Mercurial > gemma
annotate pkg/controllers/printtemplates.go @ 5591:0011f50cf216 surveysperbottleneckid
Removed no longer used alternative api for surveys/ endpoint.
As bottlenecks in the summary for SR imports are now identified by
their id and no longer by the (not guarantied to be unique!) name,
there is no longer the need to request survey data by the name+date
tuple (which isn't reliable anyway). So the workaround was now
reversed.
author | Sascha Wilde <wilde@sha-bang.de> |
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date | Wed, 06 Apr 2022 13:30:29 +0200 |
parents | 4394daeea96a |
children | 6270951dda28 |
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 L. Teichmann <sascha.teichmann@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 "encoding/json" |
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20 "net/http" |
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21 "strings" |
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22 "time" |
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23 |
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24 "github.com/gorilla/mux" |
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25 "github.com/jackc/pgx/pgtype" |
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26 |
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27 "gemma.intevation.de/gemma/pkg/models" |
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28 |
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29 mw "gemma.intevation.de/gemma/pkg/middleware" |
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30 ) |
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31 |
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32 const maxPrintTemplateSize = 5 * 1024 * 1024 |
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33 |
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34 const ( |
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35 listPrintTemplatesSQL = ` |
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36 SELECT |
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37 template_name, |
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38 template_type::varchar, |
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39 date_info, |
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40 country |
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41 FROM users.templates |
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42 WHERE |
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43 ` |
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44 |
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45 hasPrintTemplateSQL = ` |
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46 SELECT true FROM users.templates |
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47 WHERE template_name = $1 AND template_type = $2::template_types` |
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48 |
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49 deletePrintTemplateSQL = ` |
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50 DELETE FROM users.templates |
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51 WHERE template_name = $1 AND template_type = $2::template_types` |
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52 |
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53 selectPrintTemplateSQL = ` |
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54 SELECT template_data FROM users.templates |
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55 WHERE template_name = $1 AND template_type = $2::template_types` |
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56 |
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57 insertPrintTemplateSQL = ` |
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58 INSERT INTO users.templates (template_name, template_type, template_data, country) |
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59 SELECT |
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60 $1, |
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61 $2::template_types, |
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62 $3, |
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63 CASE WHEN pg_has_role('sys_admin', 'MEMBER') THEN NULL |
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64 ELSE (SELECT country FROM users.list_users |
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65 WHERE username = current_user) |
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66 END` |
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67 |
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68 updatePrintTemplateSQL = ` |
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69 UPDATE user.templates template_data = $2 |
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70 WHERE template_name = $1 AND template_type = $2::template_types` |
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71 ) |
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72 |
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73 var templateTypes = []string{"map", "diagram", "report"} |
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74 |
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75 func listPrintTemplates(req *http.Request) (jr mw.JSONResult, err error) { |
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76 |
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77 ts := mux.Vars(req)["type"] |
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78 if ts == "" { |
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79 if ts = req.FormValue("types"); ts == "" { |
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80 ts = strings.Join(templateTypes, ",") |
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81 } |
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82 } |
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83 |
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84 types := toTextArray(ts, templateTypes) |
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85 filter := buildFilterTerm("template_type = ANY($%d) ", types) |
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86 |
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87 var stmt strings.Builder |
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88 var args []interface{} |
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89 |
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90 stmt.WriteString(listPrintTemplatesSQL) |
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91 filter.serialize(&stmt, &args) |
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92 stmt.WriteString(" ORDER BY date_info DESC") |
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93 |
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94 var rows *sql.Rows |
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95 if rows, err = mw.JSONConn(req).QueryContext(req.Context(), stmt.String(), args...); err != nil { |
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96 return |
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97 } |
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98 defer rows.Close() |
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99 |
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100 type template struct { |
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101 Name string `json:"name"` |
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102 Type string `json:"type"` |
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103 Time models.Time `json:"time"` |
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104 Country *string `json:"country,omitempty"` |
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105 } |
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106 |
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107 templates := []*template{} |
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108 |
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109 for rows.Next() { |
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110 var tmpl template |
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111 var w time.Time |
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112 var country sql.NullString |
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113 if err = rows.Scan( |
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114 &tmpl.Name, |
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115 &tmpl.Type, |
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116 &w, |
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117 &country, |
