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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\Reaction\Models; |
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use Cog\Contracts\Love\Reactant\Models\Reactant as ReactantContract; |
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use Cog\Contracts\Love\Reacter\Models\Reacter as ReacterContract; |
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use Cog\Contracts\Love\Reaction\Exceptions\RateOutOfRange; |
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use Cog\Contracts\Love\Reaction\Models\Reaction as ReactionContract; |
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use Cog\Contracts\Love\ReactionType\Models\ReactionType as ReactionTypeContract; |
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use Cog\Laravel\Love\Reactant\Models\Reactant; |
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use Cog\Laravel\Love\Reacter\Models\Reacter; |
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use Cog\Laravel\Love\ReactionType\Models\ReactionType; |
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use Cog\Laravel\Love\Support\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\BelongsTo; |
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final class Reaction extends Model implements |
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ReactionContract |
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{ |
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public const RATE_DEFAULT = 1.0; |
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public const RATE_MIN = 0.01; |
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public const RATE_MAX = 99.99; |
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protected $table = 'love_reactions'; |
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protected $attributes = [ |
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'rate' => self::RATE_DEFAULT, |
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]; |
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protected $fillable = [ |
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'reactant_id', |
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'reaction_type_id', |
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'rate', |
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]; |
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protected $casts = [ |
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'id' => 'string', |
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'rate' => 'float', |
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]; |
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public function reactant(): BelongsTo |
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{ |
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return $this->belongsTo(Reactant::class, 'reactant_id'); |
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} |
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public function reacter(): BelongsTo |
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{ |
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return $this->belongsTo(Reacter::class, 'reacter_id'); |
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} |
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public function type(): BelongsTo |
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{ |
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return $this->belongsTo(ReactionType::class, 'reaction_type_id'); |
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} |
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public function getId(): string |
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{ |
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return $this->getAttributeValue('id'); |
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} |
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public function getReactant(): ReactantContract |
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{ |
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return $this->getAttribute('reactant'); |
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} |
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public function getReacter(): ReacterContract |
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{ |
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return $this->getAttribute('reacter'); |
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} |
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public function getType(): ReactionTypeContract |
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{ |
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return $this->getAttribute('type'); |
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} |
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public function getRate(): float |
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{ |
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return $this->getAttributeValue('rate'); |
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} |
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public function getWeight(): float |
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{ |
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return $this->getType()->getMass() * $this->getRate(); |
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} |
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public function setRateAttribute( |
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?float $rate |
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): void { |
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if (!is_null($rate) && ($rate < self::RATE_MIN || $rate > self::RATE_MAX)) { |
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throw RateOutOfRange::withValue($rate); |
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} |
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$this->attributes['rate'] = $rate; |
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} |
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public function isOfType( |
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ReactionTypeContract $reactionType |
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): bool { |
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return $this->getType()->isEqualTo($reactionType); |
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} |
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public function isNotOfType( |
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ReactionTypeContract $reactionType |
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): bool { |
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return $this->getType()->isNotEqualTo($reactionType); |
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} |
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public function isToReactant( |
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ReactantContract $reactant |
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): bool { |
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return $this->getReactant()->isEqualTo($reactant); |
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} |
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public function isNotToReactant( |
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ReactantContract $reactant |
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): bool { |
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return !$this->isToReactant($reactant); |
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} |
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public function isByReacter( |
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ReacterContract $reacter |
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): bool { |
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return $this->getReacter()->isEqualTo($reacter); |
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} |
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public function isNotByReacter( |
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ReacterContract $reacter |
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): bool { |
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return !$this->isByReacter($reacter); |
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} |
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// TODO: Add tests |
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public function changeRate( |
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float $rate |
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): void { |
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if ($this->getRate() === $rate) { |
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// TODO: Add tests |
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// TODO: Add static method ::withRate($rate) |
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throw new RateNotChanged(sprintf( |
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'Can not change Reaction rate to same value: `%s`.', $rate |
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)); |
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} |
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$this->update([ |
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'rate' => $rate, |
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]); |
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} |
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} |
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cybercog /
laravel-love
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