def store(self, entity):
self.__grades.store(entity)
redo = FunctionCall(self.store, entity)
undo = FunctionCall(self.delete, entity)
operation = Operation(redo, undo)
self._undoController.recordOperation(operation)
def store(self, entity):
status = self.__repository.store(entity)
if status != False:
redo = FunctionCall(self.store, entity)
undo = FunctionCall(self.delete, entity.getID())
operation = Operation(redo, undo)
self._undoController.recordOperation(operation)
return status
def delete(self, ID):
entity = self.__repository.delete(ID)
if entity != False:
myList = self.__gradesRepository.getAllStudentGrades(ID)
self.__gradesRepository.deleteByStud(ID)
redo = FunctionCall(self.delete, ID)
undo = FunctionCall(self.store, entity)
operation = Operation(redo, undo)
self._undoController.recordOperation(operation)
for i in myList:
redo = FunctionCall(self.__gradesRepository.delete, i)
undo = FunctionCall(self.__gradesRepository.store, i)
operation = Operation(redo, undo)
self._undoController.recordOperation(operation)
return True
return False
def update(self, entity):
entityForUndo = self.__repository.find(entity.getID())
status = self.__repository.update(entity)
if status != False:
redo = FunctionCall(self.update, entity)
undo = FunctionCall(self.update, entityForUndo)
self._undoController.newOperation()
operation = Operation(redo, undo)
self._undoController.recordOperation(operation)
return status