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<?php |
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declare(strict_types=1); |
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namespace MichaelRubel\Couponables\Services; |
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use Illuminate\Database\Eloquent\Model; |
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use MichaelRubel\Couponables\Events\CouponRedeemed; |
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use MichaelRubel\Couponables\Exceptions\CouponExpiredException; |
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use MichaelRubel\Couponables\Exceptions\InvalidCouponException; |
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use MichaelRubel\Couponables\Exceptions\NotAllowedToRedeemException; |
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use MichaelRubel\Couponables\Exceptions\OverLimitException; |
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use MichaelRubel\Couponables\Exceptions\OverQuantityException; |
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use MichaelRubel\Couponables\Models\Contracts\CouponContract; |
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use MichaelRubel\Couponables\Models\Contracts\CouponPivotContract; |
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use MichaelRubel\Couponables\Services\Contracts\CouponServiceContract; |
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use MichaelRubel\EnhancedContainer\Call; |
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use MichaelRubel\EnhancedContainer\Core\CallProxy; |
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class CouponService implements CouponServiceContract |
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{ |
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/** |
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* @var CallProxy |
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*/ |
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protected CallProxy $model; |
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/** |
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* @var CallProxy |
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*/ |
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protected CallProxy $pivot; |
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/** |
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* @param CouponContract $model |
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* @param CouponPivotContract $pivot |
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*/ |
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public function __construct(CouponContract $model, CouponPivotContract $pivot) |
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{ |
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$this->model = call($model); |
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$this->pivot = call($pivot); |
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} |
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/** |
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* Get the coupon model by the code. |
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* |
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* @param string|null $code |
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* |
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* @return CouponContract|null |
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*/ |
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public function getCoupon(?string $code): ?CouponContract |
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{ |
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return $this->model |
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->where($this->model->getCodeColumn(), $code) |
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->first(); |
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} |
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/** |
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* Verify if coupon is valid otherwise throw an exception. |
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* |
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* @param string $code |
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* @param Model $redeemer |
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* |
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* @return CouponContract |
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* @throws OverQuantityException |
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* @throws OverLimitException |
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* @throws NotAllowedToRedeemException |
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* @throws CouponExpiredException |
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* @throws InvalidCouponException |
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*/ |
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public function verifyCoupon(string $code, Model $redeemer): CouponContract |
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{ |
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$coupon = call($this->getCoupon($code) ?? throw new InvalidCouponException); |
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if ($coupon->isExpired()) { |
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throw new CouponExpiredException; |
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} |
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if ($coupon->isOverQuantity()) { |
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throw new OverQuantityException; |
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} |
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if ($this->isOverLimit($coupon, $redeemer, $code)) { |
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throw new OverLimitException; |
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} |
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if ($coupon->isMorphColumnsFilled() && ! $coupon->redeemer()?->is($redeemer)) { |
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throw new NotAllowedToRedeemException; |
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} |
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return $coupon->getInternal(Call::INSTANCE); |
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} |
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/** |
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* Apply the coupon. |
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* |
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* @param CouponContract $coupon |
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* @param Model $redeemer |
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* |
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* @return CouponContract |
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*/ |
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public function applyCoupon(CouponContract $coupon, Model $redeemer): CouponContract |
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{ |
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$redeemer->coupons()->attach($coupon, [ |
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$this->pivot->getRedeemedAtColumn() => now(), |
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]); |
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if (! is_null($coupon->{$this->model->getQuantityColumn()})) { |
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$coupon->decrement($this->model->getQuantityColumn()); |
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} |
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event(new CouponRedeemed($this, $coupon)); |
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return $coupon; |
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} |
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/** |
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* @param mixed $coupon |
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* @param Model $redeemer |
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* @param string $code |
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* |
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* @return bool |
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*/ |
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protected function isOverLimit(mixed $coupon, Model $redeemer, string $code): bool |
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{ |
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return ($coupon->isDisposable() && call($redeemer)->isCouponRedeemed($code)) |
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|| $coupon->isOverLimitFor($redeemer); |
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} |
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} |
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michael-rubel /
laravel-couponables
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