Difference between MVC and MVT design patterns

The MVC is a software design pattern for building web applications. MVC pattern is made up of three parts: Some of the commonly used frameworks that help to develop applications include Model, View, and Controller. The Django web framework has a model-view-template or MVT architecture. So, you use Django to build your site or application entirely. Through the Python Django framework, you can model databases and create HTML templates to display to the UI using views.

Model View Controller (MVC)

This design pattern breaks down software into three major components: Model, View, and Controller. Each component performs a task individually. The MVC design pattern mainly applies to an application's UI / interaction layer.

Model: The model in the MVC is used to create the interfaces that deal with the Database and manipulate and manage that data for the entire web application's logical data. A Model is an object that has data, and there are no instructions on how to present it to the end-user.
Views: An MVC view is an interface to the user, offering Model Data in the desired format. It is also used to collect information from users. This MVC view is different from the Views in the Django framework. The View looks like the data contained in the model, and it knows where to find the data contained in the model, but it does not know what that data represents.
Controller: The MVC Controller runs between the view and the model. It waits for event notifications from the view or any other source and reacts correctly to them. The MVC controller is the core of a web application, with all the logic involved.

Model View Template (MVT)

MVT is an architectural design pattern that is used in the Django web framework. Django prefers to have its implementation of logic in its web application and therefore its framework contains all controller parts.

Model: In the MVT architecture, the model provides the format and functionality of the data you are trying to store using the site. Each Django model you create creates a table in the database, and each attribute of the model becomes a field in the table. The model serves the same purpose as it is the interface to the data stored in the database.
Views: In Django, Views behave like a bridge between Model data and the Templates. In the MVT architecture, the views are supposed to contain all the logic behind the web apps, and it connects Models with Templates. It receives a user request, pulls relevant data from the databases and returns the template and the fetched data to the user. Hence, in Django's MVT architectural structure and design, there is no specific controller; everything exists within Model -View - Template itself. Hence the name is MVT.
Template: Django has the concept of templates in its framework. Templates control everything in the User Interface, are loaded with all the HTML and CSS pages, and display the content of the web applications. Moreover, it handles all the input given by the user and enables the easy use of web applications. Python Django framework employs Django's Template Language (DML), which allows a single template to be utilized by several views to depict diverse data.

Key Differences between MVC and MVT

Difference between MVC and MVT design patterns

Here are the differences between MVC and MVT patterns:

Feature	MVC (Model-View-Controller)	MVT (Model-View-Template)
Primary Use	It is used in frameworks including Ruby on Rails, Spring, ASP. NET.	It is primarily used in Django.
Components	Model, View, Controller	Model, View, Template
Model	It represents the data structure. It controls all data, decision-making logic, and rules.	It represents the data structure. It is responsible for handling the data, the operations and the rules.
View	It outputs data to the user. It is a graphical user interface of the application.	It is responsible for parsing the data returned from the model and passing it to the template for rendering.
Controller	It performs actions based on the user input, interacts with the model, and refreshes the view.	No particular controller; this functionality is performed by Django views.
Template	Not a separate feature; the rendering is done by the view.	Web documents such as HTML files or any other documents that define how data is to be represented.
Data Handling	Controller takes input from the user and updates the model.	Views contain the application logic, work with the model, and transfer the data to the template.
URL Routing	URL routes are mapped to controllers.	URL routes are mapped with views.
Business Logic	It is usually located in the model and the controller folders.	It is located in the model and views.
Separation of Concerns	Clear separation among components.	Components are organized separately, but the emphasis is on rendering in the form of templates.
Complexity Management	It can also accept complicated interactions through controllers.	It made handling easier by using views and templates.
Template Handling	View can also handle both the logic and the presentation.	Presentation is in one template file and the logic in another view.
Development Focus	Developers pay attention to functional, presentation and User input processing layers.	It is common for developers to specify distinctions between business logic, data, and presentation templates.
View Responsibility	Views are the ones that produce UI components.	Views receive data and decide which template to use.

Conclusion:

In conclusion, the MVC and MVT design patterns are employed to structure code in web applications. In MVC architecture, the Model corresponds to the data management and the business rules of the application. The View takes care of the GUI layer, and the interaction of the application with the end user is done through the View. The Controller is also responsible for interacting with the user in that it handles the input, modifies the model, and determines what view should appear. This pattern is widely used in frameworks such as Ruby on Rails and ASP. NET.

On the other hand, MVT is mostly associated with Django. It makes it easier by eliminating the controller component implication. The Model controls the data and the business logic, while the View handles the business logic and obtains data from the Model to display in the end user interface, which is controlled by the Template layer where HTML is used to present the data to the end users. In MVT, Django's views act like the controller and offer an efficient path to connecting the model and the template for the development process.

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