[DVK-102] refactor: 전자책 문의 페이징 리팩토링

src/main/kotlin/com/devooks/backend/ebook/v1/controller/EbookInquiryController.kt

@@ -2,8 +2,12 @@ package com.devooks.backend.ebook.v1.controller
 
 import com.devooks.backend.auth.v1.domain.Authorization
 import com.devooks.backend.auth.v1.service.TokenService
+import com.devooks.backend.common.dto.PageResponse
+import com.devooks.backend.common.dto.PageResponse.Companion.toResponse
 import com.devooks.backend.ebook.v1.controller.docs.EbookInquiryControllerDocs
 import com.devooks.backend.ebook.v1.domain.EbookInquiry
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView.Companion.toEbookInquiryView
 import com.devooks.backend.ebook.v1.dto.command.CreateEbookInquiryCommand
 import com.devooks.backend.ebook.v1.dto.command.DeleteEbookInquiryCommand
 import com.devooks.backend.ebook.v1.dto.command.GetEbookInquiresCommand
@@ -13,13 +17,12 @@ import com.devooks.backend.ebook.v1.dto.request.ModifyEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.response.CreateEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.CreateEbookInquiryResponse.Companion.toCreateEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.DeleteEbookInquiryResponse
-import com.devooks.backend.ebook.v1.dto.response.GetEbookInquiriesResponse
-import com.devooks.backend.ebook.v1.dto.response.GetEbookInquiriesResponse.Companion.toGetEbookInquiriesResponse
 import com.devooks.backend.ebook.v1.dto.response.ModifyEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.ModifyEbookInquiryResponse.Companion.toModifyEbookInquiryResponse
 import com.devooks.backend.ebook.v1.service.EbookInquiryEventService
 import com.devooks.backend.ebook.v1.service.EbookInquiryService
 import com.devooks.backend.ebook.v1.service.EbookService
+import org.springframework.data.domain.Page
 import org.springframework.http.HttpHeaders.AUTHORIZATION
 import org.springframework.transaction.annotation.Transactional
 import org.springframework.web.bind.annotation.DeleteMapping
@@ -60,22 +63,22 @@ class EbookInquiryController(
 
     @GetMapping
     override suspend fun getEbookInquiries(
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         ebookId: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         page: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         count: String,
-    ): GetEbookInquiriesResponse {
+    ): PageResponse<EbookInquiryView> {
         val command = GetEbookInquiresCommand(ebookId, page, count)
-        val ebookInquiryList: List<EbookInquiry> = ebookInquiryService.get(command)
-        return ebookInquiryList.toGetEbookInquiriesResponse()
+        val ebookInquiryList: Page<EbookInquiry> = ebookInquiryService.get(command)
+        return ebookInquiryList.map { it.toEbookInquiryView() }.toResponse()
     }
 
     @Transactional
     @PatchMapping("/{inquiryId}")
     override suspend fun modifyEbookInquiry(
-        @PathVariable(name = "inquiryId", required = false)
+        @PathVariable
         inquiryId: String,
         @RequestBody
         request: ModifyEbookInquiryRequest,
@@ -91,7 +94,7 @@ class EbookInquiryController(
     @Transactional
     @DeleteMapping("/{inquiryId}")
     override suspend fun deleteEbookInquiry(
-        @PathVariable(name = "inquiryId", required = false)
+        @PathVariable
         inquiryId: String,
         @RequestHeader(AUTHORIZATION)
         authorization: String,

src/main/kotlin/com/devooks/backend/ebook/v1/controller/docs/EbookInquiryControllerDocs.kt

