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<?php |
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declare(strict_types=1); |
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namespace MichaelRubel\Couponables; |
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use Illuminate\Database\Eloquent\Relations\MorphToMany; |
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use Illuminate\Support\Str; |
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use MichaelRubel\Couponables\Exceptions\InvalidCouponException; |
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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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trait HasCoupons |
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{ |
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/** |
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* Polymorphic relation to the coupons. |
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* |
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* @return MorphToMany |
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*/ |
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public function coupons(): MorphToMany |
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{ |
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return $this->morphToMany(app(CouponContract::class), Str::singular( |
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config('couponables.pivot_table', 'couponables') |
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))->withPivot( |
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call(CouponPivotContract::class)->getRedeemedAtColumn() |
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); |
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} |
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/** |
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* Use the coupon. |
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* |
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* @param string $code |
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* |
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* @return CouponContract |
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*/ |
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public function redeemCoupon(string $code): CouponContract |
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{ |
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$service = call(CouponServiceContract::class); |
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$proxy = call($service->verifyCoupon($code, $this)); |
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$coupon = $proxy->getInternal(Call::INSTANCE); |
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return $service->applyCoupon($coupon, $this); |
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} |
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/** |
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* Check if the coupon is already redeemed by the model at least once. |
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* |
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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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public function isCouponRedeemed(string $code): bool |
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{ |
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$column = call(CouponContract::class) |
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->getCodeColumn(); |
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return $this->coupons() |
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->where($column, $code) |
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->exists(); |
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} |
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/** |
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* Check if coupon with this code is already used. |
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* |
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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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public function isCouponAlreadyUsed(string $code): bool |
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{ |
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return call($this)->isCouponRedeemed($code); |
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} |
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/** |
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* Check if the coupon is over limit for the model. |
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* |
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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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* @throws InvalidCouponException |
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*/ |
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public function isCouponOverLimit(string $code): bool |
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{ |
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$service = call(CouponServiceContract::class); |
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$coupon = call($service->getCoupon($code)); |
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return $coupon->isOverLimitFor($this); |
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} |
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/** |
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* Check if coupon is disposable. |
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* |
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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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public function isCouponDisposable(string $code): bool |
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{ |
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$service = call(CouponServiceContract::class); |
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$coupon = call($service->getCoupon($code)); |
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$limit = $coupon->{call(CouponContract::class)->getLimitColumn()}; |
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return ! is_null($limit) |
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&& single($limit) |
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&& single($this->coupons()->count()); |
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} |
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} |
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michael-rubel /
laravel-couponables
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