66 lines
2.2 KiB
Swift
66 lines
2.2 KiB
Swift
//
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// MPPositive_GridLoadViewModel.swift
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// relax.offline.mp3.music
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//
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// Created by Mr.Zhou on 2024/7/12.
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//
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import UIKit
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class MPPositive_GridLoadViewModel: NSObject {
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static let shared = MPPositive_GridLoadViewModel()
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var grideViewModels:[MPPositive_GridViewModel] = []
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private override init() {
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super.init()
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if let data = chachedData() {
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grideViewModels = data
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}
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}
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//更新grideModel
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func reloadGrides() {
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MP_NetWorkManager.shared.requestGenres { [weak self] array in
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guard let self = self else {return}
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DispatchQueue.main.async {
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self.grideViewModels = array
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self.cacheResponseData(self.grideViewModels)
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//发布通知
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NotificationCenter.notificationKey.post(notificationName: .search_gride_reload)
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}
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}
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}
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//存入默认数据
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private func cacheResponseData(_ array: [MPPositive_GridViewModel]) {
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guard grideViewModels.count != 0 else {
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print("Search Gride数据未加载，无法缓存")
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return
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}
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//将数据转为jsonData
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do{
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let jsonData = try JSONEncoder().encode(array)
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//使用UserDefaults存入缓存数据
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UserDefaults.standard.set(jsonData, forKey: "SearchGride")
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print("已经将Search Gride数据缓存")
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}catch{
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//转为jsonData失败
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print("Search Gride数据转为Data失败，失败原因\(error)")
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}
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}
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//获取默认数据
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private func chachedData() -> [MPPositive_GridViewModel]? {
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guard let cacheData = UserDefaults.standard.data(forKey: "SearchGride") else {
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print("获取Search Gride缓存数据失败")
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return nil
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}
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do {
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let array:[MPPositive_GridViewModel] = try JSONDecoder().decode([MPPositive_GridViewModel].self, from: cacheData)
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print("已经将Search Gride缓存数据取出")
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return array
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} catch {
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//转为jsonData失败
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print("获取Search Gride缓存数据失败，失败原因\(error)")
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return nil
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}
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}
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}
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