Django Model Helper

Django Model Helper

Generates Django models following best practices.

When to Use

• "Create a Django model for users"
• "Generate Product model"
• "Add BlogPost model with relationships"

Model Generation

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

class User(AbstractUser):
    """Custom user model."""
    bio = models.TextField(blank=True)
    avatar = models.ImageField(upload_to='avatars/', blank=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = 'users'
        ordering = ['-created_at']

    def __str__(self):
        return self.username

class Post(models.Model):
    """Blog post model."""
    title = models.CharField(max_length=200)
    slug = models.SlugField(unique=True)
    author = models.ForeignKey(User, related_name='posts')
    content = models.TextField()
    published_at = models.DateTimeField(null=True, blank=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = 'posts'
        ordering = ['-published_at']
        indexes = [
            models.Index(fields=['slug']),
            models.Index(fields=['author', '-published_at']),
        ]

    def __str__(self):
        return self.title

After Creating Model

1. Generate migration:

   python manage.py makemigrations
   

2. Apply migration:

   python manage.py migrate
   

Best Practices

• Use appropriate field types
• Add indexes for frequently queried fields
• Define str methods
• Use Meta class for table name and ordering
• Add related_name to relationships
• Include created_at/updated_at timestamps
• Use on_delete properly
• Add helpful docstrings

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