[Refactor/#358] 아티클 읽음 기록 이벤트 처리로 리펙토링

api/src/main/kotlin/com/few/api/domain/article/event/ReadArticleEventListener.kt

@@ -0,0 +1,17 @@
+package com.few.api.domain.article.event
+
+import com.few.api.domain.article.event.dto.ReadArticleEvent
+import com.few.api.domain.article.handler.ArticleViewHisAsyncHandler
+import org.springframework.context.event.EventListener
+import org.springframework.stereotype.Component
+
+@Component
+class ReadArticleEventListener(
+    private val articleViewHisAsyncHandler: ArticleViewHisAsyncHandler,
+) {
+
+    @EventListener
+    fun handleEvent(event: ReadArticleEvent) {
+        articleViewHisAsyncHandler.addArticleViewHis(event.articleId, event.memberId, event.category)
+    }
+}

api/src/main/kotlin/com/few/api/domain/article/event/dto/ReadArticleEvent.kt

@@ -0,0 +1,9 @@
+package com.few.api.domain.article.event.dto
+
+import com.few.data.common.code.CategoryType
+
+data class ReadArticleEvent(
+    val articleId: Long,
+    val memberId: Long,
+    val category: CategoryType,
+)

api/src/main/kotlin/com/few/api/domain/article/usecase/ReadArticlesUseCase.kt → api/src/main/kotlin/com/few/api/domain/article/usecase/BrowseArticlesUseCase.kt

@@ -17,7 +17,7 @@ import java.util.*
 import kotlin.Comparator
 
 @Component
-class ReadArticlesUseCase(
+class BrowseArticlesUseCase(
     private val articleViewCountDao: ArticleViewCountDao,
     private val articleMainCardDao: ArticleMainCardDao,
     private val articleDao: ArticleDao,

api/src/main/kotlin/com/few/api/domain/article/usecase/ReadArticleUseCase.kt

@@ -1,7 +1,7 @@
 package com.few.api.domain.article.usecase
 
+import com.few.api.domain.article.event.dto.ReadArticleEvent
 import com.few.api.domain.article.handler.ArticleViewCountHandler
-import com.few.api.domain.article.handler.ArticleViewHisAsyncHandler
 import com.few.api.domain.article.usecase.dto.ReadArticleUseCaseIn
 import com.few.api.domain.article.usecase.dto.ReadArticleUseCaseOut
 import com.few.api.domain.article.usecase.dto.WriterDetail
@@ -13,6 +13,7 @@ import com.few.api.exception.common.NotFoundException
 import com.few.api.repo.dao.article.ArticleDao
 import com.few.api.repo.dao.article.query.SelectArticleRecordQuery
 import com.few.data.common.code.CategoryType
+import org.springframework.context.ApplicationEventPublisher
 import org.springframework.stereotype.Component
 import org.springframework.transaction.annotation.Transactional
 
@@ -21,8 +22,8 @@ class ReadArticleUseCase(
     private val articleDao: ArticleDao,
     private val readArticleWriterRecordService: ReadArticleWriterRecordService,
     private val browseArticleProblemsService: BrowseArticleProblemsService,
-    private val articleViewHisAsyncHandler: ArticleViewHisAsyncHandler,
     private val articleViewCountHandler: ArticleViewCountHandler,
+    private val applicationEventPublisher: ApplicationEventPublisher,
 ) {
 
     @Transactional(readOnly = true)
@@ -40,20 +41,17 @@ class ReadArticleUseCase(
                 browseArticleProblemsService.execute(query)
             }
 
-        // ARTICLE VIEW HIS에 저장하기 전에 먼저 VIEW COUNT 조회하는 순서 변경 금지
         val views = articleViewCountHandler.browseArticleViewCount(useCaseIn.articleId)
-        articleViewHisAsyncHandler.addArticleViewHis(
-            useCaseIn.articleId,
-            useCaseIn.memberId,
-            CategoryType.fromCode(articleRecord.category) ?: throw NotFoundException("article.invalid.category")
+        applicationEventPublisher.publishEvent(
+            ReadArticleEvent(
+                articleId = useCaseIn.articleId,
+                memberId = useCaseIn.memberId,
+                category = CategoryType.fromCode(articleRecord.category) ?: throw NotFoundException(
+                    "article.invalid.category"
+                )
+            )
         )
 
-        /**
-         * NOTE: The articleViewHisAsyncHandler creates a new transaction that is separate from the current context.
-         * So this section, the logic after the articleViewHisAsyncHandler call,
-         * is where the mismatch between the two transactions can occur if an exception is thrown.
-         */
-
         return ReadArticleUseCaseOut(
             id = articleRecord.articleId,
             writer = WriterDetail(

api/src/main/kotlin/com/few/api/domain/workbook/article/usecase/ReadWorkBookArticleUseCase.kt

