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CommunicationSingleton *CSS = [CommunicationSingleton sharedSingleton];
NSString *urlString = [[CSS getDefaultAPIURL] stringByAppendingFormat:@"%@/projects/%@/thumbnail",[CSS getSlug],currentProject.mID];
MultIPartFormCommunication *MPC = [MultIPartFormCommunication sharedSingleton];
// See the bottom of the page to see the uploadImage method[test|1.5 Code Examples#authenticationCode]
if (![MPC uploadImage:imagePlaceholder.image withExtension:@"jpeg" withFileName:@"thumbnail" ToURLString:urlString]){
[[ProjectManager sharedProjectManager] addUnUploadedThumbnailsProjectIdToList:currentProject.mID];
}

- (BOOL)uploadImage:(UIImage*)image withExtension:(NSString*)ext withFileName:(NSString*)fileName ToURLString:(NSString*)urlString{
    
    CommunicationSingleton *CSS = [CommunicationSingleton sharedSingleton];
    NSURL *url = [NSURL URLWithString:urlString];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    // Method
    [request setHTTPMethod:@"POST"];
    
    // Set headers
    NSString *boundary = @"AaB03x";
    NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
    
    [request setValue:[CSS getAuthorization] forHTTPHeaderField:@"Authorization"];
    [request addValue:contentType forHTTPHeaderField:@"Content-Type"];
    
    // FORM
    NSData *dataForTestImage = UIImageJPEGRepresentation(image, 1.0);
    NSMutableData *body = [NSMutableData data];
    
    [body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file\"; filename=\"%@.%@\"\r\n", fileName,ext] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:dataForTestImage];
    
    // fileName
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"fileName\"\r\n\r\n%@.%@", fileName,ext] dataUsingEncoding:NSUTF8StringEncoding]];
    
    // type
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"type\"\r\n\r\nimage/%@", ext] dataUsingEncoding:NSUTF8StringEncoding]];
    
    // size
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"size\"\r\n\r\n%d", [dataForTestImage length]] dataUsingEncoding:NSUTF8StringEncoding]];
    
    
    // objectIds
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"objectIds\"\r\n\r\n%@", @""] 
dataUsingEncoding:NSUTF8StringEncoding]];
    
    // End
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    
    [request setHTTPBody:body];
    
    NSHTTPURLResponse* response;
    NSError* err;
    [NSURLConnection sendSynchronousRequest:request
                          returningResponse:&response
                                      error:&err];
    
    if ([response statusCode] == 201) {
        return true;
    }else{
        return false;
    }
}