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annotate pkg/controllers/gauges.go @ 2913:cf6f595af2cb

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Fixed SQL statement for nash sutcliffe calculation.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 03 Apr 2019 11:30:24 +0200
parents fe3d5e824ee9
children 09d1ffce3d00
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2019 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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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
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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 "database/sql"
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18 "encoding/csv"
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19 "fmt"
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20 "log"
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21 "math"
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22 "net/http"
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23 "sort"
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24 "strconv"
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25 "strings"
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26 "time"
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27
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28 "github.com/gorilla/mux"
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29 "github.com/jackc/pgx/pgtype"
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30 "gonum.org/v1/gonum/stat"
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31
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32 "gemma.intevation.de/gemma/pkg/common"
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33 "gemma.intevation.de/gemma/pkg/middleware"
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34 "gemma.intevation.de/gemma/pkg/models"
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35 )
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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36
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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37 const (
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38 selectPredictedObserveredSQL = `
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39 SELECT
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40 measure_date,
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41 predicted,
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42 water_level
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43 FROM waterway.gauge_measurements
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44 WHERE
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45 fk_gauge_id = (
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46 $1::char(2),
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47 $2::char(3),
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48 $3::char(5),
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49 $4::char(5),
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50 $5::int
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51 ) AND
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52 measure_date BETWEEN
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53 $6::timestamp - '72hours'::interval AND $6::timestamp
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54 ORDER BY measure_date, date_issue
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55 `
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56 selectWaterlevelsSQL = `
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57 SELECT
0d7a4fdb9e12 Added GET /api/data/waterlevels/{gauge isrs}?from={time_a}&to={time_b} to fetch waterlevels of gauge.
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58 measure_date,
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59 water_level,
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60 value_min,
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61 value_max,
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62 predicted
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63 FROM waterway.gauge_measurements
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64 WHERE
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65 `
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66
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67 selectAllWaterlevelsMeasuredRangeSQL = `
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68 SELECT
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69 min(measure_date),
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70 max(measure_date)
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71 FROM waterway.gauge_measurements WHERE
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72 fk_gauge_id = (
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73 $1::char(2),
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74 $2::char(3),
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75 $3::char(5),
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76 $4::char(5),
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77 $5::int
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78 )::isrs
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79 AND NOT predicted
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80 AND staging_done
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81 `
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82
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83 selectAllWaterlevelsMeasuredSQL = `
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84 SELECT
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85 extract(day from measure_date)::varchar || ':' ||
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86 extract(month from measure_date)::varchar AS day_month,
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87 percentile_disc(0.25) within group (order by water_level) AS q25,
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88 percentile_disc(0.5) within group (order by water_level) AS median,
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89 percentile_disc(0.75) within group (order by water_level) AS q75,
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90 avg(water_level) AS mean,
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91 min(water_level) AS min,
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92 max(water_level) AS max
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93 FROM waterway.gauge_measurements WHERE
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94 fk_gauge_id = (
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95 $1::char(2),
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96 $2::char(3),
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97 $3::char(5),
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98 $4::char(5),
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99 $5::int
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100 )::isrs
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101 AND NOT predicted
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102 AND staging_done
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103 GROUP BY extract(day from measure_date)::varchar || ':' ||
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104 extract(month from measure_date)::varchar;
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105 `
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diff changeset
106 selectYearWaterlevelsMeasuredSQL = `
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
107 SELECT
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
108 measure_date,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
109 water_level
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
110 FROM waterway.gauge_measurements
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
111 WHERE
2817
ff58440ce809 Added staging_done to the longterm waterlevels selections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2814
diff changeset
112 NOT predicted AND
ff58440ce809 Added staging_done to the longterm waterlevels selections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2814
diff changeset
113 staging_done AND
ff58440ce809 Added staging_done to the longterm waterlevels selections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2814
diff changeset
114 fk_gauge_id = (
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
115 $1::char(2),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
116 $2::char(3),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
117 $3::char(5),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
118 $4::char(5),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
119 $5::int
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
120 )
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
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parents: 2803
diff changeset
121 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
122 ORDER BY measure_date
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
123 `
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
124 )
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
125
2783
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
126 func float64format(v float64) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
127 return strconv.FormatFloat(v, 'f', -1, 64)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
128 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
129
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
130 func nullFloat64format(v sql.NullFloat64) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
131 if v.Valid {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
132 return float64format(v.Float64)
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
133 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
134 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
135 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
136
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
137 func boolFormat(b bool) string {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
138 if b {
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
139 return "t"
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
140 }
2806821cfd63 Added min and max values to CSV output of /api/data/waterlevels/{gauge} .
