def redo_remove_book(book_service, book_id):
a = book_service.get_entities()
title = a[book_id].title
author = a[book_id].author
book_service.remove_book(book_id)
UndoService.store_operation(book_service, UndoHandler.UNDO_REMOVE_BOOK,
book_id, title, author)
def ui_add_client(self):
client_id = input("client id: ")
name = input("Name: ")
self.__client_service.add_client(client_id, name)
RedoService.clear()
UndoService.store_operation(self.__client_service,
UndoHandler.UNDO_ADD_CLIENT, client_id)
def ui_add_book(self):
book_id = input("Book id: ")
title = input("Title: ")
author = input("Author: ")
self.__book_service.add_book(book_id, title, author)
RedoService.clear()
UndoService.store_operation(self.__book_service,
UndoHandler.UNDO_ADD_BOOK, book_id)
def redo_update_client(client_service, client_id, name):
"""
Handles redo update client operation
"""
a = client_service.get_entities()
old_name = a[client_id].name
client_service.remove_client(client_id)
client_service.add_client(client_id, name)
UndoService.store_operation(client_service, UndoHandler.UNDO_UPDATE_CLIENT,
client_id, old_name)
def ui_add_rental(self):
rental_id = input("Rental id: ")
book_id = input("Book id: ")
client_id = input("Client id: ")
rented_date = input("Rented date in dd/mm/yyyy format: ")
self.__rental_service.add_rental(rental_id, book_id, client_id,
rented_date)
RedoService.clear()
UndoService.store_operation(self.__rental_service,
UndoHandler.UNDO_ADD_RENTAL, rental_id)
def redo_update_book(book_service, book_id, title, author):
"""
Handles redo update book operation
"""
a = book_service.get_entities()
old_title = a[book_id].title
old_author = a[book_id].author
book_service.remove_book(book_id)
book_service.add_book(book_id, title, author)
UndoService.store_operation(book_service, UndoHandler.UNDO_UPDATE_BOOK,
book_id, old_title, old_author)
def ui_remove_client(self):
client_id = input('Client id: ')
try:
a = self.__client_service.get_entities()
name = a[client_id].name
self.__client_service.remove_client(client_id)
RedoService.clear()
UndoService.store_operation(self.__client_service,
UndoHandler.UNDO_REMOVE_CLIENT,
client_id, name)
except KeyError:
print("There is no client with this id")
def ui_remove_book(self):
book_id = input('Book id: ')
try:
a = self.__book_service.get_entities()
title = a[book_id].title
author = a[book_id].author
self.__book_service.remove_book(book_id)
RedoService.clear()
UndoService.store_operation(self.__book_service,
UndoHandler.UNDO_REMOVE_BOOK, book_id,
title, author)
except KeyError:
print("There is no book with this id")
def ui_update_client(self):
client_id = input("client id: ")
name = input("New Name: ")
try:
a = self.__client_service.get_entities()
old_name = a[client_id].name
self.__client_service.remove_client(client_id)
self.__client_service.add_client(client_id, name)
RedoService.clear()
UndoService.store_operation(self.__client_service,
UndoHandler.UNDO_UPDATE_CLIENT,
client_id, old_name)
except KeyError:
print("There is no such id")
def ui_update_book(self):
book_id = input("Book id: ")
title = input("New Title: ")
author = input("New Author: ")
try:
a = self.__book_service.get_entities()
old_title = a[book_id].title
old_author = a[book_id].author
self.__book_service.remove_book(book_id)
self.__book_service.add_book(book_id, title, author)
RedoService.clear()
UndoService.store_operation(self.__book_service,
UndoHandler.UNDO_UPDATE_BOOK, book_id,
old_title, old_author)
except KeyError:
print("There is no such id")
def setUp(self):
"""
Prepare tests
"""
self.rental_repository = Repository({})
self.validator2 = RentalValidator()
self.book_repository = Repository({})
self.validator = BookValidator()
self.client_repository = Repository({})
self.validatorc = ClientValidator()
self.undo_service = UndoService()
self.redo_service = RedoService()
self.book_service = BookService(self.book_repository, self.validator)
self.client_service = ClientService(self.client_repository, self.validatorc)
self.rental_service = RentalService(self.rental_repository, self.validator2, self.book_repository,
self.client_repository)
def ui_undo(self):
try:
UndoService.do_undo()
