65 lines
2.0 KiB
Mathematica
65 lines
2.0 KiB
Mathematica
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// Copyright 2015-present 650 Industries. All rights reserved.
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#import <EXFileSystem/EXSessionDownloadTaskDelegate.h>
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#import <EXFileSystem/NSData+EXFileSystem.h>
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@interface EXSessionDownloadTaskDelegate ()
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@property (strong, nonatomic) NSURL *localUrl;
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@property (nonatomic) BOOL shouldCalculateMd5;
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@end
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@implementation EXSessionDownloadTaskDelegate
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- (instancetype)initWithResolve:(UMPromiseResolveBlock)resolve
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reject:(UMPromiseRejectBlock)reject
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localUrl:(NSURL *)localUrl
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shouldCalculateMd5:(BOOL)shouldCalculateMd5
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{
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if (self = [super initWithResolve:resolve reject:reject])
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{
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_localUrl = localUrl;
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_shouldCalculateMd5 = shouldCalculateMd5;
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}
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return self;
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}
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- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location
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{
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NSError *error;
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NSFileManager *fileManager = [NSFileManager defaultManager];
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if ([fileManager fileExistsAtPath:_localUrl.path]) {
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[fileManager removeItemAtURL:_localUrl error:&error];
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if (error) {
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self.reject(@"ERR_FILESYSTEM_CANNOT_REMOVE",
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[NSString stringWithFormat:@"Unable to remove file from local URI: '%@'", error.description],
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error);
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return;
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}
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}
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[fileManager moveItemAtURL:location toURL:_localUrl error:&error];
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if (error) {
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self.reject(@"ERR_FILESYSTEM_CANNOT_SAVE",
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[NSString stringWithFormat:@"Unable to save file to local URI: '%@'", error.description],
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error);
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return;
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}
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self.resolve([self parseServerResponse:downloadTask.response]);
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}
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- (NSDictionary *)parseServerResponse:(NSURLResponse *)response
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{
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NSMutableDictionary *result = [[super parseServerResponse:response] mutableCopy];
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result[@"uri"] = _localUrl.absoluteString;
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if (_shouldCalculateMd5) {
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NSData *data = [NSData dataWithContentsOfURL:_localUrl];
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result[@"md5"] = [data md5String];
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}
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return result;
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}
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@end
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