Mercurial > gemma

annotate controllers/types.go @ 287:be6e60fca3dd

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Separated the type definitions from the user controller code.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 31 Jul 2018 11:27:45 +0200
parents
children 0777aa6de45b
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rev   line source
287
be6e60fca3dd Separated the type definitions from the user controller code.
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1 package controllers
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2
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3 import (
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4 "database/sql/driver"
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5 "encoding/json"
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6 "errors"
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7 "regexp"
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8 "strings"
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9 )
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10
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11 type (
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12 Email string
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13 Country string
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14 Role string
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15
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16 BoundingBox struct {
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17 X1 float64 `json:"x1"`
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18 Y1 float64 `json:"y1"`
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19 X2 float64 `json:"x2"`
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20 Y2 float64 `json:"y2"`
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21 }
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22
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23 User struct {
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24 User string `json:"user"`
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25 Role Role `json:"role"`
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26 Password string `json:"password,omitempty"`
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27 Email Email `json:"email"`
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28 Country Country `json:"country"`
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29 Extent *BoundingBox `json:"extent"`
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30 }
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31 )
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32
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33 var (
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34 // https://stackoverflow.com/questions/201323/how-to-validate-an-email-address-using-a-regular-expression
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35 emailRe = regexp.MustCompile(
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36 `(?:[a-z0-9!#$%&'*+/=?^_` + "`" +
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37 `{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_` + "`" +
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38 `{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]` +
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39 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")` +
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40 `@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?` +
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41 `|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}` +
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42 `(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]` +
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43 `:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]` +
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44 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])`)
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45
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46 errNoEmailAddress = errors.New("Not a valid email address")
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47 errNoString = errors.New("Not a string")
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48 )
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49
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50 func (e *Email) UnmarshalJSON(data []byte) error {
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51 var s string
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52 if err := json.Unmarshal(data, &s); err != nil {
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53 return err
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54 }
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55 if !emailRe.MatchString(s) {
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56 return errNoEmailAddress
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57 }
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58 *e = Email(s)
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59 return nil
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60 }
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61
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62 func (e Email) Value() (driver.Value, error) {
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63 return string(e), nil
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64 }
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65
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66 func (e *Email) Scan(src interface{}) (err error) {
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67 if s, ok := src.(string); ok {
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68 *e = Email(s)
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69 } else {
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70 err = errNoString
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71 }
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72 return
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73 }
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74
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75 var (
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76 validCountries = []string{
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77 "AT", "BG", "DE", "HU", "HR",
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78 "MD", "RO", "RS", "SK", "UA",
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79 }
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80 errNoValidCountry = errors.New("Not a valid country")
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81 )
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82
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83 func (c *Country) UnmarshalJSON(data []byte) error {
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84 var s string
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85 if err := json.Unmarshal(data, &s); err != nil {
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86 return err
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87 }
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88 s = strings.ToUpper(s)
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89 for _, v := range validCountries {
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90 if v == s {
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91 *c = Country(v)
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92 return nil
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93 }
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94 }
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95 return errNoValidCountry
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96 }
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97
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98 func (c Country) Value() (driver.Value, error) {
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99 return string(c), nil
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100 }
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101
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102 func (c *Country) Scan(src interface{}) (err error) {
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103 if s, ok := src.(string); ok {
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104 *c = Country(s)
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105 } else {
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106 err = errNoString
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107 }
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108 return
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109 }
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110
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111 var (
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112 validRoles = []string{
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113 "waterway_user",
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114 "waterway_admin",
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115 "sys_admin",
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116 }
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117 errNoValidRole = errors.New("Not a valid role")
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118 )
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119
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120 func (r Role) Value() (driver.Value, error) {
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121 return string(r), nil
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122 }
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123
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124 func (r *Role) Scan(src interface{}) (err error) {
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125 if s, ok := src.(string); ok {
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126 *r = Role(s)
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127 } else {
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128 err = errNoString
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129 }
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130 return
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131 }
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132
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133 func (r *Role) UnmarshalJSON(data []byte) error {
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134 var s string
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135 if err := json.Unmarshal(data, &s); err != nil {
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136 return err
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137 }
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138 s = strings.ToLower(s)
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139 for _, v := range validRoles {
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140 if v == s {
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141 *r = Role(v)
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142 return nil
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143 }
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144 }
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145 return errNoValidRole
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146 }