feat(main): 홈 대화 탭을 추가한다

2026-07-08 15:54:07 +09:00
parent 403eee262f
commit 09443761af
13 changed files with 938 additions and 23 deletions
--- a/SodaLive/Sources/V2/Main/Chat/MainChatViewModel.swift
+++ b/SodaLive/Sources/V2/Main/Chat/MainChatViewModel.swift
@@ -0,0 +1,119 @@
+import Foundation
+import Combine
+
+final class MainChatViewModel: ObservableObject {
+    private let repository = MainChatRepository()
+    private var subscription = Set<AnyCancellable>()
+    private var latestRequestId = 0
+
+    @Published var rooms = [MainChatRoomItem]()
+    @Published var selectedFilter: MainChatFilter = .all
+    @Published var isLoading = false
+    @Published var isLoadingNextPage = false
+    @Published var hasMore = false
+    @Published var nextCursor: String?
+    @Published var hasLoaded = false
+    @Published var errorMessage = ""
+    @Published var isShowPopup = false
+
+    var shouldShowEmptyState: Bool {
+        hasLoaded && isLoading == false && rooms.isEmpty
+    }
+
+    func fetchFirstPageIfNeeded() {
+        guard hasLoaded == false else { return }
+        fetchFirstPage(filter: selectedFilter)
+    }
+
+    func fetchFirstPage(filter: MainChatFilter) {
+        selectedFilter = filter
+        clearRooms()
+        fetchChatRooms(filter: filter, cursor: nil, isNextPage: false)
+    }
+
+    func applyFilter(_ filter: MainChatFilter) {
+        guard selectedFilter != filter else { return }
+        fetchFirstPage(filter: filter)
+    }
+
+    func fetchNextPageIfNeeded(currentItem: MainChatRoomItem) {
+        guard rooms.last?.roomId == currentItem.roomId else { return }
+        guard hasMore, let nextCursor, isLoading == false, isLoadingNextPage == false else { return }
+        fetchChatRooms(filter: selectedFilter, cursor: nextCursor, isNextPage: true)
+    }
+
+    private func fetchChatRooms(filter: MainChatFilter, cursor: String?, isNextPage: Bool) {
+        latestRequestId += 1
+        let requestId = latestRequestId
+
+        if isNextPage {
+            isLoadingNextPage = true
+        } else {
+            isLoading = true
+        }
+
+        repository.getChatRooms(filter: filter.queryValue, cursor: cursor)
+            .sink { [weak self] result in
+                guard let self else { return }
+                guard requestId == self.latestRequestId else { return }
+
+                switch result {
+                case .finished:
+                    DEBUG_LOG("finish")
+                case .failure(let error):
+                    ERROR_LOG(error.localizedDescription)
+                    self.applyFailureState()
+                }
+            } receiveValue: { [weak self] response in
+                guard let self else { return }
+                guard requestId == self.latestRequestId else { return }
+
+                do {
+                    let jsonDecoder = JSONDecoder()
+                    let decoded = try jsonDecoder.decode(ApiResponse<MainChatRoomsResponse>.self, from: response.data)
+
+                    if let data = decoded.data, decoded.success {
+                        self.applySuccessState(data, isNextPage: isNextPage)
+                    } else {
+                        self.errorMessage = decoded.message ?? I18n.MainChat.loadFailedMessage
+                        self.isShowPopup = true
+                    }
+                } catch {
+                    ERROR_LOG(error.localizedDescription)
+                    self.errorMessage = I18n.MainChat.loadFailedMessage
+                    self.isShowPopup = true
+                }
+
+                self.hasLoaded = true
+                self.isLoading = false
+                self.isLoadingNextPage = false
+            }
+            .store(in: &subscription)
+    }
+
+    private func applySuccessState(_ data: MainChatRoomsResponse, isNextPage: Bool) {
+        hasMore = data.hasMore
+        nextCursor = data.nextCursor
+
+        if isNextPage {
+            rooms.append(contentsOf: data.rooms)
+        } else {
+            rooms = data.rooms
+        }
+    }
+
+    private func applyFailureState() {
+        errorMessage = I18n.MainChat.loadFailedMessage
+        isShowPopup = true
+        hasLoaded = true
+        isLoading = false
+        isLoadingNextPage = false
+    }
+
+    private func clearRooms() {
+        rooms = []
+        hasMore = false
+        nextCursor = nil
+        hasLoaded = false
+    }
+}