Mercurial > gemma

annotate pkg/controllers/system.go @ 5564:aaa9e658cabd

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Log export: Added marker interface to JobCreators that log messages should be loaded at export. Removes the hard coded SR export SQL logic.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sat, 12 Feb 2022 18:56:55 +0100
parents 5f47eeea988d
children 31973f6f5cca
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, 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 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 "context"
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19 "database/sql"
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20 "fmt"
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21 "io/ioutil"
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22 "net/http"
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23 "regexp"
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24 "strings"
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25 "sync"
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26 "time"
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27
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28 "github.com/gorilla/mux"
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29
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30 "gemma.intevation.de/gemma/pkg/auth"
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31 "gemma.intevation.de/gemma/pkg/common"
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32 "gemma.intevation.de/gemma/pkg/config"
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33 "gemma.intevation.de/gemma/pkg/geoserver"
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34 "gemma.intevation.de/gemma/pkg/imports"
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35 "gemma.intevation.de/gemma/pkg/log"
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36 "gemma.intevation.de/gemma/pkg/models"
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37
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38 mw "gemma.intevation.de/gemma/pkg/middleware"
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39 )
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40
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41 const (
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42 getSettingsSQL = `
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43 SELECT config_key, config_val
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44 FROM sys_admin.system_config`
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45
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46 getConfigSQL = `
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47 SELECT config_val
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48 FROM sys_admin.system_config
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49 WHERE config_key = $1`
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50
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51 updateSettingSQL = `
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52 INSERT INTO sys_admin.system_config (config_key, config_val)
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53 VALUES ($1, $2)
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54 ON CONFLICT (config_key) DO UPDATE SET config_val = $2`
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55
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56 deleteSoundingDiffsSQL = `
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57 DELETE FROM caching.sounding_differences`
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58 )
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59
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60 // System status end points
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61
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62 func showSystemLog(req *http.Request) (jr mw.JSONResult, err error) {
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63
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64 serviceName := mux.Vars(req)["service"]
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65 fileName := mux.Vars(req)["file"]
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66
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67 // The following check is currently most likely unnecessary as I wasn't
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68 // able to inject a verbatim '/' via the middleware, but better be on
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69 // the safe site...
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70 if strings.Contains(fileName, "/") {
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71 err = mw.JSONError{
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72 Code: http.StatusBadRequest,
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73 Message: "error: no slashes allowed in file name",
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74 }
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75 return
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76 }
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77
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78 var path string
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79
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80 switch serviceName {
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81 case "apache2", "postgresql":
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82 path = "/var/log/" + serviceName + "/" + fileName
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83 default:
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84 err = mw.JSONError{
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85 Code: http.StatusBadRequest,
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86 Message: "error: invalid service: " + serviceName,
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87 }
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88 return
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89 }
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90
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91 var txt []byte
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92
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93 if txt, err = ioutil.ReadFile(path); err != nil {
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94 return
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95 }
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96
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97 jr = mw.JSONResult{
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98 Result: struct {
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99 Path string `json:"path"`
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100 Content string `json:"content"`
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101 }{path, string(txt)},
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102 }
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103 return
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104 }
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105
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106 func getSystemConfig(req *http.Request) (jr mw.JSONResult, err error) {
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107
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108 cfg := config.PublishedConfig()
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109 if cfg == "" {
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110 jr = mw.JSONResult{Result: strings.NewReader("{}")}
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111 return
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112 }
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113
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114 var data []byte
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115 if data, err = ioutil.ReadFile(cfg); err != nil {
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116 return
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117 }
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118
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119 jr = mw.JSONResult{Result: bytes.NewReader(data)}
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120 return
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121 }
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122
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123 func getSystemSettings(req *http.Request) (jr mw.JSONResult, err error) {
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124
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125 var rows *sql.Rows
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126 if rows, err = mw.JSONConn(req).QueryContext(req.Context(), getSettingsSQL); err != nil {
