Group by date

Group by date

NSMutableArray *resultArray = [NSMutableArray new];
NSMutableOrderedSet *orderedDates = [NSMutableOrderedSet new];
for (LCFeed *feed in feeds) {
	[orderedDates addObject:feed.createdDateString];
}

for (NSString *name in orderedDates) {
	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"createdDateString = %@", name];
	NSArray *groupOfFeeds = [feeds filteredArrayUsingPredicate:predicate];
	[resultArray addObject:groupOfFeeds];
}

createdDateString = [NSDateFormatter localizedStringFromDate:self.createdDate dateStyle:NSDateFormatterShortStyle timeStyle:NSDateFormatterNoStyle];