Re: how to write Ajax for a Like button in Django

Hi Ahmed, I was looking for that during several months and I have found examples than not run, and therefore I`ve get one conclution: "It`s not posible to get that functionality in Django". No one could demostrate with example code.

If you find something, please send me the code.

Thanks

  

Gabriel Araya Garcia

GMI - Desarrollo de Sistemas Informáticos

El dom., 17 may. 2020 a las 20:15, Ahmed Khairy (<ahmed.heshameldin@gmail.com>) escribió:

Hi all,

I need some help writing the ajax for a like button instead of refreshing every time a like is posted 

here is the template: 

                        <form action="{% url 'score:like_post' post.pk %}" method='POST'>

                            {% csrf_token %}

                    {% if user.is_authenticated %}

                            {% if liked %}

                                <button type='submit' name='post_id' class= "btn btn-danger btn-sm" value="{{post.id}}"> Unlike </button>                            

                            {% else %}

                                <button type='submit' name='post_id' class= "btn btn-primary btn-sm" value="{{post.id}}"> Like </button>                            

                            {% endif  %}

                    {% else %}

                    <small><a href="{% url 'login' %}"> Login</a> to Like </small>

                            <strong>{{total_likes}} Likes </strong>

                    {% endif %}

                        </form>     

Here is the urls:

    path('like/<int:pk>', LikeView, name='like_post'),

here is the views:

def LikeView(request, pk):

    post = get_object_or_404(Post, id=request.POST.get('post_id'))

    like = False

    if post.likes.filter(id=request.user.id).exists():

        post.likes.remove(request.user)

        like = False

    else:

        post.likes.add(request.user)

        like = True

    return redirect('score:post-detail', pk=pk)

class PostDetailView(DetailView):

    model = Post

    template_name = "post_detail.html"

    def get_context_data(self, *args, **kwargs):

        context = super(PostDetailView, self).get_context_data()

        stuff = get_object_or_404(Post, id=self.kwargs['pk'])

        total_likes = stuff.total_likes()

        liked = False

        if stuff.likes.filter(id=self.request.user.id).exists():

            liked = True

        context["total_likes"] = total_likes

        context["liked"] = liked

        return context

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