z-song /
laravel-admin
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 Form 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 Form, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 71 | class Form |
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| 72 | { |
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| 73 | /** |
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| 74 | * Eloquent model of the form. |
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| 75 | * |
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| 76 | * @var Model |
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| 77 | */ |
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| 78 | protected $model; |
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| 79 | |||
| 80 | /** |
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| 81 | * @var \Illuminate\Validation\Validator |
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| 82 | */ |
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| 83 | protected $validator; |
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| 84 | |||
| 85 | /** |
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| 86 | * @var Builder |
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| 87 | */ |
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| 88 | protected $builder; |
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| 89 | |||
| 90 | /** |
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| 91 | * Submitted callback. |
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| 92 | * |
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| 93 | * @var Closure |
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| 94 | */ |
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| 95 | protected $submitted; |
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| 96 | |||
| 97 | /** |
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| 98 | * Saving callback. |
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| 99 | * |
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| 100 | * @var Closure |
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| 101 | */ |
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| 102 | protected $saving; |
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| 103 | |||
| 104 | /** |
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| 105 | * Saved callback. |
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| 106 | * |
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| 107 | * @var Closure |
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| 108 | */ |
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| 109 | protected $saved; |
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| 110 | |||
| 111 | /** |
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| 112 | * Data for save to current model from input. |
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| 113 | * |
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| 114 | * @var array |
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| 115 | */ |
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| 116 | protected $updates = []; |
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| 117 | |||
| 118 | /** |
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| 119 | * Data for save to model's relations from input. |
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| 120 | * |
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| 121 | * @var array |
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| 122 | */ |
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| 123 | protected $relations = []; |
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| 124 | |||
| 125 | /** |
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| 126 | * Input data. |
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| 127 | * |
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| 128 | * @var array |
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| 129 | */ |
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| 130 | protected $inputs = []; |
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| 131 | |||
| 132 | /** |
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| 133 | * Available fields. |
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| 134 | * |
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| 135 | * @var array |
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| 136 | */ |
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| 137 | public static $availableFields = []; |
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| 138 | |||
| 139 | /** |
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| 140 | * Ignored saving fields. |
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| 141 | * |
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| 142 | * @var array |
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| 143 | */ |
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| 144 | protected $ignored = []; |
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| 145 | |||
| 146 | /** |
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| 147 | * Collected field assets. |
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| 148 | * |
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| 149 | * @var array |
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| 150 | */ |
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| 151 | protected static $collectedAssets = []; |
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| 152 | |||
| 153 | /** |
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| 154 | * @var Form\Tab |
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| 155 | */ |
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| 156 | protected $tab = null; |
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| 157 | |||
| 158 | /** |
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| 159 | * Remove flag in `has many` form. |
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| 160 | */ |
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| 161 | const REMOVE_FLAG_NAME = '_remove_'; |
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| 162 | |||
| 163 | /** |
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| 164 | * Field rows in form. |
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| 165 | * |
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| 166 | * @var array |
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| 167 | */ |
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| 168 | public $rows = []; |
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| 169 | |||
| 170 | /** |
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| 171 | * Create a new form instance. |
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| 172 | * |
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| 173 | * @param $model |
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| 174 | * @param \Closure $callback |
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| 175 | */ |
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| 176 | public function __construct($model, Closure $callback) |
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| 184 | |||
| 185 | /** |
