feat(creator): 대화하기 채팅방 진입을 연결한다

SodaLive/Sources/V2/CreatorChannel/CreatorChannelViewModel.swift

@@ -121,6 +121,42 @@ final class CreatorChannelViewModel: ObservableObject {
             .store(in: &subscription)
     }
 
+    func createChatRoom(characterId: Int, onSuccess: @escaping (Int) -> Void) {
+        guard characterId > 0 else { return }
+        isLoading = true
+
+        repository.createChatRoom(characterId: characterId)
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] result in
+                switch result {
+                case .finished:
+                    DEBUG_LOG("finish")
+                case .failure(let error):
+                    ERROR_LOG(error.localizedDescription)
+                    self?.isLoading = false
+                }
+            } receiveValue: { [weak self] response in
+                self?.isLoading = false
+
+                do {
+                    let jsonDecoder = JSONDecoder()
+                    let decoded = try jsonDecoder.decode(ApiResponse<CreateChatRoomResponse>.self, from: response.data)
+
+                    if let data = decoded.data, decoded.success {
+                        onSuccess(data.chatRoomId)
+                    } else {
+                        self?.errorMessage = decoded.message ?? I18n.Common.commonError
+                        self?.isShowPopup = true
+                    }
+                } catch {
+                    ERROR_LOG(error.localizedDescription)
+                    self?.errorMessage = I18n.Common.commonError
+                    self?.isShowPopup = true
+                }
+            }
+            .store(in: &subscription)
+    }
+
     private func applyApiFailedPlaceholderState() {
         response = nil
         isApiFailedPlaceholderVisible = true