from django.db import models class ScannedCode(models.Model): code = models.CharField(max_length=255, unique=True) scanned_at = models.DateTimeField(auto_now_add=True) def __str__(self): return self.code class MessagesAlert(models.Model): type_message = models.CharField(max_length=255, unique=True) product_line = models.CharField(max_length=255, unique=True) code_lexer = models.IntegerField() time = models.DateTimeField(auto_now_add=True)