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<?php |
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/** |
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* Platine Collection |
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* |
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* Platine Collection provides a flexible and simple PHP collection implementation. |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Collection |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file BaseCollection.php |
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* |
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* The BaseCollection class |
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* |
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* @package Platine\Collection |
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* @author Platine Developers Team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Collection; |
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use Countable; |
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use JsonSerializable; |
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use OutOfRangeException; |
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use Platine\Collection\Exception\InvalidOperationException; |
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/** |
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* @class BaseCollection |
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* @package Platine\Collection |
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* @template T |
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*/ |
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abstract class BaseCollection implements Countable, JsonSerializable |
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{ |
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/** |
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* The data container instance |
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* @var DataContainer<T> |
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*/ |
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protected DataContainer $data; |
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/** |
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* Create new instance |
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* @param array<mixed, T> $initials |
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*/ |
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public function __construct(array $initials = []) |
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{ |
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$this->data = new DataContainer($initials); |
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} |
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/** |
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* Clear the collection data |
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* @return void |
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*/ |
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public function clear(): void |
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{ |
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$this->data = new DataContainer([]); |
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} |
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/** |
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* Check whether the collection has the given element |
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* @param T $needle |
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* @return bool |
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*/ |
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public function contains(mixed $needle): bool |
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{ |
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return in_array($needle, $this->all()); |
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} |
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/** |
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* |
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* @param mixed $offset |
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* @return bool |
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*/ |
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public function exists(mixed $offset): bool |
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{ |
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return $this->data->offsetExists($offset); |
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} |
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/** |
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* Return the first element of collection |
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* @return T |
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*/ |
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public function first(): mixed |
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{ |
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if ($this->isEmpty()) { |
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throw new OutOfRangeException('The collection is empty'); |
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} |
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$values = $this->all(); |
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return $values[0]; |
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} |
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/** |
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* Return the last element of collection |
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* @return T |
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*/ |
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public function last(): mixed |
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{ |
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if ($this->isEmpty()) { |
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throw new OutOfRangeException('The collection is empty'); |
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} |
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$values = $this->all(); |
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return $values[$this->count() - 1]; |
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} |
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/** |
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* |
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* @return bool |
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*/ |
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public function isEmpty(): bool |
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{ |
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return $this->count() === 0; |
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} |
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/** |
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* Return the sum of the collection element |
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* @param callable $callback |
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* @return float |
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*/ |
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public function sum(callable $callback): float |
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{ |
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$sum = 0; |
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foreach ($this->data as $value) { |
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$val = call_user_func($callback, $value); |
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if (!is_numeric($val)) { |
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throw new InvalidOperationException( |
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'You cannot sum non-numeric values' |
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); |
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} |
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$sum += $val; |
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} |
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return $sum; |
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} |
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/** |
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* Return the array representation of the collection |
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* @return array<mixed, T> |
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*/ |
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public function all(): array |
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{ |
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return $this->data->getData(); |
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} |
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/** |
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* {@inheritedoc} |
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*/ |
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public function count(): int |
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{ |
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return count($this->all()); |
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} |
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/** |
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* {@inheritedoc} |
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* @return array<mixed, T> |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return $this->all(); |
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} |
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/** |
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* Return the different with the given collection |
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* @param BaseCollection<T> $collection |
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* @return $this |
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*/ |
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abstract public function diff(BaseCollection $collection): self; |
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/** |
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* Whether two collections are equal |
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* @param BaseCollection<T> $collection |
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* @return bool |
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*/ |
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abstract public function equals(BaseCollection $collection): bool; |
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/** |
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* Returns a portion of the collection. |
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* @param int $offset |
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* @param int|null $length |
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* @return null|$this |
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*/ |
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abstract public function slice(int $offset, ?int $length = null): ?self; |
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/** |
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* Fill the collection |
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* @param array<mixed, T> $data |
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* @return void |
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*/ |
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abstract public function fill(array $data): void; |
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/** |
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* |
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* @return void |
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*/ |
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protected function repopulate(): void |
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{ |
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$oldData = array_values($this->all()); |
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$this->data->setData($oldData); |
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} |
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} |
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