#import "TopicModel.h"

@implementation TopicModel

- (void)incrementUpVote{

[self setUpvote:[self upvote] + 1];

}

- (void)incrementDownVote{

[self setDownvote:[self downvote] + 1];

}

- (NSComparisonResult)compare:(id)otherTopic

{

if([self upvote] == [otherTopic upvote]){

return ([self timestamp] > [otherTopic timestamp]) ? NSOrderedDescending : NSOrderedAscending;

}

else if([self upvote] > [otherTopic upvote]){

return NSOrderedDescending;

}

else{

return NSOrderedAscending;

}

}