from django.db import models class Product(models.Model): name = models.CharField(max_length=255) description = models.TextField() capacity = models.IntegerField() # In liters price = models.DecimalField(max_digits=10, decimal_places=2) # image = models.ImageField(upload_to='products/', null=True, blank=True) def __str__(self): return self.name class TankOrder(models.Model): name = models.CharField(max_length=100) address = models.CharField(max_length=255) phone = models.CharField(max_length=20) tank_size = models.CharField(max_length=50) created_at = models.DateTimeField(auto_now_add=True) def __str__(self): return f"Order for {self.name} at {self.address}"