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471 lines
21 KiB
471 lines
21 KiB
4 years ago
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// WXYZ_BBBBBBBManager.m
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// WXReader
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//
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// Created by Andrew on 2020/7/10.
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// Copyright © 2020 Andrew. All rights reserved.
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//
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#import "WXYZ_BookDownloadManager.h"
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#import "TFProductionChapterModel.h"
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// 下载总任务列表model
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#define TaskListKey @"task_list_key"
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@interface WXYZ_BookDownloadManager ()
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@property (nonatomic, assign) BOOL requesting;
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@property (nonatomic, strong) NSMutableArray *requestOrderArray;
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@end
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@implementation WXYZ_BookDownloadManager
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implementation_singleton(WXYZ_BookDownloadManager)
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/*
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增
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**/
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// 下载多个章节
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- (void)downloadChaptersWithProductionModel:(TFProductionModel *)productionModel downloadTaskModel:(TFDownloadTaskModel *)downloadTaskModel production_id:(NSInteger)production_id start_chapter_id:(NSInteger)start_chapter_id downloadNum:(NSInteger)downloadNum
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{
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// 作品开始下载标记
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[[WXYZ_DownloadHelper sharedManager] recordDownloadProductionWithProductionModel:productionModel productionType:TFProductionTypeNovel];
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// 任务加入任务队列
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/*
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@{
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production_id:@[起始章节id, 下载章节数量, 下载任务对象]
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}
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*/
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[self.requestOrderArray addObject:@{[TFUtilsHelper formatStringWithInteger:production_id]:@[[TFUtilsHelper formatStringWithInteger:start_chapter_id], [TFUtilsHelper formatStringWithInteger:downloadNum], downloadTaskModel]}];
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if (!self.requesting) {
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// 开始下载任务
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[self downloadTaskRequest];
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}
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}
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/*
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删
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**/
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// 删除本地整本已下载作品
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- (BOOL)removeDownloadProductionWithProduction_id:(NSInteger)production_id
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{
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// 删除作品文件夹
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[[WXYZ_DownloadHelper sharedManager] removeDownloadProductionFolderWithProduction_id:production_id productionType:TFProductionTypeNovel];
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[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeAllObjects];
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return YES;
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}
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/*
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查
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**/
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// 获取已下载小说文件路径
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- (NSString *)getChapterFilePathWithChapterModel:(TFProductionChapterModel *)chapterModel
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{
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// 章节图片名称
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NSString *fileName = [TFUtilsHelper stringToMD5:[NSString stringWithFormat:@"%@%@%@%@", [TFUtilsHelper formatStringWithInteger:chapterModel.production_id], [TFUtilsHelper formatStringWithInteger:chapterModel.chapter_id], [TFUtilsHelper formatStringWithInteger:chapterModel.is_preview], chapterModel.update_time]];
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NSString *filePath = [[[WXYZ_DownloadHelper sharedManager] getDownloadChapterFolderPathWithProduction_id:chapterModel.production_id chapter_id:chapterModel.chapter_id productionType:TFProductionTypeNovel] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.txt", fileName]];
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return filePath;
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}
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// 获取章节内容
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- (NSString *)getFileContentsWithChapterModel:(TFProductionChapterModel *)chapterModel
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{
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// 数据不正确
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if (!chapterModel || chapterModel.production_id == 0 || chapterModel.chapter_id == 0 || !chapterModel.update_time) {
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return k_Chapter_RequstFail;
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}