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127 return
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128 }
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129 defer rows.Close()
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130
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131 settings := map[string]string{}
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132
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133 for rows.Next() {
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134 var key, val string
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135 if err = rows.Scan(&key, &val); err != nil {
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136 return
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137 }
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138 settings[key] = val
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139 }
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140 if err = rows.Err(); err != nil {
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141 return
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142 }
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143
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144 jr = mw.JSONResult{Result: settings}
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145 return
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146 }
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147
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148 type reconfFunc func(sql.NullString, string) (func(*http.Request), error)
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149
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150 var (
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151 reconfigureFuncsMu sync.Mutex
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152 reconfigureFuncs = map[string]reconfFunc{}
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153 )
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154
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155 func registerReconfigureFunc(key string, fn reconfFunc) {
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156 reconfigureFuncsMu.Lock()
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157 defer reconfigureFuncsMu.Unlock()
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158 reconfigureFuncs[key] = fn
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159 }
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160
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161 func reconfigureFunc(key string) reconfFunc {
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162 reconfigureFuncsMu.Lock()
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163 defer reconfigureFuncsMu.Unlock()
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164 return reconfigureFuncs[key]
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165 }
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166
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167 var validColorRe = regexp.MustCompile(`#[[:xdigit:]]{6}`)
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168
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169 func reconfigureWMSLayer(
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170 old sql.NullString, curr,
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171 which string,
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172 ) (func(*http.Request), error) {
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173
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174 if !validColorRe.MatchString(curr) {
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175 return nil, fmt.Errorf("'%v' is not a valid color", curr)
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176 }
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177
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178 if !old.Valid || old.String != strings.ToLower(curr) {
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179 return func(*http.Request) { geoserver.ReconfigureStyle(which) }, nil
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180 }
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181
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182 return nil, nil
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183 }
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184
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185 func reconfigureClassBreaks(
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186 old sql.NullString, curr,
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187 which string,
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188 recalc func(*http.Request),
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189 ) (func(*http.Request), error) {
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190
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191 // If new values are broken, don't proceed.
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192 currCVs, err := models.ParseColorValues(curr)
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193 if err != nil {
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194 return nil, err
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195 }
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196
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197 styles := strings.Split(which, ",")
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198
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199 doBoth := func(req *http.Request) {
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200 log.Infof("trigger re-calculation of %s.", which)
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201 for _, style := range styles {
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202 geoserver.ReconfigureStyle(style)
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203 }
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diff changeset
204 recalc(req)
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205 }
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diff changeset
206
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diff changeset
207 if !old.Valid {
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208 return doBoth, nil
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diff changeset
209 }
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diff changeset
210
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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diff changeset
211 oldCVs, err := models.ParseColorValues(old.String)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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diff changeset
212 if err != nil {
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diff changeset
213 log.Warnf("old config value is broken: %v\n", err)
3854
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diff changeset
214 return doBoth, nil
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diff changeset
215 }
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diff changeset
216
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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diff changeset
217 if len(currCVs) != len(oldCVs) {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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diff changeset
218 return doBoth, nil
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diff changeset
219 }
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diff changeset
220
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diff changeset
221 colorChanged := false
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diff changeset
222
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diff changeset
223 for i := range currCVs {
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diff changeset
224 if currCVs[i].Value != oldCVs[i].Value {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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diff changeset
225 return doBoth, nil
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diff changeset
226 }
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diff changeset
227 if currCVs[i].Color != oldCVs[i].Color {
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diff changeset
228 colorChanged = true
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diff changeset
229 }
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diff changeset
230 }
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diff changeset
231
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diff changeset
232 // Only the color changed -> no expensive recalc needed.
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diff changeset
233 if colorChanged {
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diff changeset
234 log.Infof("only colors changed.")
