annotate pkg/imports/bn.go @ 2765:41f5ac76d642

BT import: allow for rb and lb to be null. As rb_lb is optional according to drc this is the right thing to do.
author Sascha Wilde <wilde@intevation.de>
date Thu, 21 Mar 2019 18:55:52 +0100
parents 018f979f9e23
children b3c3c5b5b7c1
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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 L. Teichmann <sascha.teichmann@intevation.de>
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13 // * Tom Gottfried <tom.gottfried@intevation.de>
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14
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15 package imports
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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 "errors"
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21 "regexp"
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22 "strconv"
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23 "time"
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24
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25 "gemma.intevation.de/gemma/pkg/soap/ifbn"
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26 )
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27
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28 // Bottleneck is an import job to import
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29 // bottlenecks from an IFBN SOAP service.
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30 type Bottleneck struct {
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31 // URL is the URL of the SOAP service.
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32 URL string `json:"url"`
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33 // Tolerance used for axis snapping
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34 Tolerance float64 `json:"tolerance"`
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35 // Insecure indicates if HTTPS traffic
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36 // should validate certificates or not.
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37 Insecure bool `json:"insecure"`
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38 }
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39
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40 // BNJobKind is the import queue type identifier.
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41 const BNJobKind JobKind = "bn"
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42
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43 const (
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44 hasBottleneckSQL = `
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45 SELECT true FROM waterway.bottlenecks WHERE bottleneck_id = $1`
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46
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47 insertBottleneckSQL = `
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48 INSERT INTO waterway.bottlenecks (
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49 bottleneck_id,
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50 fk_g_fid,
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51 objnam,
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52 nobjnm,
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53 stretch,
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54 area,
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55 rb,
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56 lb,
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57 responsible_country,
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58 revisiting_time,
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59 limiting,
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60 date_info,
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61 source_organization
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62 ) VALUES(
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63 $1,
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64 isrs_fromText($2),
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65 $3,
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66 $4,
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67 isrsrange(least(isrs_fromText($5), isrs_fromText($6)),
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68 greatest(isrs_fromText($5), isrs_fromText($6))),
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69 ISRSrange_area(
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70 ISRSrange_axis(isrsrange(least(isrs_fromText($5), isrs_fromText($6)),
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71 greatest(isrs_fromText($5), isrs_fromText($6))),
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72 $14),
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73 (SELECT ST_Collect(CAST(area AS geometry))
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74 FROM waterway.waterway_area)),
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75 $7,
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76 $8,
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77 $9,
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78 $10,
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79 $11,
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80 $12,
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81 $13
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82 )
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83 RETURNING id`
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84 )
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85
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86 type bnJobCreator struct{}
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87
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88 func init() {
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89 RegisterJobCreator(BNJobKind, bnJobCreator{})
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90 }
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91
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92 func (bnJobCreator) Description() string { return "bottlenecks" }
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93
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94 func (bnJobCreator) AutoAccept() bool { return false }
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95
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96 func (bnJobCreator) Create() Job { return new(Bottleneck) }
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97
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98 func (bnJobCreator) Depends() []string {
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99 return []string{
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100 "gauges",
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101 "bottlenecks",
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102 }
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103 }
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104
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105 const (
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106 bnStageDoneSQL = `
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107 UPDATE waterway.bottlenecks SET staging_done = true
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108 WHERE id IN (
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109 SELECT key from import.track_imports
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110 WHERE import_id = $1 AND
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111 relation = 'waterway.bottlenecks'::regclass)`
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112 )
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113
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114 // StageDone moves the imported bottleneck out of the staging area.
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115 func (bnJobCreator) StageDone(
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116 ctx context.Context,
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117 tx *sql.Tx,
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118 id int64,
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119 ) error {
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120 _, err := tx.ExecContext(ctx, bnStageDoneSQL, id)
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121 return err
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122 }
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123
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124 // CleanUp of a bottleneck import is a NOP.
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125 func (*Bottleneck) CleanUp() error { return nil }
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126
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127 var rblbRe = regexp.MustCompile(`(..)_(..)`)
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128
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129 func splitRBLB(s string) (*string, *string) {
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130 m := rblbRe.FindStringSubmatch(s)
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131 if len(m) == 0 {
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diff changeset
132 return nil, nil
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133 }
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134 return &m[1], &m[2]
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135 }
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136
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137 func revisitingTime(s string) int {
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138 v, err := strconv.Atoi(s)
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139 if err != nil {
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140 v = 0
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141 }
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142 return v
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143 }
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144
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145 // Do executes the actual bottleneck import.
