65c74db837
- 修改发布逻辑，允许在内容为空时仍可发布图片，提升用户灵活性。 - 更新错误提示信息，明确用户需要输入内容或选择图片。 - 调整发布按钮显示逻辑，仅在键盘隐藏时显示，优化界面布局。 - 增加工具栏标题，提升用户界面友好性。 - 优化发布按钮样式，增加圆角和渐变背景，提升视觉效果。
293 lines
12 KiB
Swift
293 lines
12 KiB
Swift
import Foundation
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import ComposableArchitecture
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import SwiftUI
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import PhotosUI
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@Reducer
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struct CreateFeedFeature {
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@ObservableState
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struct State: Equatable {
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var content: String = ""
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var processedImages: [UIImage] = []
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var errorMessage: String? = nil
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var characterCount: Int = 0
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var selectedImages: [PhotosPickerItem] = []
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var canAddMoreImages: Bool {
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processedImages.count < 9
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}
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var canPublish: Bool {
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(!content.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty || !processedImages.isEmpty) && !isLoading
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}
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var isLoading: Bool = false
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// 新增：图片上传相关状态
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var uploadedImageUrls: [String] = []
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var uploadedImages: [UIImage] = [] // 保存原始图片用于获取尺寸信息
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var isUploadingImages: Bool = false
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var uploadProgress: Double = 0.0
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var uploadStatus: String = ""
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init() {
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// 默认初始化
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}
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}
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enum Action {
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case contentChanged(String)
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case publishButtonTapped
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case publishResponse(Result<PublishFeedResponse, Error>)
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case clearError
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case dismissView
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case photosPickerItemsChanged([PhotosPickerItem])
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case processPhotosPickerItems([PhotosPickerItem])
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case removeImage(Int)
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case updateProcessedImages([UIImage])
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// 新增：图片上传相关 Action
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case uploadImagesToCOS
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case imageUploadProgress(Double, Int, Int) // progress, current, total
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case imageUploadCompleted([String], [UIImage]) // urls, images
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case imageUploadFailed(Error)
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case publishContent
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// 新增：发布成功通知
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case publishSuccess
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}
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@Dependency(\.apiService) var apiService
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@Dependency(\.dismiss) var dismiss
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@Dependency(\.isPresented) var isPresented
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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 .contentChanged(let newContent):
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state.content = newContent
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state.characterCount = newContent.count
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return .none
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case .photosPickerItemsChanged(let items):
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state.selectedImages = items
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return .run { send in
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await send(.processPhotosPickerItems(items))
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}
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case .processPhotosPickerItems(let items):
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let currentImages = state.processedImages
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return .run { send in
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var newImages = currentImages
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for item in items {
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guard let data = try? await item.loadTransferable(type: Data.self),
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let image = UIImage(data: data) else { continue }
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if newImages.count < 9 {
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newImages.append(image)
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}
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}
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await MainActor.run {
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send(.updateProcessedImages(newImages))
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}
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}
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case .updateProcessedImages(let images):
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state.processedImages = images
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// 清空之前的上传结果
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state.uploadedImageUrls = []
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return .none
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case .removeImage(let index):
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guard index < state.processedImages.count else { return .none }
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state.processedImages.remove(at: index)
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if index < state.selectedImages.count {
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state.selectedImages.remove(at: index)
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}
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// 同时移除对应的上传链接
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if index < state.uploadedImageUrls.count {
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state.uploadedImageUrls.remove(at: index)
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}
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return .none
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case .publishButtonTapped:
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guard state.canPublish else {
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state.errorMessage = "请输入内容或选择图片"
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return .none
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}
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// 如果有图片且还没有上传，先上传图片
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if !state.processedImages.isEmpty && state.uploadedImageUrls.isEmpty {
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return .send(.uploadImagesToCOS)
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}
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// 直接发布（图片已上传或没有图片）
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return .send(.publishContent)
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case .uploadImagesToCOS:
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guard !state.processedImages.isEmpty else {
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return .send(.publishContent)
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}
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state.isUploadingImages = true
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state.uploadProgress = 0.0
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state.uploadStatus = "正在上传图片..."
