编辑帖子后，在同一post_id上重定向

Question

我在Django创建了一个论坛网站，用户可以在其中发布问题/答案并编辑它们。 编辑回复后，我想将用户重定向到当前编辑的帖子页面。像用户一样 编辑答复已发布在问题4上的问题上（url为（ http:/ http://127.0.0.0.1.1 ：8000/dogition/4 ））然后在编辑后将其重定向到同一URL。编辑后，删除答复后，我将用户重定向到论坛主页，但我想重定向到/debled/{post_id} url（这是特定帖子的URL并删除）

urls.py

app_name = "dashboard"
urlpatterns = [

    path('', views.index, name="index"),
    path('user_home', views.user_home, name="user_home"),
    path('admin_home', views.admin_home, name="admin_home"),
    path("forum", views.forum, name="forum"),
    path("discussion/<int:myid>", views.discussion, name="discussion"),
    path("showallusers", views.show_all_users, name="showallusers"),
    path('delete_user/<int:pk>', views.delete_user, name="delete_user"),
    path('delete_post/<int:pk>', views.delete_post, name="delete_post"),
    path('delete_reply/<int:pk>', views.delete_reply, name="delete_reply"),
    path('upload_notes', views.upload_notes, name='upload_notes'),
    path('view_mynotes', views.view_mynotes, name='view_mynotes'),
    path('delete_mynotes/<int:pk>/', views.delete_mynotes, `name='delete_mynotes'), `
    path('pending_notes', views.pending_notes, name='pending_notes'),
    path('assign_status/<int:pk>', views.assign_status, name='assign_status'),
    path('accepted_notes', views.accepted_notes, name='accepted_notes'),
    path('rejected_notes', views.rejected_notes, name='rejected_notes'),
    path('all_notes', views.all_notes, name='all_notes'),
    path('delete_notes/<int:pk>', views.delete_notes, name='delete_notes'),
    path('delete-records/', views.delete_notes, name='delete_notes'),
    path('view_allnotes', views.view_allnotes, name='view_allnotes'),
    path('notessharing', views.notessharing, name='notessharing'),
    path('edit_post/<int:pk>/', views.edit_post, name='edit_post'),
    path('edit_reply/<int:pk>/', views.edit_reply, name='edit_reply'),
]

delete_reply代码

def delete_reply(request, pk=None):
    reply = Replie.objects.filter(id=pk)
    reply.delete()
    return redirect('/forum')

后，我想重定向到同一帖子后，删除了帖子的答复。

Models.py

class Post(models.Model):
    user1 = models.ForeignKey(User, on_delete=models.CASCADE, default=1)
    post_id = models.AutoField
    post_content = models.TextField(max_length=5000,verbose_name="")
    timestamp= models.DateTimeField(default=now)
    image = models.ImageField(upload_to="images",default="")
    def __str__(self):
        return f'{self.user1} Post'

class Replie(models.Model):
    user = models.ForeignKey(User, on_delete=models.CASCADE, default=1)
    reply_id = models.AutoField
    reply_content = models.TextField(max_length=5000,verbose_name="")
    post = models.ForeignKey(Post, on_delete=models.CASCADE, default='')
    timestamp= models.DateTimeField(default=now)
    image = models.ImageField(upload_to="images",default="")
    def __str__(self):
        return f'{self.user1} Post'

views.py

def forum(request):
    user = request.user
    profile = Profile.objects.all()
    if request.method=="POST": 
        form=PostContent(request.POST)
        if form.is_valid():  
            user = request.user
            image = request.user.profile.image
            content = request.POST.get('post_content','')
            post = Post(user1=user, post_content=content, image=image)
            post.save()
            messages.success(request, f'Your Question has been posted successfully!!')
            return redirect('/forum')
        else:
            form=PostContent()  
    posts = Post.objects.filter().order_by('-timestamp')
    form= PostContent()
    context={
        'posts':posts,
        'form':form
    }
    return render(request, "forum.html",context)


def discussion(request, myid):
    post = Post.objects.filter(id=myid).first()
    replies = Replie.objects.filter(post=post)
    if request.method=="POST":
        form=ReplyContent(request.POST)
        if form.is_valid():  
            user = request.user
            image = request.user.profile.image
            desc = request.POST.get('reply_content','')
            post_id =request.POST.get('post_id','')
            reply = Replie(user = user, reply_content = desc, post=post, image=image)
            reply.save()
            messages.success(request, f'Your Reply has been posted successfully!!')
            return redirect(f'/discussion/{post_id}')
        else:
            form=ReplyContent()
    form= ReplyContent()
                