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// 本地文件地址
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NSString *filePath = [self getChapterFilePathWithChapterModel:chapterModel];
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// 如果文件存在则返回文件内容
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if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
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NSString *body = [NSString stringWithContentsOfURL:[NSURL fileURLWithPath:filePath] usedEncoding:nil error:nil];
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if (body) {
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return body;
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}
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//如果之前不能解码，现在使用GBK解码
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body = [NSString stringWithContentsOfURL:[NSURL fileURLWithPath:filePath] encoding:0x80000632 error:nil];
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if (body) {
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return body;
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}
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//再使用GB18030解码
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body = [NSString stringWithContentsOfURL:[NSURL fileURLWithPath:filePath] encoding:0x80000631 error:nil];
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if (body) {
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return body;
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} else {
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return k_Chapter_RequstFail;
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}
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} else {
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return k_Chapter_RequstFail;
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}
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}
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// 存储章节内容
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- (void)storingFilesWithChapterModel:(TFProductionChapterModel *)chapterModel storingCompletionHandler:(void (^)(BOOL finishStoring))completionHandler
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{
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// 数据不正确
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if (!chapterModel || chapterModel.production_id == 0 || chapterModel.chapter_id == 0 || !chapterModel.update_time) {
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if (completionHandler) {
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completionHandler(NO);
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}
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return;
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}
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// 文件已存在
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if ([[NSFileManager defaultManager] fileExistsAtPath:[self getChapterFilePathWithChapterModel:chapterModel]]) {
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// 如果当前获取的是非预览章节内容,则寻找是否有预览章节文件进行删除,节省空间
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chapterModel.is_preview = 1;
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if ([self getChapterFilePathWithChapterModel:chapterModel]) {
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[[NSFileManager defaultManager] removeItemAtPath:[self getChapterFilePathWithChapterModel:chapterModel] error:nil];
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}
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if (completionHandler) {
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completionHandler(NO);
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}
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return;
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}
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// 文件不存在则存储文件
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// 解析标题
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NSString *chapter_title_string = @"";
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if (chapterModel.chapter_title && chapterModel.chapter_title.length > 0) {
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chapter_title_string = [NSString stringWithFormat:@"W$$X%@W$$X", chapterModel.chapter_title];
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chapter_title_string = [chapter_title_string stringByAppendingString:@"\n\n"];
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}
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// 解析内容
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NSString *chapter_content_string = @"";
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if (chapterModel.content && chapterModel.content.length > 0) {
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chapter_content_string = chapterModel.content;
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}
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// 文件内容
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NSString *chapter_file_content = [NSString stringWithFormat:@"%@%@",chapter_title_string, chapter_content_string];
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if ([chapter_file_content writeToFile:[self getChapterFilePathWithChapterModel:chapterModel] atomically:NO encoding:NSUTF8StringEncoding error:nil]) {
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if (completionHandler) {
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completionHandler(YES);
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}
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} else {
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if (completionHandler) {
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completionHandler(NO);
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}
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}
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}
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// 获取下载状态
