text: from jsonfield import JSONField
  from django.db import models
  
  from pyplan.pyplan.companies.models import Company
  
  
  class Department(models.Model):
      code = models.CharField(max_length=50, blank=False, null=False)
      name = models.CharField(max_length=255, blank=True, null=True)
      engine_definitions = JSONField(blank=True, null=True)
      login_action = JSONField(blank=True, null=True)
  
      # denied folders and modules
      denied_items = JSONField(
          blank=True, null=True, help_text='{ "folders": ["folder_a"], "modules": [{ "model_id": "model_a", "modules_ids": ["id_of_module"] }] }')
  
      company = models.ForeignKey(Company, on_delete=models.CASCADE, related_name='departments')
  
      def __str__(self):
          return f'[{self.company.code}] - {self.code} - {self.name}'
  