Complex classes like Criteriable 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 Criteriable, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 14 | trait Criteriable |
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| 15 | { |
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| 16 | /** |
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| 17 | * List of repository criteria. |
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| 18 | * |
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| 19 | * @var array |
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| 20 | */ |
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| 21 | protected $criteria = []; |
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| 22 | |||
| 23 | /** |
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| 24 | * List of default repository criteria. |
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| 25 | * |
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| 26 | * @var array |
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| 27 | */ |
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| 28 | protected $defaultCriteria = []; |
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| 29 | |||
| 30 | /** |
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| 31 | * Skip criteria flag. |
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| 32 | * If setted to true criteria will not be apply to the query. |
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| 33 | * |
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| 34 | * @var bool |
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| 35 | */ |
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| 36 | protected $skipCriteria = false; |
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| 37 | |||
| 38 | /** |
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| 39 | * Skip default criteria flag. |
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| 40 | * If setted to true default criteria will not be added to the criteria list. |
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| 41 | * |
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| 42 | * @var bool |
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| 43 | */ |
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| 44 | protected $skipDefaultCriteria = false; |
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| 45 | |||
| 46 | /** |
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| 47 | * Return name for the criterion. |
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| 48 | * If as criterion in parameter passed string we assume that is criterion class name. |
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| 49 | * |
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| 50 | * @param CriterionContract|Closure|string $criteria |
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| 51 | * |
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| 52 | * @return string |
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| 53 | */ |
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| 54 | public function getCriterionName($criteria): string |
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| 62 | |||
| 63 | /** |
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| 64 | * Try to instantiate given criterion class name with this arguments. |
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| 65 | * |
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| 66 | * @param $class |
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| 67 | * @param $arguments |
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| 68 | * |
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| 69 | * @throws CriterionException |
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| 70 | * |
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| 71 | * @return mixed |
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| 72 | */ |
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| 73 | protected function instantiateCriterion($class, $arguments) |
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| 92 | |||
| 93 | /** |
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| 94 | * Return class and arguments from passed array criterion. |
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| 95 | * Extracting class and arguments from array. |
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| 96 | * |
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| 97 | * @param array $criterion |
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| 98 | * |
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| 99 | * @throws CriterionException |
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| 100 | * |
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| 101 | * @return array |
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| 102 | */ |
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| 103 | protected function extractCriterionClassAndArgs(array $criterion): array |
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| 120 | |||
| 121 | /** |
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| 122 | * Add criterion to the specific list. |
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| 123 | * low-level implementation of adding criterion to the list. |
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| 124 | * |
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| 125 | * @param Closure|CriterionContract|array|string $criterion |
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| 126 | * @param string $list |
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| 127 | * |
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| 128 | * @throws CriterionException |
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| 129 | * @throws RepositoryException |
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| 130 | * |
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| 131 | * @return $this |
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| 132 | */ |
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| 133 | protected function addCriterion($criterion, $list) |
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| 163 | |||
| 164 | /** |
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| 165 | * Add criteria to the specific list |
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| 166 | * low-level implementation of adding criteria to the list. |
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| 167 | * |
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| 168 | * @param array $criteria |
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| 169 | * @param $list |
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| 170 | */ |
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| 171 | protected function addCriteria(array $criteria, $list) |
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| 178 | |||
| 179 | /** |
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| 180 | * Push criterion to the criteria list. |
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| 181 | * |
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| 182 | * @param CriterionContract|Closure|array|string $criterion |
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| 183 | * |
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| 184 | * @return $this |
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| 185 | */ |
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| 186 | public function pushCriterion($criterion) |
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| 192 | |||
| 193 | /** |
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| 194 | * Remove provided criterion from criteria list. |
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| 195 | * |
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| 196 | * @param CriterionContract|Closure|string $criterion |
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| 197 | * |
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| 198 | * @return $this |
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| 199 | */ |
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| 200 | public function removeCriterion($criterion) |
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| 206 | |||
| 207 | /** |
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| 208 | * Remove provided criteria from criteria list. |
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| 209 | * |
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| 210 | * @param array $criteria |
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| 211 | * |
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| 212 | * @return RepositoryContract |
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| 213 | */ |
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| 214 | public function removeCriteria(array $criteria) |
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| 222 | |||
| 223 | /** |
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| 224 | * Push array of criteria to the criteria list. |
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| 225 | * |
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| 226 | * @param array $criteria |
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| 227 | * |
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| 228 | * @return $this |
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| 229 | */ |
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| 230 | public function pushCriteria(array $criteria) |
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| 236 | |||
| 237 | /** |
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| 238 | * Flush criteria list. |
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| 239 | * We can flush criteria only when they is not skipped. |
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| 240 | * |
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| 241 | * @return $this |
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| 242 | */ |
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| 243 | public function flushCriteria() |
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| 251 | |||
| 252 | /** |
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| 253 | * Set default criteria list. |
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| 254 | * |
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| 255 | * @param array $criteria |
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| 256 | * |
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| 257 | * @return $this |
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| 258 | */ |
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| 259 | public function setDefaultCriteria(array $criteria) |
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| 265 | |||
| 266 | /** |
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| 267 | * Return default criteria list. |
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| 268 | * |
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| 269 | * @return array |
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| 270 | */ |
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| 271 | public function getDefaultCriteria(): array |
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| 275 | |||
| 276 | /** |
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| 277 | * Return current list of criteria. |
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| 278 | * |
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| 279 | * @return array |
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| 280 | */ |
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| 281 | public function getCriteria(): array |
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| 289 | |||
| 290 | /** |
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| 291 | * Set skipCriteria flag. |
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| 292 | * |
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| 293 | * @param bool|true $flag |
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| 294 | * |
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| 295 | * @return $this |
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| 296 | */ |
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| 297 | public function skipCriteria($flag = true) |
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| 303 | |||
| 304 | /** |
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| 305 | * Set skipDefaultCriteria flag. |
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| 306 | * |
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| 307 | * @param bool|true $flag |
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| 308 | * |
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| 309 | * @return $this |
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| 310 | */ |
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| 311 | public function skipDefaultCriteria($flag = true) |
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| 317 | |||
| 318 | /** |
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| 319 | * Check if a given criterion name now in the criteria list. |
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| 320 | * |
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| 321 | * @param CriterionContract|Closure|string $criterion |
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| 322 | * |
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| 323 | * @return bool |
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| 324 | */ |
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| 325 | public function hasCriterion($criterion): bool |
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| 329 | |||
| 330 | /** |
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| 331 | * Return criterion object or closure from criteria list by name. |
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| 332 | * |
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| 333 | * @param $criterion |
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| 334 | * |
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| 335 | * @return CriterionContract|Closure|null |
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| 336 | */ |
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| 337 | public function getCriterion($criterion) |
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| 343 | |||
| 344 | /** |
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| 345 | * Apply criteria list to the given query. |
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| 346 | * |
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| 347 | * @param $query |
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| 348 | * @param $repository |
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| 349 | * |
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| 350 | * @return mixed |
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| 351 | */ |
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| 352 | public function applyCriteria($query, $repository) |
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| 364 | } |
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| 365 |
This check looks for the generic type
arrayas a return type and suggests a more specific type. This type is inferred from the actual code.