gistfile1.txt

#import "CollectionViewController.h"
#import "CollectionViewCell.h"
#import "DetailViewController.h"
#import "NSDate+NVTimeAgo.h"
#import "UIImageView+AFNetworking.h"


@interface CollectionViewController ()
{
    NSUInteger currentIndex;
    NSMutableArray *parsedItems;
}
@end

@implementation CollectionViewController
@synthesize itemsToDisplay;

- (IBAction) addToFavorites:(id)sender {
    
    NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
    NSMutableArray *favoritefeeds;
    
    if ([prefs objectForKey:@"favoritefeeds"] == nil) {
        //create the array
        NSMutableArray *array = [[NSMutableArray alloc] init];
        [prefs setObject:array forKey:@"favoritefeeds"];
        
    }
    NSMutableArray *tempArray = [[prefs objectForKey:@"favoritefeeds"] mutableCopy];
    favoritefeeds = tempArray;
    
    
    
    //add the recipe
    [favoritefeeds addObject:[parsedItems objectAtIndex:1]];
    
    //save the array to NSUserDefaults
    [prefs setObject:favoritefeeds forKey:@"favoritefeeds"];
    
    
}

- (void)viewDidLoad {
    [super viewDidLoad];

    parsedItems = [[NSMutableArray alloc] init];
    self.itemsToDisplay = [NSArray array];
    self.title = @"Feeds";
    currentIndex = 0;
    [self parseNextfeed];
    

    }

- (void) parseNextfeed
{
    
    NSURL *feedURL = [NSURL URLWithString:[_feedurl objectAtIndex:currentIndex++]];
    feedParser = [[MWFeedParser alloc] initWithFeedURL:feedURL];
    feedParser.delegate = self;
    feedParser.feedParseType = ParseTypeFull;
    feedParser.connectionType = ConnectionTypeAsynchronously;
    [feedParser parse];
}

- (void)updateTableWithParsedItems {
    self.itemsToDisplay = [parsedItems sortedArrayUsingDescriptors:
                           [NSArray arrayWithObject:[[NSSortDescriptor alloc] initWithKey:@"date"
                                                                                ascending:NO]]];
    
    self.collectionView.userInteractionEnabled = YES;
    self.collectionView.alpha = 1;
    [self.collectionView reloadData];
}

#pragma mark -
#pragma mark MWFeedParserDelegate

- (void)feedParserDidStart:(MWFeedParser *)parser {
    NSLog(@"Started Parsing: %@", parser.url);
}

- (void)feedParser:(MWFeedParser *)parser didParseFeedInfo:(MWFeedInfo *)info {
    NSLog(@"Parsed Feed Info: “%@”", info.title);
}

- (void)feedParser:(MWFeedParser *)parser didParseFeedItem:(MWFeedItem *)item {
    NSLog(@"Parsed Feed Item: “%@”", item.title);
    if (item) [parsedItems addObject:item];
}

- (void)feedParserDidFinish:(MWFeedParser *)parser {
    NSLog(@"Finished Parsing%@", (parser.stopped ? @" (Stopped)" : @""));
    [self updateTableWithParsedItems];
    
    if (currentIndex < _feedurl.count) {
       
        [self parseNextfeed];
    }
   
 
}
- (void)feedParser:(MWFeedParser *)parser didFailWithError:(NSError *)error {
    NSLog(@"Finished Parsing With Error: %@", error);
    if (parsedItems.count == 0) {
         // Show failed message in title
    } else {
        // Failed but some items parsed, so show and inform of error
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Parsing Incomplete"
                                                        message:@"There was an error during the parsing of this feed. Not all of the feed items could parsed."
                                                       delegate:nil
                                              cancelButtonTitle:@"Dismiss"
                                              otherButtonTitles:nil];
        [alert show];
    }
    [self updateTableWithParsedItems];
    
}



#pragma mark <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {

    return 1;
}


- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return [itemsToDisplay count];
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    CollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"Cell" forIndexPath:indexPath];
    
    MWFeedItem *item = [itemsToDisplay objectAtIndex:indexPath.row];
    // Configure the cell
    
    
    cell.titleLabel.text = [item title];
    cell.pubDateLabel.text = [item.date formattedAsTimeAgo];
    

    if ([[item imagesFromContent] count]>0) {
        [cell.image setImageWithURL:[NSURL URLWithString:[item.imagesFromContent objectAtIndex:0]]
                   placeholderImage:[UIImage imageNamed:@"placeholder.jpeg"]];
    }
    else
    {
        [cell.image setImageWithURL:[NSURL URLWithString:item.thumbnail] placeholderImage:[UIImage imageNamed:@"placeholder.jpeg"]];
    }

    return cell;
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    
    if ([[segue identifier] isEqualToString:@"showDetail"]) {
        CollectionViewCell *cell = (CollectionViewCell *)sender;
        NSIndexPath *indexPath = [self.collectionView indexPathForCell:cell];
        MWFeedItem *item = [itemsToDisplay objectAtIndex:indexPath.item];
        [[segue destinationViewController] setItem:item];
    }}


@end