Mercurial > gemma

annotate pkg/controllers/search.go @ 827:f3adc0f3a20a

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Use templating to make somewhat more interesting test notification mails.
author Sascha Wilde <wilde@intevation.de>
date Thu, 27 Sep 2018 23:24:40 +0200
parents 5616c6bfb186
children e03fab882b47
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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 "regexp"
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7 "strconv"
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8 "strings"
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9
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10 "gemma.intevation.de/gemma/pkg/models"
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11 )
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12
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13 const (
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14 searchHectometreSQL = `SELECT COALESCE(json_agg(r),'[]')
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15 FROM (SELECT (location_code).hectometre || ' rhm' AS name,
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16 ST_AsGeoJSON(geom)::json AS geom
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17 FROM waterway.distance_marks
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18 WHERE (location_code).hectometre = $1) r`
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19 searchBottleneckSQL = `SELECT COALESCE(json_agg(r),'[]')
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20 FROM (SELECT objnam AS name,
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21 ST_AsGeoJSON(ST_Centroid(area))::json AS geom
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22 FROM waterway.bottlenecks
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23 WHERE objnam ILIKE $1) r`
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24 )
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25
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26 var rkmRegex = regexp.MustCompile(
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27 "^[[:space:]]*([0-9]+)([,.]([0-9]))?[[:space:]]*$",
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28 )
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29
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30 func searchFeature(
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31 input interface{},
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32 req *http.Request,
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33 db *sql.Conn,
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34 ) (jr JSONResult, err error) {
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35
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36 s := input.(*models.SearchRequest)
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37
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38 if len(s.SearchString) == 0 {
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39 err = JSONError{http.StatusBadRequest,
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40 "error: empty search string"}
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41 return
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42 }
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43
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44 var result string
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45
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46 m := rkmRegex.FindStringSubmatch(s.SearchString)
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47 if len(m) != 0 {
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48 // Handle search for river kilometre:
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49 var hectometre int
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50 if hectometre, err = strconv.Atoi(m[1]); err != nil {
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51 return
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52 }
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53
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54 hectometre *= 10
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55 if m[3] != "" {
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56 var h int
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57 if h, err = strconv.Atoi(m[3]); err != nil {
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58 return
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59 }
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60 hectometre += h
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61 }
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62
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63 err = db.QueryRowContext(
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64 req.Context(),
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65 searchHectometreSQL,
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66 hectometre,
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67 ).Scan(&result)
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68 } else {
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69 // Hande search for bottlencks:
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70 err = db.QueryRowContext(
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71 req.Context(),
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72 searchBottleneckSQL,
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73 "%"+s.SearchString+"%",
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74 ).Scan(&result)
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75 }
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76
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77 if err != nil {
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78 return
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79 }
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80
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81 jr.Result = strings.NewReader(result)
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82
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83 return
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84 }