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

@end