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<?php |
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namespace Leonidas\Library\System; |
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use Contracts\Collection\CollectionInterface; |
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class SystemModelCollection implements CollectionInterface |
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{ |
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protected string $entityType; |
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protected string $idKey; |
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protected string $slugKey; |
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protected array $items; |
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public function __construct(string $entityType, string $idKey, string $slugKey, ...$items) |
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{ |
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$this->entityType = $entityType; |
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$this->idKey = $idKey; |
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$this->slugKey = $slugKey; |
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$this->items = $items; |
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} |
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public function all(): array |
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{ |
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return $this->items; |
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} |
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public function has(string $item): bool |
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{ |
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return isset($this->items[$item]); |
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} |
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public function remove(string $item): void |
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{ |
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// |
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} |
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public function select(string $property): array |
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{ |
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return array_map(function ($object) use ($property) { |
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return $object->{$property}; |
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}, $this->items); |
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} |
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public function getIds(): array |
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{ |
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return $this->select($this->idKey); |
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} |
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public function getMeta(string $metaKey): array |
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{ |
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$meta = []; |
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foreach ($this->items as $object) { |
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$id = $object->{$this->idKey}; |
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$meta[$id] = $this->getObjectMetadata($object, $metaKey); |
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} |
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return $meta; |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->items); |
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} |
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public function sortByMeta(string $metaKey) |
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{ |
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$orderArray = []; |
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$collection = $this->items; |
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$id = $this->idKey; |
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foreach ($collection as $item) { |
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$orderArray[$item->{$id}] = $this->getObjectMetadata($item, $metaKey); |
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} |
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usort($collection, $this->sortByMetaCallback($orderArray)); |
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return $collection; |
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} |
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public function diff(CollectionInterface $collection): CollectionInterface |
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{ |
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$items = array_udiff( |
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$this->all(), |
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$collection->all(), |
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$this->diffCallback() |
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); |
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return new static( |
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$this->idKey, |
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$this->nameKey, |
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$this->slugKey, |
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$this->entityType, |
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$items |
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); |
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} |
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protected function getObjectMetadata(object $object, string $metaKey) |
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{ |
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return get_metadata($this->entityType, $object->{$this->idKey}, $metaKey, true); |
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} |
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protected function diffCallback(): callable |
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{ |
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return function ($object1, $object2) { |
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return $object1->{$this->idKey} - $object2->{$this->idKey}; |
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}; |
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} |
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/** |
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* @param array $orderArray Associative array with object ids as keys and |
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* desired order as values |
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* |
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* @return callable |
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*/ |
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protected function sortByMetaCallback(array $orderArray): callable |
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{ |
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return function ($a, $b) use ($orderArray) { |
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// Set value to 0 if one is not provided |
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$a = (int) $orderArray[$a->{$this->idKey}] ?? 0; |
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$b = (int) $orderArray[$b->{$this->idKey}] ?? 0; |
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if ($a === $b) { |
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return 0; |
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} |
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if ($a < $b && $a === 0) { |
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return 1; |
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} |
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if ($a > $b && $b === 0) { |
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return -1; |
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} |
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return $a > $b ? 1 : -1; |
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}; |
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} |
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} |
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spider-mane /
leonidas
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.