@login_required
def post_create(request):
    form = PostForm(request.POST or None)
    if request.method == "POST":
        if form.is_valid():
            post = form.save(False)
            post.author = request.user
            form.save()
            return redirect('posts:profile', request.user)
    context = {
        'form': form
    }
    return render(request, 'posts/create_post.html', context)


@login_required
def post_edit(request, post_id):
    post = get_object_or_404(Post, pk=post_id)
    if request.user != post.author:
        return redirect('posts:post_detail', post_id=post.pk)

    form = PostForm(
        request.POST or None,
        files=request.FILES or None,
        instance=post
    )
    if form.is_valid():
        post = form.save(commit=False)
        post.author = request.user
        post.save()
        return redirect('posts:post_detail', post_id=post.pk)
    context = {
        'form': form,
        'is_edit': True,
    }
    return render(request, 'posts/create_post.html', context)