76 lines
2.3 KiB
Swift
76 lines
2.3 KiB
Swift
//
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// CollectDefaults.swift
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// Funny_sounds
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//
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// Created by 忆海16 on 2024/8/19.
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//
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import Foundation
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class collectManager {
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static let shared = collectManager() // 单例模式
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private let favoritesKey = "favoriteAudioFiles" // UserDefaults的key
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private init() {} // 私有化构造方法
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// 切换收藏状态
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func toggleFavorite(audioFile: AudioFile) {
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var favorites = loadFavorites()
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if let index = favorites.firstIndex(where: { $0.title == audioFile.title }) {
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// 如果音频文件已经被收藏，则取消收藏
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favorites.remove(at: index)
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print("音频文件已从收藏中移除")
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} else {
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// 如果音频文件未被收藏，则添加到收藏
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favorites.append(audioFile)
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print("音频文件已添加到收藏")
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}
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// 更新收藏列表到UserDefaults
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saveFavorites(favorites)
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}
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// 检查音频文件是否已收藏
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func isFavorite(audioFile: AudioFile) -> Bool {
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let favorites = loadFavorites()
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return favorites.contains(where: { $0.title == audioFile.title })
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}
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// 获取所有收藏的音频文件
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func getAllFavorites() -> [AudioFile] {
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return loadFavorites()
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}
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// 清空所有收藏的音频文件
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func clearFavorites() {
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saveFavorites([])
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print("所有收藏已清空")
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}
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// 私有方法：保存收藏列表
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private func saveFavorites(_ audioFiles: [AudioFile]) {
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let encoder = JSONEncoder()
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do {
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let data = try encoder.encode(audioFiles)
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UserDefaults.standard.set(data, forKey: favoritesKey)
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} catch {
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print("保存AudioFile数据时出错: \(error)")
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}
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}
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// 私有方法：加载收藏列表
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private func loadFavorites() -> [AudioFile] {
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if let data = UserDefaults.standard.data(forKey: favoritesKey) {
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let decoder = JSONDecoder()
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do {
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let audioFiles = try decoder.decode([AudioFile].self, from: data)
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return audioFiles
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} catch {
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print("读取AudioFile数据时出错: \(error)")
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}
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}
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return []
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}
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}
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