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state.errorMessage = nil
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// 提取状态值到局部变量，避免在 @Sendable 闭包中访问 inout 参数
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let imagesToUpload = state.processedImages
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return .run { send in
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var uploadedUrls: [String] = []
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var uploadedImages: [UIImage] = []
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let totalImages = imagesToUpload.count
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for (index, image) in imagesToUpload.enumerated() {
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// 更新上传进度
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await send(.imageUploadProgress(Double(index) / Double(totalImages), index + 1, totalImages))
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// 上传图片到 COS
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if let imageUrl = await COSManager.shared.uploadUIImage(image, apiService: apiService) {
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uploadedUrls.append(imageUrl)
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uploadedImages.append(image) // 保存原始图片
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} else {
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// 上传失败
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await send(.imageUploadFailed(APIError.custom("图片上传失败")))
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return
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}
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}
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// 所有图片上传完成
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await send(.imageUploadProgress(1.0, totalImages, totalImages))
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await send(.imageUploadCompleted(uploadedUrls, uploadedImages))
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}
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case .imageUploadProgress(let progress, let current, let total):
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state.uploadProgress = progress
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state.uploadStatus = "正在上传图片... (\(current)/\(total))"
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return .none
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case .imageUploadCompleted(let urls, let images):
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state.isUploadingImages = false
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state.uploadedImageUrls = urls
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state.uploadedImages = images
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state.uploadStatus = "图片上传完成"
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// 上传完成后自动发布内容
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return .send(.publishContent)
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case .imageUploadFailed(let error):
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state.isUploadingImages = false
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state.errorMessage = "图片上传失败: \(error.localizedDescription)"
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return .none
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case .publishContent:
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state.isLoading = true
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state.errorMessage = nil
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// 提取状态值到局部变量，避免在 @Sendable 闭包中访问 inout 参数
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let content = state.content.trimmingCharacters(in: .whitespacesAndNewlines)
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let imageUrls = state.uploadedImageUrls
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let images = state.uploadedImages
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return .run { send in
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do {
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// 构建 ResListItem 数组
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var resList: [ResListItem] = []
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for (index, imageUrl) in imageUrls.enumerated() {
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if index < images.count, let cgImage = images[index].cgImage {
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let width = cgImage.width
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let height = cgImage.height
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let format = "jpeg"
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let item = ResListItem(resUrl: imageUrl, width: width, height: height, format: format)
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resList.append(item)
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}
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}
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// 使用 PublishFeedRequest 而不是 PublishDynamicRequest
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let userId = await UserInfoManager.getCurrentUserId() ?? ""
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let type = resList.isEmpty ? "0" : "2" // 0: 纯文字, 2: 图片
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let request = await PublishFeedRequest.make(
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content: content.isEmpty ? "" : content,
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uid: userId,
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type: type,
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resList: resList.isEmpty ? nil : resList
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)
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let response = try await apiService.request(request)
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await send(.publishResponse(.success(response)))
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} catch {
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await send(.publishResponse(.failure(error)))
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}
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}
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case .publishResponse(.success(let response)):
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state.isLoading = false
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if response.code == 200 {
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// 发布成功，先发送通知，然后关闭页面
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return .merge(
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.send(.publishSuccess),
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.send(.dismissView)
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)
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} else {
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state.errorMessage = response.message.isEmpty ? "发布失败" : response.message
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return .none
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}
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case .publishResponse(.failure(let error)):
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state.isLoading = false
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state.errorMessage = error.localizedDescription
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return .none
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case .clearError:
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state.errorMessage = nil
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return .none
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case .dismissView:
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guard isPresented else {
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return .none
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}
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return .run { _ in
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await dismiss()
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}
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case .publishSuccess:
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// 发送通知给外层刷新列表
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return .run { _ in
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NotificationCenter.default.post(name: .init("CreateFeedPublishSuccess"), object: nil)
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}
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}
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}
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}
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}
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extension CreateFeedFeature.Action: Equatable {
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static func == (lhs: CreateFeedFeature.Action, rhs: CreateFeedFeature.Action) -> Bool {
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switch (lhs, rhs) {
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case let (.contentChanged(a), .contentChanged(b)):
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return a == b
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case (.publishButtonTapped, .publishButtonTapped):
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return true
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case (.clearError, .clearError):
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return true
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case (.dismissView, .dismissView):
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return true
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case let (.removeImage(a), .removeImage(b)):
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return a == b
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case (.uploadImagesToCOS, .uploadImagesToCOS):
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return true
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case let (.imageUploadProgress(a, b, c), .imageUploadProgress(d, e, f)):
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return a == d && b == e && c == f
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case let (.imageUploadCompleted(a, c), .imageUploadCompleted(b, d)):
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return a == b && c.count == d.count // 简化比较，只比较URL数组和图片数量
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case let (.imageUploadFailed(a), .imageUploadFailed(b)):
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return a.localizedDescription == b.localizedDescription
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case (.publishContent, .publishContent):
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return true
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case (.publishSuccess, .publishSuccess):
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return true
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default:
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return false
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}
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}
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}
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// MARK: - 发布动态相关模型
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// 注意：现在使用 DynamicsModels.swift 中的 PublishFeedRequest 和 PublishFeedResponse
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// 不再需要重复定义这些模型
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