def _getAnswer( self):
     ph = PrincipalHolder()
     for user in self._userList:
         pr = ph.getById(user["id"])
         if pr != None:
             self._wm.addManager(pr)
     return fossilize(self._wm.getManagers())

 def _getAnswer(self):
     ph = PrincipalHolder()
     if self._kindOfList == "modification":
         self._categ.revokeModification(ph.getById(self._userId))
     elif self._kindOfList == "confCreation":
         self._categ.revokeConferenceCreation(ph.getById(self._userId))
     return self._getControlUserList()

 def _getAnswer(self):
     ph = PrincipalHolder()
     for user in self._userList:
         if self._kindOfList == "manager":
             self._session.grantModification(ph.getById(user["id"]))
         elif self._kindOfList == "coordinator":
             self._session.addCoordinator(ph.getById(user["id"]))
     return self._getSessionChairList()

 def _getAnswer(self):
     ah = PrincipalHolder()
     for user in self._userList:
         av = ah.getById(user["id"])
         if av is None:
             raise NoReportError(_("The user with email %s that you are adding does not exist anymore in the database") % user["email"])
         self._contribution.grantSubmission(av)
     return self._getSubmittersList()

 def _getAnswer( self):
     ph = PrincipalHolder()
     pr = ph.getById(self._userId)
     if pr != None:
         self._wm.removeManager(pr)
     elif not self._wm.removeManagerById(self._userId):
         raise ServiceError("ER-U0", _("Cannot find user with id %s") % self._userId)
     return fossilize(self._wm.getManagers())

 def _getAnswer(self):
     ph = PrincipalHolder()
     for user in self._userList:
         if self._kindOfList == "modification":
             self._categ.grantModification(ph.getById(user["id"]))
         elif self._kindOfList == "confCreation":
             self._categ.grantConferenceCreation(ph.getById(user["id"]))
     return self._getControlUserList()

 def _getAnswer(self):
     ph = PrincipalHolder()
     for user in self._userList:
         person = ph.getById(user["id"])
         if person is None:
             raise NoReportError(_("The user with email %s that you are adding does not exist anymore in the database") % user["email"])
         if self._kindOfList == "manager":
             self._session.grantModification(person)
         elif self._kindOfList == "coordinator":
             self._session.addCoordinator(person)
     return self._getSessionChairList()

 def _getAnswer(self):
     if self._kindOfUser == "pending":
         # remove pending email, self._submitterId is an email address
         self._contribution.revokeSubmissionEmail(self._submitterId)
     else:
         ah = PrincipalHolder()
         av = ah.getById(self._submitterId)
         if av is not None:
             # remove submitter
             self._contribution.revokeSubmission(av)
         else:
             raise ServiceError("ERR-U0", _("User does not exist."))
     return self._getSubmittersList()