Mercurial > gemma

annotate pkg/controllers/gauges.go @ 4311:f9bb06f2dbe3

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Added stub for a shape upload stretch import. POST /api/imports/stsh
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 03 Sep 2019 13:02:09 +0200
parents 4394daeea96a
children 3b3cf2083730
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rev   line source
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0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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2 // without warranty, see README.md and license for details.
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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3 //
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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5 // License-Filename: LICENSES/AGPL-3.0.txt
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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6 //
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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7 // Copyright (C) 2019 by via donau
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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9 // Software engineering by Intevation GmbH
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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10 //
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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11 // Author(s):
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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13
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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14 package controllers
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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15
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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16 import (
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17 "context"
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18 "database/sql"
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19 "encoding/csv"
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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20 "fmt"
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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21 "log"
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22 "math"
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23 "net/http"
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24 "sort"
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25 "strconv"
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26 "strings"
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27 "time"
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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28
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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29 "github.com/gorilla/mux"
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30 "github.com/jackc/pgx/pgtype"
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31 "gonum.org/v1/gonum/stat"
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32
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33 "gemma.intevation.de/gemma/pkg/common"
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34 "gemma.intevation.de/gemma/pkg/models"
4244
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35
4394daeea96a Moved JSONHandler into middleware package.
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36 mw "gemma.intevation.de/gemma/pkg/middleware"
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0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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37 )
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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38
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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39 const (
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40 selectPredictedObserveredSQL = `
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
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41 SELECT
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42 measure_date,
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43 date_issue,
2878
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
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44 predicted,
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
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45 water_level
3277
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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46 FROM (
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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47 SELECT
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
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48 location,
3277
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49 measure_date,
232fc90e6ee2 Disentangle gauge measurements and predictions
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50 date_issue,
232fc90e6ee2 Disentangle gauge measurements and predictions
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51 false AS predicted,
232fc90e6ee2 Disentangle gauge measurements and predictions
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52 water_level
232fc90e6ee2 Disentangle gauge measurements and predictions
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53 FROM waterway.gauge_measurements
232fc90e6ee2 Disentangle gauge measurements and predictions
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parents: 3223
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54 UNION ALL
232fc90e6ee2 Disentangle gauge measurements and predictions
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parents: 3223
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55 SELECT
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
56 location,
3277
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57 measure_date,
232fc90e6ee2 Disentangle gauge measurements and predictions
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58 date_issue,
232fc90e6ee2 Disentangle gauge measurements and predictions
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59 true AS predicted,
232fc90e6ee2 Disentangle gauge measurements and predictions
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60 water_level
232fc90e6ee2 Disentangle gauge measurements and predictions
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parents: 3223
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61 FROM waterway.gauge_predictions
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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62 ) AS gmp
2741
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63 WHERE
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
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64 location = (
2763
a06d11d1f0b3 Fixed gauge selection in Nash Sutcliffe calculation.
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parents: 2762
diff changeset
65 $1::char(2),
a06d11d1f0b3 Fixed gauge selection in Nash Sutcliffe calculation.
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parents: 2762
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66 $2::char(3),
a06d11d1f0b3 Fixed gauge selection in Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2762
diff changeset
67 $3::char(5),
a06d11d1f0b3 Fixed gauge selection in Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2762
diff changeset
68 $4::char(5),
a06d11d1f0b3 Fixed gauge selection in Nash Sutcliffe calculation.
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parents: 2762
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69 $5::int
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70 ) AND
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71 measure_date BETWEEN
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fe3d5e824ee9 calculate interval boundaries for Nash Sutcliffe in right order.
