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Mini Shell
<?php
namespace App\Http\Controllers\Api\V2;
use App\Models\Cart;
use App\Models\Coupon;
use App\Models\CouponUsage;
use Illuminate\Http\Request;
class CouponController extends Controller
{
public function apply(Request $request)
{
$coupon = Coupon::where('code', $request->code)->first();
if ($coupon != null && strtotime(date('d-m-Y')) >= $coupon->start_date && strtotime(date('d-m-Y')) <= $coupon->end_date && CouponUsage::where('user_id', auth()->user()->id)->where('coupon_id', $coupon->id)->first() == null) {
$couponDetails = json_decode($coupon->details);
if ($coupon->type == 'cart_base') {
$sum = Cart::where('user_id', auth()->user()->id)->sum('price');
if ($sum > $couponDetails->min_buy) {
if ($coupon->discount_type == 'percent') {
$couponDiscount = ($sum * $coupon->discount) / 100;
if ($couponDiscount > $couponDetails->max_discount) {
$couponDiscount = $couponDetails->max_discount;
}
} elseif ($coupon->discount_type == 'amount') {
$couponDiscount = $coupon->discount;
}
if ($this->isCouponAlreadyApplied(auth()->user()->id, $coupon->id)) {
return response()->json([
'success' => false,
'message' => translate('The coupon is already applied. Please try another coupon')
]);
} else {
return response()->json([
'success' => true,
'discount' => (double) $couponDiscount
]);
}
}
} elseif ($coupon->type == 'product_base') {
$couponDiscount = 0;
$cartItems = Cart::where('user_id',auth()->user()->id)->get();
foreach ($cartItems as $key => $cartItem) {
foreach ($couponDetails as $key => $couponDetail) {
if ($couponDetail->product_id == $cartItem->product_id) {
if ($coupon->discount_type == 'percent') {
$couponDiscount += $cartItem->price * $coupon->discount / 100;
} elseif ($coupon->discount_type == 'amount') {
$couponDiscount += $coupon->discount;
}
}
}
}
if ($this->isCouponAlreadyApplied(auth()->user()->id, $coupon->id)) {
return response()->json([
'success' => false,
'message' => translate('The coupon is already applied. Please try another coupon')
]);
} else {
return response()->json([
'success' => true,
'discount' => (double) $couponDiscount,
'message' => translate('Coupon code applied successfully')
]);
}
}
} else {
return response()->json([
'success' => false,
'message' => translate('The coupon is invalid')
]);
}
}
protected function isCouponAlreadyApplied($userId, $couponId) {
return CouponUsage::where(['user_id' => $userId, 'coupon_id' => $couponId])->count() > 0;
}
}
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