如何在django中打开一个特定投诉的编辑投诉页面

Question

我有一个查看投诉页面，在那里用户可以查看他/她已经提交的投诉。当用户点击其中一张卡，我需要一个新的页面打开，在那里用户可以查看该投诉的详细信息，并编辑它。

它应该从这里开始：

​

到这里:他们可以在这里查看详细信息并进行更改：

​

​

这是我的models.py：

class Complaint(models.Model):
   user = models.ForeignKey(User, on_delete= models.CASCADE, null = True, blank=True)
   id = models.AutoField(blank=False, primary_key=True)
   reportnumber = models.CharField(max_length=500 ,null = True, blank= False)
   eventdate = models.DateField(null=True, blank=False)
   event_type = models.CharField(max_length=300, null=True, blank=True)
   device_problem = models.CharField(max_length=300, null=True, blank=True)
   manufacturer = models.CharField(max_length=300, null=True, blank=True)
   product_code = models.CharField(max_length=300, null=True, blank=True)
   brand_name = models.CharField(max_length = 300, null=True, blank=True)
   exemption = models.CharField(max_length=300, null=True, blank=True)
   patient_problem = models.CharField(max_length=500, null=True, blank=True)
   event_text = models.TextField(null=True, blank= True)
   document = models.FileField(upload_to='static/documents', blank=True, null=True)

   def __str__(self):
       return self.reportnumber

views.py：

def EditComplaints(request):
   complaint = request.user.complaint
   form = ComplaintForm(instance=complaint)
   if request.method == 'POST':
       form = ComplaintForm(request.POST, request.FILES, instance=complaint)
       if form.is_valid():
           form.save()
   context = {'form': form}
   return render(request, 'newcomplaint.html', context)

模板(查看历史页面)：

<div class="col right-pro-con">
        <div class="img-cir">
            <form method='POST' action="" enctype="multipart/form-data">
                {% csrf_token %} {% if request.user.profile.profile_pic.url %}
                <img src={{request.user.profile.profile_pic.url}} alt="" width="100px" height="100px" class="pro-img"> {% else %}
                <img src="{% static 'profileimages/msi.jpg' %}" alt="" width="100px" height="100px" class="pro-img"> {% endif %}
                <p class="my-name">{{request.user.profile.first}}
                    <p>
                        <p class="my-email-id">{{request.user.profile.email}}</p>
            </form>
        </div>
        <a href="#" class="con-us">CONTACT US</a>
    </div>

模板(编辑投诉页面)：

<div class="col-lg middle middle-complaint-con">
        <i class="fas fa-folder-open fa-4x comp-folder-icon"></i>
        <h1 class="all-comp">New Complaint</h1>

        <form class="" action="" method="POST" enctype="multipart/form-data">
            {% csrf_token %}
            <p class="sub-typ-wr">Submit Type</p>
            <a href="/Login/Add-Complaint/Document-Style/"><button type="button" class="btn btn-secondary document-btn">Document</button></a>

            <div class="rep-num">
                <label class="written-label" for="">Report Number</label>
                <div class="written-txt-field">{{form.reportnumber}}</div>
            </div>

            <div class="eve-dte">
                <label class="written-label" for="">Event Date</label>
                <div class="written-txt-field">{{form.eventdate}}</div>
            </div>

            <div class="eve-typ">
                <label class="written-label" for="">Event Type</label>
                <div class="written-txt-field">{{form.event_type}}</div>
            </div>

            <div class="dev-pro">
                <label class="written-label" for="">Device Problem</label>
                <div class="written-txt-field">{{form.device_problem}}</div>
            </div>

            <label class="written-label eve-txt" for="">Event Text</label>

            <div class="Manufacturer">
                <label class="written-label" for="">Manufacturer</label>
                <div class="written-txt-field">{{form.manufacturer}}</div>
            </div>

            <div class="pro-code">
                <label class="written-label" for="">Product Code</label>
                <div class="written-txt-field">{{form.product_code}}</div>
            </div>

            <div class="brand-name">
                <label class="written-label" for="">Brand Name</label>
                <div class="written-txt-field">{{form.brand_name}}</div>
            </div>

            <div class="exem">
                <label class="written-label" for="">Exemption</label>
                <div class="written-txt-field">{{form.exemption}}</div>
            </div>

            <div class="pat-pro">
                <label class="written-label" for="">Patient Problem</label>
                <div class="written-txt-field">{{form.patient_problem}}</div>
            </div>



            <div class="comp-textarea">{{form.event_text}}</div>
            <button type="button" class="btn btn-secondary attach-btn-1"><div class="fas fa-file-upload">{{form.document}}</div></button>
            <button type="submit" name="submit" class="btn btn-secondary save-btn-1"><i class="fas fa-save"></i> Save</button>
        </form>

    </div>

url：

urlpatterns = [
   path('admin/', admin.site.urls),
   path('Home/', landing_page.views1.landing, name= 'Home'),
   path('Registration/', accounts.views.RegisterPage),
   path('Login/', accounts.views.LoginPage, name='Login'),
   path('Login/Profile/', accounts.views.profile, name='Profile'),
   path('Logout/', accounts.views.LogoutUser, name='Logout'),
   path('Login/Add-Complaint/', accounts.views.NewComplaint, name = 'New'),
   path('Login/Add-Complaint/Document-Style/', accounts.views.DocComplaint, name='doc'),
   path('My-History/', accounts.views.History, name='MyHistory'),
   path('Complaint/', accounts.views.EditComplaints, name='Complaint')
 ]

我该怎么做呢？我应该在代码中添加什么，以便代码打开特定的投诉详细信息并编辑该投诉页面？

Answer 1

好的，所以你已经有了一个视图。您需要的是某种类型的唯一标识符，以帮助您确定用户想要编辑的实际对象。

因此，在您的urls.py中，您必须添加一个类似如下的模式：

urlpatterns = [
    ...
    path('complain/<int:pk>/edit/', views.EditComplaint.as_view(), name='edit-complain'),
    ...
]

在您的views.py中，以类似于以下方式处理它：

from django.views.generics import UpdateView
from django.contrib.auth.mixins import UserPassesTestMixin
from django.http import Http404
from django.utils.translation import gettext_lazy as _

from .models import Complaint

class EditComplaint(UserPassesTestMixin, UpdateView):
    model = Complaint
    fields = ('info', )  # define whatever field that you want to render

    def form_valid(self, form):
        # do your form validation here

    def test_func(self):
        """ensuring the reporter themselves is updating the complain"""
        complain = self.get_object()

        if self.request.user == complain.user:
            return True
        raise Http404(_('This complain does not exist'))
  
    def success_url(self):
        # this is only required if your model doesn't have a `get_absolute_url` method
        # return the actual url of the instance

现在需要做的就是在EditComplaint视图的模板中添加一个链接(假设您的list模板中已经有了捐赠列表)。

一些基本的东西应该可以完成这项工作

{% for complaint in complaints %}
    <a href="{% url 'edit-complaint' complaint.pk %}">Edit Complaint</a>
{% endfor %}