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72 $6::timestamp - '72hours'::interval AND $6::timestamp
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73 ORDER BY measure_date, date_issue
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74 `
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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75 selectWaterlevelsSQL = `
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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parents:
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76 SELECT
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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77 measure_date,
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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78 water_level,
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
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79 value_min,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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diff changeset
80 value_max,
2766
1f173d1a731d Fixed broken SQL statement.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2763
diff changeset
81 predicted
3277
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
82 FROM (
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
83 SELECT
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
84 location,
3277
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
85 measure_date,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
86 date_issue,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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87 water_level,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
88 NULL AS value_min,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
89 NULL AS value_max,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
90 false AS predicted
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
91 FROM waterway.gauge_measurements
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
92 UNION ALL
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
93 SELECT
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
94 location,
3277
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
95 measure_date,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
96 date_issue,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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97 water_level,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
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98 lower(conf_interval) AS value_min,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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99 upper(conf_interval) AS value_max,
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
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100 true AS predicted
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
101 FROM waterway.gauge_predictions
232fc90e6ee2 Disentangle gauge measurements and predictions
Tom Gottfried <tom@intevation.de>
parents: 3223
diff changeset
102 ) AS gmp
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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parents:
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103 WHERE
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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104 `
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
105
2826
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
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parents: 2817
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106 selectAllWaterlevelsMeasuredRangeSQL = `
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
107 SELECT
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
108 min(measure_date),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
109 max(measure_date)
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
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110 FROM waterway.gauge_measurements
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
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111 WHERE
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
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112 location = (
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
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113 $1::char(2),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
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114 $2::char(3),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
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parents: 2783
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115 $3::char(5),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
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parents: 2783
diff changeset
116 $4::char(5),
2826
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
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parents: 2817
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117 $5::int
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
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parents: 2817
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118 )::isrs
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
119 AND staging_done
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
120 `
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
121
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
122 selectAllWaterlevelsMeasuredSQL = `
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
123 SELECT
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
124 extract(day from measure_date)::varchar || ':' ||
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
125 extract(month from measure_date)::varchar AS day_month,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
126 percentile_disc(0.25) within group (order by water_level) AS q25,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
127 percentile_disc(0.5) within group (order by water_level) AS median,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
128 percentile_disc(0.75) within group (order by water_level) AS q75,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
129 avg(water_level) AS mean,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
130 min(water_level) AS min,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
131 max(water_level) AS max
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
132 FROM waterway.gauge_measurements
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
133 WHERE
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
134 location = (
2826
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
135 $1::char(2),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
136 $2::char(3),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
137 $3::char(5),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
138 $4::char(5),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
139 $5::int
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
140 )::isrs
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
141 AND staging_done
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
142 GROUP BY extract(day from measure_date)::varchar || ':' ||
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
143 extract(month from measure_date)::varchar;
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
144 `
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
145 selectYearWaterlevelsMeasuredSQL = `
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
146 SELECT
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
147 measure_date,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
148 water_level
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
149 FROM waterway.gauge_measurements
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
150 WHERE
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
151 location = (
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
152 $1::char(2),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
153 $2::char(3),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
154 $3::char(5),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
155 $4::char(5),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
156 $5::int
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
157 )::isrs
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
158 AND staging_done
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
159 AND measure_date BETWEEN $6 AND $7
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
160 ORDER BY measure_date
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
161 `
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 )
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
164 func float64format(v float64) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
165 return strconv.FormatFloat(v, 'f', -1, 64)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
166 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
167
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
168 func nullFloat64format(v sql.NullFloat64) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
169 if v.Valid {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
170 return float64format(v.Float64)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
171 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
172 return ""
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
173 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
174
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
175 func boolFormat(b bool) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
176 if b {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
177 return "t"
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