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| 186 | * @param Field $field |
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| 187 | * |
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| 188 | * @return $this |
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| 189 | */ |
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| 190 | public function pushField(Field $field) |
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| 198 | |||
| 199 | /** |
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| 200 | * @return Model |
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| 201 | */ |
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| 202 | public function model() |
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| 206 | |||
| 207 | /** |
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| 208 | * @return Builder |
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| 209 | */ |
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| 210 | public function builder() |
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| 214 | |||
| 215 | /** |
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| 216 | * Generate a edit form. |
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| 217 | * |
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| 218 | * @param $id |
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| 219 | * |
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| 220 | * @return $this |
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| 221 | */ |
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| 222 | public function edit($id) |
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| 231 | |||
| 232 | /** |
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| 233 | * @param $id |
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| 234 | * |
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| 235 | * @return $this |
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| 236 | */ |
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| 237 | public function view($id) |
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| 246 | |||
| 247 | /** |
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| 248 | * Use tab to split form. |
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| 249 | * |
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| 250 | * @param string $title |
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| 251 | * @param Closure $content |
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| 252 | * |
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| 253 | * @return $this |
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| 254 | */ |
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| 255 | public function tab($title, Closure $content, $active = false) |
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| 261 | |||
| 262 | /** |
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| 263 | * Get Tab instance. |
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| 264 | * |
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| 265 | * @return Tab |
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| 266 | */ |
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| 267 | public function getTab() |
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| 275 | |||
| 276 | /** |
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| 277 | * Destroy data entity and remove files. |
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| 278 | * |
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| 279 | * @param $id |
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| 280 | * |
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| 281 | * @return mixed |
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| 282 | */ |
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| 283 | public function destroy($id) |
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| 297 | |||
| 298 | /** |
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| 299 | * Remove files or images in record. |
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| 300 | * |
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| 301 | * @param $id |
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| 302 | */ |
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| 303 | protected function deleteFilesAndImages($id) |
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| 316 | |||
| 317 | /** |
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| 318 | * Store a new record. |
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| 319 | * |
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| 320 | * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector|\Illuminate\Http\JsonResponse |
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| 321 | */ |
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| 322 | public function store() |
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| 357 | |||
| 358 | /** |
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| 359 | * Get RedirectResponse after store. |
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| 360 | * |
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| 361 | * @return \Illuminate\Http\RedirectResponse |
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| 362 | */ |
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| 363 | View Code Duplication | protected function redirectAfterStore() |
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| 371 | |||
| 372 | /** |
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| 373 | * Get ajax response. |
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| 374 | * |
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| 375 | * @param string $message |
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| 376 | * |
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| 377 | * @return bool|\Illuminate\Http\JsonResponse |
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| 378 | */ |
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| 379 | protected function ajaxResponse($message) |
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| 393 | |||
| 394 | /** |
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| 395 | * Prepare input data for insert or update. |
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| 396 | * |
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| 397 | * @param array $data |
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| 398 | * |
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| 399 | * @return mixed |
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| 400 | */ |
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| 401 | protected function prepare($data = []) |
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| 417 | |||
| 418 | /** |
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| 419 | * Remove ignored fields from input. |
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| 420 | * |
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| 421 | * @param array $input |
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| 422 | * |
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| 423 | * @return array |
