311 lines
13 KiB
Swift
311 lines
13 KiB
Swift
//
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// MPPositive_LoadMusicModel.swift
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// MusicPlayer
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//
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// Created by Mr.Zhou on 2024/4/25.
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//
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import UIKit
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///b面音乐数据管理load
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class MPPositive_BrowseLoadViewModel: NSObject {
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static let shared = MPPositive_BrowseLoadViewModel()
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///预览模块数据组(通过网络请求刷新)
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var browseModuleLists:[MPPositive_BrowseModuleListViewModel] = []
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///用户个性化模块组
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var personalModuleLists:[MPPositive_PersonalListViewModel] = []
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///本地Library组
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var libraryList:MPPositive_LibraryListViewModel = .init()
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//是否发起过埋点
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private var isAction:Bool = false
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//是否下拉刷新中
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var isRefresh:Bool = false
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override init() {
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super.init()
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setNetWorkBlock()
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}
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//设置网络请求闭包回调
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private func setNetWorkBlock() {
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//当网络请求工具触发browse请求闭包时
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MP_NetWorkManager.shared.browseRequestStateBlock = {
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[weak self] (lists,isCompleted) in
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guard let self = self else {return}
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if isAction == false {
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if (lists.first?.items.count ?? 0) != 0 {
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print("B面预览数据成功拉取")
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//加载完毕后
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MP_AnalyticsManager.shared.home_b_module_showsucces_actionAction()
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}else {
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print("B面预览数据拉取失败")
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//没有数据
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MP_AnalyticsManager.shared.home_b_module_showfailure_errorAction("No Datas")
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}
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isAction = true
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}
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DispatchQueue.main.async {
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[weak self] in
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guard let self = self else {return}
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//配置预览模块数据
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browseModuleLists.append(contentsOf: lists)
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//移除为空的数据
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browseModuleLists = browseModuleLists.filter{($0.items.count != 0)}
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//通知首页刷新UI
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NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
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}
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if isCompleted == true {
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//将视频移动到最后
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DispatchQueue.main.async{
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[weak self] in
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guard let self = self else {return}
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//查找目标院所索引
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if let index = browseModuleLists.firstIndex(where: {$0.items.first?.browseItem.pageType == "MUSIC_PAGE_TYPE_ARTIST"}) {
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// 移除目标元素
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let removedElement = browseModuleLists.remove(at: index)
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//添加到第二位
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browseModuleLists.insert(removedElement, at: 1)
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}
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// 查找目标元素的索引
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if let index = browseModuleLists.firstIndex(where: {$0.items.first?.browseItem.pageType == "MUSIC_VIDEO_TYPE_OMV"}) {
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// 移除目标元素
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let removedElement = browseModuleLists.remove(at: index)
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// 将目标元素添加到数组的最后
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browseModuleLists.append(removedElement)
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}
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NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
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//将加载完毕的数据移入缓存
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if browseModuleLists.count != 0 {
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cacheResponseData(browseModuleLists)
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}
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}
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}
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}
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//当网络请求工具触发error闭包时
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MP_NetWorkManager.shared.browseRequestErrorBlock = {
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[weak self] in
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guard let self = self else {return}
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//当前因为某原因导致网络请求数据失败，现在从缓存中获取数据
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guard let array = chachedData() else {
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//并没有缓存数据
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NotificationCenter.notificationKey.post(notificationName: .netWork_error_deal)
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return
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}
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//有缓存数据
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browseModuleLists = array
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//通知首页刷新UI
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NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
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}
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}
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///刷新预览数据
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func reloadBrowseLists() {
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//有限更新本地数据组，之后再网络请求更多数据
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MPPositive_LoadCoreModel.shared.reloadAll{
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[weak self] in
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guard let self = self else {return}
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//清空预览模块数据
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browseModuleLists.removeAll()
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//调用网络请求工具的预览请求
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MP_NetWorkManager.shared.requestBrowseDatas()
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//同步更新gride
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MPPositive_GridLoadViewModel.shared.reloadGrides()
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//同步更新最近听过数据
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getRecentlyData()
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}
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}
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///获得最近听过数据
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func getRecentlyData() {
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var lists:[MPPositive_PersonalListViewModel] = []
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//检索最近听过的数据是否超过三首
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let array = MPPositive_LoadCoreModel.shared.recents
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guard array.count >= 3 else {
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//发布刷新通知
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NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
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return
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}
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let recentList1:MPPositive_PersonalListViewModel = .init()
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recentList1.title = "Recent Played".localizableString()
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recentList1.isRecently = true
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//超过三首，生成一个最近听过的数据组
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array.forEach { item in
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let browse = MPPositive_BrowseItemModel()
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browse.coverUrls = [item.recently.reviewImage ?? ""]
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browse.title = item.recently.title
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browse.subtitle = item.recently.subtitle
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browse.videoId = item.recently.videoId
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browse.playListId = item.recently.playListID
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browse.artistId = item.recently.artistID
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browse.pageType = "MUSIC_VIDEO_TYPE_ATV"
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browse.itemType = .single
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recentList1.items.append(.init(browse))
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}
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lists.append(recentList1)
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let group = DispatchGroup()
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group.enter()
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getRecommondFirstNumberData(array) { [weak self] personl in
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guard let self = self else {return}
