This API allows managing users with CRUD operations (Create, Read, Update, Delete) to handle user data stored in the database. The user data includes a nickname (user_nickname), full name (user_name), email (user_email), and age (user_age). 👤

The User model is used to represent a user in the system.

class User(models.Model): user_nickname = models.CharField(primary_key=True, max_length=100, default="") user_name = models.CharField(max_length=150, default="") user_email = models.EmailField(default='') user_age = models.IntegerField(default=0) def __str__(self): return f'Nickname: {self.user_nickname} | E-mail: {self.user_email}'

• user_nickname: A unique identifier for the user (Primary Key).
• user_name: The full name of the user.
• user_email: The email address of the user.
• user_age: The age of the user.

Returns a list of all users in the database.

• URL: /users/
• Success Response:
  • Status Code: 200 OK ✅
  • Body: List of users with user_nickname, user_name, user_email, user_age.

[ { "user_nickname": "john_doe", "user_name": "John Doe", "user_email": "john@example.com", "user_age": 28 }, { "user_nickname": "jane_doe", "user_name": "Jane Doe", "user_email": "jane@example.com", "user_age": 25 } ]

Allows getting or updating a specific user by their nickname.

• URL: /users/<nick>/

  • GET:

    • Retrieves the details of a user based on the user_nickname specified.
    • Success Response: 200 OK ✅ with user data.

  • PUT:

    • Updates the information of a user based on the user_nickname specified.
    • Success Response: 202 Accepted ✅ with the updated data.

{ "user_nickname": "john_doe", "user_name": "John Doe", "user_email": "john@example.com", "user_age": 28 }

Allows creating, retrieving, updating, and deleting a specific user based on the nickname. Depending on the HTTP method, the operation will differ.

• URL: /user_manager/

  • GET:

    • Retrieves user data based on the user_nickname passed via query parameters.
    • Example URL: /user_manager/?user=john_doe
    • Success Response: 200 OK ✅ with the user data.

  • POST:

    • Creates a new user with the provided data in the request body.
    • Success Response: 201 Created ✅ with the new user data.

  • PUT:

    • Updates the user data for the specified user_nickname.
    • Success Response: 202 Accepted ✅ with the updated user data.

  • DELETE:

    • Deletes the user based on the user_nickname provided in the request body.
    • Success Response: 202 Accepted ✅, indicating the user was deleted.

{ "user_nickname": "jane_doe", "user_name": "Jane Doe", "user_email": "jane@example.com", "user_age": 25 }

• Status Code: 202 Accepted ✅

The UserSerializer is responsible for converting User model instances to JSON format to be returned by the API and validating the data received for creation or updating operations.

from rest_framework import serializers from .models import User class UserSerializer(serializers.ModelSerializer): class Meta: model = User fields = ['user_nickname', 'user_name', 'user_email', 'user_age']

• GET all users: /users/
• GET or PUT user by nickname: /users/<nick>/
• User management: /user_manager/

GET /users/

GET /users/john_doe/

POST /user_manager/ Content-Type: application/json { "user_nickname": "new_user", "user_name": "New User", "user_email": "newuser@example.com", "user_age": 30 }

PUT /users/john_doe/ Content-Type: application/json { "user_name": "John Doe Updated", "user_email": "john_updated@example.com", "user_age": 29 }

DELETE /user_manager/ Content-Type: application/json { "user_nickname": "john_doe" }