如何在 django 中为一项特定投诉打开我的编辑投诉页面

Question

我有一个查看投诉页面，用户可以在其中查看他/她提交的投诉。当用户点击其中一张卡片时，我需要打开一个新页面，用户可以在其中查看该投诉的详细信息并进行编辑。

它应该从这里开始：

到这里：他们可以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>

网址：

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？我应该在代码中添加什么代码以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。您需要某种唯一标识符来帮助您确定用户想要编辑的实际对象。

因此，在您的 urls.py 中，您必须添加类似于以下内容的模式：

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

您现在只需在您的模板中添加一个链接，用于EditComplaint 视图（假设您的列表模板中已经有捐赠列表作为捐赠）。

类似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 %}