Mercurial > gemma

annotate pkg/models/sr.go @ 1644:eadf84bb0e98

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New config variable 'external-url'. Deep inside the import queue we don't known the URL we find the server at. We don't have any HTTP request we can derive this information wrong so it needs to be configured. Defaults to http://${web-host}:${web-port} .
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 20 Dec 2018 14:39:23 +0100
parents 056a86b24be2
children 6a67cd819e93
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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 L. Teichmann <sascha.teichmann@intevation.de>
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13 // * Bernhard E. Reiter <bernhard.reiter@intevation.de>
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14
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15 package models
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16
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17 import (
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18 "context"
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19 "database/sql"
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20 "encoding/json"
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21 "errors"
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22 "fmt"
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23 "io"
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24 "time"
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25 )
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26
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27 const SoundingResultDateFormat = "2006-01-02"
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28
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29 type (
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30 SoundingResultDate struct{ time.Time }
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31
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32 SoundingResultMeta struct {
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33 Date SoundingResultDate `json:"date"`
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34 Bottleneck string `json:"bottleneck"`
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35 EPSG uint `json:"epsg"`
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36 DepthReference string `json:"depth-reference"`
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37 }
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38 )
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39
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40 const (
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41 checkDepthReferenceSQL = `
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42 SELECT true FROM depth_references WHERE depth_reference = $1`
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43
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44 checkBottleneckSQL = `
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45 SELECT true FROM waterway.bottlenecks WHERE objnam = $1`
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47 checkBottleneckDateUniqueSQL = `
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48 SELECT true FROM waterway.sounding_results sr JOIN
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49 waterway.bottlenecks bn ON sr.bottleneck_id = bn.id
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50 WHERE bn.objnam = $1 AND sr.date_info = $2`
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51 )
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52
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53 func (srd SoundingResultDate) MarshalJSON() ([]byte, error) {
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54 return json.Marshal(srd.Format(SoundingResultDateFormat))
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55 }
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56
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57 func (srd *SoundingResultDate) UnmarshalJSON(data []byte) error {
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58 var s string
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59 if err := json.Unmarshal(data, &s); err != nil {
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60 return err
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61 }
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62 d, err := time.Parse(SoundingResultDateFormat, s)
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63 if err == nil {
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64 *srd = SoundingResultDate{d}
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65 }
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66 return err
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67 }
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68
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69 func (m *SoundingResultMeta) Decode(r io.Reader) error {
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70 err := json.NewDecoder(r).Decode(m)
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71 if err == nil && m.EPSG == 0 {
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72 m.EPSG = WGS84
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73 }
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74 return err
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75 }
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76
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77 func (m *SoundingResultMeta) Validate(ctx context.Context, conn *sql.Conn) []error {
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78
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79 var errs []error
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80
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81 var b bool
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82 err := conn.QueryRowContext(ctx,
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83 checkDepthReferenceSQL,
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84 m.DepthReference).Scan(&b)
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85 switch {
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86 case err == sql.ErrNoRows:
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87 errs = append(errs, fmt.Errorf("unknown depth reference '%s'", m.DepthReference))
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88 case err != nil:
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89 errs = append(errs, err)
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90 case !b:
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91 errs = append(errs, errors.New("unexpected depth reference"))
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92 }
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93
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94 err = conn.QueryRowContext(ctx,
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95 checkBottleneckSQL,
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96 m.Bottleneck).Scan(&b)
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97 switch {
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98 case err == sql.ErrNoRows:
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99 errs = append(errs, fmt.Errorf("unknown bottleneck '%s'", m.Bottleneck))
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100 case err != nil:
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101 errs = append(errs, err)
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102 case !b:
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103 errs = append(errs, errors.New("unexpected bottleneck"))
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104 }
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105
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106 err = conn.QueryRowContext(ctx,
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107 checkBottleneckDateUniqueSQL,
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108 m.Bottleneck, m.Date.Time).Scan(&b)
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109 switch {
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110 case err == sql.ErrNoRows: // good! -> unique.
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111 case err != nil:
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112 errs = append(errs, err)
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113 case b:
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114 errs = append(errs,
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115 errors.New("sounding result for this date already exists"))
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116 }
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117
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118 return errs
bc4b642c8d04 Started with an upload sounding result to temp upload area.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119 }