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146 func (bn *Bottleneck) Do(
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147 ctx context.Context,
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148 importID int64,
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149 conn *sql.Conn,
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150 feedback Feedback,
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151 ) (interface{}, error) {
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152
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153 fetch := func() ([]*ifbn.BottleNeckType, error) {
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154 client := ifbn.NewIBottleneckService(bn.URL, bn.Insecure, nil)
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155
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156 req := &ifbn.Export_bn_by_isrs{}
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157
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158 resp, err := client.Export_bn_by_isrs(req)
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159 if err != nil {
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160 return nil, err
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161 }
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162
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163 if resp.Export_bn_by_isrsResult == nil {
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164 return nil, errors.New("no Bottlenecks found")
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165 }
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166
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167 return resp.Export_bn_by_isrsResult.BottleNeckType, nil
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168 }
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169
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170 return storeBottlenecks(ctx, fetch, importID, conn, feedback, bn.Tolerance)
2195
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171 }
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diff changeset
172
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diff changeset
173 func storeBottlenecks(
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diff changeset
174 ctx context.Context,
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diff changeset
175 fetch func() ([]*ifbn.BottleNeckType, error),
2195
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diff changeset
176 importID int64,
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diff changeset
177 conn *sql.Conn,
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178 feedback Feedback,
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179 tolerance float64,
2195
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180 ) (interface{}, error) {
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diff changeset
181 start := time.Now()
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diff changeset
182
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183 bns, err := fetch()
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184 if err != nil {
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185 return nil, err
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parents:
diff changeset
186 }
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187
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diff changeset
188 feedback.Info("Found %d bottlenecks for import", len(bns))
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189
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190 var hasStmt, insertStmt, trackStmt *sql.Stmt
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diff changeset
191
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diff changeset
192 for _, x := range []struct {
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diff changeset
193 sql string
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diff changeset
194 stmt **sql.Stmt
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195 }{
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diff changeset
196 {hasBottleneckSQL, &hasStmt},
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07f996b0e14a Bottleneck import: Cleaned up source a bit (removed outdated TODOs).
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diff changeset
197 {insertBottleneckSQL, &insertStmt},
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diff changeset
198 {trackImportSQL, &trackStmt},
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diff changeset
199 } {
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diff changeset
200 var err error
2532
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diff changeset
201 if *x.stmt, err = conn.PrepareContext(ctx, x.sql); err != nil {
1580
c503d2fa9776 Bottleneck import: Use a prepared statement for import tracking, too.
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parents: 1572
diff changeset
202 return nil, err
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diff changeset
203 }
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diff changeset
204 defer (*x.stmt).Close()
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diff changeset
205 }
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diff changeset
206
1611
1835d1c9eb9b Store bottleneck_id's instead of id's in bottleneck import summary.
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parents: 1595
diff changeset
207 var nids []string
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diff changeset
208
2693
02d012272dd4 Log snapping tolerance
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parents: 2563
diff changeset
209 feedback.Info("Tolerance used to snap waterway axis: %g", tolerance)
02d012272dd4 Log snapping tolerance
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parents: 2563
diff changeset
210
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diff changeset
211 for _, bn := range bns {
2532
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
212 if err := storeBottleneck(
2563
dc4fae4bdb8f Expose axis snapping tolerance to users
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diff changeset
213 ctx, importID, conn, feedback, bn, &nids, tolerance,
2532
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diff changeset
214 hasStmt, insertStmt, trackStmt); err != nil {
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diff changeset
215 return nil, err
056a86b24be2 Made bottleneck primary key an int. Attention: This may break something!
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diff changeset
216 }
056a86b24be2 Made bottleneck primary key an int. Attention: This may break something!
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parents: 1569
diff changeset
217 }
056a86b24be2 Made bottleneck primary key an int. Attention: This may break something!
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parents: 1569
diff changeset
218 if len(nids) == 0 {
2532
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diff changeset
219 return nil, UnchangedError("No new bottlenecks inserted")
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cf0ca4a9812a Bottleneck import: Implemented backend to store bottlenecks in database.