@@ -1,7 +1,7 @@
 package com.few.api.domain.workbook.article.usecase
 
+import com.few.api.domain.article.event.dto.ReadArticleEvent
 import com.few.api.domain.article.handler.ArticleViewCountHandler
-import com.few.api.domain.article.handler.ArticleViewHisAsyncHandler
 import com.few.api.domain.article.service.BrowseArticleProblemsService
 import com.few.api.domain.article.service.ReadArticleWriterRecordService
 import com.few.api.domain.article.service.dto.BrowseArticleProblemIdsInDto
@@ -13,6 +13,7 @@ import com.few.api.exception.common.NotFoundException
 import com.few.api.repo.dao.article.ArticleDao
 import com.few.api.repo.dao.article.query.SelectWorkBookArticleRecordQuery
 import com.few.data.common.code.CategoryType
+import org.springframework.context.ApplicationEventPublisher
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 
@@ -21,8 +22,8 @@ class ReadWorkBookArticleUseCase(
     private val articleDao: ArticleDao,
     private val readArticleWriterRecordService: ReadArticleWriterRecordService,
     private val browseArticleProblemsService: BrowseArticleProblemsService,
-    private val articleViewHisAsyncHandler: ArticleViewHisAsyncHandler,
     private val articleViewCountHandler: ArticleViewCountHandler,
+    private val applicationEventPublisher: ApplicationEventPublisher,
 ) {
     @Transactional(readOnly = true)
     fun execute(useCaseIn: ReadWorkBookArticleUseCaseIn): ReadWorkBookArticleOut {
@@ -46,12 +47,15 @@ class ReadWorkBookArticleUseCase(
         /**
          * @see com.few.api.domain.article.usecase.ReadArticleUseCase
          */
-        // ARTICLE VIEW HIS에 저장하기 전에 먼저 VIEW COUNT 조회하는 순서 변경 금지
-        val views = articleViewCountHandler.browseArticleViewCount(useCaseIn.articleId)
-        articleViewHisAsyncHandler.addArticleViewHis(
-            useCaseIn.articleId,
-            useCaseIn.memberId,
-            CategoryType.fromCode(articleRecord.category) ?: throw NotFoundException("article.invalid.category")
+        articleViewCountHandler.browseArticleViewCount(useCaseIn.articleId)
+        applicationEventPublisher.publishEvent(
+            ReadArticleEvent(
+                articleId = useCaseIn.articleId,
+                memberId = useCaseIn.memberId,
+                category = CategoryType.fromCode(articleRecord.category) ?: throw NotFoundException(
+                    "article.invalid.category"
+                )
+            )
         )
 
         /**

api/src/main/kotlin/com/few/api/web/controller/article/ArticleController.kt

@@ -1,7 +1,7 @@
 package com.few.api.web.controller.article
 
 import com.few.api.domain.article.usecase.ReadArticleUseCase
-import com.few.api.domain.article.usecase.ReadArticlesUseCase
+import com.few.api.domain.article.usecase.BrowseArticlesUseCase
 import com.few.api.domain.article.usecase.dto.ReadArticleUseCaseIn
 import com.few.api.domain.article.usecase.dto.ReadArticlesUseCaseIn
 import com.few.api.security.filter.token.AccessTokenResolver
@@ -25,7 +25,7 @@ import org.springframework.web.bind.annotation.*
 @RequestMapping(value = ["/api/v1/articles"], produces = [MediaType.APPLICATION_JSON_VALUE])
 class ArticleController(
     private val readArticleUseCase: ReadArticleUseCase,
-    private val readArticlesUseCase: ReadArticlesUseCase,
+    private val browseArticlesUseCase: BrowseArticlesUseCase,
     private val tokenResolver: TokenResolver,
 ) {
 
@@ -81,7 +81,7 @@ class ArticleController(
             defaultValue = "-1"
         ) categoryCd: Byte,
     ): ApiResponse<ApiResponse.SuccessBody<ReadArticlesResponse>> {
-        val useCaseOut = readArticlesUseCase.execute(ReadArticlesUseCaseIn(prevArticleId, categoryCd))
+        val useCaseOut = browseArticlesUseCase.execute(ReadArticlesUseCaseIn(prevArticleId, categoryCd))
 
         val articles: List<ReadArticleResponse> = useCaseOut.articles.map { a ->
             ReadArticleResponse(

api/src/test/kotlin/com/few/api/domain/article/usecase/ReadArticleUseCaseTest.kt

@@ -1,7 +1,7 @@
 package com.few.api.domain.article.usecase
 
+import com.few.api.domain.article.event.dto.ReadArticleEvent
 import com.few.api.domain.article.handler.ArticleViewCountHandler
-import com.few.api.domain.article.handler.ArticleViewHisAsyncHandler
 import com.few.api.domain.article.service.BrowseArticleProblemsService
 import com.few.api.domain.article.service.ReadArticleWriterRecordService
 import com.few.api.domain.article.service.dto.BrowseArticleProblemsOutDto
@@ -15,6 +15,7 @@ import io.kotest.assertions.throwables.shouldThrow
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
 import io.mockk.*
+import org.springframework.context.ApplicationEventPublisher
 
