Mercurial > gemma

annotate pkg/controllers/surveys.go @ 1572:056a86b24be2

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Made bottleneck primary key an int. Attention: This may break something!
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 12 Dec 2018 19:21:02 +0100
parents 447db2bce052
children 8f6345ad5f13
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rev   line source
1017
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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 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
812
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15 package controllers
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16
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17 import (
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18 "database/sql"
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19 "net/http"
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20
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21 "gemma.intevation.de/gemma/pkg/models"
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22 "github.com/gorilla/mux"
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23 )
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24
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25 const (
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26 listSurveysSQL = `
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27 SELECT
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28 s.bottleneck_id,
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29 s.date_info::text
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30 FROM waterway.bottlenecks b JOIN waterway.sounding_results s
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31 ON b.id = s.bottleneck_id
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32 WHERE b.objnam=$1`
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33 )
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34
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35 func listSurveys(
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36 _ interface{},
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37 req *http.Request,
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38 db *sql.Conn,
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39 ) (jr JSONResult, err error) {
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40
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41 bottleneckName := mux.Vars(req)["bottleneck"]
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42
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43 var rows *sql.Rows
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44
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45 rows, err = db.QueryContext(req.Context(), listSurveysSQL, bottleneckName)
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46 if err != nil {
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47 return
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48 }
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49 defer rows.Close()
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50
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51 surveys := []models.Survey{}
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52
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53 for rows.Next() {
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54 var survey models.Survey
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55 if err = rows.Scan(
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56 &survey.BottleneckID,
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57 &survey.DateInfo,
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58 ); err != nil {
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59 return
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60 }
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61 surveys = append(surveys, survey)
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62 }
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63
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64 if err = rows.Err(); err != nil {
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65 return
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66 }
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67
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68 jr = JSONResult{
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69 Result: struct {
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70 Surveys []models.Survey `json:"surveys"`
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71 }{surveys},
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72 }
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73 return
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74 }