@@ -1,11 +1,12 @@
 package com.devooks.backend.ebook.v1.controller.docs
 
+import com.devooks.backend.common.dto.PageResponse
 import com.devooks.backend.common.exception.ErrorResponse
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.request.ModifyEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.response.CreateEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.DeleteEbookInquiryResponse
-import com.devooks.backend.ebook.v1.dto.response.GetEbookInquiriesResponse
 import com.devooks.backend.ebook.v1.dto.response.ModifyEbookInquiryResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.media.Content
@@ -67,12 +68,6 @@ interface EbookInquiryControllerDocs {
             ApiResponse(
                 responseCode = "200",
                 description = "OK",
-                content = [
-                    Content(
-                        mediaType = APPLICATION_JSON_VALUE,
-                        schema = Schema(implementation = GetEbookInquiriesResponse::class)
-                    )
-                ]
             ),
             ApiResponse(
                 responseCode = "400",
@@ -97,7 +92,7 @@ interface EbookInquiryControllerDocs {
         page: String,
         @Schema(description = "개수", required = true, nullable = false)
         count: String,
-    ): GetEbookInquiriesResponse
+    ): PageResponse<EbookInquiryView>
 
     @Operation(summary = "전자책 문의 수정")
     @ApiResponses(

src/main/kotlin/com/devooks/backend/ebook/v1/dto/EbookInquiryDto.kt → src/main/kotlin/com/devooks/backend/ebook/v1/dto/EbookInquiryView.kt

@@ -5,7 +5,7 @@ import io.swagger.v3.oas.annotations.media.Schema
 import java.time.Instant
 import java.util.*
 
-data class EbookInquiryDto(
+data class EbookInquiryView(
     @Schema(description = "전자책 문의 식별자")
     val id: UUID,
     @Schema(description = "내용")
@@ -20,8 +20,8 @@ data class EbookInquiryDto(
     val modifiedDate: Instant,
 ) {
     companion object {
-        fun EbookInquiry.toDto() =
-            EbookInquiryDto(
+        fun EbookInquiry.toEbookInquiryView() =
+            EbookInquiryView(
                 id = this.id,
                 content = this.content,
                 ebookId = this.ebookId,

src/main/kotlin/com/devooks/backend/ebook/v1/dto/response/CreateEbookInquiryResponse.kt

@@ -1,14 +1,14 @@
 package com.devooks.backend.ebook.v1.dto.response
 
 import com.devooks.backend.ebook.v1.domain.EbookInquiry
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto.Companion.toDto
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView.Companion.toEbookInquiryView
 
 data class CreateEbookInquiryResponse(
-    val ebookInquiry: EbookInquiryDto,
+    val ebookInquiry: EbookInquiryView,
 ) {
     companion object {
         fun EbookInquiry.toCreateEbookInquiryResponse() =
-            CreateEbookInquiryResponse(toDto())
+            CreateEbookInquiryResponse(toEbookInquiryView())
     }
 }

src/main/kotlin/com/devooks/backend/ebook/v1/dto/response/GetEbookInquiriesResponse.kt

@@ -1,14 +1,14 @@
 package com.devooks.backend.ebook.v1.dto.response
 
 import com.devooks.backend.ebook.v1.domain.EbookInquiry
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto.Companion.toDto
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView.Companion.toEbookInquiryView
 
 data class GetEbookInquiriesResponse(
-    val ebookInquiryList: List<EbookInquiryDto>,
+    val ebookInquiryList: List<EbookInquiryView>,
 ) {
     companion object {
         fun List<EbookInquiry>.toGetEbookInquiriesResponse() =
-            GetEbookInquiriesResponse(map { it.toDto() })
+            GetEbookInquiriesResponse(map { it.toEbookInquiryView() })
     }
 }

src/main/kotlin/com/devooks/backend/ebook/v1/dto/response/ModifyEbookInquiryResponse.kt

@@ -1,14 +1,14 @@
 package com.devooks.backend.ebook.v1.dto.response
 
 import com.devooks.backend.ebook.v1.domain.EbookInquiry
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto.Companion.toDto
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView.Companion.toEbookInquiryView
 
 data class ModifyEbookInquiryResponse(
-    val ebookInquiry: EbookInquiryDto
+    val ebookInquiry: EbookInquiryView
 ) {
     companion object {
         fun EbookInquiry.toModifyEbookInquiryResponse() =
-            ModifyEbookInquiryResponse(toDto())
+            ModifyEbookInquiryResponse(toEbookInquiryView())
     }
 }

src/main/kotlin/com/devooks/backend/ebook/v1/repository/EbookInquiryRepository.kt

