Large File Upload Task - Uploading large files to OneDrive.

This task can be used for of onedrive's Upload large files with an upload session feature.

Creating the client instance

Refer this part of Readme file and follow the steps to create an HTTP Client configured with authentication provider.

Uploading the file

Once you have an MSHTTPClient instance you just need to use MSGraphOneDriveLargeFileUploadTask class in below fashion to successfully upload the file:

 //Get file url
   NSURL *fileURL = [NSURL URLWithString:[[NSBundle mainBundle] pathForResource:@"LargeFileUploadResource" ofType:@".bmp"]];
   NSError *fileReadError;
   //Create file data
   NSData *fileData = [NSData dataWithContentsOfFile:[fileURL absoluteString] options:kNilOptions error:&fileReadError];
   if(!fileReadError)
   {
       //Create an MSGraphOneDriveLargeFileUploadTask.
       [MSGraphOneDriveLargeFileUploadTask createOneDriveLargeFileUploadTaskWithHTTPClient:httpClient fileData:fileData fileName:@"LargeFile" filePath:@"Documents" andChunkSize:5*1024*1024 withCompletion:^(MSGraphOneDriveLargeFileUploadTask *fileUploadTask, NSData *data, NSURLResponse *response, NSError *error) {
           if(error)
           {
               //Handle any error which might have occurred during upload session creation
               NSLog(@"There was some error while creating upload session %@",error);
           }
           else if([(NSHTTPURLResponse *)response statusCode] == 200 && fileUploadTask)
           {
               //Use successfully created fileUploadTask to upload the file.
               [fileUploadTask uploadWithCompletion:^(NSData *data, NSURLResponse *response, NSError *error) {
                   if(!error)
                   {
                       NSLog(@"Response from server %@",[NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil]);
                   }
               }];
           }
       }];
   }

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