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diff changeset
235 return func(*http.Request) {
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diff changeset
236 for _, style := range styles {
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diff changeset
237 geoserver.ReconfigureStyle(style)
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238 }
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diff changeset
239 }, nil
3854
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parents: 3834
diff changeset
240 }
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parents: 3834
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241
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diff changeset
242 return nil, nil
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parents: 3834
diff changeset
243 }
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parents: 3834
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244
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diff changeset
245 func init() {
3854
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diff changeset
246 registerReconfigureFunc("morphology_classbreaks",
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diff changeset
247 func(old sql.NullString, curr string) (func(*http.Request), error) {
3854
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parents: 3834
diff changeset
248 return reconfigureClassBreaks(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3834
diff changeset
249 old, curr,
5423
24156a964eaa [WIP] Add support for scan marking points in geoserver.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4584
diff changeset
250 "sounding_results_areas_geoserver,sounding_results_marking_points_geoserver",
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
251 func(req *http.Request) {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
252 if s, ok := auth.GetSession(req); ok {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
253 triggerSoundingResultsContoursRecalc(s.User, curr)
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
254 }
3854
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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parents: 3834
diff changeset
255 })
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parents: 3834
diff changeset
256 })
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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parents: 3834
diff changeset
257 registerReconfigureFunc("morphology_classbreaks_compare",
4214
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diff changeset
258 func(old sql.NullString, curr string) (func(*http.Request), error) {
3854
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parents: 3834
diff changeset
259 return reconfigureClassBreaks(
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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parents: 3834
diff changeset
260 old, curr,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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parents: 3834
diff changeset
261 "sounding_differences",
4214
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parents: 3929
diff changeset
262 func(*http.Request) { go deleteSoundingDiffs() })
3854
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parents: 3834
diff changeset
263 })
4232
8aff98c84a5a Example how to style distance_marks WMS layer with templating.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4214
diff changeset
264
4248
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4247
diff changeset
265 reconf := func(which string) func(sql.NullString, string) (func(*http.Request), error) {
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parents: 4247
diff changeset
266 return func(old sql.NullString, curr string) (func(*http.Request), error) {
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parents: 4247
diff changeset
267 return reconfigureWMSLayer(old, curr, which)
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parents: 4247
diff changeset
268 }
4232
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parents: 4214
diff changeset
269 }
4248
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diff changeset
270
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diff changeset
271 dm := reconf("distance_marks_geoserver")
4232
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parents: 4214
diff changeset
272 registerReconfigureFunc("distance_marks_fill", dm)
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parents: 4214
diff changeset
273 registerReconfigureFunc("distance_marks_stroke", dm)
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parents: 4214
diff changeset
274
4248
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parents: 4247
diff changeset
275 dma := reconf("distance_marks_ashore_geoserver")
4247
152b9eb5ca47 styles-config: implement styling of WMS-Layers
Fadi Abbud <fadi.abbud@intevation.de>
parents: 4244
diff changeset
276 registerReconfigureFunc("distance_marks_ashore_fill", dma)
152b9eb5ca47 styles-config: implement styling of WMS-Layers
Fadi Abbud <fadi.abbud@intevation.de>
parents: 4244
diff changeset
277 registerReconfigureFunc("distance_marks_ashore_stroke", dma)
152b9eb5ca47 styles-config: implement styling of WMS-Layers
Fadi Abbud <fadi.abbud@intevation.de>
parents: 4244
diff changeset
278
4248
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4247
diff changeset
279 registerReconfigureFunc("waterway_area_stroke", reconf("waterway_area"))
b83668bef692 Simplified WMS reconfiguration call if registered key was found.
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parents: 4247
diff changeset
280 registerReconfigureFunc("waterway_axis_stroke", reconf("waterway_axis"))
4247
152b9eb5ca47 styles-config: implement styling of WMS-Layers
Fadi Abbud <fadi.abbud@intevation.de>
parents: 4244
diff changeset
281
4232
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parents: 4214
diff changeset
282 // TODO: Add more layers.
3833
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parents: 3630
diff changeset
283 }
70a881045efd Trigger reconfiguration of GeoServer if the system settings were written.
