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377 lines
19 KiB
377 lines
19 KiB
4 years ago
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//
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// WXYZ_DownloadHelper.m
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// WXReader
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//
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// Created by Andrew on 2020/4/1.
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// Copyright © 2020 Andrew. All rights reserved.
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//
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/* 下载缓存结构示意
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WXYZ_DownloadFileFolder ━┳━ BookDownloadFileFolder ━┳━ WXYZ_DownloadProductionRecordFile.plist
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┃ ┃
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┃ ┃
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┃ ┣━ 作品文件夹(production_id) ━┳━ WXYZ_DownloadChapterRecordFile.plist
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┃ ┃ ┃
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┃ ┃ ┃
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┃ ┃ ┣━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃ ┃ ┃
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┃ ┃ ┃
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┃ ┃ ┗━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃ ┃
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┃ ┗━ 作品文件夹(production_id)
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┃
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┃
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┣━ ComicDownloadFileFolder ━┳━ WXYZ_DownloadProductionRecordFile.plist
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┃ ┃
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┃ ┃
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┃ ┣━ 作品文件夹(production_id) ━┳━ WXYZ_DownloadChapterRecordFile.plist
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┃ ┃ ┃
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┃ ┃ ┃
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┃ ┃ ┣━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃ ┃ ┃
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┃ ┃ ┃
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┃ ┃ ┗━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃ ┃
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┃ ┗━ 作品文件夹(production_id)
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┃
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┗━ AudioDownloadFileFolder ━┳━ WXYZ_DownloadProductionRecordFile.plist
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┃
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┃
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┣━ 作品文件夹(production_id) ━┳━ WXYZ_DownloadChapterRecordFile.plist
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┃ ┃
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┃ ┃
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┃ ┣━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃ ┃
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┃ ┃
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┃ ┗━ 章节文件夹(production_id + chapter_id) ━━ 对应文件 比如.txt/.jpg/.png/.mp3
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┃
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┗━ 作品文件夹(production_id)
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*/
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#import "WXYZ_DownloadHelper.h"
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@implementation WXYZ_DownloadHelper
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implementation_singleton(WXYZ_DownloadHelper)
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// 作品下载记录
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- (void)recordDownloadProductionWithProductionModel:(TFProductionModel *)productionModel productionType:(TFProductionType)productionType
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{
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if (!productionModel) {
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return;
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}
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NSMutableArray *t_arr = [self productionRecordDownloadArrayWithProductionType:productionType];
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for (TFProductionModel *t_model in t_arr) {
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if (t_model.production_id == productionModel.production_id) {
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return;
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}
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}
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[[self productionRecordDownloadArrayWithProductionType:productionType] addObject:productionModel];
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[self writeToPlistFileWithProductionType:productionType];
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}
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// 删除作品下载记录
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- (void)removeRecordDownloadProductionWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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NSMutableArray *t_arr = [[self productionRecordDownloadArrayWithProductionType:productionType] mutableCopy];
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for (TFProductionModel *t_model in t_arr) {
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if (t_model.production_id == production_id) {
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[[self productionRecordDownloadArrayWithProductionType:productionType] removeObject:t_model];
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[self writeToPlistFileWithProductionType:productionType];
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return;
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}
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}
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}
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// 删除章节下载记录(返回是否成功,如果成功那么需要在对应的downloadManager中,重置记录变量,从本地重新获取)
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- (BOOL)removeRecordDownloadChapterWithProduction_id:(NSInteger)production_id chapter_ids:(NSArray <NSString *>*)chapter_ids productionType:(TFProductionType)productionType
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{
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NSMutableDictionary *localCacheDic = [NSMutableDictionary dictionaryWithContentsOfFile:[[WXYZ_DownloadHelper sharedManager] getDownloadChapterRecordPlistFilePathWithProduction_id:production_id productionType:productionType]];
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for (NSString *chapter_id in chapter_ids) {
