CRUD Generic Class-Based Views Django.How

1 models.py

from django.contrib.gis.db import models

class  Contact(models.Model):
    name = models.CharField(max_length=100)
    email = models.EmailField()
    address = models.CharField(max_length=100)
    phone = models.CharField(max_length=50)

2 admin.py

from django.contrib import admin 
from .models import Contact
admin.site.register(Contact)

3 views.py

from django.views.generic import ListView, DetailView 
from django.views.generic.edit import CreateView, UpdateView, DeleteView
from .models import Contact

class ContactList(ListView): 
    model = Contact

class ContactDetail(DetailView): 
    model = Contact

class ContactCreate(CreateView): 
    model = Contact
    success_url = reverse_lazy('contact_list')
    success_message = "contact successfully created!"

class ContactUpdate(UpdateView): 
    model = Contact
    success_url = reverse_lazy('contact_list')
    success_message = "contact successfully created!"

class ContactDelete(DeleteView): 
    model = Contact
    success_url = reverse_lazy('contact_list')
    success_message = "contact successfully created!"

4 Templates

contact_list.html

</p> <h1>Contacts</h1> <table> <thead> <tr> <th>Name</th> <th>Email</th> <th>Address</th> <th>Phone</th> <th>Actions</th> </tr> </thead> <tbody> {% for contact in object_list %}</p> <tr> <td>{{ contact.name }}</td> <td>{{ contact.email }}</td> <td>{{ contact.address }}</td> <td> <a href="{% url "contact_detail" contact.id %}">details</a><br /> <a href="{% url "contact_edit" contact.id %}">edit</a><br /> <a href="{% url "contact_delete" contact.id %}">delete</a> </td> </tr> <p>{% endfor %}<br /> </tbody> </table> <p>

contact_details.html

</p> <h1>Contact Details</h1> <p>Name: {{object.name}}</p> <p>Email: {{object.email}}</p> <p>Address: {{object.address}}</p> <p>Phone: {{object.phone}}</p> <p>

contact_form.html

</p> <h1>Contact Update</h1> <form method="post"> {% csrf_token %}<br /> {{ form.as_p }}<br /> <input type="submit" value="Submit" /><br /> </form> <p>

contact_confirm_delete.html

</p> <h1>Contact Delete?</h1> <form method="post"> {% csrf_token %}<br /> Are you sure you want to delete this contact?<br /> <input type="submit" value="Submit" /><br /> </form> <p>

5 urls.py

from django.urls import path
from . import views

urlpatterns = [
    # [...]
    path('contacts', views.ContactList.as_view(), name='contact_list'),
    path('contact/', views.ContactDetail.as_view(), name='contact_detail'),
    path('create', views.ContactCreate.as_view(), name='contact_create'),
    path('update/', views.ContactUpdate.as_view(), name='contact_update'),
    path('delete/', views.ContactDelete.as_view(), name='contact_delete'),
]

Passing extra context in views

def get_context_data(self, *args, **kwargs):          
    context = super(CBV_NAME, self).get_context_data(*args, **kwargs)
    new_context_entry = "here it goes"
    context["new_context_entry"] = new_context_entry
    return context

# or
  self.extra_context["another_one"] = "here goes more"

Resources

https://www.techiediaries.com/django-crud-generic-views

https://github.com/digenaldo/django-crud-example

https://www.geeksforgeeks.org/class-based-generic-views-django-create-retrieve-update-delete