code: def crud_handler(Model, name=None, **kwds):
      
  
      # import the necessary modules
      from nautilus.network.events import combine_action_handlers
      from . import update_handler, create_handler, delete_handler, read_handler
  
      # combine them into one handler
      return combine_action_handlers(
          create_handler(Model, name=name),
          read_handler(Model, name=name),
          update_handler(Model, name=name),
          delete_handler(Model, name=name),
      )
docs: This action handler factory reaturns an action handler that
          responds to actions with CRUD types (following nautilus conventions)
          and performs the necessary mutation on the model's database.
  
          Args:
              Model (nautilus.BaseModel): The model to delete when the action
                  received.
  
          Returns:
              function(type, payload): The action handler for this model