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- (WXYZ_ProductionDownloadState)getDownloadMissionStateWithProduction_id:(NSInteger)production_id downloadTaskModel:(TFDownloadTaskModel *)downloadTaskModel
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{
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NSMutableDictionary *t_dic = [self bookDownloadTaskDictionaryWithProduction_id:production_id];
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if ([[t_dic objectForKey:downloadTaskModel.file_name] isEqual:identify_downloading]) {
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return WXYZ_ProductionDownloadStateDownloading;
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}
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if ([[t_dic objectForKey:downloadTaskModel.file_name] isKindOfClass:[TFDownloadTaskModel class]]) {
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return WXYZ_ProductionDownloadStateDownloaded;
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}
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TFNovelDownloadTaskListModel *taskListModel = [self getDownloadProductionModelWithProduction_id:production_id];
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if (taskListModel.task_list.count > 0) {
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for (TFDownloadTaskModel *t_taskModel in taskListModel.task_list) {
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if (downloadTaskModel.start_order >= t_taskModel.start_order && downloadTaskModel.end_order <= t_taskModel.end_order) {
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return WXYZ_ProductionDownloadStateDownloaded;
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}
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}
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}
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return WXYZ_ProductionDownloadStateNormal;
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}
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// 获取某一已下载作品model
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- (TFNovelDownloadTaskListModel *)getDownloadProductionModelWithProduction_id:(NSInteger)production_id
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{
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TFNovelDownloadTaskListModel *taskListModel = [[TFNovelDownloadTaskListModel alloc] init];
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taskListModel.productionModel = [[WXYZ_DownloadHelper sharedManager] getDownloadProductionModelWithProduction_id:production_id productionType:TFProductionTypeNovel];
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taskListModel.task_list = [[self getDownloadProductionArrayWithProduction_id:production_id] mutableCopy];
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return taskListModel;
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}
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// 获取某一作品的全部下载model
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- (NSArray <TFDownloadTaskModel *> *)getDownloadProductionArrayWithProduction_id:(NSInteger)production_id
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{
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NSMutableArray *t_arr = [NSMutableArray array];
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for (id taskModel in [self bookDownloadTaskDictionaryWithProduction_id:production_id].allValues) {
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if ([taskModel isKindOfClass:[TFDownloadTaskModel class]]) {
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[t_arr addObject:taskModel];
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}
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}
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for (int i = 0; i < t_arr.count; i ++) {
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TFDownloadTaskModel *taskModel = [t_arr objectAtIndex:i];
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// 是否需要合并
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BOOL isMerged = NO;
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// 无交集
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BOOL noIntersection = YES;
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do {
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isMerged = NO;
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// 遍历数组 组成队列
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NSMutableArray *array = [NSMutableArray array];
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for (NSInteger i = taskModel.start_order; i < taskModel.end_order + 3; i++) {
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[array addObject:[TFUtilsHelper formatStringWithInteger:i - 1]];
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}
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for (int i = 0; i < t_arr.count; i ++) {
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TFDownloadTaskModel *t_task = [t_arr objectOrNilAtIndex:i];
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if (t_task.start_order != taskModel.start_order || t_task.end_order != taskModel.end_order) {
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if ([array containsObject:[TFUtilsHelper formatStringWithInteger:t_task.start_order]]) {
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TFDownloadTaskModel *tt_task = [[TFDownloadTaskModel alloc] init];
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tt_task.url = taskModel.url;
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tt_task.file_name = taskModel.file_name;
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tt_task.download_title = [NSString stringWithFormat:@"%@ - %@%@", [array objectOrNilAtIndex:1], [TFUtilsHelper formatStringWithInteger:t_task.end_order > taskModel.end_order?t_task.end_order:taskModel.end_order], TFLocalizedString(@"章")];
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tt_task.dateString = [TFUtilsHelper currentDateStringWithFormat:@"yyyy-MM-dd"];
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tt_task.file_size = taskModel.file_size + t_task.file_size;
