79fc03b52a
- 移除DataMigrationManager类，简化数据迁移逻辑。 - 在FeedListView和MeView中新增图片预览功能，提升用户体验。 - 更新OptimizedDynamicCardView以支持图片点击回调，增强交互性。 - 新增PreviewItem结构体以管理图片预览状态，提升代码可读性与维护性。 - 清理AppDelegate中的冗余代码，优化启动流程。
292 lines
11 KiB
Swift
292 lines
11 KiB
Swift
import SwiftUI
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import ComposableArchitecture
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import Foundation
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// MARK: - 优化的动态卡片组件
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struct OptimizedDynamicCardView: View {
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let moment: MomentsInfo
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let allMoments: [MomentsInfo]
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let currentIndex: Int
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// 新增：图片点击回调
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let onImageTap: (_ images: [String], _ index: Int) -> Void
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init(moment: MomentsInfo, allMoments: [MomentsInfo], currentIndex: Int, onImageTap: @escaping (_ images: [String], _ index: Int) -> Void) {
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self.moment = moment
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self.allMoments = allMoments
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self.currentIndex = currentIndex
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self.onImageTap = onImageTap
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}
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public var body: some View {
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ZStack {
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// 背景层
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.clear)
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.overlay(
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RoundedRectangle(cornerRadius: 12)
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.stroke(Color.white.opacity(0.1), lineWidth: 1)
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)
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.shadow(color: Color(red: 0.43, green: 0.43, blue: 0.43, opacity: 0.34), radius: 10.7, x: 0, y: 1.9)
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// 内容层
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VStack(alignment: .leading, spacing: 12) {
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// 用户信息
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HStack(alignment: .top) {
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// 头像
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CachedAsyncImage(url: moment.avatar) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Circle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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Text(String(moment.nick.prefix(1)))
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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)
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}
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.frame(width: 40, height: 40)
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.clipShape(Circle())
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VStack(alignment: .leading, spacing: 2) {
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Text(moment.nick)
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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Text("ID: \(moment.uid)")
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.font(.system(size: 12))
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.foregroundColor(.white.opacity(0.6))
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}
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Spacer()
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// 时间（原VIP位置）
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Text(formatDisplayTime(moment.publishTime))
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.font(.system(size: 12, weight: .bold))
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.foregroundColor(.white.opacity(0.8))
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.padding(.horizontal, 6)
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.padding(.vertical, 2)
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.background(Color.white.opacity(0.15))
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.cornerRadius(4)
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}
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// 动态内容
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if !moment.content.isEmpty {
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Text(moment.content)
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.9))
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.multilineTextAlignment(.leading)
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.padding(.leading, 40 + 8) // 与用户名左边对齐
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}
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// 优化的图片网格
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if let images = moment.dynamicResList, !images.isEmpty {
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OptimizedImageGrid(images: images) { tappedIndex in
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let urls = images.map { $0.resUrl ?? "" }
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onImageTap(urls, tappedIndex)
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}
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.padding(.bottom, images.count == 2 ? 46 : 0) // 两张图片时增加底部间距
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}
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// 互动按钮
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HStack(spacing: 20) {
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// Like 按钮左对齐
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Button(action: {}) {
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HStack(spacing: 4) {
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Image(systemName: moment.isLike ? "heart.fill" : "heart")
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.font(.system(size: 16))
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Text("\(moment.likeCount)")
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.font(.system(size: 14))
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}
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.foregroundColor(moment.isLike ? .red : .white.opacity(0.8))
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}
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Spacer()
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}
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.padding(.top, 8)
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}
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.padding(16)
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}
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.onAppear {
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preloadNearbyImages()
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}
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}
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private func formatTime(_ timestamp: Int) -> String {
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let date = Date(timeIntervalSince1970: TimeInterval(timestamp) / 1000.0)
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "zh_CN")
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let now = Date()
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let interval = now.timeIntervalSince(date)
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if interval < 60 {
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return "刚刚"
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} else if interval < 3600 {
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return "\(Int(interval / 60))分钟前"
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} else if interval < 86400 {
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return "\(Int(interval / 3600))小时前"
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} else {
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formatter.dateFormat = "MM-dd HH:mm"
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return formatter.string(from: date)
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}
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}
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// 新增：时间显示逻辑
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private func formatDisplayTime(_ timestamp: Int) -> String {
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let date = Date(timeIntervalSince1970: TimeInterval(timestamp) / 1000.0)
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "zh_CN")
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let now = Date()
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let interval = now.timeIntervalSince(date)
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let calendar = Calendar.current
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if calendar.isDateInToday(date) {
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if interval < 60 {
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return "刚刚"
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} else if interval < 3600 {
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return "\(Int(interval / 60))分钟前"
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} else {
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return "\(Int(interval / 3600))小时前"
