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<?php |
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/* |
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* This file is part of Laravel Love. |
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* |
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* (c) Anton Komarev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Cog\Laravel\Love\Reactant\ReactionTotal\Services; |
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use Cog\Contracts\Love\Reactant\Models\Reactant as ReactantInterface; |
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use Cog\Contracts\Love\Reactant\ReactionTotal\Models\ReactionTotal as ReactionTotalInterface; |
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use Cog\Contracts\Love\Reaction\Models\Reaction as ReactionInterface; |
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use Cog\Laravel\Love\Reactant\ReactionTotal\Models\NullReactionTotal; |
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final class ReactionTotalService |
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{ |
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private ReactionTotalInterface $reactionTotal; |
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public function __construct( |
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ReactantInterface $reactant, |
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) { |
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$this->reactionTotal = $this->findOrCreateReactionTotalFor($reactant); |
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} |
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public function addReaction( |
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ReactionInterface $reaction, |
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): void { |
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$this->reactionTotal->incrementCount(1); |
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$this->reactionTotal->incrementWeight($reaction->getWeight()); |
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} |
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public function removeReaction( |
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ReactionInterface $reaction, |
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): void { |
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if ($this->reactionTotal->getCount() === 0) { |
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return; |
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} |
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$this->reactionTotal->decrementCount(1); |
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$this->reactionTotal->decrementWeight($reaction->getWeight()); |
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} |
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private function findOrCreateReactionTotalFor( |
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ReactantInterface $reactant, |
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): ReactionTotalInterface { |
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$total = $reactant->getReactionTotal(); |
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if ($total instanceof NullReactionTotal) { |
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$reactant->createReactionTotal(); |
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$total = $reactant->getReactionTotal(); |
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} |
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return $total; |
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} |
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} |
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cybercog /
laravel-love
