• Course: Represents a course, with a title, description, duration, and instructor.

  • Module: Represents a module or section within a course, with a title, description, and order.

  • Lesson: Represents a lesson or topic within a module, with a title, description, and order.

  • Content: Represents a type of content that can be included in a lesson, with a lesson, order, content type (such as video or document), title, and URL or file field.

  • Quiz: Represents a quiz or assessment associated with a lesson, with a lesson, order, title, and description.

  • Discussion: Represents a discussion or forum associated with a lesson, with a lesson, title, and description.

from django.db import models from django.contrib.auth.models import User

class Course(models.Model): title = models.CharField(max_length=200) # The title of the course. description = models.TextField(blank=True, null=True) # A description of the course. duration = models.PositiveIntegerField(blank=True, null=True) # The duration of the course in hours. instructor = models.ForeignKey(User, on_delete=models.CASCADE) # The instructor who is teaching the course.

def __str__(self):
    return self.title

class Module(models.Model): title = models.CharField(max_length=200) # The title of the module. description = models.TextField(blank=True, null=True) # A description of the module. course = models.ForeignKey(Course, on_delete=models.CASCADE) # The course that this module belongs to. order = models.PositiveIntegerField() # The order in which this module appears within the course.

class Meta:
    ordering = ['order']

def __str__(self):
    return f'{self.order}. {self.title}'

class Lesson(models.Model): title = models.CharField(max_length=200) # The title of the lesson. description = models.TextField(blank=True, null=True) # A description of the lesson. module = models.ForeignKey(Module, on_delete=models.CASCADE) # The module that this lesson belongs to. order = models.PositiveIntegerField() # The order in which this lesson appears within the module.

class Meta:
    ordering = ['order']

def __str__(self):
    return f'{self.order}. {self.title}'

class Content(models.Model): CONTENT_TYPES = ( (‘text’, ‘Text’), # A text-based content type. (‘video’, ‘Video’), # A video-based content type. (‘document’, ‘Document’), # A document-based content type. (‘activity’, ‘Activity’) # An interactive activity-based content type. ) lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE) # The lesson that this content belongs to. order = models.PositiveIntegerField() # The order in which this content appears within the lesson. content_type = models.CharField(max_length=50, choices=CONTENT_TYPES) # The type of content (text, video, document, or activity). title = models.CharField(max_length=200) # The title of the content. text = models.TextField(blank=True, null=True) # The text content, if this is a text-based content type. video_url = models.URLField(blank=True, null=True) # The URL of the video content, if this is a video-based content type. document_file = models.FileField(upload_to=‘documents/’, blank=True, null=True) # The uploaded document file, if this is a document-based content type. activity_url = models.URLField(blank=True, null=True) # The URL of the interactive activity, if this is an activity-based content type.

class Meta:
    ordering = ['order']

def __str__(self):
    return f'{self.order}. {self.title}'

class Quiz(models.Model): lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE) # The lesson that this quiz is associated with. order = models.PositiveIntegerField() # The order in which this quiz appears within the lesson. title = models.CharField(max_length=200) # The title of the quiz. description = models.TextField(blank=True, null=True) # A description of the quiz.

class Meta:
    ordering = ['order']

def __str__(self):
    return f'{self.order}. {self.title}'

class Discussion(models.Model

  • Course: Django REST framework
  • Module 1: Introduction to Django REST framework and JSON
    • Lesson 1: What is Django REST framework and why use it?
      • Content: Text explaining the features and benefits of Django REST framework, such as easy serialization, flexible authentication, browsable APIs, etc.
    • Lesson 2: What is JSON and how to work with it in Python?
      • Content: Text explaining the syntax and structure of JSON, how to create and parse JSON objects in Python using json module, how to use requests module to make API calls and handle JSON responses, etc.
  • Module 2: Serialization and ViewSets
    • Lesson 3: What is serialization and how to use serializers in Django REST framework?
      • Content: Text explaining the concept of serialization and deserialization, how to create serializers for models using ModelSerializer class or custom fields and validators, how to use serializers in views or shell, etc.
    • Lesson 4: What are ViewSets and how to use them in Django REST framework?
      • Content: Text explaining the concept of ViewSets and how they simplify creating CRUD operations for APIs, how to create ViewSets for models using ModelViewSet class or custom actions, how to register ViewSets with routers and URLs, etc.

URLS

This will create the following URLs:

  • courses/ - list of all courses
  • courses/<pk>/ - details of a specific course
  • courses/<course_pk>/modules/ - list of all modules for a specific course
  • courses/<course_pk>/modules/<pk>/ - details of a specific module for a specific course
  • courses/<course_pk>/modules/<module_pk>/lessons/ - list of all lessons for a specific module
  • courses/<course_pk>/modules/<module_pk>/lessons/<pk>/ - details of a specific lesson for a specific module
  • courses/<course_pk>/modules/<module_pk>/lessons/<lesson_pk>/content/ - list of all content for a specific lesson
  • courses/<course_pk>/modules/<module_pk>/lessons/<lesson_pk>/content/<pk>/ - details of a specific content for a specific lesson