Mercurial > gemma

annotate pkg/controllers/system.go @ 3762:98d5dd2f0ca1

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Don't show unnecessary warnings when uploading TXT file for SR.
author Sascha Wilde <wilde@intevation.de>
date Wed, 26 Jun 2019 11:00:35 +0200
parents 2467e619cf67
children 70a881045efd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 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
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14 package controllers
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15
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16 import (
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17 "bytes"
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18 "database/sql"
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19 "fmt"
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20 "io/ioutil"
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21 "net/http"
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22 "strings"
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23
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24 "github.com/gorilla/mux"
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25
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26 "gemma.intevation.de/gemma/pkg/config"
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27 "gemma.intevation.de/gemma/pkg/models"
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28 )
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29
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30 const (
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31 getFeatureColourSQL = `SELECT r,g,b,a
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32 FROM systemconf.feature_colours
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33 WHERE feature_name = $1 AND style_attr = $2`
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34 setFeatureColourSQL = `UPDATE systemconf.feature_colours
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35 SET (r, g, b, a) = ($3, $4, $5, $6)
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36 WHERE feature_name = $1 AND style_attr = $2`
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37
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38 getSettingsSQL = `
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39 SELECT config_key, config_val
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40 FROM sys_admin.system_config`
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41
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42 updateSettingSQL = `
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43 INSERT INTO sys_admin.system_config (config_key, config_val)
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44 VALUES ($1, $2)
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45 ON CONFLICT (config_key) DO UPDATE SET config_val = $2`
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46 )
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47
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48 // System status end points
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49
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50 func showSystemLog(
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51 _ interface{}, req *http.Request,
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52 _ *sql.Conn,
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53 ) (jr JSONResult, err error) {
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54
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55 serviceName := mux.Vars(req)["service"]
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56 fileName := mux.Vars(req)["file"]
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57
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58 // The following check is currently most likely unnecessary as I wasn't
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59 // able to inject a verbatim '/' via the middleware, but better be on
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60 // the safe site...
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61 if strings.Contains(fileName, "/") {
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62 err = JSONError{http.StatusBadRequest,
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63 "error: no slashes allowed in file name"}
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64 return
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65 }
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66
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67 var path string
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68
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69 switch serviceName {
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70 case "apache2", "postgresql":
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71 path = "/var/log/" + serviceName + "/" + fileName
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72 default:
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73 err = JSONError{http.StatusBadRequest,
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74 "error: invalid service: " + serviceName}
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75 return
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76 }
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77
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78 var txt []byte
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79
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80 if txt, err = ioutil.ReadFile(path); err != nil {
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81 return
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82 }
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83
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84 jr = JSONResult{
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85 Result: struct {
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86 Path string `json:"path"`
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87 Content string `json:"content"`
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88 }{path, string(txt)},
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89 }
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90 return
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91 }
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92
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93 func getSystemConfig(
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94 _ interface{}, req *http.Request,
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95 _ *sql.Conn,
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96 ) (jr JSONResult, err error) {
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97
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98 cfg := config.PublishedConfig()
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99 if cfg == "" {
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100 jr = JSONResult{Result: strings.NewReader("{}")}
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101 return
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102 }
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103
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104 var data []byte
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105 if data, err = ioutil.ReadFile(cfg); err != nil {
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106 return
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107 }
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108
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109 jr = JSONResult{Result: bytes.NewReader(data)}
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110 return
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111 }
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112
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113 func getSystemSettings(
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114 _ interface{},
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115 req *http.Request,
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116 conn *sql.Conn,
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117 ) (jr JSONResult, err error) {
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118
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119 var rows *sql.Rows
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120 if rows, err = conn.QueryContext(req.Context(), getSettingsSQL); err != nil {
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121 return
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122 }
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123 defer rows.Close()
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124
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125 settings := map[string]string{}
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126
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127 for rows.Next() {
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128 var key, val string
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129 if err = rows.Scan(&key, &val); err != nil {
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130 return
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131 }
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132 settings[key] = val
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133 }
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134 if err = rows.Err(); err != nil {
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135 return
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136 }
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137
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138 jr = JSONResult{Result: settings}
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139 return
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Markus Kottlaender <markus@intevation.de>
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diff changeset
140 }
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141
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Markus Kottlaender <markus@intevation.de>
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142 func setSystemSettings(
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143 input interface{},
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144 req *http.Request,
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145 conn *sql.Conn,
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diff changeset
146 ) (jr JSONResult, err error) {
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147
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148 settings := input.(*map[string]string)
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149
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150 ctx := req.Context()
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151 var tx *sql.Tx
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152 if tx, err = conn.BeginTx(ctx, nil); err != nil {
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153 return
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154 }
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155 defer tx.Rollback()
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156
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157 var setStmt *sql.Stmt
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158 if setStmt, err = tx.PrepareContext(ctx, updateSettingSQL); err != nil {
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159 return
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160 }
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161 defer setStmt.Close()
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162
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163 for key, value := range *settings {
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2467e619cf67 Fixed more SQL typos.