178 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
179 return "f"
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
180 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
181
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
182 func yearWaterlevels(rw http.ResponseWriter, req *http.Request) {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
183
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
184 gauge := mux.Vars(req)["gauge"]
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
185
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
186 isrs, err := models.IsrsFromString(gauge)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
187 if err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
188 http.Error(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
189 rw, fmt.Sprintf("error: Invalid ISRS code: %v", err),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
190 http.StatusBadRequest)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
191 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
192 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
193
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
194 year, _ := strconv.Atoi(mux.Vars(req)["year"])
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
195
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
196 conn := mw.GetDBConn(req)
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
197
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
198 ctx := req.Context()
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
199
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
200 begin := time.Date(year, time.January, 1, 0, 0, 0, 0, time.UTC)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
201 end := time.Date(year+1, time.January, 1, 0, 0, 0, 0, time.UTC).Add(-time.Microsecond)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
202
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
203 log.Printf("info: begin %s\n", begin)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
204 log.Printf("info: end %s\n", end)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
205
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
206 rows, err := conn.QueryContext(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
207 ctx,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
208 selectYearWaterlevelsMeasuredSQL,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
209 isrs.CountryCode,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
210 isrs.LoCode,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
211 isrs.FairwaySection,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
212 isrs.Orc,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
213 isrs.Hectometre,
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
214 begin,
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
215 end,
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
216 )
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
217 if err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
218 http.Error(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
219 rw, fmt.Sprintf("error: %v", err),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
220 http.StatusInternalServerError)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
221 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
222 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
223 defer rows.Close()
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
224
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
225 var values []float64
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
226
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
227 lastDay, lastMonth := -1, -1
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
228
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
229 write := func() error {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
230 var err error
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
231 if len(values) > 0 {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
232 mean := stat.Mean(values, nil)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
233 _, err = fmt.Fprintf(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
234 rw, "%02d-%02d,%s\n", lastDay, lastMonth,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
235 float64format(mean))
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
236 values = values[:0]
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
237 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
238 return err
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
239 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
240
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
241 for rows.Next() {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
242 var when time.Time
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
243 var value float64
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
244 if err := rows.Scan(&when, &value); err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
245 log.Printf("error: %v", err)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
246 // Too late for an HTTP error code.
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
247 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
248 }
2807
1fa57ad05e1e Calculate the yearly waterlevel over an UTC time interval.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2806
diff changeset
249 when = when.UTC()
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
250 day, month := when.Day(), int(when.Month())
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
251 if day != lastDay || month != lastMonth {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
252 if err := write(); err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
253 log.Printf("error: %v", err)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
254 // Too late for an HTTP error code.
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
255 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
256 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
257 lastDay, lastMonth = day, month
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
258 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
259 values = append(values, value)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
260 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
261
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
262 if err := rows.Err(); err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
263 log.Printf("error: %v", err)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
264 // Too late for an HTTP error code.
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
265 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
266 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
267
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
268 if err := write(); err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
269 log.Printf("error: %v", err)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
270 // Too late for an HTTP error code.
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
271 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
272 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
273
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
274 func longtermWaterlevels(rw http.ResponseWriter, req *http.Request) {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
275
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
276 gauge := mux.Vars(req)["gauge"]
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
277
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
278 isrs, err := models.IsrsFromString(gauge)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
279 if err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
280 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
281 rw, fmt.Sprintf("error: Invalid ISRS code: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
282 http.StatusBadRequest)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
283 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
284 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
285
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
286 conn := mw.GetDBConn(req)
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
287
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
288 ctx := req.Context()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
289
2826
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
290 var begin, end pgtype.Timestamp
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
291
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
292 err = conn.QueryRowContext(
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
293 ctx,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
294 selectAllWaterlevelsMeasuredRangeSQL,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
295 isrs.CountryCode,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
296 isrs.LoCode,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
297 isrs.FairwaySection,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
298 isrs.Orc,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
299 isrs.Hectometre,
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
300 ).Scan(&begin, &end)
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
301
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
302 switch {
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
303 case err == sql.ErrNoRows || begin.Status != pgtype.Present || end.Status != pgtype.Present:
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
304 http.NotFound(rw, req)
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
305 return
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
306 case err != nil:
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
