Synnefo » Pithos MacOS Client

    for (PithosNode *node in draggedNodes) {

        [names addObject:node.displayName];

            if (choice == NSAlertFirstButtonReturn)

                [self downloadNode:node toDirectory:[dropDestination path] withNewFileName:nil version:nil];

            [self downloadNode:node toDirectory:[dropDestination path] withNewFileName:nil version:nil];

- (void)downloadNode:(PithosNode *)node 

         toDirectory:(NSString *)dirPath 

     withNewFileName:(NSString *)newFileName 

             version:(NSString *)version {

    if ([node class] == [PithosSubdirNode class]) {

        // XXX newFilename and version are ignored in the case of a subdir node for now

        // Operation: Download a subdir node and its descendants

        // The resulting ASIPithosObjectRequests are chained through dependencies

        __block NSOperation *operation = [NSBlockOperation blockOperationWithBlock:^{

            NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

            if (operation.isCancelled) {

                [pool drain];

                return;

            }

            NSArray *objectRequests = [PithosUtilities objectDataRequestsForSubdirWithPithos:pithos 

                                                                               containerName:node.pithosContainer.name 

                                                                                  objectName:node.pithosObject.name 

                                                                                 toDirectory:dirPath 

                                                                               checkIfExists:YES 

                                                                              sharingAccount:node.sharingAccount];

            if (!operation.isCancelled && objectRequests) {

                ASIPithosObjectRequest *previousObjectRequest = nil;

                for (__block ASIPithosObjectRequest *objectRequest in objectRequests) {

                    if (operation.isCancelled) {

                        [pool drain];

                        return;

                    }

                    objectRequest.delegate = self;

                    objectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);

                    objectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);

                    NSString *messagePrefix = [NSString stringWithFormat:@"Downloading '%@'", [objectRequest.userInfo objectForKey:@"fileName"]];

                    PithosActivity *activity = [activityFacility startActivityWithType:PithosActivityDownload 

                                                                               message:[messagePrefix stringByAppendingString:@" (0%)"]

                                                                            totalBytes:[[objectRequest.userInfo objectForKey:@"bytes"] unsignedIntegerValue] 

                                                                          currentBytes:0];

                    dispatch_async(dispatch_get_main_queue(), ^{

                        [activityFacility updateActivity:activity withMessage:activity.message];  

                    });

                    [(NSMutableDictionary *)objectRequest.userInfo addEntriesFromDictionary:

                     [NSDictionary dictionaryWithObjectsAndKeys:

                      activity, @"activity", 

                      [messagePrefix stringByAppendingString:@" (stopped)"], @"stoppedActivityMessage", 

                      [messagePrefix stringByAppendingString:@" (failed)"], @"failedActivityMessage", 

                      [messagePrefix stringByAppendingString:@" (100%)"], @"finishedActivityMessage", 

                      [NSNumber numberWithInteger:NSOperationQueuePriorityNormal], @"priority", 

                      [NSNumber numberWithUnsignedInteger:10], @"retries", 

                      NSStringFromSelector(@selector(downloadObjectFinished:)), @"didFinishSelector", 

                      NSStringFromSelector(@selector(requestFailed:)), @"didFailSelector", 

                      downloadNetworkQueue, @"networkQueue", 

                      @"download", @"operationType", 

                      nil]];

                    [objectRequest setBytesReceivedBlock:^(unsigned long long size, unsigned long long total){

                        [activityFacility updateActivity:activity 

                                             withMessage:[messagePrefix stringByAppendingFormat:@" (%.0f%%)", (activity.totalBytes ? (100*(activity.currentBytes + size + 0.0)/(activity.totalBytes + 0.0)) : 100)] 

                                              totalBytes:activity.totalBytes 

                                            currentBytes:(activity.currentBytes + size)];

                    }];

                    if (previousObjectRequest)

                        [objectRequest addDependency:previousObjectRequest];

                    previousObjectRequest = objectRequest;

                    [downloadNetworkQueue addOperation:[PithosUtilities prepareRequest:objectRequest]];

                }

            }

            [pool drain];

        }];

        [downloadQueue addOperation:operation];

    } else if ([node class] == [PithosObjectNode class]) {

        // Operation: Download an object node

        __block NSOperation *operation = [NSBlockOperation blockOperationWithBlock:^{

            NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

            if (operation.isCancelled) {

                [pool drain];

                return;

            }

            __block ASIPithosObjectRequest *objectRequest = [PithosUtilities objectDataRequestWithPithos:pithos 

                                                                                           containerName:node.pithosContainer.name 

                                                                                              objectName:node.pithosObject.name 

                                                                                                 version:version 

                                                                                            toDirectory:dirPath 

                                                                                         withNewFileName:newFileName 

                                                                                           checkIfExists:(version ? NO : YES) 

                                                                                          sharingAccount:node.sharingAccount];

            if (!operation.isCancelled && objectRequest) {

                objectRequest.delegate = self;

                objectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);

                objectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);

                NSString *messagePrefix = [NSString stringWithFormat:@"Downloading '%@'", [objectRequest.userInfo objectForKey:@"fileName"]];

                PithosActivity *activity = [activityFacility startActivityWithType:PithosActivityDownload 

                                                                           message:[messagePrefix stringByAppendingString:@" (0%)"]

                                                                        totalBytes:node.pithosObject.bytes 

                                                                      currentBytes:0];

                dispatch_async(dispatch_get_main_queue(), ^{

                    [activityFacility updateActivity:activity withMessage:activity.message];  

                });

                [(NSMutableDictionary *)objectRequest.userInfo addEntriesFromDictionary:

                 [NSDictionary dictionaryWithObjectsAndKeys:

                  activity, @"activity", 

                  [messagePrefix stringByAppendingString:@" (stopped)"], @"stoppedActivityMessage", 

                  [messagePrefix stringByAppendingString:@" (failed)"], @"failedActivityMessage", 

                  [messagePrefix stringByAppendingString:@" (100%)"], @"finishedActivityMessage", 

                  [NSNumber numberWithInteger:NSOperationQueuePriorityNormal], @"priority", 

                  [NSNumber numberWithUnsignedInteger:10], @"retries", 

                  NSStringFromSelector(@selector(downloadObjectFinished:)), @"didFinishSelector", 

                  NSStringFromSelector(@selector(requestFailed:)), @"didFailSelector", 

                  downloadNetworkQueue, @"networkQueue", 

                  @"download", @"operationType", 

                  nil]];

                [objectRequest setBytesReceivedBlock:^(unsigned long long size, unsigned long long total){

                    [activityFacility updateActivity:activity 

                                         withMessage:[messagePrefix stringByAppendingFormat:@" (%.0f%%)", (activity.totalBytes ? (100*(activity.currentBytes + size + 0.0)/(activity.totalBytes + 0.0)) : 100)] 

                                          totalBytes:activity.totalBytes 

                                        currentBytes:(activity.currentBytes + size)];

                }];

                [downloadNetworkQueue addOperation:[PithosUtilities prepareRequest:objectRequest]];

                [pool drain];

            }

        }];

        [downloadQueue addOperation:operation];

    }

}

        if ([objectRequest contentLength] == 0) {

            // The check above was:

            // if (([objectRequest contentLength] == 0) && ![PithosUtilities isContentTypeDirectory:[objectRequest contentType]]) {

            // I checked for directory content types in order not to create a file in place of a directory,

            // but this callback method is not called in the case of a directory download.

            // It maybe the case though, when downloading an old version of an object, is of a directory content type.

            // In this case, a file should be created. This is actually a feature that allows you to hide data in a directory object.