fix(creator): 팬Talk 답글 응답을 반영한다

SodaLive/Sources/V2/CreatorChannel/ReplyDetail/CreatorChannelReplyDetailViewModel.swift

@@ -6,7 +6,6 @@ final class CreatorChannelReplyDetailViewModel: ObservableObject {
     private let communityRepository = CreatorCommunityRepository()
     private let v2CommunityRepository = CreatorChannelCommunityRepository()
     private let explorerRepository = ExplorerRepository()
-    private let fanTalkRepository = CreatorChannelFanTalkRepository()
     private var subscription = Set<AnyCancellable>()
     private var context: CreatorChannelReplyDetailContext?
     private var onFanTalkRefresh: (() -> Void)?
@@ -15,7 +14,6 @@ final class CreatorChannelReplyDetailViewModel: ObservableObject {
     private let communityReplyPageSize = 20
     private var communityReplyTotalCount = 0
     private var isCommunityReplyLast = false
-    private let fanTalkReplyPageSize = 20
 
     @Published var replyText = ""
     @Published var parentItem: CreatorChannelReplyDetailDisplayItem?
@@ -317,49 +315,7 @@ final class CreatorChannelReplyDetailViewModel: ObservableObject {
                     self.applyFailureState()
                 }
             } receiveValue: { [weak self] response in
-                self?.handleFanTalkMutationResponse(response)
-            }
-            .store(in: &subscription)
-    }
-
-
-    private func fetchFanTalkReplies(page: Int = 0) {
-        guard case .fanTalk(let creatorId, let parentFanTalk) = context else { return }
-
-        fanTalkRepository.getFanTalks(creatorId: creatorId, page: page, size: fanTalkReplyPageSize)
-            .sink { [weak self] result in
-                guard let self else { return }
-                if case .failure(let error) = result {
-                    ERROR_LOG(error.localizedDescription)
-                    self.applyFailureState()
-                }
-            } receiveValue: { [weak self] response in
-                guard let self else { return }
-
-                do {
-                    let decoded = try JSONDecoder().decode(ApiResponse<CreatorChannelFanTalkTabResponse>.self, from: response.data)
-                    if let data = decoded.data, decoded.success {
-                        if let fanTalk = data.fanTalks.first(where: { $0.fanTalkId == parentFanTalk.fanTalkId }) {
-                            self.isLoading = false
-                            self.replies = fanTalk.latestCreatorReply.map {
-                                CreatorChannelReplyDetailDisplayItem(fanTalkReply: $0, creatorId: creatorId)
-                            }.map { [$0] } ?? []
-                        } else if data.hasNext {
-                            self.fetchFanTalkReplies(page: page + 1)
-                        } else {
-                            self.isLoading = false
-                        }
-                    } else {
-                        self.isLoading = false
-                        self.errorMessage = decoded.message ?? I18n.Common.commonError
-                        self.isShowPopup = true
-                    }
-                } catch {
-                    ERROR_LOG(error.localizedDescription)
-                    self.isLoading = false
-                    self.errorMessage = I18n.Common.commonError
-                    self.isShowPopup = true
-                }
+                self?.handleFanTalkDeleteResponse(response)
             }
             .store(in: &subscription)
     }
@@ -388,11 +344,9 @@ final class CreatorChannelReplyDetailViewModel: ObservableObject {
         isLoading = false
 
         do {
-            let decoded = try JSONDecoder().decode(ApiResponseWithoutData.self, from: response.data)
-            if decoded.success {
-                applyLocalSuccessState()
-                onFanTalkRefresh?()
-                fetchFanTalkReplies()
+            let decoded = try JSONDecoder().decode(ApiResponse<CreatorChannelFanTalkReplyResponse>.self, from: response.data)
+            if let data = decoded.data, decoded.success {
+                applyFanTalkReply(data)
             } else {
                 errorMessage = decoded.message ?? I18n.Common.commonError
                 isShowPopup = true
@@ -404,6 +358,41 @@ final class CreatorChannelReplyDetailViewModel: ObservableObject {
         }
     }
 
+    private func handleFanTalkDeleteResponse(_ response: Moya.Response) {
+        isLoading = false
+
+        do {
+            let decoded = try JSONDecoder().decode(ApiResponseWithoutData.self, from: response.data)
+            if decoded.success {
+                applyLocalSuccessState()
+                onFanTalkRefresh?()
+            } else {
+                errorMessage = decoded.message ?? I18n.Common.commonError
+                isShowPopup = true
+            }
+        } catch {
+            ERROR_LOG(error.localizedDescription)
+            errorMessage = I18n.Common.commonError
+            isShowPopup = true
+        }
+    }
+
+    private func applyFanTalkReply(_ response: CreatorChannelFanTalkReplyResponse) {
+        let item = CreatorChannelReplyDetailDisplayItem(fanTalkReply: response, creatorId: contextCreatorId)
+
+        if let editingItem,
+           let index = replies.firstIndex(where: { $0.id == editingItem.id && $0.source == editingItem.source }) {
+            replies[index] = item
+        } else {
+            replies = [item]
+        }
+
+        replyText = ""
+        editingItem = nil
+        deletingItem = nil
+        onFanTalkRefresh?()
+    }
+
 
     private func applyLocalSuccessState() {
         let trimmedReplyText = replyText.trimmingCharacters(in: .whitespacesAndNewlines)