code: def add_entity(self):
          '''
          Add the entity. All the information got from the post data.
          '''
          post_data = self.get_post_data()
  
          if 'kind' in post_data:
              if post_data['kind'] == '1':
                  self.add_pic(post_data)
              elif post_data['kind'] == '2':
                  self.add_pdf(post_data)
              elif post_data['kind'] == '3':
                  self.add_url(post_data)
              else:
                  pass
          else:
              self.add_pic(post_dataf add_entity(self):
          '''
          Add the entity. All the information got from the post data.
          '''
          post_data = self.get_post_data()
  
          if 'kind' in post_data:
              if post_data['kind'] == '1':
                  self.add_pic(post_data)
              elif post_data['kind'] == '2':
                  self.add_pdf(post_data)
              elif post_data['kind'] == '3':
                  self.add_url(post_data)
              else:
                  pass
          else:
              self.add_pic(post_data)
docs: Add the entity. All the information got from the post data.