Example #1
0
def post_comment(request, post_pk):
    post = get_object_or_404(Post, pk=post_pk)

    # check the method
    if request.method == 'POST':
        print('receive the post')
        # construct the instance of comment form
        form = CommentForm(request.POST)

        # check if the data in the form is correct in format
        if form.is_valid():
            print('valid')
            comment = form.save(
                commit=False)  # generate the comment from the comment form
            comment.post = post  # relate to the post
            comment.save()  # save to comment database

            return redirect(post)  # redirect to post.get_absolute_url
        else:
            # find invalid, return to error page
            comment_list = post.comment_set.all()
            context = {
                'post': post,
                'form': form,
                'comment_list': comment_list
            }
            return render(request, 'iblog/detail.html', context=context)
    else:
        return redirect(post)
Example #2
0
def post_detail(request, slug=None):
    instance = get_object_or_404(Post, slug=slug)
    if instance.draft:
        if not request.user.is_staff or not request.user.is_superuser:
            raise Http404

    #content_type = ContentType.objects.get_for_model(Post)
    #object_id = instance.id
    #comments = Comment.objects.filter(content_type=content_type,object_id=object_id)
    #comments = Comment.objects.filter_by_instance(instance)
    #print(get_read_time(instance.get_markdown()))

    initial_data = {
        "content_type": instance.get_content_type,
        "object_id": instance.id
    }

    comment_form = CommentForm(request.POST or None, initial=initial_data)
    if comment_form.is_valid():
        c_type = comment_form.cleaned_data.get("content_type")
        content_type = ContentType.objects.get(model=c_type)
        object_id = comment_form.cleaned_data.get('object_id')
        content_data = comment_form.cleaned_data.get('content')
        parent_obj = None
        try:
            parent_id = int(request.POST.get('parent_id'))
        except:
            parent_id = None

        if parent_id is not None:
            parent_qs = Comment.objects.filter(id=parent_id)
            if parent_qs.exists() and parent_qs.count() == 1:
                parent_obj = parent_qs.first()

        new_comment, created = Comment.objects.get_or_create(
            user=request.user,
            content_type=content_type,
            object_id=object_id,
            content=content_data,
            parent=parent_obj)
        return HttpResponseRedirect(
            new_comment.content_object.get_absolute_url())

    comments = instance.comments
    context = {
        'qs': instance,
        'comments': comments,
        "comment_form": comment_form,
        'url': '/posts/'
    }

    return render(request, 'post_detail.html', context)
Example #3
0
def read(request, id=None):
    item = get_object_or_404(Post, id=id)
    if item.publish > timezone.now().date() or item.draf:
        if not request.user.is_staff or not request.user.is_superuser:
            raise Http404
    share_string = quote_plus(item.content)

    #print(get_read_time(item.get_markdown()))
    ## next two field used without modelManager
    #content_type = ContentType.objects.get_for_model(Post)
    #obj_id = item.id
    initial_data = {
        "content_type": item.get_content_type,
        "object_id": item.id
    }
    form = CommentForm(request.POST or None, initial=initial_data)
    if form.is_valid():
        c_type = form.cleaned_data.get("content_type")
        content_type = ContentType.objects.get(model=c_type)
        obj_id = form.cleaned_data.get("object_id")
        content_data = form.cleaned_data.get("content")
        parent_obj = None
        try:
            parent_id = int(request.POST.get("parent_id"))
        except:
            parent_id = None
        if parent_id:
            parent_qs = Comment.objects.filter(id=parent_id)
            if parent_qs.exists():
                parent_obj = parent_qs.first()

        new_comment, created = Comment.objects.get_or_create(
            user=request.user,
            content_type=content_type,
            object_id=obj_id,
            content=content_data,
            parent=parent_obj,
        )
        return HttpResponseRedirect(
            new_comment.content_object.get_absolute_url())