@@ -8,4 +8,5 @@ import org.springframework.data.repository.kotlin.CoroutineCrudRepository
 
 interface EbookInquiryRepository : CoroutineCrudRepository<EbookInquiryEntity, UUID> {
     suspend fun findAllByEbookId(ebookId: UUID, pageable: Pageable): Flow<EbookInquiryEntity>
+    suspend fun countByEbookId(ebookId: UUID): Long
 }

src/main/kotlin/com/devooks/backend/ebook/v1/service/EbookInquiryService.kt

@@ -13,6 +13,8 @@ import java.time.Instant
 import java.util.*
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.toList
+import org.springframework.data.domain.Page
+import org.springframework.data.domain.PageImpl
 import org.springframework.stereotype.Service
 
 @Service
@@ -28,11 +30,13 @@ class EbookInquiryService(
         return ebookInquiryRepository.save(entity).toDomain()
     }
 
-    suspend fun get(command: GetEbookInquiresCommand): List<EbookInquiry> =
-        ebookInquiryRepository
+    suspend fun get(command: GetEbookInquiresCommand): Page<EbookInquiry> {
+        val ebookInquiries = ebookInquiryRepository
             .findAllByEbookId(command.ebookId, command.pageable)
             .map { it.toDomain() }
-            .toList()
+        val count = ebookInquiryRepository.countByEbookId(command.ebookId)
+        return PageImpl(ebookInquiries.toList(), command.pageable, count)
+    }
 
     suspend fun modify(command: ModifyEbookInquiryCommand): EbookInquiry =
         findById(command.inquiryId)

src/main/kotlin/com/devooks/backend/transaciton/v1/controller/TransactionController.kt

@@ -51,9 +51,9 @@ class TransactionController(
     suspend fun getBuyHistories(
         @RequestParam(required = false, defaultValue = "")
         ebookTitle: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         page: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         count: String,
         @RequestHeader(AUTHORIZATION)
         authorization: String,
@@ -65,9 +65,9 @@ class TransactionController(
 
     @GetMapping("/sell-histories")
     suspend fun getSellHistories(
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         page: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         count: String,
         @RequestHeader(AUTHORIZATION)
         authorization: String,
@@ -76,4 +76,4 @@ class TransactionController(
         val command = GetSellHistoriesCommand(page, count, requesterId)
         return transactionService.get(command).toGetSellHistoriesResponse()
     }
-}
+}

src/main/kotlin/com/devooks/backend/wishlist/v1/controller/WishlistController.kt

@@ -54,9 +54,9 @@ class WishlistController(
     override suspend fun getWishlist(
         @RequestParam(required = false, defaultValue = "")
         categoryIds: List<String>,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         page: String,
-        @RequestParam(required = false, defaultValue = "")
+        @RequestParam
         count: String,
         @RequestHeader(AUTHORIZATION)
         authorization: String,

src/test/kotlin/com/devooks/backend/ebook/v1/controller/EbookInquiryCommentControllerTest.kt

@@ -9,7 +9,7 @@ import com.devooks.backend.common.dto.ImageDto
 import com.devooks.backend.config.IntegrationTest
 import com.devooks.backend.ebook.v1.dto.EbookImageDto
 import com.devooks.backend.ebook.v1.dto.EbookInquiryCommentDto
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookInquiryCommentRequest
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookRequest
@@ -311,7 +311,7 @@ internal class EbookInquiryCommentControllerTest @Autowired constructor(
         return ebookInquiryComment
     }
 