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parents: 2766
diff changeset
141 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
142 }
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
143
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
144 func yearWaterlevels(rw http.ResponseWriter, req *http.Request) {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
145
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
146 gauge := mux.Vars(req)["gauge"]
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
147
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
148 isrs, err := models.IsrsFromString(gauge)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
149 if err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
150 http.Error(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
151 rw, fmt.Sprintf("error: Invalid ISRS code: %v", err),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
152 http.StatusBadRequest)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
153 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
154 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
155
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
156 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
157
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
158 conn := middleware.GetDBConn(req)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
159
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
160 ctx := req.Context()
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
161
2806
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
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parents: 2803
diff changeset
162 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.
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parents: 2803
diff changeset
163 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.
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parents: 2803
diff changeset
164
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
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parents: 2803
diff changeset
165 log.Printf("info: begin %s\n", begin)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
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parents: 2803
diff changeset
166 log.Printf("info: end %s\n", end)
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
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parents: 2803
diff changeset
167
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
168 rows, err := conn.QueryContext(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
169 ctx,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
170 selectYearWaterlevelsMeasuredSQL,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
171 isrs.CountryCode,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
172 isrs.LoCode,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
173 isrs.FairwaySection,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
174 isrs.Orc,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
175 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
176 begin,
c6374c520228 Use between filter to speed up SQL for fetching yearly waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2803
diff changeset
177 end,
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
178 )
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
179 if err != nil {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
180 http.Error(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
181 rw, fmt.Sprintf("error: %v", err),
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
182 http.StatusInternalServerError)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
183 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
184 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
185 defer rows.Close()
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
186
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
187 var values []float64
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
188
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
189 lastDay, lastMonth := -1, -1
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
190
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
191 write := func() error {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
192 var err error
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
193 if len(values) > 0 {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
194 mean := stat.Mean(values, nil)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
195 _, err = fmt.Fprintf(
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
196 rw, "%02d-%02d,%s\n", lastDay, lastMonth,
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
197 float64format(mean))
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
198 values = values[:0]
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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parents: 2800
diff changeset
199 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
200 return err
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
201 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
202
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
203 for rows.Next() {
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
204 var when time.Time
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
205 var value float64
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
206 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
207 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
208 // 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
209 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
210 }
2807
1fa57ad05e1e Calculate the yearly waterlevel over an UTC time interval.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2806
diff changeset
211 when = when.UTC()
2803
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
212 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
213 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
214 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
215 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
216 // 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
217 return
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
218 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
219 lastDay, lastMonth = day, month
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
220 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
221 values = append(values, value)
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
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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
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
224 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
225 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
226 // 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
227 return
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
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
230 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
231 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
232 // 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
233 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
234 }
46a9a7c1281f Added GET /api/data/year-waterlevels/{gauge}/{year}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2800
diff changeset
235
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
236 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
237
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
238 gauge := mux.Vars(req)["gauge"]
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
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parents: 2783
diff changeset
239
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
240 isrs, err := models.IsrsFromString(gauge)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
241 if err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
242 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
243 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
244 http.StatusBadRequest)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
245 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
246 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
247
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
248 conn := middleware.GetDBConn(req)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
249
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
250 ctx := req.Context()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
251
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
252 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
253
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
254 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
255 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
256 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
257 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
258 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
259 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
260 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
261 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
262 ).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
263
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
264 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
265 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
266 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
267 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
268 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
269 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
270 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
271 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
272 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
273 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
274
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
275 rows, err := conn.QueryContext(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
276 ctx,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
277 selectAllWaterlevelsMeasuredSQL,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
278 isrs.CountryCode,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
279 isrs.LoCode,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
280 isrs.FairwaySection,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
281 isrs.Orc,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
282 isrs.Hectometre,
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
283 )
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
284 if err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
285 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
286 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
287 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
288 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
289 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
290 defer rows.Close()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
291
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
292 type result struct {
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
293 day int
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
294 month int
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
295 q25 float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
296 median float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
297 q75 float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
298 mean float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
299 min float64
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
300 max float64
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
301 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
302
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
303 results := make([]result, 0, 366)
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
304
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
305 start := time.Now()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
306
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
307 for rows.Next() {
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
308 var r result
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
