Mercurial > gemma
annotate controllers/user.go @ 342:c6bd6ed18942
Use INSTEAD OF trigger for user deletion
As we already have this for updating, it's more symmetric to make
the whole thing look like a real table. TODO: make it happen also
for user creation.
author | Tom Gottfried <tom@intevation.de> |
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date | Mon, 06 Aug 2018 12:37:06 +0200 |
parents | 003243ec5ce5 |
children | 5b03f420957d |
rev | line source |
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Refactored gemma server to be more REST-like.
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1 package controllers |
186
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2 |
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3 import ( |
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4 "database/sql" |
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5 "fmt" |
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6 "net/http" |
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7 |
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No omitempty if JSON serialising PostgreSQL errors.
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8 "github.com/gorilla/mux" |
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9 |
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10 "gemma.intevation.de/gemma/auth" |
186
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11 ) |
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12 |
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13 const ( |
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14 createUserSQL = `SELECT sys_admin.create_user($1, $2, $3, $4, NULL, $5)` |
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15 createUserExtentSQL = `SELECT sys_admin.create_user($1, $2, $3, $4, |
188
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ST_SetSRID should be not need as the map extent column does not have any SRID code.
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16 ST_MakeBox2D(ST_Point($5, $6), ST_Point($7, $8)), $9)` |
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17 |
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Allow Waterway User to update a limited set of profile attributes
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18 updateUserUnprivSQL = `UPDATE users.list_users |
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19 SET (pw, map_extent, email_address) |
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20 = ($2, ST_MakeBox2D(ST_Point($3, $4), ST_Point($5, $6)), $7) |
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21 WHERE username = $1` |
307
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22 updateUserSQL = `UPDATE users.list_users |
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23 SET (rolname, username, pw, country, map_extent, email_address) |
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24 = ($2, $3, $4, $5, NULL, $6) |
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25 WHERE username = $1` |
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26 updateUserExtentSQL = `UPDATE users.list_users |
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27 SET (rolname, username, pw, country, map_extent, email_address) |
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28 = ($2, $3, $4, $5, ST_MakeBox2D(ST_Point($6, $7), ST_Point($8, $9)), $10) |
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29 WHERE username = $1` |
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30 |
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31 deleteUserSQL = `DELETE FROM users.list_users WHERE username = $1` |
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Implemented /users GET as list of users.
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32 |
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Implemented /users GET as list of users.
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33 listUsersSQL = `SELECT |
253
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The column in sys_admin.list_users is called rolname not rolename.
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34 rolname, |
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35 username, |
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36 country, |
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37 email_address, |
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38 ST_XMin(map_extent), ST_YMin(map_extent), |
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39 ST_XMax(map_extent), ST_YMax(map_extent) |
279
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list_users is now in users schema.
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40 FROM users.list_users` |
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41 |
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42 listUserSQL = `SELECT |
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43 rolname, |
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44 country, |
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45 email_address, |
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46 ST_XMin(map_extent), ST_YMin(map_extent), |
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47 ST_XMax(map_extent), ST_YMax(map_extent) |
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48 FROM users.list_users |
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49 WHERE username = $1` |
186
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Experimental user creation support.
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50 ) |
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51 |
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52 func deleteUser( |
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Mark input in user controllers as unused if they don't need a JSON input.
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53 _ interface{}, req *http.Request, |
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54 db *sql.DB, |
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55 ) (jr JSONResult, err error) { |
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56 |
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57 user := mux.Vars(req)["user"] |
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58 if user == "" { |
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59 err = JSONError{http.StatusBadRequest, "error: user empty"} |
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60 return |
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61 } |
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62 |
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63 session, _ := auth.GetSession(req) |
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64 if session.User == user { |
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65 err = JSONError{http.StatusBadRequest, "error: cannot delete yourself"} |
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66 return |
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67 } |
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68 |
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69 var res sql.Result |
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70 |
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71 if res, err = db.Exec(deleteUserSQL, user); err != nil { |
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72 return |
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73 } |
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74 |
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75 if n, err2 := res.RowsAffected(); err2 == nil && n == 0 { |
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76 err = JSONError{ |
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77 Code: http.StatusNotFound, |
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78 Message: fmt.Sprintf("Cannot find user %s.", user), |
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79 } |
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80 return |
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81 } |
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82 |
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83 // Running in a go routine should not be necessary. |
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84 go func() { auth.ConnPool.Logout(user) }() |
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85 |
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86 jr = JSONResult{Code: http.StatusNoContent} |
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87 return |
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88 } |
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89 |
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90 func updateUser( |
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91 input interface{}, req *http.Request, |
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92 db *sql.DB, |
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93 ) (jr JSONResult, err error) { |
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94 |
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95 user := mux.Vars(req)["user"] |
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96 if user == "" { |
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97 err = JSONError{http.StatusBadRequest, "error: user empty"} |
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98 return |
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99 } |
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100 |
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101 newUser := input.(*User) |
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102 var res sql.Result |
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103 |
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104 if s, _ := auth.GetSession(req); s.Roles.Has("sys_admin") { |
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105 if newUser.Extent == nil { |
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106 res, err = db.Exec( |
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107 updateUserSQL, |
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108 user, |
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109 newUser.Role, |
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110 newUser.User, |
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111 newUser.Password, |
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112 newUser.Country, |
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113 newUser.Email, |
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114 ) |
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115 } else { |
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116 res, err = db.Exec( |
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117 updateUserExtentSQL, |
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118 user, |
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119 newUser.Role, |
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120 newUser.User, |
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121 newUser.Password, |
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122 newUser.Country, |
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123 newUser.Extent.X1, newUser.Extent.Y1, |
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124 newUser.Extent.X2, newUser.Extent.Y2, |
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125 newUser.Email, |
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126 ) |
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127 } |
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128 } else { |
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129 if newUser.Extent == nil { |