-    private suspend fun EbookInquiryCommentControllerTest.postCreateEbookInquiry(): Pair<AccessToken, EbookInquiryDto> {
+    private suspend fun EbookInquiryCommentControllerTest.postCreateEbookInquiry(): Pair<AccessToken, EbookInquiryView> {
         val (_, createEbookResponse) = postCreateEbook()
         val accessToken = tokenService.createTokenGroup(expectedMember1).accessToken
         val createEbookInquiryRequest = CreateEbookInquiryRequest(

src/test/kotlin/com/devooks/backend/ebook/v1/controller/EbookInquiryControllerTest.kt

@@ -6,17 +6,17 @@ import com.devooks.backend.auth.v1.domain.AccessToken
 import com.devooks.backend.auth.v1.service.TokenService
 import com.devooks.backend.category.v1.repository.CategoryRepository
 import com.devooks.backend.common.dto.ImageDto
+import com.devooks.backend.common.dto.PageResponse
 import com.devooks.backend.config.IntegrationTest
 import com.devooks.backend.ebook.v1.dto.EbookImageDto
-import com.devooks.backend.ebook.v1.dto.EbookInquiryDto
+import com.devooks.backend.ebook.v1.dto.EbookInquiryView
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.request.CreateEbookRequest
 import com.devooks.backend.ebook.v1.dto.request.ModifyEbookInquiryRequest
 import com.devooks.backend.ebook.v1.dto.request.SaveDescriptionImagesRequest
 import com.devooks.backend.ebook.v1.dto.request.SaveMainImageRequest
 import com.devooks.backend.ebook.v1.dto.response.CreateEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.CreateEbookResponse
-import com.devooks.backend.ebook.v1.dto.response.GetEbookInquiriesResponse
 import com.devooks.backend.ebook.v1.dto.response.ModifyEbookInquiryResponse
 import com.devooks.backend.ebook.v1.dto.response.SaveDescriptionImagesResponse
 import com.devooks.backend.ebook.v1.dto.response.SaveMainImageResponse
@@ -149,18 +149,21 @@ internal class EbookInquiryControllerTest @Autowired constructor(
     fun `전자책 문의를 조회할 수 있다`(): Unit = runBlocking {
         val createdEbookInquiry = postCreateEbookInquiry()
 
-        val foundEbookInquiry =
+        val pageEbookInquiry =
             webTestClient
                 .get()
                 .uri("/api/v1/ebook-inquiries?ebookId=${createdEbookInquiry.ebookId}&page=1&count=10")
                 .accept(APPLICATION_JSON)
                 .exchange()
                 .expectStatus().isOk
-                .expectBody<GetEbookInquiriesResponse>()
+                .expectBody<PageResponse<EbookInquiryView>>()
                 .returnResult()
                 .responseBody!!
-                .ebookInquiryList[0]
 
+        val foundEbookInquiry = pageEbookInquiry.data[0]
+
+        assertThat(pageEbookInquiry.pageable.totalPages).isEqualTo(1)
+        assertThat(pageEbookInquiry.pageable.totalElements).isEqualTo(1)
         assertThat(foundEbookInquiry.id).isEqualTo(createdEbookInquiry.id)
         assertThat(foundEbookInquiry.content).isEqualTo(createdEbookInquiry.content)
         assertThat(foundEbookInquiry.ebookId).isEqualTo(createdEbookInquiry.ebookId)
@@ -288,7 +291,7 @@ internal class EbookInquiryControllerTest @Autowired constructor(
             .expectStatus().isNotFound
     }
 
-    private suspend fun EbookInquiryControllerTest.postCreateEbookInquiry(): EbookInquiryDto {
+    private suspend fun EbookInquiryControllerTest.postCreateEbookInquiry(): EbookInquiryView {
         val (_, createEbookResponse) = postCreateEbook()
         val accessToken = tokenService.createTokenGroup(expectedMember1).accessToken
         val createEbookInquiryRequest = CreateEbookInquiryRequest(