Refactor coupon repository to use CouponType for type field in FindCouponsOpts

src/modules/coupons/repositories/coupon.repository.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
 import { FilterQuery } from '@mikro-orm/core';
-import { Coupon } from '../entities/coupon.entity';
+import { Coupon, CouponType } from '../entities/coupon.entity';
 import { PaginatedResult } from 'src/common/interfaces/pagination.interface';
 
 type FindCouponsOpts = {
@@ -10,7 +10,7 @@ type FindCouponsOpts = {
   search?: string;
   orderBy?: string;
   order?: 'asc' | 'desc';
-  type?: string;
+  type?: CouponType;
   isActive?: boolean;
 };
 
@@ -63,4 +63,3 @@ export class CouponRepository extends EntityRepository<Coupon> {
     };
   }
 }
-