feat(series-banner): 시리즈 배너를 언어별로 등록하고 노출한다

src/main/kotlin/kr/co/vividnext/sodalive/admin/content/series/banner/AdminContentSeriesBannerController.kt

@@ -56,7 +56,9 @@ class AdminContentSeriesBannerController(
         val banners = bannerService.getActiveBanners(pageable)
         val response = SeriesBannerListPageResponse(
             totalCount = banners.totalElements,
-            content = banners.content.map { SeriesBannerResponse.from(it, imageHost) }
+            content = banners.content.map {
+                SeriesBannerResponse.from(it, imageHost, appendLanguageToSeriesTitle = true)
+            }
         )
         ApiResponse.ok(response)
     }
@@ -82,7 +84,7 @@ class AdminContentSeriesBannerController(
         val objectMapper = ObjectMapper()
         val request = objectMapper.readValue(requestString, SeriesBannerRegisterRequest::class.java)
 
-        val banner = bannerService.registerBanner(seriesId = request.seriesId, imagePath = "")
+        val banner = bannerService.registerBanner(seriesId = request.seriesId, imagePath = "", lang = request.lang)
         val imagePath = saveImage(banner.id!!, image)
         val updatedBanner = bannerService.updateBanner(banner.id!!, imagePath)
         val response = SeriesBannerResponse.from(updatedBanner, imageHost)

src/main/kotlin/kr/co/vividnext/sodalive/admin/content/series/banner/dto/SeriesBannerDtos.kt

@@ -2,10 +2,12 @@ package kr.co.vividnext.sodalive.admin.content.series.banner.dto
 
 import com.fasterxml.jackson.annotation.JsonProperty
 import kr.co.vividnext.sodalive.content.series.main.banner.SeriesBanner
+import kr.co.vividnext.sodalive.i18n.Lang
 
 // 시리즈 배너 등록 요청 DTO
 data class SeriesBannerRegisterRequest(
-    @JsonProperty("seriesId") val seriesId: Long
+    @JsonProperty("seriesId") val seriesId: Long,
+    @JsonProperty("lang") val lang: Lang? = null
 )
 
 // 시리즈 배너 수정 요청 DTO
@@ -22,14 +24,30 @@ data class SeriesBannerResponse(
     val seriesTitle: String
 ) {
     companion object {
-        fun from(banner: SeriesBanner, imageHost: String): SeriesBannerResponse {
+        fun from(
+            banner: SeriesBanner,
+            imageHost: String,
+            appendLanguageToSeriesTitle: Boolean = false
+        ): SeriesBannerResponse {
             return SeriesBannerResponse(
                 id = banner.id!!,
                 imagePath = "$imageHost/${banner.imagePath}",
                 seriesId = banner.series.id!!,
-                seriesTitle = banner.series.title
+                seriesTitle = if (appendLanguageToSeriesTitle) {
+                    "${banner.series.title} (${getLanguageLabel(banner.lang)})"
+                } else {
+                    banner.series.title
+                }
             )
         }
+
+        private fun getLanguageLabel(lang: Lang): String {
+            return when (lang) {
+                Lang.KO -> "한국어"
+                Lang.EN -> "영어"
+                Lang.JA -> "일본어"
+            }
+        }
     }
 }