fugly file uploading

gistfile1.m

//
//  TaskViewController.m
//  RecPotato
//
//  Created by Karl Herler on 8/9/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "TaskViewController.h"
#import <MobileCoreServices/UTCoreTypes.h>

@implementation TaskViewController

@synthesize taskDescription, taskName, taskLocation, taskValue, doButton, videoPicker, receivedData, progessing;


// default actions
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}




#pragma mark Actions

- (IBAction)doButtonPress {
    //show the video picker
    
    [self primeVideo];
    [self.navigationController presentModalViewController:self.videoPicker animated:YES];
    
}


#pragma mark helper methods

- (void)primeVideo {
    //initialize the video picker
    self.videoPicker = [[UIImagePickerController alloc] init];
    
    //Do some configuration
    self.videoPicker.sourceType = UIImagePickerControllerSourceTypeCamera;
    self.videoPicker.mediaTypes = [[NSArray alloc] initWithObjects: (NSString *) kUTTypeMovie, nil];
    self.videoPicker.delegate = self;
}


- (NSData *)generatePostDataForData:(NSData *)uploadData {
    // method gotten from: http://stackoverflow.com/questions/1065628/uploading-video-with-iphone
    
    NSMutableString *post_mutable = [NSMutableString stringWithCString:"--AaB03x\r\nContent-Disposition: form-data; name=\"upload[file]\"; filename=\""  encoding:NSASCIIStringEncoding];
    [post_mutable appendString:[taskName text]];
    [post_mutable appendString:[NSString stringWithCString: "\"\r\nContent-Type: application/octet-stream\r\nContent-Transfer-Encoding: binary\r\n\r\n"  encoding:NSASCIIStringEncoding]];
    
    // Generate the post header:
    NSString *post = post_mutable;
    
    // Get the post header int ASCII format:
    NSData *postHeaderData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
    
    // Generate the mutable data variable:
    NSMutableData *postData = [[NSMutableData alloc] initWithLength:[postHeaderData length]];
    [postData setData:postHeaderData];
    
    // Add the image:
    [postData appendData: uploadData];
    
    // Add the closing boundry:
    [postData appendData: [@"\r\n--AaB03x--" dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]];
    
    // Return the post data:
    
    return postData;
}

- (void)post:(NSData *)fileData {
    /*  method gotten from: http://stackoverflow.com/questions/1065628/uploading-video-with-iphone
     *   Modified by Karl Herler on 19-08-2011.
     */
    
    NSLog(@"POSTING");
    
    NSURL *url = [NSURL URLWithString:@"http://46.51.175.244:1337/"];
    
    // Generate the postdata:
    NSData *postData = [self generatePostDataForData: fileData];
    //NSString *postData = @"asdasdsa";
    NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
    
    // Setup the request:
    NSMutableURLRequest *uploadRequest;
    
    uploadRequest = [[[NSMutableURLRequest alloc] initWithURL: url cachePolicy: NSURLRequestReloadIgnoringLocalCacheData timeoutInterval: 2000 ] autorelease];
    
    [uploadRequest setHTTPMethod:@"POST"];
    
    [uploadRequest setValue:postLength forHTTPHeaderField:@"Content-Length"];
    
    [uploadRequest setValue:@"multipart/form-data; boundary=AaB03x" forHTTPHeaderField:@"Content-Type"];
    
    [uploadRequest setHTTPBody:postData];
    
    // Execute the reqest:
    NSURLConnection *conn=[[NSURLConnection alloc] initWithRequest:uploadRequest delegate:self];
    //Boolean conn = 1;
    if (conn) {
        // Connection succeeded (even if a 404 or other non-200 range was returned).
        
        /*UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Uploading" message:@"Upload in progress..." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
        [alert show];
        [alert release];*/
        
        
        
        /* request in progress dialog */
        progessing = [[[UIAlertView alloc] initWithTitle:@"Uploading your video\nPlease Wait..." message:nil delegate:self cancelButtonTitle:nil otherButtonTitles: nil] autorelease];
        [progessing show];
        
        UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
        
        // Adjust the indicator so it is up a few pixels from the bottom of the alert
        indicator.center = CGPointMake(progessing.bounds.size.width / 2, progessing.bounds.size.height - 50);
        [indicator startAnimating];
        [progessing addSubview:indicator];
        [indicator release];
        
    
        NSLog(@"sucess");
    } else {
        // Connection failed (cannot reach server).
        NSLog(@"fail");
    }
    
}



#pragma mark NSURLConnection methods

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
    // This method is called when the server has determined that it
    // has enough information to create the NSURLResponse.
	
    // It can be called multiple times, for example in the case of a
    // redirect, so each time we reset the data.
	
    // receivedData is an instance variable declared elsewhere.
    
    NSLog(@"didReceiveResponse called");
    
    [receivedData setLength:0];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    // Append the new data to receivedData.
    // receivedData is an instance variable declared elsewhere.
    
    NSLog(@"didReceiveData called");
    
    [receivedData appendData:data];
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
    // do something with the data
    // receivedData is declared as a method instance elsewhere
    NSLog(@"Succeeded! Received %d bytes of data",[receivedData length]);
    
    
    [progessing dismissWithClickedButtonIndex:0 animated:YES];
    
    
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Upload" message:@"Upload was successful." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
    [alert show];
    [alert release];
    
    
    // release the connection, and the data object
    [connection release];
    [receivedData release];
}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
    // release the connection, and the data object
    [connection release];
    // receivedData is declared as a method instance elsewhere
    [receivedData release];
    
    [progessing dismissWithClickedButtonIndex:0 animated:YES];
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Upload" message:@"Upload failed\nSorry." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
    [alert show];
    [alert release];
    
    
    // inform the user
    NSLog(@"Connection failed! Error - %@ %@",
          [error localizedDescription],
          [[error userInfo] objectForKey:NSURLErrorFailingURLStringErrorKey]);
}



#pragma mark UIImagePickerController methods


- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    
    
    //assign the mediatype to a string 
    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
    
    //check the media type string so we can determine if its a video
    if ([mediaType isEqualToString:@"public.movie"]){
        NSLog(@"got a movie");
        NSURL *videoURL = [info objectForKey:UIImagePickerControllerMediaURL];
        NSData *webData = [NSData dataWithContentsOfURL:videoURL];
        
        [self post:webData];
        
        //[webData release];
    }
    
    
    [[picker parentViewController] dismissModalViewControllerAnimated:YES];
    [picker release];
}
/*- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    puts("canceled");
}*/




#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    // Do any additional setup after loading the view from its nib.
}

- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}


@end