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130 err = JSONError{http.StatusBadRequest, "extent is mandatory"} |
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131 return |
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132 } |
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133 res, err = db.Exec( |
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134 updateUserUnprivSQL, |
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135 user, |
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136 newUser.Password, |
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137 newUser.Extent.X1, newUser.Extent.Y1, |
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138 newUser.Extent.X2, newUser.Extent.Y2, |
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139 newUser.Email, |
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140 ) |
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141 } |
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142 |
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143 if err != nil { |
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144 return |
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145 } |
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146 |
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147 if n, err2 := res.RowsAffected(); err2 == nil && n == 0 { |
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148 err = JSONError{ |
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149 Code: http.StatusNotFound, |
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150 Message: fmt.Sprintf("Cannot find user %s.", user), |
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151 } |
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152 return |
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153 } |
186
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154 |
261
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155 if user != newUser.User { |
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156 // Running in a go routine should not be necessary. |
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157 go func() { auth.ConnPool.Logout(user) }() |
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158 } |
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159 |
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160 jr = JSONResult{ |
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161 Code: http.StatusCreated, |
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162 Result: struct { |
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163 Result string `json:"result"` |
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164 }{"success"}, |
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165 } |
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166 return |
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167 } |
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168 |
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169 func createUser( |
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170 input interface{}, req *http.Request, |
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171 db *sql.DB, |
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172 ) (jr JSONResult, err error) { |
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173 |
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174 user := input.(*User) |
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175 |
237
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176 if user.Extent == nil { |
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177 _, err = db.Exec( |
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178 createUserSQL, |
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179 user.Role, |
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180 user.User, |
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181 user.Password, |
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182 user.Country, |
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183 user.Email, |
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184 ) |
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185 } else { |
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186 _, err = db.Exec( |
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187 createUserExtentSQL, |
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188 user.Role, |
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189 user.User, |
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190 user.Password, |
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191 user.Country, |
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192 user.Extent.X1, user.Extent.Y1, |
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193 user.Extent.X2, user.Extent.Y2, |
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194 user.Email, |
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195 ) |
186
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196 } |
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197 |
187
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198 if err != nil { |
237
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199 return |
186
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200 } |
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201 |
237
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202 jr = JSONResult{ |
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203 Code: http.StatusCreated, |
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204 Result: struct { |
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205 Result string `json:"result"` |
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206 }{"success"}, |
186
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207 } |
237
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208 return |
186
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209 } |
250
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210 |
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211 func listUsers( |
288
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212 _ interface{}, req *http.Request, |
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213 db *sql.DB, |
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214 ) (jr JSONResult, err error) { |
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215 |
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216 var rows *sql.Rows |
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217 |
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218 rows, err = db.Query(listUsersSQL) |
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219 if err != nil { |
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220 return |
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221 } |
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222 defer rows.Close() |
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223 |
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224 var users []*User |
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225 |
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226 for rows.Next() { |
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227 user := &User{Extent: &BoundingBox{}} |
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228 if err = rows.Scan( |
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229 &user.Role, |
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230 &user.User, |
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231 &user.Country, |
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232 &user.Email, |
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233 &user.Extent.X1, &user.Extent.Y1, |
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234 &user.Extent.X2, &user.Extent.Y2, |
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235 ); err != nil { |
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236 return |
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237 } |
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238 users = append(users, user) |
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239 } |
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240 |
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241 jr = JSONResult{ |
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242 Result: struct { |
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243 Users []*User `json:"users"` |
314
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244 }{users}, |
250
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245 } |
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246 return |
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247 } |
254
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248 |
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249 func listUser( |
288
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250 _ interface{}, req *http.Request, |
257
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251 db *sql.DB, |
254
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252 ) (jr JSONResult, err error) { |
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253 |
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254 user := mux.Vars(req)["user"] |
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255 if user == "" { |
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256 err = JSONError{http.StatusBadRequest, "error: user empty"} |
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257 return |
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258 } |
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259 |
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260 result := &User{ |
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261 User: user, |
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262 Extent: &BoundingBox{}, |
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263 } |
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264 |
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265 err = db.QueryRow(listUserSQL, user).Scan( |
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266 &result.Role, |
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267 &result.Country, |
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268 &result.Email, |
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269 &result.Extent.X1, &result.Extent.Y1, |
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270 &result.Extent.X2, &result.Extent.Y2, |
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271 ) |
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272 |
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273 switch { |
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274 case err == sql.ErrNoRows: |
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275 err = JSONError{ |
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276 Code: http.StatusNotFound, |
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277 Message: fmt.Sprintf("Cannot find user %s.", user), |
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278 } |
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279 return |
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280 case err != nil: |
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281 return |
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282 } |
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283 |
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284 jr.Result = result |
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285 return |
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286 } |