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diff changeset
220 }
1531
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parents:
diff changeset
221
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diff changeset
222 feedback.Info("Storing %d bottlenecks took %s", len(nids), time.Since(start))
1906
32c56e6c089a Stretch import: Added forgotten source file.
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parents: 1902
diff changeset
223 feedback.Info("Import of bottlenecks was successful")
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diff changeset
224 summary := struct {
1611
1835d1c9eb9b Store bottleneck_id's instead of id's in bottleneck import summary.
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parents: 1595
diff changeset
225 Bottlenecks []string `json:"bottlenecks"`
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cf0ca4a9812a Bottleneck import: Implemented backend to store bottlenecks in database.
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diff changeset
226 }{
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diff changeset
227 Bottlenecks: nids,
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diff changeset
228 }
1906
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parents: 1902
diff changeset
229 return &summary, nil
1531
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parents:
diff changeset
230 }
2532
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parents: 2253
diff changeset
231
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parents: 2253
diff changeset
232 func storeBottleneck(
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parents: 2253
diff changeset
233 ctx context.Context,
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parents: 2253
diff changeset
234 importID int64,
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parents: 2253
diff changeset
235 conn *sql.Conn,
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parents: 2253
diff changeset
236 feedback Feedback,
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parents: 2253
diff changeset
237 bn *ifbn.BottleNeckType,
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parents: 2253
diff changeset
238 nids *[]string,
2563
dc4fae4bdb8f Expose axis snapping tolerance to users
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parents: 2548
diff changeset
239 tolerance float64,
2532
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parents: 2253
diff changeset
240 hasStmt, insertStmt, trackStmt *sql.Stmt,
452bc714bfd9 Continue importing bottlenecks if one item fails
Tom Gottfried <tom@intevation.de>
parents: 2253
diff changeset
241 ) error {
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parents: 2253
diff changeset
242
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
243 tx, err := conn.BeginTx(ctx, nil)
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parents: 2253
diff changeset
244 if err != nil {
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
245 return err
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
246 }
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
247 defer tx.Rollback()
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parents: 2253
diff changeset
248
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
diff changeset
249 var found bool
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parents: 2253
diff changeset
250 err = tx.Stmt(hasStmt).QueryRowContext(ctx, bn.Bottleneck_id).Scan(&found)
452bc714bfd9 Continue importing bottlenecks if one item fails
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parents: 2253
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251 switch {
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252 case err == sql.ErrNoRows:
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253 // This is good.
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254 case err != nil:
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255 return err
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256 case found:
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257 feedback.Info("'%s' already in database. Skip", bn.OBJNAM)
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258 // TODO: Deep comparison database vs. SOAP.
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259 return nil
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260 }
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261
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262 rb, lb := splitRBLB(bn.Rb_lb)
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263
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264 var limiting, country string
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265
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266 if bn.Limiting_factor != nil {
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267 limiting = string(*bn.Limiting_factor)
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268 }
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269
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270 if bn.Responsible_country != nil {
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271 country = string(*bn.Responsible_country)
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272 }
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273
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274 var nid int64
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275
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276 err = tx.Stmt(insertStmt).QueryRowContext(
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277 ctx,
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278 bn.Bottleneck_id,
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279 bn.Fk_g_fid,
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280 bn.OBJNAM,
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281 bn.NOBJNM,
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282 bn.From_ISRS, bn.To_ISRS,
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283 rb,
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284 lb,
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285 country,
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286 revisitingTime(bn.Revisiting_time),
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287 limiting,
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288 bn.Date_Info,
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289 bn.Source,
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290 tolerance,
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291 ).Scan(&nid)
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292 if err != nil {
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293 feedback.Warn("Failed to insert '%s' into database", bn.OBJNAM)
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294 feedback.Warn(handleError(err).Error())
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295 return nil
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296 }
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297
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298 if _, err := tx.Stmt(trackStmt).ExecContext(
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299 ctx, importID, "waterway.bottlenecks", nid,
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300 ); err != nil {
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301 return err
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302 }
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303 if err = tx.Commit(); err != nil {
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304 return err
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305 }
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306 feedback.Info("Inserted '%s' into database", bn.OBJNAM)
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307 *nids = append(*nids, bn.Bottleneck_id)
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308 return nil
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309 }