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annotate pkg/models/types.go @ 442:fc37e7072022

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Moved some models used in controllers to to model package because they may be needed elsewhere (e.g. GeoServer config).
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 21 Aug 2018 16:57:55 +0200
parents pkg/controllers/types.go@ffdb507d5b42
children 73c7b2d6246e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
442
fc37e7072022 Moved some models used in controllers to to model package because they may be needed elsewhere (e.g. GeoServer config).
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1 package models
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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 "gemma.intevation.de/gemma/pkg/auth"
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11 )
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12
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13 type (
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14 Email string
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15 Country string
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16 Role string
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17 UserName string
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18
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19 BoundingBox struct {
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20 X1 float64 `json:"x1"`
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21 Y1 float64 `json:"y1"`
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22 X2 float64 `json:"x2"`
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23 Y2 float64 `json:"y2"`
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24 }
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25
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26 User struct {
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27 User UserName `json:"user"`
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28 Role Role `json:"role"`
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29 Password string `json:"password,omitempty"`
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30 Email Email `json:"email"`
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31 Country Country `json:"country"`
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32 Extent *BoundingBox `json:"extent"`
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33 }
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34
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35 PWResetUser struct {
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36 User string `json:"user"`
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37 }
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38 )
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40 var (
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41 // https://stackoverflow.com/questions/201323/how-to-validate-an-email-address-using-a-regular-expression
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42 emailRe = regexp.MustCompile(
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43 `(?:[a-z0-9!#$%&'*+/=?^_` + "`" +
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44 `{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_` + "`" +
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45 `{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]` +
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46 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")` +
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47 `@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?` +
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48 `|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}` +
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49 `(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]` +
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50 `:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]` +
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51 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])`)
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52
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53 errNoEmailAddress = errors.New("Not a valid email address")
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54 errNoString = errors.New("Not a string")
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55 )
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56
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57 func (e *Email) UnmarshalJSON(data []byte) error {
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58 var s string
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59 if err := json.Unmarshal(data, &s); err != nil {
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60 return err
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61 }
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62 if !emailRe.MatchString(s) {
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63 return errNoEmailAddress
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64 }
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65 *e = Email(s)
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66 return nil
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67 }
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68
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69 func (e Email) Value() (driver.Value, error) {
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70 return string(e), nil
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71 }
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72
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73 func (e *Email) Scan(src interface{}) (err error) {
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74 if s, ok := src.(string); ok {
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75 *e = Email(s)
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76 } else {
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77 err = errNoString
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78 }
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79 return
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80 }
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81
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82 var errNoValidUser = errors.New("Not a valid user")
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83
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84 func (u UserName) IsValid() bool {
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85 return u != "" &&
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86 !strings.ContainsAny(string(u), auth.InvalidRoleCharacters)
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87 }
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88
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89 func (u *UserName) UnmarshalJSON(data []byte) error {
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90 var s string
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91 if err := json.Unmarshal(data, &s); err != nil {
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92 return err
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93 }
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94 if !emailRe.MatchString(s) {
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95 return errNoEmailAddress
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96 }
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97 user := UserName(s)
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98 if !user.IsValid() {
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99 return errNoValidUser
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100 }
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101 *u = user
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102 return nil
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103 }
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104
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105 func (u *UserName) Scan(src interface{}) (err error) {
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106 if s, ok := src.(string); ok {
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107 *u = UserName(s)
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108 } else {
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109 err = errNoString
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110 }
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111 return
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112 }
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113
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114 var (
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115 validCountries = []string{
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116 "AT", "BG", "DE", "HU", "HR",
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117 "MD", "RO", "RS", "SK", "UA",
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118 }
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119 errNoValidCountry = errors.New("Not a valid country")
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120 )
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121
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122 func (c *Country) UnmarshalJSON(data []byte) error {
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123 var s string
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124 if err := json.Unmarshal(data, &s); err != nil {
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125 return err
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126 }
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127 s = strings.ToUpper(s)
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128 for _, v := range validCountries {
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129 if v == s {
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130 *c = Country(v)
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131 return nil
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132 }
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133 }
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134 return errNoValidCountry
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135 }
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136
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137 func (c Country) Value() (driver.Value, error) {
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138 return string(c), nil
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139 }
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140
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141 func (c *Country) Scan(src interface{}) (err error) {
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142 if s, ok := src.(string); ok {
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143 *c = Country(s)
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144 } else {
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145 err = errNoString
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146 }
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147 return
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148 }
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149
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150 var (
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151 validRoles = []string{
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152 "waterway_user",
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153 "waterway_admin",
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154 "sys_admin",
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155 }
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156 errNoValidRole = errors.New("Not a valid role")
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157 )
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158
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159 func (r Role) Value() (driver.Value, error) {
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160 return string(r), nil
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161 }
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162
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163 func (r *Role) Scan(src interface{}) (err error) {
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164 if s, ok := src.(string); ok {
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165 *r = Role(s)
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166 } else {
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167 err = errNoString
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168 }
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169 return
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170 }
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171
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172 func (r *Role) UnmarshalJSON(data []byte) error {
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173 var s string
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174 if err := json.Unmarshal(data, &s); err != nil {
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175 return err
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176 }
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177 s = strings.ToLower(s)
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178 for _, v := range validRoles {
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179 if v == s {
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180 *r = Role(v)
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181 return nil
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182 }
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183 }
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184 return errNoValidRole
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185 }