307 http.Error(
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
308 rw, fmt.Sprintf("error: %v", err),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
309 http.StatusInternalServerError)
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
310 return
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
311 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
312
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
313 rows, err := conn.QueryContext(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
314 ctx,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
315 selectAllWaterlevelsMeasuredSQL,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
316 isrs.CountryCode,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
317 isrs.LoCode,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
318 isrs.FairwaySection,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
319 isrs.Orc,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
320 isrs.Hectometre,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
321 )
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
322 if err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
323 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
324 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
325 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
326 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
327 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
328 defer rows.Close()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
329
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
330 type result struct {
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
331 day int
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
332 month int
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
333 q25 float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
334 median float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
335 q75 float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
336 mean float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
337 min float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
338 max float64
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
339 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
340
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
341 results := make([]result, 0, 366)
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
342
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
343 start := time.Now()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
344
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
345 for rows.Next() {
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
346 var r result
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
347 var dayMonth string
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
348 if err := rows.Scan(
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
349 &dayMonth,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
350 &r.q25,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
351 &r.median,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
352 &r.q75,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
353 &r.mean,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
354 &r.min,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
355 &r.max,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
356 ); err != nil {
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
357 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
358 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
359 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
360 }
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
361 parts := strings.SplitN(dayMonth, ":", 2)
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
362 r.day, _ = strconv.Atoi(parts[0])
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
363 r.month, _ = strconv.Atoi(parts[1])
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
364 results = append(results, r)
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
365 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
366
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
367 if err := rows.Err(); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
368 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
369 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
370 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
371 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
372 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
373
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
374 log.Printf("info: loading entries took %s\n", time.Since(start))
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
375
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
376 log.Printf("info: days found: %d\n", len(results))
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
377
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
378 sort.Slice(results, func(i, j int) bool {
2832
b5555005f51e cosmetics: removed superfluous casts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2826
diff changeset
379 if d := results[i].month - results[j].month; d != 0 {
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
380 return d < 0
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
381 }
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
382 return results[i].day < results[j].day
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
383 })
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
384
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
385 rw.Header().Add("Content-Type", "text/csv")
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
386
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
387 out := csv.NewWriter(rw)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
388
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
389 record := []string{
2826
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
390 fmt.Sprintf("#interval: %d-%d",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
391 begin.Time.UTC().Year(),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
392 end.Time.UTC().Year()),
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
393 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
394 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
395 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
396 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
397 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
398 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
399 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
400
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
401 if err := out.Write(record); err != nil {
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
402 log.Printf("error: %v\n", err)
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
403 // Too late for an HTTP error code.
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
404 return
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
405 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
406
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
407 record = []string{
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
408 "#date",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
409 "#min",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
410 "#max",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
411 "#mean",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
412 "#median",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
413 "#q25",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
414 "#q75",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
415 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
416
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
417 if err := out.Write(record); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
418 log.Printf("error: %v\n", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
419 // Too late for an HTTP error code.
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
420 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
421 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
422
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
423 for i := range results {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
424 r := &results[i]
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
425 record[0] = fmt.Sprintf("%02d-%02d", r.day, r.month)
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
426 record[1] = float64format(r.min)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
427 record[2] = float64format(r.max)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
428 record[3] = float64format(r.mean)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
429 record[4] = float64format(r.median)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
430 record[5] = float64format(r.q25)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
431 record[6] = float64format(r.q75)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
432 if err := out.Write(record); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
433 log.Printf("error: %v\n", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
434 // Too late for an HTTP error code.
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
435 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
436 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
437 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
438
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
439 out.Flush()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
440 if err := out.Error(); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
441 log.Printf("error: %v", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
442 // Too late for an HTTP error code.