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if let item = personl {
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lists.insert(item, at: 1)
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}
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group.leave()
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}
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group.enter()
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getRecommondSecondNumberData(array) { [weak self] personl in
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guard let self = self else {return}
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if let item = personl {
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lists.append(item)
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}
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group.leave()
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}
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group.notify(queue: .main) {
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[weak self] in
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guard let self = self else {return}
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personalModuleLists = lists
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libraryList.reloadLibrarys {
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[weak self] in
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print("个性化内容组: \(self?.personalModuleLists.count ?? 0)")
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NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
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}
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}
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}
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///返回一个随机项相关数据1号内容
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func getRecommondFirstNumberData(_ recents:[MPPositive_RecentlyViewModel], completetion:((MPPositive_PersonalListViewModel?) -> Void)?){
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let personal:MPPositive_PersonalListViewModel = .init()
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//获取一个随机项，展示关联的数据1号内容
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if let shuffix = recents.randomElement(), let recommendId = shuffix.recently.relatedID {
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personal.title = "Because you listen".localizableString()
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//随机获得一个，创建一个相关数据组（展示第一模块）
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MP_NetWorkManager.shared.requestRecommend(recommendId) { results in
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if results.isEmpty == false, let first = results.first {
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//返回数据不为空，获取第一模块
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personal.items = first.items
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personal.random = shuffix
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if let block = completetion {
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block(personal)
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}
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}else {
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if let block = completetion {
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block(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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///返回一个随机项相关数据2号内容
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func getRecommondSecondNumberData(_ recents:[MPPositive_RecentlyViewModel], completetion:((MPPositive_PersonalListViewModel?) -> Void)?){
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let personal:MPPositive_PersonalListViewModel = .init()
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//获取一个随机项，展示关联的数据1号内容
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if let shuffix = recents.randomElement(), let recommendId = shuffix.recently.relatedID {
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personal.title = "Because you like".localizableString()
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//随机获得一个，创建一个相关数据组（展示第一模块）
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MP_NetWorkManager.shared.requestRecommend(recommendId) { results in
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if results.isEmpty == false, results.count > 1 {
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let item = results[1]
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//返回数据不为空，获取第一模块
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personal.items = item.items
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personal.random = shuffix
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if let block = completetion {
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block(personal)
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}
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}else {
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if let block = completetion {
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block(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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///缓存预览数据
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private func cacheResponseData(_ array: [MPPositive_BrowseModuleListViewModel]) {
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guard browseModuleLists.count != 0 else {
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print("Home Browse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: "HomeBrowse")
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print("已经将Home Browse数据缓存")
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}catch{
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//转为jsonData失败
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print("Home Browse数据转为Data失败，失败原因\(error)")
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}
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}
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//读取预览数据
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private func chachedData() -> [MPPositive_BrowseModuleListViewModel]? {
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guard let cacheData = UserDefaults.standard.data(forKey: "HomeBrowse") else {
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print("获取Home Browse缓存数据失败")
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return nil
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}
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//将cacheData转为[MPPositive_BrowseModuleListViewModel]
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do {
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let array:[MPPositive_BrowseModuleListViewModel] = try JSONDecoder().decode([MPPositive_BrowseModuleListViewModel].self, from: cacheData)
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print("已经将Home Browse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Home Browse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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//下拉刷新
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func pullDownRefresh(_ reloadCompleted:(() -> Void)?) {
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//启动值
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isRefresh = true
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var arrays:[MPPositive_BrowseModuleListViewModel] = []
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//执行下拉刷新网络请求
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MP_NetWorkManager.shared.requestPullDownHomeBrowse()
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//覆盖回调闭包
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MP_NetWorkManager.shared.browseRequestStateBlock = {
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[weak self] (lists,isCompleted) in
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guard let self = self, isRefresh == true else {return}
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DispatchQueue.main.async {
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[weak self] in
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guard let self = self else {return}
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//配置预览模块数据
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arrays.append(contentsOf: lists)
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//移除为空的数据
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arrays = arrays.filter{($0.items.count != 0)}
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if isCompleted == true {
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//将视频移动到最后
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DispatchQueue.main.async{
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[weak self] in
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guard let self = self else {
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return
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}
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MPPositive_LoadCoreModel.shared.reloadRecents {
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[weak self] in
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guard let self = self else {
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return
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}
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getRecentlyData()
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}
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//查找目标院所索引
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if let index = arrays.firstIndex(where: {$0.items.first?.browseItem.pageType == "MUSIC_PAGE_TYPE_ARTIST"}) {
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// 移除目标元素
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let removedElement = arrays.remove(at: index)
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//添加到第二位
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arrays.insert(removedElement, at: 1)
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}
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// 查找目标元素的索引
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if let index = arrays.firstIndex(where: {$0.items.first?.browseItem.pageType == "MUSIC_VIDEO_TYPE_OMV"}) {
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// 移除目标元素
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let removedElement = arrays.remove(at: index)
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// 将目标元素添加到数组的最后
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arrays.append(removedElement)
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}
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//有缓存数据
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browseModuleLists = arrays
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isRefresh = false
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print("更新下拉刷新")
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if let block = reloadCompleted {
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block()
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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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}
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