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| 424 | */ |
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| 425 | protected function removeIgnoredFields($input) |
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| 431 | |||
| 432 | /** |
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| 433 | * Get inputs for relations. |
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| 434 | * |
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| 435 | * @param array $inputs |
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| 436 | * |
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| 437 | * @return array |
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| 438 | */ |
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| 439 | protected function getRelationInputs($inputs = []) |
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| 455 | |||
| 456 | /** |
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| 457 | * Call submitted callback. |
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| 458 | * |
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| 459 | * @return mixed |
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| 460 | */ |
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| 461 | protected function callSubmitted() |
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| 467 | |||
| 468 | /** |
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| 469 | * Call saving callback. |
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| 470 | * |
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| 471 | * @return mixed |
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| 472 | */ |
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| 473 | protected function callSaving() |
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| 479 | |||
| 480 | /** |
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| 481 | * Callback after saving a Model. |
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| 482 | * |
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| 483 | * @param Closure|null $callback |
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| 484 | * |
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| 485 | * @return mixed|null |
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| 486 | */ |
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| 487 | protected function complete(Closure $callback = null) |
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| 493 | |||
| 494 | /** |
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| 495 | * Handle update. |
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| 496 | * |
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| 497 | * @param int $id |
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| 498 | * |
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| 499 | * @return \Symfony\Component\HttpFoundation\Response |
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| 500 | */ |
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| 501 | public function update($id, $data = null) |
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| 502 | { |
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| 503 | $data = ($data) ?: Input::all(); |
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| 504 | |||
| 505 | $isEditable = $this->isEditable($data); |
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| 506 | |||
| 507 | $data = $this->handleEditable($data); |
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| 508 | |||
| 509 | $data = $this->handleFileDelete($data); |
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| 510 | |||
| 511 | if ($this->handleOrderable($id, $data)) { |
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| 512 | return response([ |
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| 513 | 'status' => true, |
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| 514 | 'message' => trans('admin.update_succeeded'), |
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| 515 | ]); |
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| 516 | } |
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| 517 | |||
| 518 | /* @var Model $this->model */ |
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| 519 | $this->model = $this->model->with($this->getRelations())->findOrFail($id); |
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| 520 | |||
| 521 | $this->setFieldOriginalValue(); |
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| 522 | |||
| 523 | // Handle validation errors. |
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| 524 | if ($validationMessages = $this->validationMessages($data)) { |
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| 525 | if (!$isEditable) { |
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| 526 | return back()->withInput()->withErrors($validationMessages); |
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| 527 | } else { |
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| 528 | return response()->json(['errors' => array_dot($validationMessages->getMessages())], 422); |
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| 529 | } |
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| 530 | } |
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| 531 | |||
| 532 | if (($response = $this->prepare($data)) instanceof Response) { |
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| 533 | return $response; |
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| 534 | } |
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| 535 | |||
| 536 | View Code Duplication | DB::transaction(function () { |
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| 537 | $updates = $this->prepareUpdate($this->updates); |
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| 538 | |||
| 539 | foreach ($updates as $column => $value) { |
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| 540 | /* @var Model $this->model */ |
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| 541 | $this->model->setAttribute($column, $value); |
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| 542 | } |
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| 543 | |||
| 544 | $this->model->save(); |
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| 545 | |||
| 546 | $this->updateRelation($this->relations); |
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| 547 | }); |
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| 548 | |||
| 549 | if (($result = $this->complete($this->saved)) instanceof Response) { |
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| 550 | return $result; |
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| 551 | } |
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| 552 | |||
| 553 | if ($response = $this->ajaxResponse(trans('admin.update_succeeded'))) { |
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| 554 | return $response; |
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| 555 | } |
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| 556 | |||
| 557 | return $this->redirectAfterUpdate(); |
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| 558 | } |
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| 559 | |||
| 560 | /** |