309 var dayMonth string
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
310 if err := rows.Scan(
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
311 &dayMonth,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
312 &r.q25,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
313 &r.median,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
314 &r.q75,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
315 &r.mean,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
316 &r.min,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
317 &r.max,
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
318 ); err != nil {
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
319 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
320 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
321 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
322 }
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
323 parts := strings.SplitN(dayMonth, ":", 2)
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
324 r.day, _ = strconv.Atoi(parts[0])
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
325 r.month, _ = strconv.Atoi(parts[1])
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
326 results = append(results, r)
2800
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
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
329 if err := rows.Err(); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
330 http.Error(
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
331 rw, fmt.Sprintf("error: %v", err),
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
332 http.StatusInternalServerError)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
333 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
334 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
335
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
336 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
337
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
338 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
339
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
340 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
341 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
342 return d < 0
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
343 }
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
344 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
345 })
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
346
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
347 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
348
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
349 out := csv.NewWriter(rw)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
350
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
351 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
352 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
353 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
354 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
355 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
356 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
357 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
358 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
359 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
360 "",
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
361 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
362
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
363 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
364 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
365 // 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
366 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
367 }
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
368
f7ae108c2838 longterm waterlevels statistics: Generate a comment line with the interval of years.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2817
diff changeset
369 record = []string{
2800
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
370 "#date",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
371 "#min",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
372 "#max",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
373 "#mean",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
374 "#median",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
375 "#q25",
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
376 "#q75",
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
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
379 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
380 log.Printf("error: %v\n", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
381 // 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
382 return
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 for i := range results {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
386 r := &results[i]
2809
216bc6394911 Optimized longterm waterlevel statistics.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2808
diff changeset
387 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
388 record[1] = float64format(r.min)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
389 record[2] = float64format(r.max)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
390 record[3] = float64format(r.mean)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
391 record[4] = float64format(r.median)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
392 record[5] = float64format(r.q25)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
393 record[6] = float64format(r.q75)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
394 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
395 log.Printf("error: %v\n", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
396 // 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
397 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
398 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
399 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
400
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
401 out.Flush()
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
402 if err := out.Error(); err != nil {
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
403 log.Printf("error: %v", err)
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
404 // 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
405 return
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
406 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
407 }
db1052bc162a Added GET /data/longterm-waterlevels/{gauge}
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2783
diff changeset
408
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
409 func nashSutcliffe(
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
410 _ interface{},
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
411 req *http.Request,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
412 conn *sql.Conn,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
413 ) (jr JSONResult, err error) {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
414 gauge := mux.Vars(req)["gauge"]
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
415
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
416 var isrs *models.Isrs
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
417 if isrs, err = models.IsrsFromString(gauge); err != nil {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
418 err = JSONError{
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
419 Code: http.StatusBadRequest,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
420 Message: fmt.Sprintf("error: Invalid ISRS code: %v", err),
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
421 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
422 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
423 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
424
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
425 var when time.Time
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
426 if w := req.FormValue("when"); w != "" {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
427 if when, err = time.Parse(models.ImportTimeFormat, w); err != nil {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
428 err = JSONError{
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
429 Code: http.StatusBadRequest,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
430 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
431 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
432 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
433 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
434 } else {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
435 when = time.Now()
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
436 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
437
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
438 ctx := req.Context()
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
439
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
440 var rows *sql.Rows
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
441 if rows, err = conn.QueryContext(
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
442 ctx,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
443 selectPredictedObserveredSQL,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
444 isrs.CountryCode,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
445 isrs.LoCode,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
446 isrs.FairwaySection,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
447 isrs.Orc,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
448 isrs.Hectometre,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
449 when,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
450 ); err != nil {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
451 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
452 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
453 defer rows.Close()
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
454
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
455 var measurements []common.NSMeasurement
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
456
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
457 invalid := common.NSMeasurement{
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
458 Predicted: math.NaN(),
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
459 Observed: math.NaN(),
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
460 }
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
461 current := invalid
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
462
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
463 for rows.Next() {
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
464 var (
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
465 when time.Time
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
466 predicted bool
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
467 value float64
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
468 )
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
469 if err = rows.Scan(
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
470 &when,
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
471 &predicted,
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
472 &value,
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
473 ); err != nil {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
474 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
475 }
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
476 if !when.Equal(current.When) {
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
477 if current.Valid() {
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
478 measurements = append(measurements, current)
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
479 }
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
480 current = invalid
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
481 }
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
482 if predicted {
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
483 current.Predicted = value
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
484 } else {
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