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
443 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
444 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
445 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
446
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
447 func parseISRS(code string) (*models.Isrs, error) {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
448 isrs, err := models.IsrsFromString(code)
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
449 if err != nil {
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
450 return nil, mw.JSONError{
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
451 Code: http.StatusBadRequest,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
452 Message: fmt.Sprintf("error: Invalid ISRS code: %v", err),
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
453 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
454 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
455 return isrs, nil
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
456 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
457
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
458 type observedPredictedValues struct {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
459 when time.Time
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
460 observed float64
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
461 predicted common.TimedValues
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
462 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
463
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
464 func loadNashSutcliffeData(
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
465 ctx context.Context,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
466 conn *sql.Conn,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
467 gauge *models.Isrs,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
468 when time.Time,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
469 ) ([]observedPredictedValues, error) {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
470
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
471 var rows *sql.Rows
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
472 var err error
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
473 if rows, err = conn.QueryContext(
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
474 ctx,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
475 selectPredictedObserveredSQL,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
476 gauge.CountryCode,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
477 gauge.LoCode,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
478 gauge.FairwaySection,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
479 gauge.Orc,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
480 gauge.Hectometre,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
481 when,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
482 ); err != nil {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
483 return nil, err
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
484 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
485 defer rows.Close()
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
486
3101
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
487 acceptedDeltas := []time.Duration{
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
488 -time.Hour * 24,
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
489 -time.Hour * 48,
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
490 -time.Hour * 72,
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
491 }
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
492
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
493 isAccepted := func(observed, predicted time.Time) bool {
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
494 for _, delta := range acceptedDeltas {
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
495 t := observed.Add(delta)
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
496 d := predicted.Sub(t)
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
497 if -10*time.Millisecond < d && d < 10*time.Millisecond {
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
498 return true
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
499 }
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
500 }
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
501 return false
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
502 }
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
503
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
504 var (
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
505 hasCurrent bool
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
506 current observedPredictedValues
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
507 values []observedPredictedValues
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
508 )
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
509
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
510 for rows.Next() {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
511 var (
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
512 measureDate time.Time
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
513 issueDate time.Time
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
514 predicted bool
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
515 value float64
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
516 )
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
517 if err := rows.Scan(
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
518 &measureDate,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
519 &issueDate,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
520 &predicted,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
521 &value,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
522 ); err != nil {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
523 return nil, err
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
524 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
525 measureDate = measureDate.UTC()
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
526 issueDate = issueDate.UTC()
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
527
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
528 if hasCurrent {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
529 if !current.when.Equal(measureDate) {
3097
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
530 if !math.IsNaN(current.observed) && len(current.predicted) > 0 {
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
531 values = append(values, current)
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
532 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
533 current = observedPredictedValues{
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
534 observed: math.NaN(),
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
535 when: measureDate,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
536 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
537 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
538 } else {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
539 hasCurrent = true
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
540 current = observedPredictedValues{
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
541 observed: math.NaN(),
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
542 when: measureDate,
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
543 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
544 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
545
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
546 if predicted {
3101
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
547 if isAccepted(measureDate, issueDate) {
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
548 current.predicted = append(
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
549 current.predicted,
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
550 common.TimedValue{When: issueDate, Value: value},
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
551 )
41ed69dbf9bb Nash Sutcliffe: Optimization: When append predicted values only accept predictions where the issue date is 24/48/72h in the past of the measure date.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3099
diff changeset
552 }
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
553 } else {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
554 current.observed = value
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
555 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
556 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
557
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
558 if err := rows.Err(); err != nil {
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
559 return nil, err
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
560 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
561
3097
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
562 if hasCurrent && !math.IsNaN(current.observed) && len(current.predicted) > 0 {
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
563 values = append(values, current)
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
564 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
565
3097
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
566 // for i := range values {
