Mercurial > gemma

annotate pkg/controllers/common.go @ 5688:6281c18b109f sr-v2

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Finsh serializing v2 meshes.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 12 Feb 2024 02:27:41 +0100
parents 5f47eeea988d
children 6270951dda28
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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) 2019 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package controllers
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15
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16 import (
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17 "fmt"
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18 "strconv"
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19 "strings"
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20
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21 "github.com/jackc/pgx/pgtype"
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22
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23 "gemma.intevation.de/gemma/pkg/log"
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24 )
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25
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26 type (
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27 filterNode interface {
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28 serialize(*strings.Builder, *[]interface{})
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29 }
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30
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31 filterTerm struct {
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32 format string
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33 args []interface{}
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34 }
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35
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36 filterNot struct {
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37 filterNode
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38 }
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39
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40 filterAnd []filterNode
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41 filterOr []filterNode
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42 )
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43
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44 func (ft *filterTerm) serialize(stmt *strings.Builder, args *[]interface{}) {
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45 indices := make([]interface{}, len(ft.args))
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46 for i := range indices {
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47 indices[i] = len(*args) + i + 1
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48 }
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49 fmt.Fprintf(stmt, ft.format, indices...)
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50 *args = append(*args, (*ft).args...)
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51 }
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52
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53 func buildFilterTerm(format string, args ...interface{}) *filterTerm {
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54 return &filterTerm{format: format, args: args}
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55 }
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56
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57 func (fa filterAnd) serialize(stmt *strings.Builder, args *[]interface{}) {
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58 for i, node := range fa {
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59 if i > 0 {
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60 stmt.WriteString(" AND ")
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61 }
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62 stmt.WriteByte('(')
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63 node.serialize(stmt, args)
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64 stmt.WriteByte(')')
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65 }
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66 }
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67
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68 func (fo filterOr) serialize(stmt *strings.Builder, args *[]interface{}) {
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69 for i, node := range fo {
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70 if i > 0 {
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71 stmt.WriteString(" OR ")
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72 }
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73 stmt.WriteByte('(')
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74 node.serialize(stmt, args)
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75 stmt.WriteByte(')')
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76 }
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77 }
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78
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79 func (fn *filterNot) serialize(stmt *strings.Builder, args *[]interface{}) {
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80 stmt.WriteString("NOT (")
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81 fn.filterNode.serialize(stmt, args)
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82 stmt.WriteByte(')')
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83 }
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84
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85 func toInt8Array(txt string) *pgtype.Int8Array {
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86 parts := strings.Split(txt, ",")
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87 var ints []int64
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88 for _, part := range parts {
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89 part = strings.TrimSpace(part)
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90 v, err := strconv.ParseInt(part, 10, 64)
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91 if err != nil {
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92 continue
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93 }
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94 ints = append(ints, v)
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95 }
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96 var ia pgtype.Int8Array
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97 if err := ia.Set(ints); err != nil {
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98 log.Warnf("%v\n", err)
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99 return nil
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100 }
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101 return &ia
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102 }
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103
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104 func sliceToTextArray(s []string) *pgtype.TextArray {
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105 if len(s) == 0 {
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106 return nil
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107 }
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108 var ta pgtype.TextArray
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109 if err := ta.Set(s); err != nil {
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110 log.Warnf("%v\n", err)
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111 return nil
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112 }
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113 return &ta
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114 }
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115
3217
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116 func toTextArray(txt string, allowed []string) *pgtype.TextArray {
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117 parts := strings.Split(txt, ",")
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118 var accepted []string
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119 for _, part := range parts {
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120 if part = strings.ToLower(strings.TrimSpace(part)); len(part) == 0 {
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121 continue
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122 }
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123 for _, a := range allowed {
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124 if part == a {
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125 accepted = append(accepted, part)
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126 break
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127 }
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128 }
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129 }
3776
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130 return sliceToTextArray(accepted)
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131 }
3776
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132
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133 func splitUpper(s string) []string {
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134 s = strings.Map(func(r rune) rune {
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135 if ('A' <= r && r <= 'Z') || r == ',' {
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136 return r
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137 }
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138 return -1
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139 }, strings.ToUpper(s))
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140 return strings.FieldsFunc(s, func(r rune) bool { return r != ',' })
6521c962a7b6 Add 'cc' parameter to search imports for a comma separated list of country codes for the the importing person.
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parents: 3217
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141 }