samsoncms /
collection
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 Filtered 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 Filtered, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class Filtered extends Paged |
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| 23 | { |
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| 24 | /** @var array Collection for current filtered material identifiers */ |
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| 25 | protected $materialIDs = array(); |
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| 26 | |||
| 27 | /** @var array Collection of navigation filters */ |
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| 28 | protected $navigation = array(); |
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| 29 | |||
| 30 | /** @var array Collection of field filters */ |
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| 31 | protected $field = array(); |
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| 32 | |||
| 33 | /** @var array Search string collection */ |
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| 34 | protected $search = array(); |
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| 35 | |||
| 36 | /** @var array Collection of query handlers */ |
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| 37 | protected $idHandlers = array(); |
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| 38 | |||
| 39 | /** @var array External material handler and params array */ |
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| 40 | protected $entityHandlers = array(); |
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| 41 | |||
| 42 | /** @var array Base material entity handler callbacks array */ |
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| 43 | protected $baseEntityHandlers = array(); |
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| 44 | |||
| 45 | /** @var string Collection entities class name */ |
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| 46 | protected $entityName = 'samson\cms\CMSMaterial'; |
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| 47 | |||
| 48 | /** @var array Sorter parameters collection */ |
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| 49 | protected $sorter = array(); |
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| 50 | |||
| 51 | /** |
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| 52 | * Generic collection constructor |
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| 53 | * @param RenderInterface $renderer View render object |
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| 54 | * @param QueryInterface $query Query object |
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| 55 | */ |
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| 56 | public function __construct(RenderInterface $renderer, QueryInterface $query, PagerInterface $pager) |
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| 61 | |||
| 62 | /** |
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| 63 | * Render products collection block |
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| 64 | * @param string $prefix Prefix for view variables |
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| 65 | * @param array $restricted Collection of ignored keys |
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| 66 | * @return array Collection key => value |
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| 67 | */ |
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| 68 | public function toView($prefix = null, array $restricted = array()) |
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| 76 | |||
| 77 | /** |
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| 78 | * Add external identifier filter handler |
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| 79 | * @param callback $handler |
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| 80 | * @param array $params |
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| 81 | * @return self Chaining |
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| 82 | */ |
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| 83 | public function handler($handler, array $params = array()) |
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| 90 | |||
| 91 | /** |
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| 92 | * Set external entity handler |
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| 93 | * @param callback $handler |
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| 94 | * @param array $params |
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| 95 | * @return self Chaining |
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| 96 | */ |
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| 97 | public function baseEntityHandler($handler, array $params = array()) |
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| 104 | |||
| 105 | /** |
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| 106 | * Set external entity handler |
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| 107 | * @param callback $handler |
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| 108 | * @param array $params |
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| 109 | * @return self Chaining |
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| 110 | */ |
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| 111 | public function entityHandler($handler, array $params = array()) |
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| 118 | |||
| 119 | /** |
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| 120 | * Set collection sorter parameters |
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| 121 | * @param string|integer $field Field identifier or name |
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| 122 | * @param string $destination ASC|DESC |
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| 123 | * @return void |
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| 124 | */ |
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| 125 | public function sorter($field, $destination = 'ASC') |
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| 144 | |||
| 145 | /** |
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| 146 | * Filter collection using navigation entity or collection of them. |
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| 147 | * If collection of navigation Url or Ids is passed then this group will be |
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| 148 | * applied as single navigation filter to retrieve materials. |
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| 149 | * |
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| 150 | * @param string|integer|array $navigation Navigation URL or identifier for filtering |
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| 151 | * @return self Chaining |
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| 152 | */ |
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| 153 | public function navigation($navigation) |
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| 172 | |||
| 173 | /** |
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| 174 | * Filter collection using additional field entity. |
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| 175 | * |
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| 176 | * @param string|integer|\samson\cms\Field $field Additional field identifier or name |
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| 177 | * @param mixed $value Additional field value for filtering |
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| 178 | * @param string $relation Additional field relation for filtering |
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| 179 | * @return self Chaining |
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| 180 | */ |
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| 181 | public function field($field, $value, $relation = dbRelation::EQUAL) |
