쿠폰 번호 리스트 API 수정

- totalCount 추가

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponRepository.kt

@@ -10,7 +10,8 @@ interface CanCouponRepository : JpaRepository<CanCoupon, Long>, CanCouponQueryRe
 interface CanCouponQueryRepository {
     fun getCouponTotalCount(): Int
     fun getCouponList(offset: Long, limit: Long): List<CanCoupon>
-    fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): List<GetCouponNumberListResponse>
+    fun getCouponNumberTotalCount(couponId: Long): Int
+    fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): List<GetCouponNumberListItemResponse>
 }
 
 class CanCouponQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : CanCouponQueryRepository {
@@ -31,10 +32,19 @@ class CanCouponQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) :
             .fetch()
     }
 
-    override fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): List<GetCouponNumberListResponse> {
+    override fun getCouponNumberTotalCount(couponId: Long): Int {
+        return queryFactory
+            .select(canCouponNumber.id)
+            .from(canCouponNumber)
+            .where(canCouponNumber.canCoupon.id.eq(couponId))
+            .fetch()
+            .size
+    }
+
+    override fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): List<GetCouponNumberListItemResponse> {
         return queryFactory
             .select(
-                QGetCouponNumberListResponse(
+                QGetCouponNumberListItemResponse(
                     canCouponNumber.id,
                     canCouponNumber.couponNumber,
                     canCouponNumber.member.isNotNull
@@ -42,6 +52,9 @@ class CanCouponQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) :
             )
             .from(canCouponNumber)
             .where(canCouponNumber.canCoupon.id.eq(couponId))
+            .orderBy(canCouponNumber.id.asc())
+            .offset(offset)
+            .limit(limit)
             .fetch()
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt

@@ -43,7 +43,9 @@ class CanCouponService(
         return GetCouponListResponse(totalCount, items)
     }
 
-    fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): List<GetCouponNumberListResponse> {
-        return repository.getCouponNumberList(couponId = couponId, offset = offset, limit = limit)
+    fun getCouponNumberList(couponId: Long, offset: Long, limit: Long): GetCouponNumberListResponse {
+        val totalCount = repository.getCouponNumberTotalCount(couponId = couponId)
+        val items = repository.getCouponNumberList(couponId = couponId, offset = offset, limit = limit)
+        return GetCouponNumberListResponse(totalCount, items)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/GetCouponNumberListResponse.kt

@@ -2,7 +2,12 @@ package kr.co.vividnext.sodalive.can.coupon
 
 import com.querydsl.core.annotations.QueryProjection
 
-data class GetCouponNumberListResponse @QueryProjection constructor(
+data class GetCouponNumberListResponse(
+    val totalCount: Int,
+    val items: List<GetCouponNumberListItemResponse>
+)
+
+data class GetCouponNumberListItemResponse @QueryProjection constructor(
     val couponNumberId: Long,
     val couponNumber: String,
     val isUsed: Boolean