485 current.Observed = value
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
486 }
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
487 }
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
488
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
489 if err = rows.Err(); err != nil {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
490 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
491 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
492
2878
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
493 if current.Valid() {
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
494 measurements = append(measurements, current)
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
495 }
4f66a3ba424b Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2861
diff changeset
496
2741
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
497 type coeff struct {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
498 Value float64 `json:"value"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
499 Samples int `json:"samples"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
500 Hours int `json:"hours"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
501 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
502
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
503 type coeffs struct {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
504 When models.ImportTime `json:"when"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
505 Coeffs []coeff `json:"coeffs"`
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
506 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
507
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
508 cs := make([]coeff, 3)
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
509 for i := range cs {
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
510 cs[i].Hours = (i + 1) * 24
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
511 cs[i].Value, cs[i].Samples = common.NashSutcliffe(
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
512 measurements,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
513 when,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
514 when.Add(time.Duration(-cs[i].Hours)*time.Hour),
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
515 )
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
516 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
517
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
518 jr = JSONResult{
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
519 Result: &coeffs{
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
520 When: models.ImportTime{when},
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
521 Coeffs: cs,
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
522 },
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
523 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
524 return
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
525 }
87aed4f9b1b8 Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2694
diff changeset
526
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
527 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
528 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
529
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
530 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
531 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
532 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
533 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
534 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
535 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
536 }
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
537
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
538 var fb filterBuilder
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
539 fb.stmt.WriteString(selectWaterlevelsSQL)
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
540
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
541 fb.cond(
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
542 " fk_gauge_id = ($%d::char(2), $%d::char(3), $%d::char(5), $%d::char(5), $%d::int) ",
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
543 isrs.CountryCode,
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
544 isrs.LoCode,
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
545 isrs.FairwaySection,
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
546 isrs.Orc,
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
547 isrs.Hectometre,
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
548 )
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
549
2858
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
550 fb.cond(
2861
e6dc09896a4d Fixed selection of predicted for waterlevel endpoint.
Sascha Wilde <wilde@intevation.de>
parents: 2858
diff changeset
551 `(NOT predicted
2858
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
552 OR (
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
553 date_issue = (
2861
e6dc09896a4d Fixed selection of predicted for waterlevel endpoint.
Sascha Wilde <wilde@intevation.de>
parents: 2858
diff changeset
554 SELECT max(date_issue) FROM waterway.gauge_measurements
2858
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
555 WHERE fk_gauge_id = ($%d::char(2), $%d::char(3), $%d::char(5), $%d::char(5), $%d::int)
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
556 )
2861
e6dc09896a4d Fixed selection of predicted for waterlevel endpoint.
Sascha Wilde <wilde@intevation.de>
parents: 2858
diff changeset
557 ))`,
2858
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
558 isrs.CountryCode,
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
559 isrs.LoCode,
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
560 isrs.FairwaySection,
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
561 isrs.Orc,
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
562 isrs.Hectometre,
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
563 )
401bca8eaafb Filter predicted values for waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2832
diff changeset
564
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
565 if from := req.FormValue("from"); from != "" {
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
566 fromTime, err := time.Parse(models.ImportTimeFormat, from)
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
567 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
568 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
569 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
570 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
571 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
572 }
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
573 fb.cond("measure_date >= $%d", fromTime)
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
574 }
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
575
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
576 if to := req.FormValue("to"); to != "" {
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
577 toTime, err := time.Parse(models.ImportTimeFormat, to)
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
578 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
579 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
580 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
581 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
582 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
583 }
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
584 fb.cond("measure_date <= $%d", toTime)
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
585 }
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
586
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
587 conn := middleware.GetDBConn(req)
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
588
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
589 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
590
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
591 rows, err := conn.QueryContext(ctx, fb.stmt.String(), fb.args...)
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
592 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
593 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
594 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
595 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
596 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
597 }
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
598 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
599
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
600 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
601
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
602 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
603
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
604 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
605 "#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
606 "#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
607 "#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
608 "#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
609 "#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
610 }
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
611
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
612 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
613 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
614 // 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
615 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
616 }
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
617
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
618 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
619 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
620 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
621 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
622 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
623 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
624 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
625 )
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
626 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
627 &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
628 &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
629 &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
630 &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
631 &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
632 ); 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
633 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
634 // 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
635 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
636 }
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
637 record[0] = measureDate.Format(models.ImportTimeFormat)
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
638 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
639 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
640 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
641 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
642
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
643 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
644 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
645 // 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
646 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
647 }
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
648 }
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
649
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
650 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
651 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
652 // 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
653 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
654 }
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
655
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
656 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
657 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
658 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
659 // 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
660 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
661 }
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
662 }