feat :: Add Update BannerLink

src/main/kotlin/hs/kr/equus/feed/domain/banner/exception/BannerLinkNotFoundException.kt

@@ -0,0 +1,8 @@
+package hs.kr.equus.feed.domain.banner.exception
+
+import hs.kr.equus.feed.global.error.exception.EquusException
+import hs.kr.equus.feed.global.error.exception.ErrorCode
+
+object BannerLinkNotFoundException : EquusException (
+    ErrorCode.BANNERLINK_NOT_FOUND
+)

src/main/kotlin/hs/kr/equus/feed/domain/banner/presentation/BannerLinkController.kt

@@ -1,21 +1,32 @@
 package hs.kr.equus.feed.domain.banner.presentation
 
 import hs.kr.equus.feed.domain.banner.service.CreateBannerLinkService
+import hs.kr.equus.feed.domain.banner.service.UpdateBannerLinkService
 import org.springframework.http.HttpStatus
+import org.springframework.lang.Nullable
+import org.springframework.web.bind.annotation.PatchMapping
+import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestPart
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.multipart.MultipartFile
+import java.util.UUID
 
 @RequestMapping("/banner")
 @RestController
 class BannerLinkController(
-    private val createBannerLinkService: CreateBannerLinkService
+    private val createBannerLinkService: CreateBannerLinkService,
+    private val updateBannerLinkService: UpdateBannerLinkService
 ) {
     @ResponseStatus(HttpStatus.CREATED)
     @PostMapping
     fun createBannerLink(@RequestPart(name = "photo") file: MultipartFile): String =
         createBannerLinkService.execute(file)
+
+    @PatchMapping("/{banner-id}")
+    fun updateBannerLink(@RequestPart(name = "photo") @Nullable file: MultipartFile,
+    @PathVariable("banner-id") bannerId : UUID): String =
+        updateBannerLinkService.execute(file, bannerId)
 }

src/main/kotlin/hs/kr/equus/feed/domain/banner/service/UpdateBannerLinkService.kt

@@ -0,0 +1,28 @@
+package hs.kr.equus.feed.domain.banner.service
+
+import hs.kr.equus.feed.domain.banner.domain.BannerLink
+import hs.kr.equus.feed.domain.banner.domain.repository.BannerLinkRepository
+import hs.kr.equus.feed.domain.banner.exception.BannerLinkNotFoundException
+import hs.kr.equus.feed.global.utils.s3.S3Utils
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import org.springframework.web.multipart.MultipartFile
+import java.util.UUID
+
+@Service
+class UpdateBannerLinkService (
+    private val bannerLinkRepository: BannerLinkRepository,
+    private val s3Utils: S3Utils
+){
+    @Transactional
+    fun execute(file : MultipartFile, id : UUID) : String {
+        val bannerLink : BannerLink = bannerLinkRepository.findById(id)
+            .orElseThrow {BannerLinkNotFoundException}
+
+        val fileName = s3Utils.upload(file, "banner/")
+
+        bannerLink.updateBanner(fileName)
+
+        return s3Utils.generateObjectUrl(fileName)
+    }
+}

src/main/kotlin/hs/kr/equus/feed/global/error/exception/ErrorCode.kt

@@ -26,6 +26,7 @@ enum class ErrorCode(
     QUESTION_NOT_FOUND(404, "Question Not Found"),
     REPLY_NOT_FOUND(404, "Reply Not Found"),
     FAQ_NOT_FOUND(404, "Faq Not Found"),
+    BANNERLINK_NOT_FOUND(404, "BannerLink Not Found"),
 
     // Conflict
     REPLY_EXISTS(409, "Reply Already Exists")