monolit/examen/exam/catalog/models.py

from django.db import models
from django.urls import reverse
from django.contrib.auth.models import User, AbstractUser


class User(AbstractUser):
    first_name = models.CharField(max_length=254, verbose_name='Имя', blank=False)
    last_name = models.CharField(max_length=254, verbose_name='Фамилия', blank=False)
    avatar = models.ImageField(verbose_name="Загрузите аватарку", upload_to='avatars')
    email = models.CharField(max_length=254, verbose_name='Пoчтa', blank=False)
    password = models.CharField(max_length=254, verbose_name='Пapoль', blank=False)
    role = models.CharField(max_length=254, verbose_name='Poль',
                            choices=(('admin', 'Администратор'), ('user', 'Пoльзователь')), default='user')


class Product(models.Model):
    title = models.CharField(max_length=200)
    manufacturer = models.ForeignKey('manufacturer', on_delete=models.SET_NULL, null=True)
    summary = models.TextField(max_length=1000, help_text="Enter a brief description of the product")
    img = models.ImageField(upload_to='img', null=True, blank=True, default=None)
    isbn = models.CharField('ISBN', max_length=13, help_text='13 Character <a href="https://www.isbn-international.org/content/what-isbn">ISBN number</a>')
    def __str__(self):

        return self.title

    def get_absolute_url(self):

        return reverse('product-detail', args=[str(self.id)])

class Manufacturer(models.Model):
    name = models.CharField(max_length=100)

    def get_absolute_url(self):
        return reverse('manufacturer-detail', args=[str(self.id)])


    def __str__(self):
        return '%s' % (self.name)