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}
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} else {
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formatter.dateFormat = "MM/dd"
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return formatter.string(from: date)
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}
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}
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private func preloadNearbyImages() {
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var urlsToPreload: [String] = []
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let preloadRange = max(0, currentIndex - 2)...min(allMoments.count - 1, currentIndex + 2)
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for index in preloadRange {
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let moment = allMoments[index]
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urlsToPreload.append(moment.avatar)
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if let images = moment.dynamicResList {
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urlsToPreload.append(contentsOf: images.compactMap { $0.resUrl })
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}
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}
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ImageCacheManager.shared.preloadImages(urls: urlsToPreload)
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}
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// 移除批量下载UIImage逻辑，直接用URL数组
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}
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// MARK: - 优化的图片网格
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struct OptimizedImageGrid: View {
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let images: [MomentsPicture]
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let onImageTap: (Int) -> Void
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init(images: [MomentsPicture], onImageTap: @escaping (Int) -> Void) {
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self.images = images
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self.onImageTap = onImageTap
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}
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public var body: some View {
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GeometryReader { geometry in
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let availableWidth = max(geometry.size.width, 1)
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let spacing: CGFloat = 8
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if availableWidth < 10 {
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Color.clear.frame(height: 1)
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} else {
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switch images.count {
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case 1:
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let imageSize: CGFloat = min(availableWidth * 0.6, 200)
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HStack {
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Spacer()
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SquareImageView(image: images[0], size: imageSize) {
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onImageTap(0)
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}
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Spacer()
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}
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case 2:
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let imageSize: CGFloat = (availableWidth - spacing) / 2
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HStack(spacing: spacing) {
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SquareImageView(image: images[0], size: imageSize) {
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onImageTap(0)
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}
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SquareImageView(image: images[1], size: imageSize) {
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onImageTap(1)
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}
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}
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case 3:
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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HStack(spacing: spacing) {
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ForEach(Array(images.prefix(3).enumerated()), id: \ .element.id) { idx, image in
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SquareImageView(image: image, size: imageSize) {
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onImageTap(idx)
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}
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}
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}
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default:
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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let columns = Array(repeating: GridItem(.fixed(imageSize), spacing: spacing), count: 3)
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LazyVGrid(columns: columns, spacing: spacing) {
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ForEach(Array(images.prefix(9).enumerated()), id: \ .element.id) { idx, image in
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SquareImageView(image: image, size: imageSize) {
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onImageTap(idx)
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}
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}
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}
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}
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}
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}
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.frame(height: calculateGridHeight())
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}
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private func calculateGridHeight() -> CGFloat {
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switch images.count {
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case 1:
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return 200
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case 2:
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return 120
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case 3:
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return 100
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case 4...6:
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return 216
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default:
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return 340
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}
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}
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}
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// MARK: - 正方形图片视图组件
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struct SquareImageView: View {
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let image: MomentsPicture
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let size: CGFloat
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let onTap: (() -> Void)?
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init(image: MomentsPicture, size: CGFloat, onTap: (() -> Void)? = nil) {
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self.image = image
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self.size = size
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self.onTap = onTap
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}
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public var body: some View {
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let safeSize = size.isFinite && size > 0 ? size : 100
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Group {
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if let onTap = onTap {
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Button(action: onTap) {
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imageContent
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}
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.buttonStyle(PlainButtonStyle())
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} else {
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imageContent
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}
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}
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.frame(width: safeSize, height: safeSize)
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.clipped()
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.cornerRadius(8)
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}
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private var imageContent: some View {
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CachedAsyncImage(url: image.resUrl ?? "") { imageView in
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imageView
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Rectangle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white.opacity(0.6)))
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.scaleEffect(0.8)
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)
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}
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}
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}
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