Django :User friendly Backend And Frontend Data Handling

  • By Deepali Shinkar
  • February 28, 2023
  • Django

Django :User friendly Backend And Frontend Data Handling

Django is a server-side web framework for the back end. Python web page development is made simpler by Django. It adheres to the model-view-template architectural design pattern and is free and open-source, built in Python. 

Feature of Django:

Django :User friendly backend and frontend data handling

 

MVT (Model View Template) architecture pattern, one of the  most well-liked software design patterns, is used by Django  because it is a web framework. As you can see, MVT is composed  of the words “Model,” “View,” and “Template.” 

Model : 

The Model Model defines all the database table structures as Python classes. It is referred to as a model in Django. 

Each Django model field corresponds to a single column in a single database table, and every model represents a single table. 

The database serves as the logical data structure for the whole  Django web application. Every Django model is a member of the 

Django class. db.models. model group. The database and our web application communicate through it. 

 

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View: 

One of the most well-liked layers in our web application, the view,  contains all of the business logic. 

The view must communicate with the model and template as well,  which is why it is crucial. After handling the user request, the view essentially produces a HttpResponse. 

The term “view” refers to the Python views.py file in the  Django project directory. 

 

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Template: 

The third MVT component, the template, is solely in charge of managing the user interface (UI) layer. There are both static and dynamic elements in the template. 

The Django MVT architecture is that, then. Model, View, and  Template are the three components that make up a whole Django project.

 

The pre-requisite command for the Django project: 

  • Beginning a project

Start your project by typing the command 

Django :User friendly backend and frontend data handling

 

Next navigate to this folder.

Django :User friendly backend and frontend data handling

 

  • Running the Server

 

Django :User friendly backend and frontend data handling

 

  •  Create an application of the project 

Django :User friendly backend and frontend data handling

We shall introduce the Class-Based Generic views in this blog. The  selective CRUD (create, retrieve, update, and delete) activities are  carried out using this more sophisticated collection of built-in views.  We can easily manage the HTTP and POST requests for a view by  using class-based views. 

 

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Function-based View: 

Beginners can readily comprehend function-based views because they are user-friendly for them. In contrast to views based on classes, it is relatively simple to understand. 

It is simple to use and comprehend.

The explicit code flow is provided. 

simple use of decorators. 

Yet, a function-based approach is limited in scope and results in redundant code. 

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Class-based View: 

Function-based views can be swapped out for class-based views.  Instead of using functions, all operations are handled using Python objects. They offer some great illustrations for function-based views. Class-based views make it simple to implement CRUD  operations. 

It adheres to Django’s DRY principle. 

It enables the inheritance of other classes and can be altered to suit different use cases. 

Nonetheless, they are challenging to read and understand. Implicit code flow is present. 

Every generic view in Django is either one of the classes in Django.views.generic or a class that derives from one of those types. 

Django :User friendly backend and frontend data handling

CreateView create or add new entries in a table in the database.

Retrieve Views – read, retrieve, search, or view existing entries as  a list

(ListView) or retrieve a particular entry in detail (DetailView).

UpdateView – update or edit existing entries in a table in the database. 

DeleteView delete, deactivate, or remove existing entries in a  table in the database 

FormView – renders a form to the template and handles data entered by the user. 

Using class-based views, perform CRUD operations (Create,  Retrieve, Update, Delete). 

We’ll show you how to use ListView in an application utilizing a class-based view. 

We will build an Employee model in the model.py application file.

Django :User friendly backend and frontend data handling

 

In admin.py please register a model in the admin session.

Django :User friendly backend and frontend data handling

 

And then we run the following command. 

python manage.py make migrations 

python manage.py migrate

Then add code urls.py of project file, 

 

Django :User friendly backend and frontend data handling

 

Update urls.py of application folder: 

 

Django :User friendly backend and frontend data handling

 

Add code in views.py : 

Django :User friendly backend and frontend data handling

 

 

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Create a employee_list.html file template folder within application folder.Following code in employee_list.html:

Django :User friendly backend and frontend data handling

 

Run the project: 

Django :User friendly backend and frontend data handling

 

We can easily see backend data on frontend. 

Conclusion:

To alleviate that suffering, Django developed its generic views.  They abstract some widely used idioms and patterns from view  development so you can easily create common views of data  without writing a lot of code.

 

Author:-

Deepali Shinkar
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