workx_backend/client/models.py

from django.db import models


class TaxType(models.Model):
    name = models.CharField(max_length=15)
    percentage = models.DecimalField()

    def __str__(self):
        return self.name


class Country(models.Model):
    name = models.CharField(max_length=30)

    def __str__(self):
        return self.name


class State(models.Model):
    name = models.CharField(max_length=30)
    country = models.OneToOneField(Country, on_delete=models.CASCADE)

    def __str__(self):
        return self.name


class City(models.Model):
    name = models.CharField(max_length=30)
    state = models.OneToOneField(State, on_delete=models.CASCADE)

    def __str__(self):
        return self.name


class Client(models.Model):
    name = models.CharField(max_length=30)
    profile_picture = models.ImageField(upload_to='client_images', null=True, blank=True)
    city = models.ForeignKey(City, on_delete=models.CASCADE)
    address_line1 = models.CharField(max_length=50)
    address_line2 = models.CharField(max_length=50)
    postal_code = models.CharField(max_length=15)
    tax_type = models.ForeignKey(TaxType, on_delete=models.CASCADE)
    tax_id = models.CharField(max_length=30)

    def __str__(self):
        return self.name