class MessageLog(models.Model):
  """Logs message processing"""
  log_type = models.CharField(max_length=20, choices=LOG_TYPE, default='IN')
  created = models.DateTimeField(auto_now_add=True)
  message = models.ForeignKey(Message, on_delete=models.CASCADE)
  text = models.CharField(max_length=1000)

  class Meta:
    ordering = ['-created']
    verbose_name = 'Message log'
    verbose_name_plural = 'Message logs'

  def __str__(self):
    return self.text

class MessageLogViewSet(viewsets.ModelViewSet):
  """Message logs"""
  queryset = MessageLog.objects.all()
  serializer_class = MessageLogSerializer