    return render(request, "discussion.html", {'post':post, 'replies':replies,'form':form})    


def edit_reply(request, pk):

    reply = Replie.objects.get(id=pk)

    if request.method == 'POST':
        form = UpdateReplyForm(request.POST, instance=reply)
        if form.is_valid():
            form.save()
            messages.success(request,"Reply updated successfully!")
            return redirect('/forum')
    else:
        form = UpdateReplyForm(instance=reply)
    context = {
        'form': form
    }
    return render(request, 'edit_reply.html', context)

edit_post视图

def edit_post(request, pk):

    post = Post.objects.get(id=pk)
    if request.method == 'POST':
        form = UpdatePostForm(request.POST, instance=post)
        if form.is_valid():
            form.save()
            messages.success(request, "Post updated successfully!")
            return redirect('/forum')
    else:
        form = UpdatePostForm(instance=post)
    context = {
        'form': form
    }
    return render(request, 'edit_post.html', context)

当前，在编辑答复后，我将用户重定向到Post Home Page，但我想将用户重定向到/docition/{post_id}。

模板代码： edit_reply.html

{% load static %}
{% block body %}
{% load crispy_forms_tags %}
<div class="container ">
    <form method="POST">
        <div class="form-group">
            {% csrf_token %}
            <fieldset class="form-group">
                <legend class="border-bottom mb-4 mt-4 f2" >Update Reply</legend>
            </fieldset>
            <label style="font-size:1rem; font-weight:bold;">Reply Content</label>
            {{form|crispy}}
            <input type="hidden" name="post_id" value="{{post_id}}"> 
            <div class="form-group">
                <button href="" class="btn btn-primary" type="Update">
                     Update
                </button>
            </div>
        </div>
    </form>
</div>
{% endblock body %}

Answer 1

您可以通过传递args = [Reply.post.ID] pk 查看查看查看 查看。

尝试以下操作：
Views.py

from django.shortcuts import render, redirect
from django.urls import reverse

def edit_reply(request, pk):
    reply = Replie.objects.get(id=pk)

    if request.method == 'POST':
        form = UpdateReplyForm(request.POST, instance=reply)
        if form.is_valid():
            form.save()
            messages.success(request, "Reply updated successfully!")
            return redirect(reverse('dashboard:discussion', args=[reply.post.id]))
    else:
        form = UpdateReplyForm(instance=reply)
    context = {
        'form': form
    }
    return render(request, 'home/edit_reply.html', context)

注意： django中的表单form是后缀，因此，如果将其更改为Postcontentform和，它将更好ReplyContentform来自后costcontent和分别 。

一定是

return f'{self.user} Post'

not

return f'{self.user`} Post'

因为它不是requie模型中的任何字段。

注意：外国基础的名称通常以其自己的名字写成，并且在snake_case中，如果您将user1更改为用户 in post模型。

为了更好地理解：

如果表名是pizzatopingCategory，则在创建外键时，应将其命名为

pizza_toping_category=models.ForeignKey(PizzaTopingCategory, on_delete=models.CASCADE)

编辑：

您需要查找POST_ID，因此您可以通过：

在delte_reply视图中尝试一下：

def delete_reply(request, pk=None):
    reply = Replie.objects.filter(id=pk)
    reply_instance = get_object_or_404(Replie,id=pk)
    post_pk=reply_instance.post.id
    
    reply.delete()
    return redirect(reverse('dashboard:discussion', args=[post_pk]))

Answer 2

对于pk在讨论视图中，您应该写return redirect（rectersect（'dashboard：dashboard'，args = [reque.post.id]）））< /code> in edit_post查看：

views.py

def edit_post(request, pk):

    post = Post.objects.get(id=pk)
    if request.method == 'POST':
        form = UpdatePostForm(request.POST, instance=post)
        if form.is_valid():
            form.save()
            messages.success(request, "Post updated successfully!")
            return redirect(reverse('dashboard:discussion', args=[post.id]))
    else:
        form = UpdatePostForm(instance=post)
    context = {
        'form': form
    }
    return render(request, 'home/edit_post.html', context)