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118 ); err != nil { |
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119 return |
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120 } |
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121 tmpl.Time = models.Time{Time: w} |
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122 if country.Valid { |
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123 tmpl.Country = &country.String |
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124 } |
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125 templates = append(templates, &tmpl) |
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126 } |
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127 |
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128 jr = mw.JSONResult{Result: templates} |
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129 return |
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130 } |
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131 |
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132 func fetchPrintTemplate(req *http.Request) (jr mw.JSONResult, err error) { |
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133 |
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134 vars := mux.Vars(req) |
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135 name, typ := vars["name"], vars["type"] |
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136 |
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137 ctx := req.Context() |
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138 var data pgtype.Bytea |
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139 err = mw.JSONConn(req).QueryRowContext(ctx, selectPrintTemplateSQL, name, typ).Scan(&data) |
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140 |
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141 switch { |
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142 case err == sql.ErrNoRows: |
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143 err = mw.JSONError{ |
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144 Code: http.StatusNotFound, |
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145 Message: "No such template found", |
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146 } |
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147 return |
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148 case err != nil: |
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149 return |
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150 case data.Status != pgtype.Present: |
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151 err = mw.JSONError{ |
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152 Code: http.StatusInternalServerError, |
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153 Message: "Unexpected return value from database query", |
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154 } |
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155 return |
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156 } |
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157 jr = mw.JSONResult{Result: bytes.NewReader(data.Bytes)} |
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158 return |
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159 } |
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160 |
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161 func createPrintTemplate(req *http.Request) (jr mw.JSONResult, err error) { |
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162 |
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163 vars := mux.Vars(req) |
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164 name, typ := vars["name"], vars["type"] |
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165 |
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166 in := mw.JSONInput(req).(*json.RawMessage) |
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167 |
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168 if name == "" { |
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169 err = mw.JSONError{ |
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170 Code: http.StatusBadRequest, |
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171 Message: "Template must have a none empty name", |
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172 } |
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173 return |
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174 } |
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175 if len(*in) == 0 { |
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176 err = mw.JSONError{ |
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177 Code: http.StatusBadRequest, |
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178 Message: "Template must have a none empty template", |
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179 } |
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180 return |
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181 } |
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182 |
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183 ctx := req.Context() |
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184 var tx *sql.Tx |
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185 if tx, err = mw.JSONConn(req).BeginTx(ctx, nil); err != nil { |
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186 return |
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187 } |
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188 defer tx.Rollback() |
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189 |
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190 var dummy bool |
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191 err = tx.QueryRowContext(ctx, hasPrintTemplateSQL, name, typ).Scan(&dummy) |
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192 |
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193 switch { |
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194 case err == sql.ErrNoRows: |
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195 // This is fine. |
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196 case err != nil: |
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197 return |
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198 default: |
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199 err = mw.JSONError{ |
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200 Code: http.StatusBadRequest, |
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201 Message: "A template with this name already exists", |
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202 } |
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203 return |
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204 } |
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205 data := pgtype.Bytea{Bytes: *in, Status: pgtype.Present} |
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206 |
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207 if _, err = tx.ExecContext(ctx, insertPrintTemplateSQL, name, typ, &data); err != nil { |
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208 return |
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209 } |
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210 |
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211 if err = tx.Commit(); err != nil { |
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212 return |
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213 } |
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214 jr = mw.JSONResult{ |
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215 Code: http.StatusCreated, |
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216 Result: map[string]string{ |
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217 "created": name, |
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218 }, |
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219 } |
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220 return |
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221 } |
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222 |
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223 func deletePrintTemplate(req *http.Request) (jr mw.JSONResult, err error) { |
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224 |
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225 vars := mux.Vars(req) |
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226 name, typ := vars["name"], vars["type"] |
