Complex classes like ProfileController 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 ProfileController, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
||
| 29 | class ProfileController extends Controller |
||
| 30 | { |
||
| 31 | /** |
||
| 32 | * @return array |
||
| 33 | */ |
||
| 34 | public function behaviors() |
||
| 46 | |||
| 47 | /** |
||
| 48 | * @return string |
||
| 49 | * @throws NotFoundHttpException |
||
| 50 | */ |
||
| 51 | public function actionIndex() |
||
| 57 | |||
| 58 | /** |
||
| 59 | * @return array|string|Response |
||
| 60 | * @throws NotFoundHttpException |
||
| 61 | */ |
||
| 62 | public function actionUpdate() |
||
| 72 | |||
| 73 | /** |
||
| 74 | * @return array|string|Response |
||
| 75 | * @throws NotFoundHttpException |
||
| 76 | */ |
||
| 77 | public function actionUpdatePassword() |
||
| 93 | |||
| 94 | /** |
||
| 95 | * @return string|Response |
||
| 96 | * @throws NotFoundHttpException |
||
| 97 | */ |
||
| 98 | public function actionUpdateProfile() |
||
| 110 | |||
| 111 | /** |
||
| 112 | * @return string|Response |
||
| 113 | * @throws NotFoundHttpException |
||
| 114 | */ |
||
| 115 | public function actionUpdateAvatar() |
||
| 138 | |||
| 139 | /** |
||
| 140 | * Deletes an existing User model. |
||
| 141 | * This delete set status blocked, is successful, logout and the browser will be redirected to the 'home' page. |
||
| 142 | * @return mixed |
||
| 143 | */ |
||
| 144 | public function actionDelete() |
||
| 153 | |||
| 154 | /** |
||
| 155 | * Logs in a user. |
||
| 156 | * |
||
| 157 | * @return mixed |
||
| 158 | */ |
||
| 159 | public function actionLogin() |
||
| 174 | |||
| 175 | /** |
||
| 176 | * Logs out the current user. |
||
| 177 | * |
||
| 178 | * @return mixed |
||
| 179 | */ |
||
| 180 | public function actionLogout() |
||
| 186 | |||
| 187 | /** |
||
| 188 | * Signs user up. |
||
| 189 | * |
||
| 190 | * @return mixed |
||
| 191 | */ |
||
| 192 | public function actionSignup() |
||
| 206 | |||
| 207 | /** |
||
| 208 | * @param $token |
||
| 209 | * @return \yii\web\Response |
||
| 210 | * @throws BadRequestHttpException |
||
| 211 | */ |
||
| 212 | public function actionEmailConfirm($token) |
||
| 228 | |||
| 229 | /** |
||
| 230 | * Requests password reset. |
||
| 231 | * |
||
| 232 | * @return mixed |
||
| 233 | */ |
||
| 234 | public function actionRequestPasswordReset() |
||
| 251 | |||
| 252 | /** |
||
| 253 | * Resets password. |
||
| 254 | * |
||
| 255 | * @param string $token |
||
| 256 | * @return mixed |
||
| 257 | * @throws BadRequestHttpException |
||
| 258 | */ |
||
| 259 | public function actionResetPassword($token) |
||
| 277 | |||
| 278 | /** |
||
| 279 | * Finds the User model based on its primary key value. |
||
| 280 | * If the model is not found, a 404 HTTP exception will be thrown. |
||
| 281 | * @return User the loaded model |
||
| 282 | * @throws NotFoundHttpException if the model cannot be found |
||
| 283 | */ |
||
| 284 | protected function findModel() |
||
| 293 | } |
||
| 294 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.