如何在Django中为页面添加书签？ [英] How to bookmark a page in Django?

问题描述

我正在尝试编辑html页面，以便已登录的用户可以收藏/标记 video.id

I am trying to edit an html page so a logged in user can favorite / bookmark a video.id

这是 .html 文件

<td>
    <form method='POST' action="{% url 'researcher_view_app:favourite_post' video.id %}">
        {% csrf_token %}
        <input type='hidden' name='video' value={{ video.id }}>
        <button type='submit'>Bookmark</button>
    </form>
</td>

这是 urls.py 文件

path('<int:fav_id>/favourite_post', views.favourite_post, name='favourite_post'),

这是 view.py 文件

def favourite_post(request, fav_id):
    video = get_object_or_404(Video, id=fav_id)
    if request.method == 'POST':
        video.

   return render(request, 'researcher_view_app/%s' % fav_id)

推荐答案

• 首先，修改具有用户模型的 models.py


• First you modify the models.py that has the user models

class ProjectUser(AbstractUser):
    images = models.ManyToManyField(Images)

    def __str__(self):
        return self.email







• 在 .html文件添加以下内容：


• In the .html file add the following:

{% for image in available_images %}
/* show image */
<form method='post' action="{% url 'user-image-add' %}">
 {% csrf_token %}
 <input type='hidden' name='image' value={{image.id}}>
 <button type='submit'>bookmark</button>
</form>
{% endfor %}







• 在您的 views.py 添加以下方法


• In your views.py add the following method

def user_image_add(request):
    user_image_form = ImageForm(request.POST or None)
    if request.method == 'POST' and user_image_form.is_valid(): 
         request.user.images.add(user_image_form.cleaned_data['image'])
         return JsonResponse(status=200)
    raise Http404()







• 在添加的文件中创建一个 forms.py 文件，并添加以下内容：


• Create a forms.py file in your add and add the following:

class ImageForm(forms.Form):
    image = forms.ModelChoiceField(queryset=Images.objects.all())

要显示这些加标签的图像，您可以迭代 request.user.images （它给出了类似于上面的代码。

To show those bookmarked images you can just iterate over request.user.images (it gives you a QS of Images) similar to code above.



• 在 URL中.py 添加以下内容：


• In the urls.py add the following:

path（'user-image-add /'，views.user_image_add，'user-image-add' ）



• 在models.py中，在用户模型中添加一种方法，用于将视频加为书签的布尔值



def is_bookmarked(self, video_id): 
    return self.bookmarked_videos.filter(id=video_id).exists()

类似地已被标记为可以添加到接受user_id并检查 video.projectuser_set 的视频模型中。

simirlarly is_bookmarked can be added to Video model accepting user_id and checking video.projectuser_set.

并将以下内容添加到您的.html中用户在其中添加了视频书签的文件

And add the following to your .html file where users bookmarked a video

`{% if video.is_bookmarked %}`





---






• 删除 UserProfile ，因为您不需要它。只需确保在上下文中需要实例即可。



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• Delete the UserProfile as you do not need it. Just make sure to have needed instance in context of view.

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