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Python/Django

[Django] Class based View - DeleteView

이번에는 DeleteView 에 대해서 알아보겠습니다.

PK 를 이용하여 해당 정보만 삭제하면 됩니다.


클래스 기반 뷰 하위에는 생성, 상세, 업데이트, 삭제, 리스트 등이 있다.

Model based Class base Views - Create, Detail, Update, Delete, List.

 

간단하게 설명하면, 모델에서 인스턴스 생성, 모델 인스턴스에 대한 DetailView 생성, 인스턴스 업데이트 및 삭제, 

여러 인스턴스/디비에 있는 특정 모델의 모든 인스턴스 나열 이라고 할 수 있다.


 

views.py 에서 DeleteView 임포트, TeacherDeleteView 인스턴 생성 - class TeacherDeleteView(DeleteView):

 

from django.shortcuts import render
from django.urls import reverse_lazy, reverse
from django.views.generic import TemplateView, FormView, CreateView, ListView, DetailView, UpdateView, DeleteView

from classroom.forms import ContactForm
from classroom.models import TeacherModel

...

class TeacherDeleteView(DeleteView):
    # Form --> Confirm Delete Button
    # default template name:
    # model_confirm_delete.html --> teachermodel_confirm_delete.html
    model = TeacherModel
    success_url = reverse_lazy('classroom:list_teacher')

 

 

urls.py

 

# domain.com/classroom
urlpatterns = [
    # path('', views.home_view, name='home'), # path expects a function!
    path('', views.HomeView.as_view(), name='home'), # 클래스를 가지고 경로에 대한 함수를 반환
    path('thank_you/', views.ThankYouView.as_view(), name='thank_you'), 
    path('contact/', views.ContactFormView.as_view(), name='contact'), 
    path('create_teacher/', views.TeacherCreateView.as_view(), name='create_teacher'), 
    path('list_teacher/', views.TeacherListView.as_view(), name='list_teacher'), 
    path('detail_teacher/<int:pk>', views.TeacherDetailView.as_view(), name='detail_teacher'), 
    path('update_teacher/<int:pk>', views.TeacherUpdateView.as_view(), name='update_teacher'), 
    path('delete_teacher/<int:pk>', views.TeacherDeleteView.as_view(), name='delete_teacher'), 
]

 

 

teachermodel_confirm_delete.html 생성

 

<body>
    <h1>Are you sure you want to delete this teacher?</h1>
    <h2>{{teachermodel}}</h2>
    <form action="" method="post">
        {% csrf_token %}
        <input type="submit" value="Confirm Delete">
    </form>
</body>

 

 

teachermodel_list.html 수정 - 삭제 버튼을 추가하여 Confirm 화면으로 이동시킨다.

 

<body>
    <h1>List of Teachers (ListView)</h1>
    <ul>
        <!-- views 에서 context_object_name 을 설정하면 object_list->"설정한 변수명"으로 변경가능  -->
        {% for teacher in teacher_list %}
            <!-- <li>{{teacher.first_name}} {{teacher.last_name}}</li> -->
            <li>
                <a href="/classroom/detail_teacher/{{teacher.id}}">{{teacher.first_name}} {{teacher.last_name}}</a>
                <button><a href="/classroom/update_teacher/{{teacher.id}}">Update Information</a></button>
                <button><a href="/classroom/delete_teacher/{{teacher.id}}">Delete Information</a></button>
                
            </li>
        {% endfor %}
    </ul>
</body>

 

 

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