feat : coupon

app/Model/UserCoupon.php

@@ -39,4 +39,13 @@ class UserCoupon extends Model
 
     const string CREATED_AT = 'created_time';
     const string UPDATED_AT = 'updated_time';
+
+    public function getReceiveCountByUserIds(int $user_id,array $couponIdArr): array
+    {
+        return $this
+            ->where('user_id', $user_id)
+            ->whereIn('coupon_id', $couponIdArr)
+            ->pluck('coupon_id')
+            ->toArray();
+    }
 }