FeedQueryList 비즈니스 로직 추가

themoment-team · Mar 21, 2024 · 8c08bb3 · 8c08bb3
1 parent 6a18a93
commit 8c08bb3
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Showing 4 changed files with 32 additions and 13 deletions.
diff --git a/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/controller/FeedController.kt b/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/controller/FeedController.kt
@@ -8,14 +8,17 @@ import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RestController
+import team.themoment.gsmNetworking.common.exception.ExpectedException
 import team.themoment.gsmNetworking.domain.feed.dto.FeedInfoDto
 import team.themoment.gsmNetworking.domain.feed.dto.FeedSaveDto
 import team.themoment.gsmNetworking.domain.feed.service.GenerateFeedUseCase
+import team.themoment.gsmNetworking.domain.feed.service.QueryFeedListUseCase
 
 @RestController
 @RequestMapping("/api/v1/feed")
 class FeedController(
-    private val generateFeedUseCase: GenerateFeedUseCase
+    private val generateFeedUseCase: GenerateFeedUseCase,
+    private val queryFeedListUseCase: QueryFeedListUseCase
 ) {
 
     @PostMapping
@@ -24,9 +27,16 @@ class FeedController(
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
-//    @GetMapping
-//    fun queryFeedList(@RequestParam cursorId: Long,
-//                      @RequestParam pageSize: Long) : ResponseEntity<List<FeedInfoDto>> {
-//    }
+    @GetMapping
+    fun queryFeedList(@RequestParam cursorId: Long,
+                      @RequestParam pageSize: Long) : ResponseEntity<List<FeedInfoDto>> {
+
+        if (cursorId < 0L || pageSize < 0L)
+            throw ExpectedException("0이상부터 가능합니다.", HttpStatus.BAD_REQUEST)
+        if (pageSize > 20L)
+            throw ExpectedException("페이지 크기는 20이하까지 가능합니다.", HttpStatus.BAD_REQUEST)
+
+        return ResponseEntity.ok(queryFeedListUseCase.queryFeedList(cursorId, pageSize))
+    }
 
 }
diff --git a/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/dto/FeedListDto.kt b/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/dto/FeedListDto.kt
diff --git a/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/service/QueryFeedListUseCase.kt b/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/service/QueryFeedListUseCase.kt
@@ -0,0 +1,7 @@
+package team.themoment.gsmNetworking.domain.feed.service
+
+import team.themoment.gsmNetworking.domain.feed.dto.FeedInfoDto
+
+interface QueryFeedListUseCase {
+    fun queryFeedList(cursorId: Long, pageSize: Long): List<FeedInfoDto>
+}
diff --git a/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/service/impl/FeedService.kt b/src/main/kotlin/team/themoment/gsmNetworking/domain/feed/service/impl/FeedService.kt
@@ -6,17 +6,19 @@ import org.springframework.transaction.annotation.Transactional
 import team.themoment.gsmNetworking.common.exception.ExpectedException
 import team.themoment.gsmNetworking.common.manager.AuthenticatedUserManager
 import team.themoment.gsmNetworking.domain.feed.domain.Feed
+import team.themoment.gsmNetworking.domain.feed.dto.FeedInfoDto
 import team.themoment.gsmNetworking.domain.feed.dto.FeedSaveDto
 import team.themoment.gsmNetworking.domain.feed.repository.FeedRepository
 import team.themoment.gsmNetworking.domain.feed.service.GenerateFeedUseCase
+import team.themoment.gsmNetworking.domain.feed.service.QueryFeedListUseCase
 import team.themoment.gsmNetworking.domain.user.repository.UserRepository
 
 @Service
 class FeedService (
     private val feedRepository: FeedRepository,
     private val userRepository: UserRepository,
     private val authenticatedUserManager: AuthenticatedUserManager
-) : GenerateFeedUseCase {
+) : GenerateFeedUseCase, QueryFeedListUseCase {
 
     @Transactional
     override fun generateFeed(feedSaveDto: FeedSaveDto) {
@@ -35,4 +37,10 @@ class FeedService (
 
     }
 
-}
+    override fun queryFeedList(cursorId: Long, pageSize: Long): List<FeedInfoDto> =
+        if (cursorId == 0L)
+            feedRepository.findPageWithRecentFeed(pageSize)
+        else
+            feedRepository.findPageByCursorId(cursorId, pageSize)
+
+}