Mercurial > gemma

annotate pkg/controllers/surveys.go @ 2549:9bf6b767a56a

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client: refactored and improved splitscreen for diagrams To make different diagrams possible, the splitscreen view needed to be decoupled from the cross profiles. Also the style has changed to make it more consistent with the rest of the app. The standard box header is now used and there are collapse and expand animations.
author Markus Kottlaender <markus@intevation.de>
date Fri, 08 Mar 2019 08:50:47 +0100
parents 8a8680e70d2e
children ec6163c6687d
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rev   line source
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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) 2018, 2019 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha Wilde <sascha.wilde@intevation.de>
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13 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 // * Bernhard Reiter <bernhard.reiter@intevation.de>
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15
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16 package controllers
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17
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18 import (
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19 "database/sql"
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20 "net/http"
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21
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22 "gemma.intevation.de/gemma/pkg/models"
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23 "github.com/gorilla/mux"
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24 )
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25
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26 const (
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27 listSurveysSQL = `
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28 SELECT
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29 s.bottleneck_id,
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30 s.date_info::text,
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31 s.depth_reference,
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32 bg.objname AS gauge_objname,
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33 r.value AS waterlevel_value
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34 FROM
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35 (
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36 ( SELECT * FROM waterway.bottlenecks AS b, waterway.gauges AS g
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37 WHERE b.fk_g_fid = g.location
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38 ) AS bg
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39 JOIN waterway.sounding_results AS s
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40 ON bg.id = s.bottleneck_id
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41 )
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42 LEFT JOIN waterway.gauges_reference_water_levels AS r
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43 ON s.depth_reference = r.depth_reference AND bg.location = r.gauge_id
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44 WHERE bg.objnam=$1`
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45 )
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46
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47 func listSurveys(
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48 _ interface{},
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49 req *http.Request,
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50 db *sql.Conn,
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51 ) (jr JSONResult, err error) {
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52
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53 bottleneckName := mux.Vars(req)["bottleneck"]
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54
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55 var rows *sql.Rows
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56
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57 rows, err = db.QueryContext(req.Context(), listSurveysSQL, bottleneckName)
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58 if err != nil {
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59 return
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60 }
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61 defer rows.Close()
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62
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63 surveys := []*models.Survey{}
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64
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65 // as we do not use the values here, we could simply the code here
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66 // to work without an explicit mdels/surverys.go
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67 // (like done in controllers/search.go)
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68 for rows.Next() {
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69 var survey models.Survey
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70 var level sql.NullInt64
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71 if err = rows.Scan(
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72 &survey.BottleneckID,
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73 &survey.DateInfo,
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74 &survey.DepthReference,
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75 &survey.ReferenceGauge,
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76 &level,
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77 ); err != nil {
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78 return
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79 }
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80 if level.Valid {
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81 survey.WaterLevelValue = &level.Int64
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82 }
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83 surveys = append(surveys, &survey)
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84 }
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85
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86 if err = rows.Err(); err != nil {
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87 return
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88 }
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89
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90 jr = JSONResult{
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91 Result: struct {
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92 Surveys []*models.Survey `json:"surveys"`
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93 }{surveys},
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94 }
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95 return
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96 }