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| 561 | * Get RedirectResponse after update. |
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| 562 | * |
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| 563 | * @return \Illuminate\Http\RedirectResponse |
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| 564 | */ |
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| 565 | View Code Duplication | protected function redirectAfterUpdate() |
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| 573 | |||
| 574 | /** |
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| 575 | * Check if request is from editable. |
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| 576 | * |
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| 577 | * @param array $input |
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| 578 | * |
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| 579 | * @return bool |
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| 580 | */ |
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| 581 | protected function isEditable(array $input = []) |
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| 585 | |||
| 586 | /** |
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| 587 | * Handle editable update. |
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| 588 | * |
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| 589 | * @param array $input |
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| 590 | * |
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| 591 | * @return array |
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| 592 | */ |
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| 593 | protected function handleEditable(array $input = []) |
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| 605 | |||
| 606 | /** |
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| 607 | * @param array $input |
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| 608 | * |
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| 609 | * @return array |
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| 610 | */ |
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| 611 | protected function handleFileDelete(array $input = []) |
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| 622 | |||
| 623 | /** |
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| 624 | * Handle orderable update. |
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| 625 | * |
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| 626 | * @param int $id |
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| 627 | * @param array $input |
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| 628 | * |
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| 629 | * @return bool |
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| 630 | */ |
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| 631 | protected function handleOrderable($id, array $input = []) |
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| 645 | |||
| 646 | /** |
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| 647 | * Update relation data. |
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| 648 | * |
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| 649 | * @param array $relationsData |
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| 650 | * |
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| 651 | * @return void |
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| 652 | */ |
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| 653 | protected function updateRelation($relationsData) |
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| 731 | |||
| 732 | /** |
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| 733 | * Prepare input data for update. |
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| 734 | * |
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| 735 | * @param array $updates |
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| 736 | * @param bool $oneToOneRelation If column is one-to-one relation. |
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| 737 | * |
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| 738 | * @return array |
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| 739 | */ |
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| 740 | protected function prepareUpdate(array $updates, $oneToOneRelation = false) |
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| 741 | { |
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| 742 | $prepared = []; |
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| 743 | |||
| 744 | foreach ($this->builder->fields() as $field) { |
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| 745 | $columns = $field->column(); |
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| 746 | |||
| 747 | // If column not in input array data, then continue. |
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| 748 | if (!array_has($updates, $columns)) { |
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| 749 | continue; |
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| 750 | } |
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| 751 | |||
| 752 | if ($this->invalidColumn($columns, $oneToOneRelation)) { |
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| 753 | continue; |
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| 754 | } |
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| 755 | |||
| 756 | $value = $this->getDataByColumn($updates, $columns); |
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| 757 | |||
| 758 | $value = $field->prepare($value); |
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| 759 | |||
| 760 | View Code Duplication | if (is_array($columns)) { |
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| 761 | foreach ($columns as $name => $column) { |
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| 762 | array_set($prepared, $column, $value[$name]); |
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| 763 | } |
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| 764 | } elseif (is_string($columns)) { |
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| 765 | array_set($prepared, $columns, $value); |
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| 766 | } |
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| 767 | } |
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| 768 | |||
| 769 | return $prepared; |
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| 770 | } |
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| 771 | |||
| 772 | /** |
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| 773 | * @param string|array $columns |
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| 774 | * @param bool $oneToOneRelation |
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| 775 | * |
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| 776 | * @return bool |
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| 777 | */ |
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| 778 | protected function invalidColumn($columns, $oneToOneRelation = false) |
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| 789 | |||
| 790 | /** |
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| 791 | * Prepare input data for insert. |
