def updateRole = {
  	def listMultipleRoles = Role.findAllByCanBeMultipleForCourseOffering( true )
  	def roleAssignmentInstance = RoleAssignment.get(params.roleassignmentid)
  	def courseOffering = CourseOffering.findByCourseAndTerm( Course.get(params.id), Term.get(params.termid) )

    def campus = Campus.findByCampusName( params.campus as String )
    def role = Role.findByRoleName( params.role as String )
    def staff = params.staff ? Staff.get(params.staff as Long) : null

  	if (roleAssignmentInstance) {
  		roleAssignmentInstance.updateRoleAssignment(role, campus, staff)
      flash.message = "Role Assignment Updated <br />"
  	}
  	else if (courseOffering) {
      courseOffering.addRoleAssignmentToCourseOffering(role, campus, staff)
      flash.message = "New Role Assignment Added <br />"
  	}

    if (courseOffering) {
  		render(template:"roleUpdateForm",
  		       model:[
  		         roleAssignmentInstance: roleAssignmentInstance,
  		         courseOffering: courseOffering,
  		         listMultipleRoles : listMultipleRoles
  		       ]
  		      )
  	} else {
    	render "No Course Offering found!"
    }
	}