PrivateBoxiOS/创维盒子/双子星云手机/Class/Set/uploadFile/customDownloadManager/customDownloadOperation.m

//
//  customDownloadOperation.m
//  双子星云手机
//
//  Created by xd h on 2024/7/1.
//

#import "customDownloadOperation.h"
#import "customDownloadCacheManager.h"
#import "NSURLSession+customDownloadTask.h"

@implementation customDownloadOperation

- (instancetype)initWith:(NSString *)url session:(NSURLSession *)session{
    
    if (self = [super init]) {
        _url = url;
        // 初始化下载信息
        // 拼接后缀名
        NSString *urlFileName = [url lastPathComponent];
        NSString * decodeUrlFileName= [urlFileName stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
        self.fileName = decodeUrlFileName;
        
        NSString* fileFullDir = [customDownloadCacheManager getFullDirector];
        // 创建文件储存路径
        if (![[NSFileManager defaultManager] fileExistsAtPath:fileFullDir]) {
            [[NSFileManager defaultManager] createDirectoryAtPath:fileFullDir withIntermediateDirectories:YES attributes:nil error:nil];
        }

        // 设置下载路径
        self.fullPath = [fileFullDir stringByAppendingPathComponent:self.fileName];
        
        _currentSize = [customDownloadCacheManager getFileSizeWithURL:url];
        
        // 偏好设置里面存储总数据
        //_totalSize = 0;
        
        _timeStamp = [iTools getNowTimeStamp];
        // 校验
        if (self.currentSize == self.totalSize && self.totalSize != 0) {
            return nil;
        }
    
        
        _downloadState = customDownloadStateDoing;
        
        _session = session;
        _dataTask = [_session custom_downloadDataTaskWithURLString:url startSize:_currentSize];
    }
    return _dataTask ? self : nil;
}



#pragma mark - setups


#pragma mark - get download info
// 构造回调信息
- (NSDictionary *)downLoadInfoWithFinished:(BOOL)finished {
    return  @{
                    @"url" : self.url,
               @"fileName" : self.fileName,
               @"fullPath" : self.fullPath,
            @"currentSize" : @(self.currentSize),
              @"totalSize" : @(self.totalSize),
               @"fileType" : @(self.fileType),
              @"timeStamp" : @(self.timeStamp),
          @"downloadState" : @(self.downloadState),
             @"isFinished" : @(finished)
            };
}
@end