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parents: 3630
diff changeset
284
4214
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parents: 3929
diff changeset
285 func triggerSoundingResultsContoursRecalc(who, breaks string) {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
286 var serialized string
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
287 job := &imports.IsoRefresh{ClassBreaks: breaks}
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
288 serialized, err := common.ToJSONString(job)
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
289 if err != nil {
5490
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diff changeset
290 log.Errorf("%v\n", err)
4214
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parents: 3929
diff changeset
291 return
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
292 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
293 var jobID int64
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
294 if jobID, err = imports.AddJob(
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents: 3929
diff changeset
295 imports.ISRJobKind,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
296 time.Time{},
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
297 nil,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
298 nil,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
299 who,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
300 false,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
301 serialized,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
302 ); err != nil {
5490
5f47eeea988d Use own logging package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 5423
diff changeset
303 log.Errorf("%v\n", err)
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
304 return
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
305 }
5490
5f47eeea988d Use own logging package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 5423
diff changeset
306 log.Infof(
5f47eeea988d Use own logging package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 5423
diff changeset
307 "recalculate sounding results contours in job %d.\n",
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
308 jobID)
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
309
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
310 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
311
3929
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
312 func deleteSoundingDiffs() {
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
313 // TODO: Better do that in import queue?
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
314 ctx := context.Background()
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
315
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
316 if err := auth.RunAs(ctx, "sys_admin",
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
317 func(conn *sql.Conn) error {
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
318 _, err := conn.ExecContext(ctx, deleteSoundingDiffsSQL)
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
319 return err
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
320 },
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
321 ); err != nil {
5490
5f47eeea988d Use own logging package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 5423
diff changeset
322 log.Errorf("cleaning sounding diffs cache failed: %v\n", err)
3929
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
323 }
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
324 }
45be361f2d48 If the settings for sounding diffs are changed in a way that they need recalculation, flush the cache.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
325
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
326 func setSystemSettings(req *http.Request) (jr mw.JSONResult, err error) {
3625
a688a478e35f implemented configuration backend and frontend
Markus Kottlaender <markus@intevation.de>
parents: 3108
diff changeset
327
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
328 settings := mw.JSONInput(req).(*map[string]string)
3628
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
329
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
330 ctx := req.Context()
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
331 var tx *sql.Tx
4244
4394daeea96a Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4243
diff changeset
332 if tx, err = mw.JSONConn(req).BeginTx(ctx, nil); err != nil {
3628
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
333 return
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
334 }
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
335 defer tx.Rollback()
3625
a688a478e35f implemented configuration backend and frontend
Markus Kottlaender <markus@intevation.de>
parents: 3108
diff changeset
336
3628
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
337 var setStmt *sql.Stmt
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
338 if setStmt, err = tx.PrepareContext(ctx, updateSettingSQL); err != nil {
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
339 return
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
340 }
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
341 defer setStmt.Close()
3834
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
342 var getStmt *sql.Stmt
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
343 if getStmt, err = tx.PrepareContext(ctx, getConfigSQL); err != nil {
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
344 return
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
345 }
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
346 defer getStmt.Close()
3628
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
347
4214
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3929
diff changeset
348 reconfigure := map[string]func(*http.Request){}
3833
70a881045efd Trigger reconfiguration of GeoServer if the system settings were written.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3630
diff changeset
349
3628
6693be57b7a2 Re-worked the Go part a little bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3625
diff changeset
350 for key, value := range *settings {
3834
d68c6be758b6 Only trigger the reconfiguation functions if the values have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3833
diff changeset
351 var old sql.NullString
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352 err = getStmt.QueryRowContext(ctx, key).Scan(&old)
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353 switch {
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354 case err == sql.ErrNoRows:
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355 old.Valid, err = false, nil
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356 case err != nil:
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357 return
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358 }
3833
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359
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360 if cmp := reconfigureFunc(key); cmp != nil {
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361 var fn func(*http.Request)
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362 if fn, err = cmp(old, value); err != nil {
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363 return
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364 }
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365 if fn != nil {
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366 reconfigure[key] = fn
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367 }
3833
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368 }
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369
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370 if _, err = setStmt.ExecContext(ctx, key, value); err != nil {
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371 return
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372 }
3628
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373 }
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374
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375 if err = tx.Commit(); err != nil {
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376 return
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377 }
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378
3833
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379 for _, fn := range reconfigure {
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380 fn(req)
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381 }
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382
4244
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diff changeset
383 jr = mw.JSONResult{
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384 Code: http.StatusCreated,
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385 Result: struct {
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386 Result string `json:"result"`
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387 }{"success"},
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388 }
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389 return
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390 }