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tt_task.start_order = [[array objectOrNilAtIndex:1] integerValue];
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tt_task.end_order = t_task.end_order > taskModel.end_order?t_task.end_order:taskModel.end_order;
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[t_arr replaceObjectAtIndex:i withObject:tt_task];
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[t_arr removeObject:taskModel];
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isMerged = YES;
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noIntersection = NO;
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} else if ([array containsObject:[TFUtilsHelper formatStringWithInteger:t_task.end_order]]) {
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TFDownloadTaskModel *tt_task = [[TFDownloadTaskModel alloc] init];
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tt_task.url = taskModel.url;
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tt_task.file_name = taskModel.file_name;
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tt_task.download_title = [NSString stringWithFormat:@"%@ - %@%@", [TFUtilsHelper formatStringWithInteger:t_task.start_order], [TFUtilsHelper formatStringWithInteger:t_task.end_order > taskModel.end_order?t_task.end_order:taskModel.end_order], TFLocalizedString(@"章")];
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tt_task.dateString = [TFUtilsHelper currentDateStringWithFormat:@"yyyy-MM-dd"];
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tt_task.file_size = taskModel.file_size + t_task.file_size;
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tt_task.start_order = t_task.start_order;
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tt_task.end_order = t_task.end_order > taskModel.end_order?t_task.end_order:taskModel.end_order;
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[t_arr replaceObjectAtIndex:i withObject:tt_task];
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[t_arr removeObject:taskModel];
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isMerged = YES;
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noIntersection = NO;
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}
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if (isMerged) {
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taskModel = [t_arr objectOrNilAtIndex:0];
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break;
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}
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} else if (t_task.start_order == taskModel.start_order && t_task.end_order == taskModel.end_order) {
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[t_arr replaceObjectAtIndex:i withObject:taskModel];
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noIntersection = NO;
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}
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}
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} while (isMerged);
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if (noIntersection) {
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[t_arr addObject:taskModel];
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}
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}
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return [t_arr copy];
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}
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- (void)downloadTaskRequest
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{
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if (self.requestOrderArray.count == 0) {
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return;
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}
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self.requesting = YES;
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NSDictionary *orderDic = [self.requestOrderArray firstObject];
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NSInteger production_id = [[orderDic.allKeys firstObject] integerValue];
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NSString *start_chapter_id = [orderDic objectForKey:[TFUtilsHelper formatStringWithInteger:production_id]][0];
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NSString *downloadNum = [orderDic objectForKey:[TFUtilsHelper formatStringWithInteger:production_id]][1];
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TFDownloadTaskModel *taskModel = [orderDic objectForKey:[TFUtilsHelper formatStringWithInteger:production_id]][2];
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[self.requestOrderArray removeFirstObject];
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WS(weakSelf)
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[TFNetworkTools POST:Book_Download_Multiple_Chapters parameters:@{@"book_id":[TFUtilsHelper formatStringWithInteger:production_id], @"chapter_id":start_chapter_id, @"num":downloadNum} model:nil success:^(BOOL isSuccess, NSDictionary * _Nullable t_model, TFNetworkRequestModel * _Nonnull requestModel) {
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if (isSuccess) {
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if (weakSelf.requestOrderArray.count == 0) {
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[TFPromptManager showPromptViewWithStatus:TFPromptStatusSuccess promptTitle:TFLocalizedString(@"已加入下载队列")];
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}
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// 开始下载
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[[self bookDownloadTaskDictionaryWithProduction_id:production_id] setObject:identify_downloading forKey:taskModel.file_name];
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[self bookWriteToPlistWithProduction_id:production_id];
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// 任务开始
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dispatch_async(dispatch_get_main_queue(), ^{
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if (self.downloadMissionStateChangeBlock) {
