from django.db import models


class Sale(models.Model):

    customer = models.CharField(max_length=100)
    date = models.DateField("Date")
    phone = models.CharField(max_length=13)
    description = models.CharField(max_length=255)


class SaleLine(models.Model):

    sale = models.ForeignKey(Sale, on_delete=models.CASCADE)
    quantity = models.IntegerField(null=True)