Mercurial > gemma

annotate pkg/controllers/printtemplates.go @ 2153:cdd68f555ad7

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Print templates: Implemented /api/templates/print/{name} DELETE.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 08 Feb 2019 12:11:15 +0100
parents 2c67c51d57ad
children 51c5aead78c0
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 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 "database/sql"
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18 "net/http"
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19 "time"
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20
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21 "gemma.intevation.de/gemma/pkg/models"
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22 "github.com/gorilla/mux"
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23 )
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24
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25 const (
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26 listPrintTemplatesSQL = `
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27 SELECT
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28 template_name,
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29 date_info
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30 FROM
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31 users.templates
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32 ORDER BY date_info DESC`
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33
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34 hasPrintTemplateSQL = `
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35 SELECT true FROM users.templates WHERE name = $1`
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36
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37 deletePrintTemplateSQL = `
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38 DELETE FROM users.templates WHERE name = $1`
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39 )
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40
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41 func listPrintTemplates(
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42 _ interface{},
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43 req *http.Request,
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44 conn *sql.Conn,
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45 ) (jr JSONResult, err error) {
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46
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47 type template struct {
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48 Name string `json:"name"`
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49 Time models.Time `json:"time"`
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50 }
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51
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52 var rows *sql.Rows
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53 if rows, err = conn.QueryContext(req.Context(), listPrintTemplatesSQL); err != nil {
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54 return
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55 }
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56 defer rows.Close()
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57
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58 templates := []*template{}
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59
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60 for rows.Next() {
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61 var tmpl template
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62 var w time.Time
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63 if err = rows.Scan(&tmpl.Name, &w); err != nil {
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64 return
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65 }
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66 tmpl.Time = models.Time{w}
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67 templates = append(templates, &tmpl)
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68 }
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69
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70 jr = JSONResult{Result: templates}
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71 return
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72 }
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73
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74 func fetchPrintTemplate(
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75 _ interface{},
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76 req *http.Request,
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77 conn *sql.Conn,
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78 ) (jr JSONResult, err error) {
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79 // TODO: Implement me!
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80 return
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81 }
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82
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83 func createPrintTemplate(
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84 _ interface{},
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85 req *http.Request,
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86 conn *sql.Conn,
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87 ) (jr JSONResult, err error) {
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88 // TODO: Implement me!
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89 return
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90 }
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91
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92 func deletePrintTemplate(
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93 _ interface{},
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94 req *http.Request,
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95 conn *sql.Conn,
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96 ) (jr JSONResult, err error) {
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97
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98 ctx := req.Context()
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99
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100 name := mux.Vars(req)["name"]
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101
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102 var tx *sql.Tx
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103 if tx, err = conn.BeginTx(ctx, nil); err != nil {
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104 return
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105 }
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106 defer tx.Rollback()
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107
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108 var dummy bool
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109 err = tx.QueryRowContext(ctx, hasPrintTemplateSQL, name).Scan(&dummy)
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110
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111 switch {
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112 case err == sql.ErrNoRows:
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113 err = JSONError{
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114 Code: http.StatusNotFound,
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115 Message: "No such template found",
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116 }
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117 return
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118 case err != nil:
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119 return
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120 case !dummy:
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121 err = JSONError{
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122 Code: http.StatusInternalServerError,
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123 Message: "Unexpected return value from database query",
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124 }
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125 }
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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126
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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127 if _, err = tx.ExecContext(ctx, deletePrintTemplateSQL, name); err != nil {
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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128 return
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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129 }
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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130
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
131 if err = tx.Commit(); err != nil {
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
132 return
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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133 }
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
134
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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135 jr = JSONResult{
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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136 Result: map[string]string{
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
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137 "deleted": name,
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
138 },
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
139 }
cdd68f555ad7 Print templates: Implemented /api/templates/print/{name} DELETE.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2150
diff changeset
140
2148
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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141 return
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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142 }
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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143
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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144 func updatePrintTemplate(
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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145 _ interface{},
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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146 req *http.Request,
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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147 conn *sql.Conn,
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 ) (jr JSONResult, err error) {
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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149 // TODO: Implement me!
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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150 return
4057a1f15174 Print templates: Forget to add controller file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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151 }