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<?php declare(strict_types=1); |
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namespace Compolomus\Collection; |
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use Compolomus\Collection\Linq; |
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use InvalidArgumentException; |
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class Collection |
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{ |
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public const ASC = 1; |
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public const DESC = 0; |
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private $generic; |
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private $collection = []; |
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public function __construct(string $class) |
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{ |
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$this->generic = $class; |
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} |
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public function addOne(object $object): self |
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{ |
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if (!($object instanceof $this->generic)) { |
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throw new InvalidArgumentException('Object mast be instanceof ' . $this->generic . ' class, ' . get_class($object) . ' given'); |
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} |
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$this->collection[] = $object; |
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return $this; |
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} |
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public function addAll(array $objects): self |
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{ |
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array_map([$this, 'addOne'], $objects); |
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return $this; |
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} |
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public function count(): int |
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{ |
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return count($this->collection); |
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} |
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public function immutable(): self |
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{ |
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return clone $this; |
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} |
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public function getGeneric(): string |
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{ |
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return $this->generic; |
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} |
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private function cmp(string $key, int $order): callable |
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{ |
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return static function (object $a, object $b) use ($key, $order) { |
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return $order ? $a->$key <=> $b->$key : $b->$key <=> $a->$key; |
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}; |
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} |
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public function where(string $query): self |
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{ |
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$linq = new Linq($this); |
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return (new self($this->getGeneric()))->addAll($linq->where($query)->get()); |
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} |
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public function sort(string $key, int $order = Collection::ASC): self |
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{ |
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uasort($this->collection, $this->cmp($key, $order)); |
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return $this; |
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} |
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public function limit(int $limit, int $offset = 0): self |
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{ |
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$this->collection = array_slice($this->collection, $offset, $limit); |
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return $this; |
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} |
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public function get(): array |
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{ |
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return $this->collection; |
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} |
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} |
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Compolomus /
Collection