 import java.net.URL
 import java.time.LocalDateTime
@@ -26,21 +27,22 @@ class ReadArticleUseCaseTest : BehaviorSpec({
     lateinit var readArticleWriterRecordService: ReadArticleWriterRecordService
     lateinit var browseArticleProblemsService: BrowseArticleProblemsService
     lateinit var useCase: ReadArticleUseCase
-    lateinit var articleViewHisAsyncHandler: ArticleViewHisAsyncHandler
     lateinit var articleViewCountHandler: ArticleViewCountHandler
+    lateinit var applicationEventPublisher: ApplicationEventPublisher
 
     beforeContainer {
         articleDao = mockk<ArticleDao>()
         readArticleWriterRecordService = mockk<ReadArticleWriterRecordService>()
         browseArticleProblemsService = mockk<BrowseArticleProblemsService>()
-        articleViewHisAsyncHandler = mockk<ArticleViewHisAsyncHandler>()
         articleViewCountHandler = mockk<ArticleViewCountHandler>()
+        applicationEventPublisher = mockk<ApplicationEventPublisher>()
+
         useCase = ReadArticleUseCase(
             articleDao,
             readArticleWriterRecordService,
             browseArticleProblemsService,
-            articleViewHisAsyncHandler,
-            articleViewCountHandler
+            articleViewCountHandler,
+            applicationEventPublisher
         )
     }
 
@@ -80,9 +82,7 @@ class ReadArticleUseCaseTest : BehaviorSpec({
             val views = 1L
             every { articleViewCountHandler.browseArticleViewCount(any()) } returns views
 
-            every { articleViewHisAsyncHandler.addArticleViewHis(any(), any(), any()) } answers {
-                log.debug { "Inserting article view history asynchronously" }
-            }
+            every { applicationEventPublisher.publishEvent(any(ReadArticleEvent::class)) } just Runs
 
             then("아티클과 연관된 정보를 조회한다") {
                 val useCaseOut = useCase.execute(useCaseIn)
@@ -103,7 +103,7 @@ class ReadArticleUseCaseTest : BehaviorSpec({
                 verify(exactly = 1) { readArticleWriterRecordService.execute(any()) }
                 verify(exactly = 1) { browseArticleProblemsService.execute(any()) }
                 verify(exactly = 1) { articleViewCountHandler.browseArticleViewCount(any()) }
-                verify(exactly = 1) { articleViewHisAsyncHandler.addArticleViewHis(any(), any(), any()) }
+                verify(exactly = 1) { applicationEventPublisher.publishEvent(any(ReadArticleEvent::class)) }
             }
         }
 
@@ -117,7 +117,7 @@ class ReadArticleUseCaseTest : BehaviorSpec({
                 verify(exactly = 0) { readArticleWriterRecordService.execute(any()) }
                 verify(exactly = 0) { browseArticleProblemsService.execute(any()) }
                 verify(exactly = 0) { articleViewCountHandler.browseArticleViewCount(any()) }
-                verify(exactly = 0) { articleViewHisAsyncHandler.addArticleViewHis(any(), any(), any()) }
+                verify(exactly = 0) { applicationEventPublisher.publishEvent(any(ReadArticleEvent::class)) }
             }
         }
 
@@ -146,7 +146,7 @@ class ReadArticleUseCaseTest : BehaviorSpec({
                 verify(exactly = 1) { readArticleWriterRecordService.execute(any()) }
                 verify(exactly = 0) { browseArticleProblemsService.execute(any()) }
                 verify(exactly = 0) { articleViewCountHandler.browseArticleViewCount(any()) }
-                verify(exactly = 0) { articleViewHisAsyncHandler.addArticleViewHis(any(), any(), any()) }
+                verify(exactly = 0) { applicationEventPublisher.publishEvent(any(ReadArticleEvent::class)) }
             }
         }
     }

api/src/test/kotlin/com/few/api/web/controller/ControllerTestSpec.kt

@@ -4,7 +4,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.few.api.ApiMain
 import com.few.api.domain.admin.document.usecase.*
 import com.few.api.domain.article.usecase.ReadArticleUseCase
-import com.few.api.domain.article.usecase.ReadArticlesUseCase
+import com.few.api.domain.article.usecase.BrowseArticlesUseCase
 import com.few.api.domain.log.AddApiLogUseCase
 import com.few.api.domain.member.usecase.SaveMemberUseCase
 import com.few.api.domain.member.usecase.TokenUseCase
@@ -73,7 +73,7 @@ abstract class ControllerTestSpec {
     lateinit var readArticleUseCase: ReadArticleUseCase
 
     @MockBean
-    lateinit var readArticlesUseCase: ReadArticlesUseCase
+    lateinit var browseArticlesUseCase: BrowseArticlesUseCase
 
     /** MemberControllerTest */
     @MockBean

api/src/test/kotlin/com/few/api/web/controller/article/ArticleControllerTest.kt

@@ -169,7 +169,7 @@ class ArticleControllerTest : ControllerTestSpec() {
             }.toList(),
             true
         )
-        `when`(readArticlesUseCase.execute(useCaseIn)).thenReturn(useCaseOut)
+        `when`(browseArticlesUseCase.execute(useCaseIn)).thenReturn(useCaseOut)
 
         // when
         mockMvc.perform(