Create a like button/function for my site

class Like(models.Model):
    user = models.ForeignKey(User)
    post = models.ForeignKey(Posts)
    created = models.DateTimeField(auto_now_add=True)
    
    def __unicode__(self):
        return self.user

def like(request, post_id):
    
    p = Posts.objects.get()
    number_of_likes = p.like_set.all().count()
    
    new_hipe, created = Hipe.objects.get_or_create(user=request.user, post_id=post_id)
    render_to_response('posts/wall.html',locals(),context_instance=RequestContext(request))
        
def post_detail(request, id):
    post_details = get_object_or_404(Posts, pk=id)
    user_likes_this = post.like_set.filter(user=request.user) and True or False
    
    return render_to_response('posts/wall.html',locals(),context_instance=RequestContext(request))