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227 |
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228 ctx := req.Context() |
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229 var tx *sql.Tx |
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230 if tx, err = mw.JSONConn(req).BeginTx(ctx, nil); err != nil { |
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231 return |
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232 } |
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233 defer tx.Rollback() |
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234 |
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235 var dummy bool |
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236 err = tx.QueryRowContext(ctx, hasPrintTemplateSQL, name, typ).Scan(&dummy) |
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237 |
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238 switch { |
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239 case err == sql.ErrNoRows: |
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240 err = mw.JSONError{ |
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241 Code: http.StatusNotFound, |
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242 Message: "No such template found", |
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243 } |
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244 return |
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245 case err != nil: |
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246 return |
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247 case !dummy: |
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248 err = mw.JSONError{ |
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249 Code: http.StatusInternalServerError, |
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250 Message: "Unexpected return value from database query", |
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251 } |
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252 return |
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253 } |
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254 |
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255 if _, err = tx.ExecContext(ctx, deletePrintTemplateSQL, name, typ); err != nil { |
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256 return |
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257 } |
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258 |
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259 if err = tx.Commit(); err != nil { |
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260 return |
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261 } |
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262 |
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263 jr = mw.JSONResult{ |
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264 Result: map[string]string{ |
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265 "deleted": name, |
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266 }, |
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267 } |
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268 |
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269 return |
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270 } |
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271 |
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272 func updatePrintTemplate(req *http.Request) (jr mw.JSONResult, err error) { |
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273 |
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274 vars := mux.Vars(req) |
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275 name, typ := vars["name"], vars["type"] |
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276 |
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277 in := mw.JSONInput(req).(*json.RawMessage) |
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278 |
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279 if name == "" { |
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280 err = mw.JSONError{ |
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281 Code: http.StatusBadRequest, |
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282 Message: "Template must have a none empty name", |
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283 } |
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284 return |
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285 } |
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286 if len(*in) == 0 { |
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287 err = mw.JSONError{ |
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288 Code: http.StatusBadRequest, |
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289 Message: "Template must have a none empty template", |
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290 } |
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291 return |
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292 } |
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293 |
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294 ctx := req.Context() |
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295 var tx *sql.Tx |
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296 if tx, err = mw.JSONConn(req).BeginTx(ctx, nil); err != nil { |
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297 return |
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298 } |
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299 defer tx.Rollback() |
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300 |
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301 var dummy bool |
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302 err = tx.QueryRowContext(ctx, hasPrintTemplateSQL, name, typ).Scan(&dummy) |
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303 |
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304 switch { |
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305 case err == sql.ErrNoRows: |
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306 err = mw.JSONError{ |
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307 Code: http.StatusNotFound, |
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308 Message: "No such template found", |
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309 } |
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310 return |
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311 case err != nil: |
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312 return |
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313 case !dummy: |
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314 err = mw.JSONError{ |
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315 Code: http.StatusInternalServerError, |
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316 Message: "Unexpected return value from database query", |
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317 } |
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318 return |
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319 } |
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320 data := pgtype.Bytea{Bytes: *in, Status: pgtype.Present} |
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321 |
3217
4c254651d80b
Added template types "map", "diagram", "report".
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322 if _, err = tx.ExecContext(ctx, updatePrintTemplateSQL, name, typ, &data); err != nil { |
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323 return |
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324 } |
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325 |
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326 if err = tx.Commit(); err != nil { |
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327 return |
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328 } |
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329 |
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330 jr = mw.JSONResult{ |
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331 Code: http.StatusOK, |
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332 Result: map[string]string{ |
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333 "updated": name, |
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334 }, |
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335 } |
2148
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336 return |
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337 } |