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164 if _, err = setStmt.ExecContext(ctx, key, value); err != nil {
3625
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165 return
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166 }
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167 }
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168
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169 if err = tx.Commit(); err != nil {
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170 return
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171 }
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172
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173 jr = JSONResult{
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174 Code: http.StatusCreated,
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175 Result: struct {
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176 Result string `json:"result"`
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177 }{"success"},
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178 }
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179 return
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180 }
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181
840
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182 // Map/Feature style end points
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183
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184 func getFeatureStyle(
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185 _ interface{},
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186 req *http.Request,
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187 db *sql.Conn,
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188 ) (jr JSONResult, err error) {
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189
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190 feature := mux.Vars(req)["feature"]
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191 attr := mux.Vars(req)["attr"]
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192
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193 c := models.Colour{}
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194 err = db.QueryRowContext(
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195 req.Context(),
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196 getFeatureColourSQL,
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197 feature, attr,
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198 ).Scan(&c.R, &c.G, &c.B, &c.A)
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199
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200 switch {
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201 case err == sql.ErrNoRows:
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202 err = JSONError{
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203 Code: http.StatusNotFound,
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204 Message: "Requestes style not found.",
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205 }
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206 return
0f61bfc21041 Added end point to get style (colour) information for feature.
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207 case err != nil:
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208 return
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209 }
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210
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211 jr.Result = &struct {
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212 Colour models.Colour `json:"colour"`
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213 Code string `json:"code"`
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214 }{c, fmt.Sprintf("rgba(%d, %d, %d, %g)", c.R, c.G, c.B, c.A)}
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215 return
0f61bfc21041 Added end point to get style (colour) information for feature.
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216 }
846
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217
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diff changeset
218 func setFeatureStyle(
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219 input interface{},
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220 req *http.Request,
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221 db *sql.Conn,
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parents: 840
diff changeset
222 ) (jr JSONResult, err error) {
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diff changeset
223
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224 feature := mux.Vars(req)["feature"]
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225 attr := mux.Vars(req)["attr"]
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226
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diff changeset
227 c := input.(*models.Colour)
854
83c271cb2344 Reverted fcb38cedc680 (More tightened color model.)
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parents: 850
diff changeset
228 if !c.IsValid() {
83c271cb2344 Reverted fcb38cedc680 (More tightened color model.)
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diff changeset
229 err = JSONError{http.StatusBadRequest, "error: invalid colours"}
83c271cb2344 Reverted fcb38cedc680 (More tightened color model.)
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parents: 850
diff changeset
230 return
83c271cb2344 Reverted fcb38cedc680 (More tightened color model.)
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parents: 850
diff changeset
231 }
846
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232
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diff changeset
233 var res sql.Result
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234 res, err = db.ExecContext(
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
235 req.Context(),
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
236 setFeatureColourSQL,
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diff changeset
237 feature, attr,
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diff changeset
238 c.R, c.G, c.B, c.A)
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diff changeset
239
6902032757e4 Added end point to set style (colour) information for feature.
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parents: 840
diff changeset
240 if err != nil {
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
241 return
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
parents: 840
diff changeset
242 }
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diff changeset
243
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
244 if n, err2 := res.RowsAffected(); err2 == nil && n == 0 {
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
245 err = JSONError{
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
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diff changeset
246 Code: http.StatusNotFound,
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
247 Message: "Requestes style not found.",
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
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diff changeset
248 }
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
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diff changeset
249 return
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
parents: 840
diff changeset
250 }
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
251
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
252 jr = JSONResult{
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
253 Code: http.StatusCreated,
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
254 Result: struct {
6902032757e4 Added end point to set style (colour) information for feature.
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parents: 840
diff changeset
255 Result string `json:"result"`
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
256 }{"success"},
6902032757e4 Added end point to set style (colour) information for feature.
Sascha Wilde <wilde@intevation.de>
parents: 840
diff changeset
257 }
6902032757e4 Added end point to set style (colour) information for feature.
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diff changeset
258 return
6902032757e4 Added end point to set style (colour) information for feature.
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parents: 840
diff changeset
259 }