#!/usr/bin/env python

import cherrypy
import json
from dm.common.utility.encoder import Encoder
from dm.common.service.dmSessionController import DmSessionController
from dm.proc_web_service.service.impl.workflowSessionControllerImpl import WorkflowSessionControllerImpl

class WorkflowSessionController(DmSessionController):

    def __init__(self):
        DmSessionController.__init__(self)
        self.workflowSessionControllerImpl = WorkflowSessionControllerImpl()

    @cherrypy.expose
    @DmSessionController.require(DmSessionController.canManageStation())
    @DmSessionController.execute
    def getWorkflowByName(self, owner, encodedName, **kwargs):
        if not owner:
            raise InvalidRequest('Invalid owner provided.')
        name = Encoder.decode(encodedName)
        if not name:
            raise InvalidRequest('Invalid workflow name provided.')
        response = self.workflowSessionControllerImpl.getWorkflowByName(owner, name).getFullJsonRep()
        return response