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[localCacheDic removeObjectForKey:chapterRecordKey(production_id, [chapter_id integerValue])];
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}
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NSMutableDictionary *save_dic = [NSMutableDictionary dictionary];
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for (NSString *key in localCacheDic.allKeys) {
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id value = [localCacheDic objectForKey:key];
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if ([value isKindOfClass:[NSClassFromString(@"WXYZ_ComicReaderModel") class]]) {
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value = [value modelToJSONString];
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}
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[save_dic setObject:value forKey:key];
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}
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// 写入文件
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if (![save_dic writeToFile:[self getDownloadChapterRecordPlistFilePathWithProduction_id:production_id productionType:productionType] atomically:NO]) {
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return NO;
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}
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return YES;
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}
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// 删除作品文件夹
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- (void)removeDownloadProductionFolderWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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// 删除plist文件记录
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[self removeRecordDownloadProductionWithProduction_id:production_id productionType:productionType];
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// 删除对应作品整体文件夹
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[[NSFileManager defaultManager] removeItemAtPath:[self getDownloadProductionFolderPathWithProduction_id:production_id productionType:productionType] error:nil];
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}
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// 删除章节文件夹
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- (BOOL)removeDownloadChapterFolderWithProduction_id:(NSInteger)production_id chapter_ids:(NSArray <NSString *>*)chapter_ids productionType:(TFProductionType)productionType
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{
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for (NSString *chapter_id in chapter_ids) {
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if ([[NSFileManager defaultManager] fileExistsAtPath:[self getDownloadChapterFolderPathWithProduction_id:production_id chapter_id:[chapter_id integerValue] productionType:productionType]]) {
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[[NSFileManager defaultManager] removeItemAtPath:[self getDownloadChapterFolderPathWithProduction_id:production_id chapter_id:[chapter_id integerValue] productionType:productionType] error:nil];
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}
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}
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// 删除章节plist文件记录
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return [self removeRecordDownloadChapterWithProduction_id:production_id chapter_ids:chapter_ids productionType:productionType];
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}
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// 作品章节是否下载
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- (BOOL)isChapterDownloadedWithProduction_id:(NSInteger)production_id chapter_id:(NSInteger)chapter_id productionType:(TFProductionType)productionType
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{
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if ([[NSFileManager defaultManager] contentsOfDirectoryAtPath:[self getDownloadChapterFolderPathWithProduction_id:production_id chapter_id:chapter_id productionType:productionType] error:nil].count > 0) {
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return YES;
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}
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return NO;
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}
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// 获取下载章节数
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- (NSInteger)getDownloadChapterCountWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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// 存在已下载章节内容文件夹数量
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CGFloat chapterDownloadNumber = 0;
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// 获取作品下全部章节文件夹名称
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NSArray <NSString *>*chapterFolderNames = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:[self getDownloadProductionFolderPathWithProduction_id:production_id productionType:productionType] error:nil];
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for (NSString *folderName in chapterFolderNames) {
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NSString *chapterFloderPath = [[self getDownloadProductionFolderPathWithProduction_id:production_id productionType:productionType] stringByAppendingPathComponent:folderName];
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BOOL isDirectory = NO;
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[[NSFileManager defaultManager] fileExistsAtPath:chapterFloderPath isDirectory:&isDirectory];
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if (isDirectory && [[NSFileManager defaultManager] contentsOfDirectoryAtPath:chapterFloderPath error:nil].count > 0) {
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chapterDownloadNumber ++;
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}
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}
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return chapterDownloadNumber;
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}
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// 获取类别下的所有下载作品
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- (NSArray <TFProductionModel *> *)getDownloadProductionArrayWithProductionType:(TFProductionType)productionType
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{
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return [self productionRecordDownloadArrayWithProductionType:productionType];
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}
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- (TFProductionModel *)getDownloadProductionModelWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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for (TFProductionModel *t_model in [self productionRecordDownloadArrayWithProductionType:productionType]) {
