Hi Andréas Kühne,
Regarding the first error
I have a list of posts in the listView and want to add the like button to
each post so how should I fix it?
Thank you
On Wednesday, May 13, 2020 at 6:08:31 AM UTC-4, Andréas Kühne wrote:
>
> Hi,
>
> There are a couple of errors in your code:
>
> 1. You are using a ListView and then trying to get an individual post?
> That is really strange
> 2. In your get_context_data method - you first get the context data,
> update it and then you set it to a new dict, so everything is reset in the
> dict.
> 3. you are trying to get the absolut url for your post, but aren't showing
> any post detail view.
>
> Regards,
>
> Andréas
>
>
> Den ons 13 maj 2020 kl 06:46 skrev Ahmed Khairy <ahmed.he...@gmail.com
> <javascript:>>:
>
>> I am currently trying to create a like button for my posts in Django
>>
>> I have reached to the part where I can add a like but I am facing
>> difficulty writing the code related to the view which linking the
>> PostListView if there is user who liked it or not. I am getting an error:
>> page Error 404 although everything is correct
>>
>>
>> this the views:
>>
>>
>> class PostListView(ListView):
>> model = Post
>> template_name = "score.html"
>> ordering = ['-date_posted']
>> context_object_name = 'posts'
>> queryset = Post.objects.filter(admin_approved=True)
>> paginate_by = 5
>>
>> def get_context_data(self, **kwargs):
>> post = get_object_or_404(Post, id=self.request.POST.get('post_id'
>> ))
>> context = super(PostListView, self).get_context_data(**kwargs)
>> context['posts'][0].likes.filter(id=self.request.user.id).exists
>> ()
>> is_liked = False
>> if post.likes.filter(id=self.request.user.id).exists():
>> is_liked = True
>> context = {'post': post,
>> 'is_like': is_liked,
>> }
>> return context
>>
>>
>>
>> def like_post(request):
>> post = get_object_or_404(Post, id=request.POST.get('post_id'))
>> is_liked = False
>> if post.likes.filter(id=request.user.id).exists():
>> posts.likes.remove(request.user)
>> is_liked = False
>>
>> else:
>> post.likes.add(request.user)
>> is_liked = True
>>
>> return HttpResponseRedirect(post.get_absolute_url())
>>
>>
>> This is the model
>>
>>
>> class Post(models.Model):
>> designer = models.ForeignKey(User, on_delete=models.CASCADE)
>> title = models.CharField(max_length=100)
>> date_posted = models.DateTimeField(default=timezone.now)
>> likes = models.ManyToManyField(User, blank=True, related_name='likes')
>>
>> def __str__(self):
>> return self.title
>>
>> Here is the
>>
>> path('like/', like_post, name='like_post'),
>>
>> here is the template:
>>
>> {% extends "base.html"%} {% block content %} {% for post in posts %}
>> <div style="padding-top: 200 px;"><strong>{{post.title}}</strong></div>
>> <form action="{% url 'score:like_post'%}" method="POST" class="ui form">
>> {% csrf_token %} {% if is_like %}
>> <input type="hidden" name="post_id" value="{{post.id}}" />
>> <button class="ui button positive" type="submit">Unlike</button>
>> {% else %}
>> <button class="ui button negative" type="submit">Like</button>
>> {% endif %}</form><strong>Likes </strong>
>>
>> {% endfor %} {% endblock content %}
>>
>>
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>>
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