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annotate pkg/controllers/surveys.go @ 812:98a7776100fb

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Added end point lo list available surveys for a given bottleneck.
author Sascha Wilde <wilde@intevation.de>
date Thu, 27 Sep 2018 17:25:03 +0200
parents
children a5452a001b46
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812
98a7776100fb Added end point lo list available surveys for a given bottleneck.
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1 package controllers
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2
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3 import (
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4 "database/sql"
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5 "net/http"
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6
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7 "gemma.intevation.de/gemma/pkg/models"
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8 "github.com/gorilla/mux"
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9 )
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10
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11 const (
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12 listSurveysSQL = `SELECT s.bottleneck_id,
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13 s.date_info::text
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14 FROM waterway.bottlenecks b, waterway.sounding_results s
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15 WHERE b.objnam=$1 AND s.bottleneck_id = b.bottleneck_id;`
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16 )
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17
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18 func listSurveys(
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19 _ interface{},
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20 req *http.Request,
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21 db *sql.Conn,
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22 ) (jr JSONResult, err error) {
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23
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24 bottleneckName := mux.Vars(req)["bottleneck"]
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25
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26 var rows *sql.Rows
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27
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28 rows, err = db.QueryContext(req.Context(), listSurveysSQL, bottleneckName)
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29 if err != nil {
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30 return
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31 }
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32 defer rows.Close()
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33
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34 surveys := []models.Survey{}
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35
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36 for rows.Next() {
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37 var survey models.Survey
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38 if err = rows.Scan(
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39 &survey.BottleneckId,
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40 &survey.DateInfo,
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41 ); err != nil {
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42 return
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43 }
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44 surveys = append(surveys, survey)
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45 }
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46
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47 jr = JSONResult{
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48 Result: struct {
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49 Surveys []models.Survey `json:"surveys"`
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50 }{surveys},
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51 }
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52 return
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53 }