Complex classes like NginxController 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 NginxController, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class NginxController extends \hidev\controllers\CommonController |
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| 23 | { |
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| 24 | use \hiqdev\yii2\collection\ManagerTrait; |
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| 25 | |||
| 26 | protected $_logDir; |
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| 27 | protected $_etcDir; |
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| 28 | protected $_fpmSocket; |
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| 29 | |||
| 30 | public $defaultClass = VhostController::class; |
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| 31 | |||
| 32 | 1 | public function actionDoDump() |
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| 39 | |||
| 40 | 1 | public function actionDump() |
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| 44 | |||
| 45 | public function actionDeploy($aliases = []) |
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| 49 | |||
| 50 | public function actionDoDeploy() |
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| 69 | |||
| 70 | public function actionStart() |
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| 74 | |||
| 75 | public function actionStop() |
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| 79 | |||
| 80 | public function actionReload() |
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| 84 | |||
| 85 | public function actionRestart() |
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| 89 | |||
| 90 | public function actionStatus() |
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| 94 | |||
| 95 | public function make($operation, $sudo = true) |
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| 104 | |||
| 105 | public function actionMake() |
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| 109 | |||
| 110 | public function actionLetsencrypt() |
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| 114 | |||
| 115 | public function actionDoLetsencrypt() |
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| 133 | |||
| 134 | public function actionChmodSsl() |
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| 140 | |||
| 141 | public static function mkdir($path) |
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| 149 | |||
| 150 | /** |
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| 151 | * Prepares item config. |
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| 152 | */ |
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| 153 | 1 | public function getItemConfig($name = null, array $config = []) |
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| 161 | |||
| 162 | 1 | public function createItem($id, $config = []) |
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| 166 | |||
| 167 | public function setLogDir($value) |
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| 171 | |||
| 172 | 1 | public function getLogDir() |
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| 180 | |||
| 181 | public function setEtcDir($value) |
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| 185 | |||
| 186 | public function getEtcDir() |
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| 194 | |||
| 195 | public function findEtcDir() |
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| 206 | |||
| 207 | 1 | public function setFpmSocket($value) |
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| 211 | |||
| 212 | 1 | public function getFpmSocket() |
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| 220 | |||
| 221 | public function findFpmSocketFile() |
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| 232 | } |
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| 233 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.