    #comments = Comment.objects.filter_by_instance(item)
    comments = item.comments
    context = {
        "item": item,
        "share_string": share_string,
        "comments": comments,
        "comment_form": form,
    }
    return render(request, 'read.html', context)
Example #4
0
def comment(request, post_pk):
    # 先获取被评论的文章,因为后面需要把评论和被评论的文章关联起来。
    # 这里我们使用了 django 提供的一个快捷函数 get_object_or_404,
    # 这个函数的作用是当获取的文章(Post)存在时,则获取;否则返回 404 页面给用户。
    post = get_object_or_404(Post, pk=post_pk)

    # django 将用户提交的数据封装在 request.POST 中,这是一个类字典对象。
    # 我们利用这些数据构造了 CommentForm 的实例,这样就生成了一个绑定了用户提交数据的表单。
    form = CommentForm(request.POST)

    # 当调用 form.is_valid() 方法时,django 自动帮我们检查表单的数据是否符合格式要求。
    if form.is_valid():
        # 检查到数据是合法的,调用表单的 save 方法保存数据到数据库,
        # commit=False 的作用是仅仅利用表单的数据生成 Comment 模型类的实例,但还不保存评论数据到数据库。
        comment = form.save(commit=False)

        # 将评论和被评论的文章关联起来。
        comment.post = post

        # 最终将评论数据保存进数据库,调用模型实例的 save 方法
        comment.save()

        # 这里导入 django 的 messages 模块,使用 add_message 方法增加了一条消息,
        # 消息的第一个参数是当前请求,因为当前请求携带用户的 cookie,django 默认将详细存储在用户的 cookie 中。
        # 第二个参数是消息级别,评论发表成功的消息设置为 messages.SUCCESS,这是 django 已经默认定义好的一个整数,消息级别也可以自己定义。
        # 紧接着传入消息的内容,最后 extra_tags 给这条消息打上额外的标签,标签值可以在展示消息时使用,比如这里我们会把这个值用在模板中的 HTML 标签的 class 属性,增加样式。
        messages.add_message(request,
                             messages.SUCCESS,
                             '评论发表成功!',
                             extra_tags='success')
        # 重定向到 post 的详情页,实际上当 redirect 函数接收一个模型的实例时,它会调用这个模型实例的 get_absolute_url 方法,
        # 然后重定向到 get_absolute_url 方法返回的 URL。
        return redirect(post)

    # 检查到数据不合法,我们渲染一个预览页面,用于展示表单的错误。
    # 注意这里被评论的文章 post 也传给了模板,因为我们需要根据 post 来生成表单的提交地址。
    context = {
        'post': post,
        'form': form,
    }
    messages.add_message(request,
                         messages.ERROR,
                         '评论发表失败!请修改表单中的错误后重新提交。',
                         extra_tags='danger')
    return render(request, 'comments/preview.html', context=context)
Example #5
0
def posts_detail(request, slug=None):
    instance = get_object_or_404(Post, slug=slug)
    # content_type = ContentType.objects.get_for_model(Post)
    # object_id = instance.id
    # comments = Comment.objects.filter(content_type=content_type, object_id=object_id)
    initial_data = {
        'content_type': instance.get_content_type,
        'object_id': instance.id,
    }
    comment_form = CommentForm(request.POST or None, initial=initial_data)
    if comment_form.is_valid():
        c_type = comment_form.cleaned_data.get('content_type')
        content_type = ContentType.objects.get(model=c_type)
        object_id = comment_form.cleaned_data.get('object_id')
        content_data = comment_form.cleaned_data.get('content')

        parent_obj = None
        try:
            parent_id = int(request.POST.get('parent_id'))
        except:
            parent_id = None
        if parent_id:
            parent_qs = Comment.objects.filter(id=parent_id)
            if parent_qs.exists() and parent_qs.count() == 1:
                parent_obj = parent_qs.first()

        new_comment, created = Comment.objects.get_or_create(
            user=request.user,
            content_type=content_type,
            object_id=object_id,
            content=content_data,
            parent=parent_obj)
        return HttpResponseRedirect(
            new_comment.content_object.get_absolute_url())

    comments = instance.comments
    context = {
        'title': 'Detail',
        'object': instance,
        'comments': comments,
        'comment_form': comment_form,
        'words_count': count_words(instance.get_markdown()),
        'read_time': get_read_time(instance.get_markdown()),
    }
    return render(request, 'post_detail.html', context)