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| 202 | |||
| 203 | /** |
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| 204 | * Filter collection using additional field entity values and LIKE relation. |
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| 205 | * If this method is called more then once, it will use materials, previously filtered by this method. |
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| 206 | * |
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| 207 | * @param string $search Search string |
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| 208 | * @return self Chaining |
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| 209 | */ |
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| 210 | public function search($search) |
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| 220 | |||
| 221 | /** |
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| 222 | * Filter collection of numeric field in range from min to max values |
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| 223 | * @param string|integer|\samson\cms\Field $field Additional field identifier or name |
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| 224 | * @param integer $minValue Min value for range filter |
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| 225 | * @param integer $maxValue Max value for range filter |
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| 226 | * @return self Chaining |
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| 227 | */ |
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| 228 | public function ranged($field, $minValue, $maxValue) |
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| 252 | |||
| 253 | /** |
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| 254 | * Try to find additional field record |
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| 255 | * @param string|integer $field Additional field identifier or name |
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| 256 | * @return bool True if field record has been found |
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| 257 | */ |
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| 258 | protected function isFieldObject(&$field) |
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| 273 | |||
| 274 | /** |
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| 275 | * Try to get all material identifiers filtered by navigation |
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| 276 | * if no navigation filtering is set - nothing will happen. |
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| 277 | * |
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| 278 | * @param array $filteredIds Collection of filtered material identifiers |
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| 279 | * @return bool True if ALL navigation filtering succeeded or there was no filtering at all otherwise false |
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| 280 | */ |
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| 281 | View Code Duplication | protected function applyNavigationFilter(& $filteredIds = array()) |
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| 307 | |||
| 308 | /** |
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| 309 | * Try to get all material identifiers filtered by additional field |
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| 310 | * if no field filtering is set - nothing will happen. |
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| 311 | * |
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| 312 | * @param array $filteredIds Collection of filtered material identifiers |
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| 313 | * @return bool True if ALL field filtering succeeded or there was no filtering at all otherwise false |
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| 314 | */ |
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| 315 | View Code Duplication | protected function applyFieldFilter(& $filteredIds = array()) |
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| 340 | |||
| 341 | /** |
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| 342 | * Try to find all materials which have fields similar to search strings |
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| 343 | * |
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| 344 | * @param array $filteredIds Collection of filtered material identifiers |
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| 345 | * @return bool True if ALL field filtering succeeded or there was no filtering at all otherwise false |
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| 346 | */ |
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| 347 | protected function applySearchFilter(& $filteredIds = array()) |
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| 408 | |||
| 409 | /** |
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| 410 | * Apply all possible material filters |
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| 411 | * @param array $filteredIds Collection of material identifiers |
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| 412 | * @return bool True if ALL filtering succeeded or there was no filtering at all otherwise false |
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| 413 | */ |
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| 414 | protected function applyFilter(& $filteredIds = array()) |
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| 420 | |||
| 421 | /** |
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| 422 | * Perform material identifiers collection sorting |
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| 423 | * @param array $materialIDs Variable to return sorted collection |
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| 424 | */ |
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| 425 | protected function applyFieldSorter(& $materialIDs = array()) |
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| 440 | |||
| 441 | /** |
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| 442 | * Call handlers stack |
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| 443 | * @param array $handlers Collection of callbacks with their parameters |
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| 444 | * @param array $params External parameters to pass to callback at first |
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| 445 | * @return bool True if all handlers succeeded |
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| 446 | */ |
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| 447 | protected function callHandlers(& $handlers = array(), $params = array()) |
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| 463 | |||
| 464 | /** |
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| 465 | * Perform filtering on base material entity |
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| 466 | * @param array $materialIDs Variable to return sorted collection |
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| 467 | */ |
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| 468 | protected function applyBaseEntityFilter(& $materialIDs = array()) |
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| 496 | |||
| 497 | /** |
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| 498 | * Perform collection database retrieval using set filters |
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| 499 | * |
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| 500 | * @return self Chaining |
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| 501 | */ |
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| 502 | public function fill() |
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| 564 | } |
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| 565 |
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.