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if (t_model.production_id == production_id) {
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return t_model;
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}
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}
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return nil;
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}
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// 主文件夹路径
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- (NSString *)getDownloadRootFolderPathWithProductionType:(TFProductionType)productionType
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{
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NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectOrNilAtIndex:0];
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// 主目录文件夹
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NSString *rootFolderPath = [documentPath stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:@"WXYZ_DownloadFileFolder"]];
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// 创建章节文件夹
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if (![[NSFileManager defaultManager] fileExistsAtPath:rootFolderPath]) {
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[[NSFileManager defaultManager] createDirectoryAtPath:rootFolderPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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// 作品类别文件夹
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NSString *typeFolderPath = @"";
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switch (productionType) {
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case TFProductionTypeNovel: // 存储全部下载书籍
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typeFolderPath = [rootFolderPath stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:@"BookDownloadFileFolder"]];
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break;
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case TFProductionTypeComic: // 存储全部下载漫画
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typeFolderPath = [rootFolderPath stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:@"ComicDownloadFileFolder"]];
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break;
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case TFProductionTypeAudio: // 存储全部下载听书
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typeFolderPath = [rootFolderPath stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:@"AudioDownloadFileFolder"]];
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break;
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default:
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break;
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}
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// 创建章节文件夹
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if (![[NSFileManager defaultManager] fileExistsAtPath:typeFolderPath]) {
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[[NSFileManager defaultManager] createDirectoryAtPath:typeFolderPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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return typeFolderPath;
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}
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// 下载作品文件夹
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- (NSString *)getDownloadProductionFolderPathWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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NSString *productionFolderPath = [[self getDownloadRootFolderPathWithProductionType:productionType] stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:[NSString stringWithFormat:@"%@%@", [TFUtilsHelper formatStringWithInteger:productionType], [TFUtilsHelper formatStringWithInteger:production_id]]]];
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// 创建章节文件夹
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if (![[NSFileManager defaultManager] fileExistsAtPath:productionFolderPath] && production_id != 0) {
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[[NSFileManager defaultManager] createDirectoryAtPath:productionFolderPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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return productionFolderPath;
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}
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// 下载章节文件夹
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- (NSString *)getDownloadChapterFolderPathWithProduction_id:(NSInteger)production_id chapter_id:(NSInteger)chapter_id productionType:(TFProductionType)productionType
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{
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NSString *chapterFolderPath = [[self getDownloadProductionFolderPathWithProduction_id:production_id productionType:productionType] stringByAppendingPathComponent:[TFUtilsHelper stringToMD5:[NSString stringWithFormat:@"%@%@%@", [TFUtilsHelper formatStringWithInteger:productionType], [TFUtilsHelper formatStringWithInteger:production_id], [TFUtilsHelper formatStringWithInteger:chapter_id]]]];
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// 创建章节文件夹
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if (![[NSFileManager defaultManager] fileExistsAtPath:chapterFolderPath] && production_id != 0) {
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[[NSFileManager defaultManager] createDirectoryAtPath:chapterFolderPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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return chapterFolderPath;
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}
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// 下载作品记录文件路径
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- (NSString *)getDownloadProductionRecordPlistFilePathWithProductionType:(TFProductionType)productionType
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{
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NSString *productionRecordFilePath = [[self getDownloadRootFolderPathWithProductionType:productionType] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.plist", [TFUtilsHelper stringToMD5:@"WXYZ_DownloadProductionRecordFile"]]];
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if (![[NSFileManager defaultManager] fileExistsAtPath:productionRecordFilePath]) {
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[@[] writeToFile:productionRecordFilePath atomically:NO];
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}
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return productionRecordFilePath;
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}
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// 下载章节记录文件路径
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- (NSString *)getDownloadChapterRecordPlistFilePathWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType
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{