print("Undo executed")
except UndoException as ue:
print(ue)
def redo_remove_client(client_service, client_id):
a = client_service.get_entities()
name = a[client_id].name
client_service.remove_client(client_id)
UndoService.store_operation(client_service, UndoHandler.UNDO_REMOVE_CLIENT,
client_id, name)
def redo_add_client(client_service, client_id, name):
client_service.add_client(client_id, name)
UndoService.store_operation(client_service, UndoHandler.UNDO_ADD_CLIENT,
client_id)
def redo_add_book(book_service, book_id, title, author):
book_service.add_book(book_id, title, author)
UndoService.store_operation(book_service, UndoHandler.UNDO_ADD_BOOK,
book_id)
def redo_add_rental(rental_service, rental_id, book_id, client_id, rented_date,
return_date):
rental_service.add_rental(rental_id, book_id, client_id, rented_date,
return_date)
UndoService.store_operation(rental_service, UndoHandler.UNDO_ADD_RENTAL,
rental_id)
class TestUndoService(unittest.TestCase):
def setUp(self):
"""
Prepare tests
"""
self.rental_repository = Repository({})
self.validator2 = RentalValidator()
self.book_repository = Repository({})
self.validator = BookValidator()
self.client_repository = Repository({})
self.validatorc = ClientValidator()
self.undo_service = UndoService()
self.redo_service = RedoService()
self.book_service = BookService(self.book_repository, self.validator)
self.client_service = ClientService(self.client_repository, self.validatorc)
self.rental_service = RentalService(self.rental_repository, self.validator2, self.book_repository,
self.client_repository)
def test_undo_controller(self):
"""
Tests for undo controller
"""
self.assertRaises(UndoException, self.undo_service.do_undo)
self.assertRaises(RedoException, self.redo_service.do_redo)
self.book_service.add_book('12', "the name", 'By me')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_ADD_BOOK, '12')
self.undo_service.do_undo()
self.assertTrue(len(self.book_service.get_entities()) == 0)
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_ADD_BOOK, '12', "the name", "By me")
self.redo_service.do_redo()
self.assertTrue(len(self.book_service.get_entities()) == 1)
self.book_service.add_book('2', "the name", 'By me')
self.book_service.remove_book('2')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_REMOVE_BOOK, '2', "The Mandalorian", "Didu")
self.undo_service.do_undo()
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_UPDATE_BOOK, '2', "The Mandalorian","Didu")
self.undo_service.do_undo()
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_UPDATE_BOOK, '2', "The Mandalorian","Didu")
self.redo_service.do_redo()
self.client_service.add_client("10", "andrei")
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_ADD_CLIENT, '10')
self.undo_service.do_undo()
self.assertTrue(len(self.client_service.get_entities()) == 0)
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_ADD_CLIENT, "10", "andrei")
self.redo_service.do_redo()
self.assertTrue(len(self.client_service.get_entities()) == 1)
self.client_service.remove_client('10')
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_REMOVE_CLIENT, '10', 'andrei')
self.undo_service.do_undo()
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_REMOVE_CLIENT, '10')
self.redo_service.do_redo()
self.client_service.add_client('2', "Didu")
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_UPDATE_CLIENT, '2', "Didu")
self.undo_service.do_undo()
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_UPDATE_CLIENT, '2', 'Didu')
self.redo_service.do_redo()
self.rental_service.add_rental('1', '2', '2', '20/10/2020')
self.undo_service.store_operation(self.rental_service, UndoHandler.UNDO_ADD_RENTAL, '1')
self.undo_service.do_undo()
self.redo_service.store_operation(self.rental_service, RedoHandler.REDO_ADD_RENTAL, '1', '2', '2', '20/10/2020','')
self.redo_service.do_redo()
self.book_service.add_book('20', "book", 'By me')
self.book_service.remove_book('20')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_REMOVE_BOOK, '20', "book", "By me")
self.undo_service.do_undo()
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_REMOVE_BOOK, '20')
self.redo_service.do_redo()
self.redo_service.clear()