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
567 // log.Printf("%v %f %d\n", values[i].when, values[i].observed, len(values[i].predicted))
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
568 // if len(values[i].predicted) > 0 {
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
569 // for j := range values[i].predicted {
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
570 // log.Printf("\t%v %f\n", values[i].predicted[j].When, values[i].predicted[j].Value)
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
571 // }
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
572 // }
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
573 // }
e6ba32b060df Nash Sutcliffe: Treat last prediction date as valid afterwards. Small optimizsations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3092
diff changeset
574
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
575 return values, nil
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
576 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
577
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
578 func nashSutcliffe(req *http.Request) (jr mw.JSONResult, err error) {
4243
d776110b4db0 Made the de-serialized input of the JSON handler accessible via the context of the request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4242
diff changeset
579
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
580 gauge := mux.Vars(req)["gauge"]
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
581
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
582 var isrs *models.Isrs
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
583 if isrs, err = parseISRS(gauge); err != nil {
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
584 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
585 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
586
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
587 var when time.Time
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
588 if w := req.FormValue("when"); w != "" {
4078
80bdcd137a1d Parse timezones from time inputs and send timezones in results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
589 if when, err = common.ParseTime(w); err != nil {
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
590 err = mw.JSONError{
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
591 Code: http.StatusBadRequest,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
592 Message: fmt.Sprintf("error: wrong time format: %v", err),
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
593 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
594 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
595 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
596 } else {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
597 when = time.Now()
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
598 }
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
599 when = when.UTC()
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
600
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
601 ctx := req.Context()
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
602
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
603 var values []observedPredictedValues
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
604
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
605 if values, err = loadNashSutcliffeData(ctx, mw.JSONConn(req), isrs, when); err != nil {
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
606 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
607 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
608
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
609 log.Printf("info: found %d value(s) for Nash Sutcliffe.\n", len(values))
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
610
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
611 type coeff struct {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
612 Value float64 `json:"value"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
613 Samples int `json:"samples"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
614 Hours int `json:"hours"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
615 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
616
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
617 type coeffs struct {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
618 When models.ImportTime `json:"when"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
619 Coeffs []coeff `json:"coeffs"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
620 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
621
3091
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
622 var predicted, observed []float64
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
623
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
624 cs := make([]coeff, 3)
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
625 for i := range cs {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
626 cs[i].Hours = (i + 1) * 24
3092
7dc9660df743 Fixed c&p sign error in Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3091
diff changeset
627 delta := -time.Duration(cs[i].Hours) * time.Hour
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
628
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
629 for j := range values {
3091
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
630 when := values[j].when.Add(delta)
3099
f516ac26f4db "Sharp" match for predicted and measured values in nash sutcliffe.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3097
diff changeset
631 if p, ok := values[j].predicted.Find(when); ok {
3091
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
632 predicted = append(predicted, p)
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
633 observed = append(observed, values[j].observed)
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
634 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
635 }
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
636
4087
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
637 cs[i].Value = sanitizeFloat64(common.NashSutcliffe(predicted, observed))
3091
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
638 cs[i].Samples = len(predicted)
3088
09d1ffce3d00 Reworked Nash-Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2913
diff changeset
639
3091
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
640 predicted = predicted[:0]
cec9d4af5f03 Simplified and fixed Nash Sutcliffe calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3090
diff changeset
641 observed = observed[:0]
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
642 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
643
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
644 jr = mw.JSONResult{
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
645 Result: &coeffs{
3089
813309225e35 Made 'go vet' happy again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3088
diff changeset
646 When: models.ImportTime{Time: when},
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
647 Coeffs: cs,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
648 },
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
649 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
650 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
651 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
652
4087
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
653 func sanitizeFloat64(x float64) float64 {
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
654 switch {
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
655 case math.IsNaN(x):
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
656 return 0
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
657 case math.IsInf(x, +1):
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
658 return math.MaxFloat64
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
659 case math.IsInf(x, -1):
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
660 return -math.MaxFloat64
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
661 }
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
662 return x
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
663 }
1562a5fb36dc Handle Nash-Sutcliff more tolerant for NaN/Inf values.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
664
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
665 func waterlevels(rw http.ResponseWriter, req *http.Request) {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
666 gauge := mux.Vars(req)["gauge"]
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
667
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
668 isrs, err := models.IsrsFromString(gauge)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
669 if err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
670 http.Error(
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
671 rw, fmt.Sprintf("error: Invalid ISRS code: %v", err),
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
672 http.StatusBadRequest)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
673 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
674 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
675
3725
18777f6df3ef Partially fix waterlevel selection for gauge_measurements(_predictions)
Raimund Renkert <raimund.renkert@intevation.de>
parents: 3302
diff changeset
676 // TODO: FIXME The filter is not correct for predictions!?