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// 记录下载状态plist文件地址
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NSString *chapterRecordFilePath = [[self getDownloadProductionFolderPathWithProduction_id:production_id productionType:productionType] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.plist", [TFUtilsHelper stringToMD5:@"WXYZ_DownloadChapterRecordFile"]]];
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if (![[NSFileManager defaultManager] fileExistsAtPath:chapterRecordFilePath]) {
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[@{} writeToFile:chapterRecordFilePath atomically:NO];
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}
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return chapterRecordFilePath;
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}
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// 作品记录缓存变量
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static NSMutableDictionary *_productionsRecordDictionary;
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- (NSMutableArray *)productionRecordDownloadArrayWithProductionType:(TFProductionType)productionType;
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{
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if (!_productionsRecordDictionary) {
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// 此全局临时变量的作用是记录不同作品的下载记录,减少了文件的读写,增加访问效率
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_productionsRecordDictionary = [NSMutableDictionary dictionary];
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}
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NSMutableArray *t_arr = [_productionsRecordDictionary objectForKey:[NSString stringWithFormat:@"%@", [TFUtilsHelper formatStringWithInteger:productionType]]];
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if (!t_arr) {
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NSMutableArray *localArr = [NSMutableArray arrayWithContentsOfFile:[self getDownloadProductionRecordPlistFilePathWithProductionType:productionType]];
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t_arr = [NSMutableArray array];
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for (NSString *json in localArr) {
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[t_arr addObject:[TFProductionModel modelWithJSON:json]];
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}
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[_productionsRecordDictionary setObject:t_arr forKey:[NSString stringWithFormat:@"%@", [TFUtilsHelper formatStringWithInteger:productionType]]];
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}
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return t_arr;
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}
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// 写入作品记录文件
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- (BOOL)writeToPlistFileWithProductionType:(TFProductionType)productionType;
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{
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NSMutableArray *t_downloadArr = [self productionRecordDownloadArrayWithProductionType:productionType];
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NSMutableArray *saveArr = [NSMutableArray array];
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for (TFProductionModel *t_model in t_downloadArr) {
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[saveArr addObject:[t_model modelToJSONString]];
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}
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// 写入文件
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if (![saveArr writeToFile:[self getDownloadProductionRecordPlistFilePathWithProductionType:productionType] atomically:NO]) {
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return NO;
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}
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return YES;
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}
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// 章节记录缓存变量
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static NSMutableDictionary *_chaptersRecordDictionary;
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- (NSMutableDictionary *)chaptersRecordDownloadDictionaryWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType modelClass:(Class)modelClass
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{
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|
if (!_chaptersRecordDictionary) {
|
||
|
|
// 此全局临时变量的作用是记录不同作品的下载记录,减少了文件的读写,增加访问效率
|
||
|
|
_chaptersRecordDictionary = [NSMutableDictionary dictionary];
|
||
|
|
}
|
||
|
|
|
||
|
|
NSMutableDictionary *t_dic = [_chaptersRecordDictionary objectForKey:[NSString stringWithFormat:@"%@", [TFUtilsHelper formatStringWithInteger:production_id]]];
|
||
|
|
if (!t_dic || t_dic.count == 0) {
|
||
|
|
|
||
|
|
NSMutableDictionary *localDic = [NSMutableDictionary dictionaryWithContentsOfFile:[self getDownloadChapterRecordPlistFilePathWithProduction_id:production_id productionType:productionType]];
|
||
|
|
|
||
|
|
t_dic = [NSMutableDictionary dictionary];
|
||
|
|
for (NSString *key in localDic.allKeys) {
|
||
|
|
id value = [localDic objectForKey:key];
|
||
|
|
if ([value isKindOfClass:[NSDictionary class]]) {
|
||
|
|
[t_dic setObject:value forKey:key];
|
||
|
|
} else if ([value isEqualToString:identify_fail]) {
|
||
|
|
[t_dic setObject:value forKey:key];
|
||
|
|
} else if (![value isEqual:identify_downloading] && value) {
|
||
|
|
[t_dic setObject:[modelClass modelWithJSON:value] forKey:key];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[_chaptersRecordDictionary setObject:t_dic forKey:[NSString stringWithFormat:@"%@", [TFUtilsHelper formatStringWithInteger:production_id]]];
|
||
|
|
}
|
||
|
|
|
||
|
|
return t_dic;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 写入章节记录文件
|
||
|
|
- (BOOL)writeToChapterPlistFileWithProduction_id:(NSInteger)production_id productionType:(TFProductionType)productionType modelClass:(Class)modelClass
|
||
|
|
{
|
||
|
|
NSMutableDictionary *t_downloadDic = [self chaptersRecordDownloadDictionaryWithProduction_id:production_id productionType:productionType modelClass:modelClass];
|
||
|
|
if (t_downloadDic.count == 0) {
|
||
|
|
return NO;
|
||
|
|
}
|
||
|
|
|
||
|
|
NSMutableDictionary *save_dic = [NSMutableDictionary dictionary];
|
||
|
|
for (NSString *key in t_downloadDic.allKeys) {
|
||
|
|
|
||
|
|
id value = [t_downloadDic objectForKey:key];
|
||
|
|
|
||
|
|
if ([value isKindOfClass:[modelClass class]]) {
|
||
|
|
value = [value modelToJSONString];
|
||
|
|
}
|
||
|
|
[save_dic setObject:value forKey:key];
|
||
|
|
}
|
||
|
|
|
||
|
|
// 写入文件
|
||
|
|
if (![save_dic writeToFile:[self getDownloadChapterRecordPlistFilePathWithProduction_id:production_id productionType:productionType] atomically:NO]) {
|
||
|
|
return NO;
|
||
|
|
}
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|