fix(content-preference): 멤버 콘텐츠 선호 신규 생성 정책을 저장값 기준으로 정리한다

src/main/kotlin/kr/co/vividnext/sodalive/member/contentpreference/MemberContentPreferenceService.kt

@@ -23,6 +23,11 @@ class MemberContentPreferenceService(
     private val countryContext: CountryContext,
     private val cacheManager: CacheManager
 ) {
+    private data class PreferenceSeed(
+        val isAdultContentVisible: Boolean,
+        val contentType: ContentType
+    )
+
     companion object {
         private const val RECOMMEND_LIVE_CACHE_NAME = "cache_ttl_3_hours"
         private const val RECOMMEND_LIVE_CACHE_KEY_PREFIX = "getRecommendLive:"
@@ -32,6 +37,19 @@ class MemberContentPreferenceService(
 
     @Transactional
     fun initializeDefaultPreference(member: Member): MemberContentPreference {
+        return initializeDefaultPreference(
+            member = member,
+            seed = PreferenceSeed(
+                isAdultContentVisible = false,
+                contentType = ContentType.ALL
+            )
+        )
+    }
+
+    private fun initializeDefaultPreference(
+        member: Member,
+        seed: PreferenceSeed
+    ): MemberContentPreference {
         val memberId = requireMemberId(member)
 
         val existingPreference = repository.findByMemberId(memberId)
@@ -49,8 +67,8 @@ class MemberContentPreferenceService(
 
         val now = LocalDateTime.now()
         val preference = MemberContentPreference(
-            isAdultContentVisible = false,
-            contentType = ContentType.ALL,
+            isAdultContentVisible = seed.isAdultContentVisible,
+            contentType = seed.contentType,
             adultContentVisibilityChangedAt = now,
             contentTypeChangedAt = now
         )
@@ -69,24 +87,15 @@ class MemberContentPreferenceService(
         isAdultContentVisible: Boolean?,
         contentType: ContentType?
     ): ViewerContentPreference {
-        val preference = initializeDefaultPreference(member)
-        val countryCode = resolveCountryCode(member)
-
-        val hasChanged = if (isAdultContentVisible != null || contentType != null) {
-            applyRequestValues(
-                preference = preference,
+        val preference = initializeDefaultPreference(
+            member = member,
+            seed = resolvePreferenceSeedForQuery(
                 member = member,
-                countryCode = countryCode,
                 isAdultContentVisible = isAdultContentVisible,
                 contentType = contentType
             )
-        } else {
-            false
-        }
-
-        if (hasChanged) {
-            evictRecommendLiveCacheAfterCommit(requireMemberId(member))
-        }
+        )
+        val countryCode = resolveCountryCode(member)
 
         return toViewerContentPreference(
             countryCode = countryCode,
@@ -169,6 +178,24 @@ class MemberContentPreferenceService(
         }
     }
 
+    private fun resolvePreferenceSeedForQuery(
+        member: Member,
+        isAdultContentVisible: Boolean?,
+        contentType: ContentType?
+    ): PreferenceSeed {
+        if (member.auth == null) {
+            return PreferenceSeed(
+                isAdultContentVisible = false,
+                contentType = ContentType.ALL
+            )
+        }
+
+        return PreferenceSeed(
+            isAdultContentVisible = isAdultContentVisible ?: true,
+            contentType = contentType ?: ContentType.ALL
+        )
+    }
+
     private fun applyRequestValues(
         preference: MemberContentPreference,
         member: Member,