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| 792 | * |
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| 793 | * @param $inserts |
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| 794 | * |
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| 795 | * @return array |
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| 796 | */ |
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| 797 | protected function prepareInsert($inserts) |
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| 820 | |||
| 821 | /** |
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| 822 | * Is input data is has-one relation. |
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| 823 | * |
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| 824 | * @param array $inserts |
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| 825 | * |
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| 826 | * @return bool |
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| 827 | */ |
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| 828 | protected function isHasOneRelation($inserts) |
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| 842 | |||
| 843 | /** |
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| 844 | * Set submitted callback. |
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| 845 | * |
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| 846 | * @param Closure $callback |
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| 847 | * |
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| 848 | * @return void |
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| 849 | */ |
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| 850 | public function submitted(Closure $callback) |
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| 854 | |||
| 855 | /** |
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| 856 | * Set saving callback. |
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| 857 | * |
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| 858 | * @param Closure $callback |
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| 859 | * |
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| 860 | * @return void |
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| 861 | */ |
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| 862 | public function saving(Closure $callback) |
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| 866 | |||
| 867 | /** |
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| 868 | * Set saved callback. |
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| 869 | * |
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| 870 | * @param callable $callback |
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| 871 | * |
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| 872 | * @return void |
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| 873 | */ |
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| 874 | public function saved(Closure $callback) |
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| 878 | |||
| 879 | /** |
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| 880 | * Ignore fields to save. |
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| 881 | * |
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| 882 | * @param string|array $fields |
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| 883 | * |
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| 884 | * @return $this |
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| 885 | */ |
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| 886 | public function ignore($fields) |
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| 892 | |||
| 893 | /** |
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| 894 | * @param array $data |
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| 895 | * @param string|array $columns |
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| 896 | * |
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| 897 | * @return array|mixed |
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| 898 | */ |
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| 899 | View Code Duplication | protected function getDataByColumn($data, $columns) |
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| 917 | |||
| 918 | /** |
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| 919 | * Find field object by column. |
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| 920 | * |
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| 921 | * @param $column |
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| 922 | * |
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| 923 | * @return mixed |
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| 924 | */ |
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| 925 | protected function getFieldByColumn($column) |
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| 937 | |||
| 938 | /** |
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| 939 | * Set original data for each field. |
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| 940 | * |
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| 941 | * @return void |
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| 942 | */ |
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| 943 | protected function setFieldOriginalValue() |
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| 953 | |||
| 954 | /** |
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| 955 | * Set all fields value in form. |
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| 956 | * |
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| 957 | * @param $id |
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| 958 | * |
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| 959 | * @return void |
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| 960 | */ |
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| 961 | protected function setFieldValue($id) |
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| 975 | |||
| 976 | /** |
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| 977 | * Don't snake case attributes. |
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| 978 | * |
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| 979 | * @param Model $model |
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| 980 | * |
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| 981 | * @return void |
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| 982 | */ |
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| 983 | protected static function doNotSnakeAttributes(Model $model) |
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| 989 | |||
| 990 | /** |
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| 991 | * Get validation messages. |
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| 992 | * |
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| 993 | * @param array $input |
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| 994 | * |
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| 995 | * @return MessageBag|bool |
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| 996 | */ |
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| 997 | protected function validationMessages($input) |