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
677 filters := filterAnd{
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
678 buildFilterTerm(
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
679 "location = ($%d::char(2), $%d::char(3), $%d::char(5), $%d::char(5), $%d::int)",
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
680 isrs.CountryCode,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
681 isrs.LoCode,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
682 isrs.FairwaySection,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
683 isrs.Orc,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
684 isrs.Hectometre,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
685 ),
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
686 &filterOr{
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
687 &filterNot{&filterTerm{format: "predicted"}},
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
688 buildFilterTerm(
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
689 `date_issue = (
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
690 SELECT max(date_issue)
3725
18777f6df3ef Partially fix waterlevel selection for gauge_measurements(_predictions)
Raimund Renkert <raimund.renkert@intevation.de>
parents: 3302
diff changeset
691 FROM waterway.gauge_predictions gm
3302
ec6163c6687d 'Historicise' gauges on import
Tom Gottfried <tom@intevation.de>
parents: 3277
diff changeset
692 WHERE location = ($%d::char(2), $%d::char(3), $%d::char(5), $%d::char(5), $%d::int))`,
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
693 isrs.CountryCode,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
694 isrs.LoCode,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
695 isrs.FairwaySection,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
696 isrs.Orc,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
697 isrs.Hectometre,
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
698 ),
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
699 },
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
700 }
2858
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
701
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
702 if from := req.FormValue("from"); from != "" {
4078
80bdcd137a1d Parse timezones from time inputs and send timezones in results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
703 fromTime, err := common.ParseTime(from)
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
704 if err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
705 http.Error(
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
706 rw, fmt.Sprintf("error: Invalid from time: %v", err),
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
707 http.StatusBadRequest)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
708 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
709 }
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
710 filters = append(filters, buildFilterTerm("measure_date >= $%d", fromTime))
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
711 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
712
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
713 if to := req.FormValue("to"); to != "" {
4078
80bdcd137a1d Parse timezones from time inputs and send timezones in results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
714 toTime, err := common.ParseTime(to)
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
715 if err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
716 http.Error(
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
717 rw, fmt.Sprintf("error: Invalid from time: %v", err),
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
718 http.StatusBadRequest)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
719 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
720 }
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
721 filters = append(filters, buildFilterTerm("measure_date <= $%d", toTime))
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
722 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
723
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
724 var stmt strings.Builder
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
725 var args []interface{}
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
726
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
727 stmt.WriteString(selectWaterlevelsSQL)
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
728 filters.serialize(&stmt, &args)
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
729
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
730 conn := mw.GetDBConn(req)
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
731
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
732 ctx := req.Context()
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
733
3194
eeff2cc4ff9d controllers: re-factored the SQL filter to a tree like structure to be of more general use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3190
diff changeset
734 rows, err := conn.QueryContext(ctx, stmt.String(), args...)
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
735 if err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
736 http.Error(
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
737 rw, fmt.Sprintf("error: %v", err),
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
738 http.StatusInternalServerError)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
739 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
740 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
741 defer rows.Close()
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
742
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
743 rw.Header().Add("Content-Type", "text/csv")
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
744
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
745 out := csv.NewWriter(rw)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
746
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
747 record := []string{
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
748 "#date",
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
749 "#water_level",
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
750 "#value_min",
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
751 "#value_max",
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
752 "#predicted",
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
753 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
754
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
755 if err := out.Write(record); err != nil {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
756 log.Printf("error: %v", err)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
757 // Too late for an HTTP error code.
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
758 return
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
759 }
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
760
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
761 for rows.Next() {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
762 var (
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
763 measureDate time.Time
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
764 waterlevel float64
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
765 valueMin sql.NullFloat64
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
766 valueMax sql.NullFloat64
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
767 predicted bool
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
768 )
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
769 if err := rows.Scan(
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
770 &measureDate,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
771 &waterlevel,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
772 &valueMin,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
773 &valueMax,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
774 &predicted,
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
775 ); err != nil {
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
776 log.Printf("error: %v\n", err)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
777 // Too late for an HTTP error code.
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
778 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
779 }
4078
80bdcd137a1d Parse timezones from time inputs and send timezones in results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3725
diff changeset
780 record[0] = measureDate.Format(common.TimeFormat)
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
781 record[1] = float64format(waterlevel)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
782 record[2] = nullFloat64format(valueMin)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
783 record[3] = nullFloat64format(valueMax)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
784 record[4] = boolFormat(predicted)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2766
diff changeset
785
2694
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
786 if err := out.Write(record); err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
787 log.Printf("error: %v", err)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
788 // Too late for an HTTP error code.
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
789 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
790 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
791 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
792
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
793 if err := rows.Err(); err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
794 log.Printf("error: %v", err)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
795 // Too late for an HTTP error code.
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
796 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
797 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
798
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
799 out.Flush()
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
800 if err := out.Error(); err != nil {
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
801 log.Printf("error: %v", err)
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
802 // Too late for an HTTP error code.
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
803 return
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
804 }
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
805 }