# catalog/models.py from django.db import models class Plant(models.Model): name = models.CharField(max_length=100) description = models.TextField(null=True) image = models.ImageField(upload_to='plants/', null=True, blank=True) # Allow null values buy_price = models.FloatField(null=True) sell_price = models.FloatField(null=True) stock = models.IntegerField(default=0) def __str__(self): return self.name