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| 1015 | |||
| 1016 | /** |
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| 1017 | * Merge validation messages from input validators. |
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| 1018 | * |
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| 1019 | * @param \Illuminate\Validation\Validator[] $validators |
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| 1020 | * |
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| 1021 | * @return MessageBag |
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| 1022 | */ |
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| 1023 | protected function mergeValidationMessages($validators) |
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| 1033 | |||
| 1034 | /** |
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| 1035 | * Get all relations of model from callable. |
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| 1036 | * |
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| 1037 | * @return array |
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| 1038 | */ |
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| 1039 | public function getRelations() |
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| 1065 | |||
| 1066 | /** |
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| 1067 | * Set action for form. |
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| 1068 | * |
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| 1069 | * @param string $action |
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| 1070 | * |
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| 1071 | * @return $this |
||
| 1072 | */ |
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| 1073 | public function setAction($action) |
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| 1079 | |||
| 1080 | /** |
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| 1081 | * Set field and label width in current form. |
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| 1082 | * |
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| 1083 | * @param int $fieldWidth |
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| 1084 | * @param int $labelWidth |
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| 1085 | * |
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| 1086 | * @return $this |
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| 1087 | */ |
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| 1088 | public function setWidth($fieldWidth = 8, $labelWidth = 2) |
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| 1099 | |||
| 1100 | /** |
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| 1101 | * Set view for form. |
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| 1102 | * |
||
| 1103 | * @param string $view |
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| 1104 | * |
||
| 1105 | * @return $this |
||
| 1106 | */ |
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| 1107 | public function setView($view) |
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| 1113 | |||
| 1114 | /** |
||
| 1115 | * Set title for form. |
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| 1116 | * |
||
| 1117 | * @param string $title |
||
| 1118 | * |
||
| 1119 | * @return $this |
||
| 1120 | */ |
||
| 1121 | public function setTitle($title = '') |
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| 1127 | |||
| 1128 | /** |
||
| 1129 | * Add a row in form. |
||
| 1130 | * |
||
| 1131 | * @param Closure $callback |
||
| 1132 | * |
||
| 1133 | * @return $this |
||
| 1134 | */ |
||
| 1135 | public function row(Closure $callback) |
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| 1141 | |||
| 1142 | /** |
||
| 1143 | * Tools setting for form. |
||
| 1144 | * |
||
| 1145 | * @param Closure $callback |
||
| 1146 | */ |
||
| 1147 | public function tools(Closure $callback) |
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| 1151 | |||
| 1152 | /** |
||
| 1153 | * Disable form submit. |
||
| 1154 | * |
||
| 1155 | * @return $this |
||
| 1156 | */ |
||
| 1157 | public function disableSubmit() |
||
| 1163 | |||
| 1164 | /** |
||
| 1165 | * Disable form reset. |
||
| 1166 | * |
||
| 1167 | * @return $this |
||
| 1168 | */ |
||
| 1169 | public function disableReset() |
||
| 1175 | |||
| 1176 | /** |
||
| 1177 | * Get current resource route url. |
||
| 1178 | * |
||
| 1179 | * @param int $slice |
||
| 1180 | * |
||
| 1181 | * @return string |
||
| 1182 | */ |
||
| 1183 | public function resource($slice = -2) |
||
| 1197 | |||
| 1198 | /** |
||
| 1199 | * Render the form contents. |
||
| 1200 | * |
||
| 1201 | * @return string |
||
| 1202 | */ |
||
| 1203 | public function render() |
||
| 1211 | |||
| 1212 | /** |
||
| 1213 | * Get or set input data. |
||
| 1214 | * |
||
| 1215 | * @param string $key |
||
| 1216 | * @param null $value |
||
| 1217 | * |
||
| 1218 | * @return array|mixed |
||
| 1219 | */ |
||
| 1220 | public function input($key, $value = null) |
||
| 1228 | |||
| 1229 | /** |
||
| 1230 | * Register builtin fields. |
||
| 1231 | * |
||
| 1232 | * @return void |
||
| 1233 | */ |
||
| 1234 | public static function registerBuiltinFields() |
||
| 1289 | |||
| 1290 | /** |
||
| 1291 | * Register custom field. |
||
| 1292 | * |
||
| 1293 | * @param string $abstract |
||
| 1294 | * @param string $class |
||
| 1295 | * |
||
| 1296 | * @return void |
||
| 1297 | */ |
||
| 1298 | public static function extend($abstract, $class) |
||
| 1302 | |||
| 1303 | /** |
||
| 1304 | * Remove registered field. |
||
| 1305 | * |
||
| 1306 | * @param array|string $abstract |
||
| 1307 | */ |
||
| 1308 | public static function forget($abstract) |
||
| 1312 | |||
| 1313 | /** |
||
| 1314 | * Find field class. |
||
| 1315 | * |
||
| 1316 | * @param string $method |
||
| 1317 | * |
||
| 1318 | * @return bool|mixed |
||
| 1319 | */ |
||
| 1320 | View Code Duplication | public static function findFieldClass($method) |
|
| 1330 | |||
| 1331 | /** |
||
| 1332 | * Collect assets required by registered field. |
||
| 1333 | * |
||
| 1334 | * @return array |
||
| 1335 | */ |
||
| 1336 | public static function collectFieldAssets() |
||
| 1361 | |||
| 1362 | /** |
||
| 1363 | * Getter. |
||
| 1364 | * |
||
| 1365 | * @param string $name |
||
| 1366 | * |
||
| 1367 | * @return array|mixed |
||
| 1368 | */ |
||
| 1369 | public function __get($name) |
||
| 1373 | |||
| 1374 | /** |
||
| 1375 | * Setter. |
||
| 1376 | * |
||
| 1377 | * @param string $name |
||
| 1378 | * @param $value |
||
| 1379 | */ |
||
| 1380 | public function __set($name, $value) |
||
| 1384 | |||
| 1385 | /** |
||
| 1386 | * Generate a Field object and add to form builder if Field exists. |
||
| 1387 | * |
||
| 1388 | * @param string $method |
||
| 1389 | * @param array $arguments |
||
| 1390 | * |
||
| 1391 | * @return Field|void |
||
| 1392 | */ |
||
| 1393 | public function __call($method, $arguments) |
||
| 1405 | |||
| 1406 | /** |
||
| 1407 | * Render the contents of the form when casting to string. |
||
| 1408 | * |
||
| 1409 | * @return string |
||
| 1410 | */ |
||
| 1411 | public function __toString() |
||
| 1415 | } |
||
| 1416 |
Loading history...
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: