f686480cdc
- 在yana/Utils中新增ImageCacheManager类，提供内存和磁盘缓存功能，支持图片的异步加载和预加载。 - 更新FeedView，使用优化后的动态卡片组件OptimizedDynamicCardView，集成图片缓存，提升用户体验。 - 在yana/yana-Bridging-Header.h中引入CommonCrypto以支持MD5哈希。 - 更新FeedFeature以增加动态请求的页面大小，提升数据加载效率。 - 删除不再使用的data.txt文件，保持项目整洁。
120 lines
4.0 KiB
Swift
120 lines
4.0 KiB
Swift
import Foundation
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import ComposableArchitecture
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@Reducer
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struct FeedFeature {
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@ObservableState
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struct State: Equatable {
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var moments: [MomentsInfo] = []
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var isLoading = false
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var hasMoreData = true
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var error: String?
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var nextDynamicId: Int = 0
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// 是否已初始化
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var isInitialized = false
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}
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enum Action: Equatable {
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case onAppear
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case loadLatestMoments
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case loadMoreMoments
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case momentsResponse(TaskResult<MomentsLatestResponse>)
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case clearError
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case retryLoad
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}
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@Dependency(\.apiService) var apiService
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var body: some ReducerOf<Self> {
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Reduce { state, action in
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switch action {
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case .onAppear:
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// 只在首次出现时触发加载
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guard !state.isInitialized else { return .none }
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state.isInitialized = true
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return .send(.loadLatestMoments)
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case .loadLatestMoments:
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// 加载最新数据（下拉刷新）
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state.isLoading = true
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state.error = nil
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let request = LatestDynamicsRequest(
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dynamicId: "", // 首次加载传空字符串
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pageSize: 20,
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types: [.text, .picture]
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)
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return .run { send in
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await send(.momentsResponse(TaskResult {
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try await apiService.request(request)
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}))
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}
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case .loadMoreMoments:
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// 加载更多数据（分页加载）
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guard !state.isLoading && state.hasMoreData else { return .none }
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state.isLoading = true
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state.error = nil
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let request = LatestDynamicsRequest(
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dynamicId: state.nextDynamicId == 0 ? "" : String(state.nextDynamicId),
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pageSize: 20,
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types: [.text, .picture]
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)
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return .run { send in
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await send(.momentsResponse(TaskResult {
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try await apiService.request(request)
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}))
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}
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case let .momentsResponse(.success(response)):
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state.isLoading = false
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// 检查响应状态
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guard response.code == 200, let data = response.data else {
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state.error = response.message.isEmpty ? "获取动态失败" : response.message
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return .none
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}
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// 判断是刷新还是加载更多
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let isRefresh = state.nextDynamicId == 0
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if isRefresh {
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// 刷新：替换所有数据
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state.moments = data.dynamicList
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} else {
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// 加载更多：追加到现有数据
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state.moments.append(contentsOf: data.dynamicList)
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}
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// 更新分页状态
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state.nextDynamicId = data.nextDynamicId
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state.hasMoreData = !data.dynamicList.isEmpty
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return .none
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case let .momentsResponse(.failure(error)):
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state.isLoading = false
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state.error = error.localizedDescription
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return .none
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case .clearError:
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state.error = nil
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return .none
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case .retryLoad:
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// 重试加载
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if state.moments.isEmpty {
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return .send(.loadLatestMoments)
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} else {
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return .send(.loadMoreMoments)
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}
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}
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}
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}
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}
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