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self.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionStart, production_id, taskModel, nil);
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}
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});
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// 下载章节合集文件
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AFURLSessionManager *manager = [[AFURLSessionManager alloc] init];
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manager.operationQueue.maxConcurrentOperationCount = 1;
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manager.completionQueue = dispatch_queue_create("com.wxyz.book_queue", NULL);
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NSURL *URL = [NSURL URLWithString:[requestModel.data objectForKey:@"file_url"]];
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NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:[NSURLRequest requestWithURL:URL] progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
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// 创建临时存储文件
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if (![[NSFileManager defaultManager] fileExistsAtPath:[[WXYZ_DownloadHelper sharedManager] getDownloadProductionFolderPathWithProduction_id:production_id productionType:TFProductionTypeNovel]]) {
|
||
|
|
[[NSFileManager defaultManager] createDirectoryAtPath:[[WXYZ_DownloadHelper sharedManager] getDownloadProductionFolderPathWithProduction_id:production_id productionType:TFProductionTypeNovel] withIntermediateDirectories:YES attributes:nil error:nil];
|
||
|
|
}
|
||
|
|
|
||
|
|
// 临时文件地址
|
||
|
|
NSString *tempFilePath = [[[WXYZ_DownloadHelper sharedManager] getDownloadProductionFolderPathWithProduction_id:production_id productionType:TFProductionTypeNovel] stringByAppendingPathComponent:[requestModel.data objectForKey:@"file_name"]];
|
||
|
|
|
||
|
|
return [NSURL fileURLWithPath:tempFilePath];
|
||
|
|
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
|
||
|
|
weakSelf.requesting = NO;
|
||
|
|
if (error) {
|
||
|
|
|
||
|
|
// 任务下载失败删除记录
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeObjectForKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载失败
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionFail, production_id, taskModel, nil);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
|
||
|
|
NSString *fileContent = [NSString stringWithContentsOfFile:filePath.path encoding:NSUTF8StringEncoding error:nil];
|
||
|
|
if (fileContent.length > 0) {
|
||
|
|
NSArray *chapterModelArray = [NSArray modelArrayWithClass:[TFProductionChapterModel class] json:fileContent];
|
||
|
|
|
||
|
|
if (chapterModelArray.count > 0) {
|
||
|
|
for (int i = 0; i < chapterModelArray.count; i ++) {
|
||
|
|
|
||
|
|
TFProductionChapterModel *chapterModel = [chapterModelArray objectAtIndex:i];
|
||
|
|
|
||
|
|
// 文件请求成功,解析文件内容
|
||
|
|
[self storingFilesWithChapterModel:chapterModel storingCompletionHandler:^(BOOL finishStoring) {
|
||
|
|
|
||
|
|
}];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 存储下载任务列表
|
||
|
|
taskModel.file_size = [TFUtilsHelper getFileSize:filePath.path];
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] setObject:taskModel forKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载完成
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
NSArray<NSNumber *> *t_arr = [chapterModelArray valueForKeyPath:@"chapter_id"];
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionFinished, production_id, taskModel, t_arr);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// 任务下载失败删除记录
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeObjectForKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载失败
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionFail, production_id, taskModel, nil);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 移除临时文件
|
||
|
|
[[NSFileManager defaultManager] removeItemAtPath:filePath.path error:nil];
|
||
|
|
}];
|
||
|
|
[downloadTask resume];
|
||
|
|
} else if (Compare_Json_isEqualTo(requestModel.code, 701)) {
|
||
|
|
weakSelf.requesting = NO;
|
||
|
|
|
||
|
|
// 任务下载失败删除记录
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeObjectForKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载失败
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionShouldPay, production_id, taskModel, nil);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
weakSelf.requesting = NO;
|
||
|
|
|
||
|
|
// 任务下载失败删除记录
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeObjectForKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载失败
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionFail, production_id, taskModel, nil);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
|
||
|
|
weakSelf.requesting = NO;
|
||
|
|
|
||
|
|
// 任务下载失败删除记录
|
||
|
|
[[self bookDownloadTaskDictionaryWithProduction_id:production_id] removeObjectForKey:taskModel.file_name];
|
||
|
|
[self bookWriteToPlistWithProduction_id:production_id];
|
||
|
|
|
||
|
|
// 任务下载失败
|
||
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
||
|
|
if (weakSelf.downloadMissionStateChangeBlock) {
|
||
|
|
weakSelf.downloadMissionStateChangeBlock(WXYZ_DownloadStateMissionFail, production_id, taskModel, nil);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSMutableArray *)requestOrderArray
|
||
|
|
{
|
||
|
|
if (!_requestOrderArray) {
|
||
|
|
_requestOrderArray = [NSMutableArray array];
|
||
|
|
}
|
||
|
|
return _requestOrderArray;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSMutableDictionary *)bookDownloadTaskDictionaryWithProduction_id:(NSUInteger)production_id
|
||
|
|
{
|
||
|
|
return [[WXYZ_DownloadHelper sharedManager] chaptersRecordDownloadDictionaryWithProduction_id:production_id productionType:TFProductionTypeNovel modelClass:[TFDownloadTaskModel class]];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (BOOL)bookWriteToPlistWithProduction_id:(NSUInteger)production_id
|
||
|
|
{
|
||
|
|
return [[WXYZ_DownloadHelper sharedManager] writeToChapterPlistFileWithProduction_id:production_id productionType:TFProductionTypeNovel modelClass:[TFDownloadTaskModel class]];
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|