nextcloud /
server
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like User often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use User, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 44 | class User implements IUser { |
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| 45 | /** @var string $uid */ |
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| 46 | private $uid; |
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| 47 | |||
| 48 | /** @var string $displayName */ |
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| 49 | private $displayName; |
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| 50 | |||
| 51 | /** @var UserInterface $backend */ |
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| 52 | private $backend; |
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| 53 | |||
| 54 | /** @var bool $enabled */ |
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| 55 | private $enabled; |
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| 56 | |||
| 57 | /** @var Emitter|Manager $emitter */ |
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| 58 | private $emitter; |
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| 59 | |||
| 60 | /** @var string $home */ |
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| 61 | private $home; |
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| 62 | |||
| 63 | /** @var int $lastLogin */ |
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| 64 | private $lastLogin; |
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| 65 | |||
| 66 | /** @var \OCP\IConfig $config */ |
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| 67 | private $config; |
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| 68 | |||
| 69 | /** @var IAvatarManager */ |
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| 70 | private $avatarManager; |
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| 71 | |||
| 72 | /** @var IURLGenerator */ |
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| 73 | private $urlGenerator; |
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| 74 | |||
| 75 | /** |
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| 76 | * @param string $uid |
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| 77 | * @param UserInterface $backend |
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| 78 | * @param \OC\Hooks\Emitter $emitter |
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| 79 | * @param IConfig|null $config |
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| 80 | * @param IURLGenerator $urlGenerator |
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| 81 | */ |
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| 82 | public function __construct($uid, $backend, $emitter = null, IConfig $config = null, $urlGenerator = null) { |
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| 98 | |||
| 99 | /** |
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| 100 | * get the user id |
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| 101 | * |
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| 102 | * @return string |
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| 103 | */ |
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| 104 | public function getUID() { |
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| 107 | |||
| 108 | /** |
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| 109 | * get the display name for the user, if no specific display name is set it will fallback to the user id |
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| 110 | * |
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| 111 | * @return string |
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| 112 | */ |
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| 113 | public function getDisplayName() { |
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| 132 | |||
| 133 | /** |
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| 134 | * set the displayname for the user |
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| 135 | * |
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| 136 | * @param string $displayName |
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| 137 | * @return bool |
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| 138 | */ |
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| 139 | public function setDisplayName($displayName) { |
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| 152 | |||
| 153 | /** |
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| 154 | * set the email address of the user |
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| 155 | * |
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| 156 | * @param string|null $mailAddress |
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| 157 | * @return void |
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| 158 | * @since 9.0.0 |
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| 159 | */ |
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| 160 | public function setEMailAddress($mailAddress) { |
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| 168 | |||
| 169 | /** |
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| 170 | * returns the timestamp of the user's last login or 0 if the user did never |
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| 171 | * login |
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| 172 | * |
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| 173 | * @return int |
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| 174 | */ |
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| 175 | public function getLastLogin() { |
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| 178 | |||
| 179 | /** |
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| 180 | * updates the timestamp of the most recent login of this user |
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| 181 | */ |
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| 182 | public function updateLastLoginTimestamp() { |
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| 190 | |||
| 191 | /** |
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| 192 | * Delete the user |
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| 193 | * |
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| 194 | * @return bool |
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| 195 | */ |
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| 196 | public function delete() { |
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| 243 | |||
| 244 | /** |
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| 245 | * Set the password of the user |
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| 246 | * |
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| 247 | * @param string $password |
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| 248 | * @param string $recoveryPassword for the encryption app to reset encryption keys |
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| 249 | * @return bool |
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| 250 | */ |
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| 251 | public function setPassword($password, $recoveryPassword = null) { |
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| 265 | |||
| 266 | /** |
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| 267 | * get the users home folder to mount |
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| 268 | * |
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| 269 | * @return string |
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| 270 | */ |
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| 271 | public function getHome() { |
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| 283 | |||
| 284 | /** |
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| 285 | * Get the name of the backend class the user is connected with |
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| 286 | * |
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| 287 | * @return string |
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| 288 | */ |
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| 289 | public function getBackendClassName() { |
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| 295 | |||
| 296 | /** |
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| 297 | * check if the backend allows the user to change his avatar on Personal page |
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| 298 | * |
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| 299 | * @return bool |
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| 300 | */ |
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| 301 | public function canChangeAvatar() { |
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| 307 | |||
| 308 | /** |
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| 309 | * check if the backend supports changing passwords |
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| 310 | * |
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| 311 | * @return bool |
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| 312 | */ |
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| 313 | public function canChangePassword() { |
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| 316 | |||
| 317 | /** |
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| 318 | * check if the backend supports changing display names |
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| 319 | * |
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| 320 | * @return bool |
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| 321 | */ |
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| 322 | public function canChangeDisplayName() { |
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| 328 | |||
| 329 | /** |
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| 330 | * check if the user is enabled |
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| 331 | * |
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| 332 | * @return bool |
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| 333 | */ |
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| 334 | public function isEnabled() { |
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| 337 | |||
| 338 | /** |
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| 339 | * set the enabled status for the user |
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| 340 | * |
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| 341 | * @param bool $enabled |
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| 342 | */ |
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| 343 | public function setEnabled($enabled) { |
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| 348 | |||
| 349 | /** |
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| 350 | * get the users email address |
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| 351 | * |
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| 352 | * @return string|null |
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| 353 | * @since 9.0.0 |
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| 354 | */ |
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| 355 | public function getEMailAddress() { |
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| 358 | |||
| 359 | /** |
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| 360 | * get the users' quota |
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| 361 | * |
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| 362 | * @return string |
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| 363 | * @since 9.0.0 |
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| 364 | */ |
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| 365 | public function getQuota() { |
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| 372 | |||
| 373 | /** |
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| 374 | * set the users' quota |
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| 375 | * |
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| 376 | * @param string $quota |
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| 377 | * @return void |
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| 378 | * @since 9.0.0 |
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| 379 | */ |
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| 380 | public function setQuota($quota) { |
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| 388 | |||
| 389 | /** |
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| 390 | * get the avatar image if it exists |
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| 391 | * |
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| 392 | * @param int $size |
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| 393 | * @return IImage|null |
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| 394 | * @since 9.0.0 |
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| 395 | */ |
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| 396 | public function getAvatarImage($size) { |
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| 410 | |||
| 411 | /** |
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| 412 | * get the federation cloud id |
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| 413 | * |
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| 414 | * @return string |
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| 415 | * @since 9.0.0 |
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| 416 | */ |
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| 417 | public function getCloudId() { |
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| 423 | |||
| 424 | /** |
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| 425 | * @param string $url |
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| 426 | * @return string |
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| 427 | */ |
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| 428 | View Code Duplication | private function removeProtocolFromUrl($url) { |
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| 437 | |||
| 438 | public function triggerChange($feature, $value = null) { |
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| 443 | } |
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| 444 |
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This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.