def updateABook(commandInPieces):
# updates a book from the repository
# input - details about the book that must be updated(id) and the values that must be edited
repoCaller = Repo()
listOfBooks = repoCaller.getListOfBooks()
idToUpdate = commandInPieces[1]
newBookId = commandInPieces[2]
newTitle = commandInPieces[3]
newAuthor = commandInPieces[4]
updatedBook = Book(newBookId, newTitle, newAuthor)
position = 0
try:
validateABook(updatedBook)
for iterator in listOfBooks:
if Book.getBookId(iterator) == idToUpdate:
if commandInPieces[0] != "undo":
undoFunction = Undo("updateB", [
"undo", newBookId,
Book.getBookId(iterator),
Book.getBookName(iterator),
Book.getBookAuthor(iterator), "undo", idToUpdate,
newBookId, newTitle, newAuthor
])
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
repoCaller.removeBookFromPosition(position)
repoCaller.insertBookIntoPosition(position, updatedBook)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
break
position += 1
except BookAlreadyExistsError:
print(BookAlreadyExistsError())
return False
def updateAClient(commandInPieces):
# updates a client that is already in the repository
# input - details about the client to be updated (id) and the values that must be edited
repoCaller = Repo()
listOfClients = repoCaller.getListOfClients()
idToUpdate = commandInPieces[1]
newId = commandInPieces[2]
newName = commandInPieces[3]
updatedClient = Client(newId, newName)
position = 0
try:
validateAClient(updatedClient)
for iterator in listOfClients:
if Client.getClientId(iterator) == idToUpdate:
if commandInPieces[0] != "undo":
undoFunction = Undo("updateC", [
"undo", newId,
Client.getClientId(iterator),
Client.getClientName(iterator), "undo",
Client.getClientId(iterator), newId, newName
])
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
repoCaller.removeClientFromPosition(position)
repoCaller.insertClientIntoPosition(position, updatedClient)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
break
position += 1
except ClientAlreadyExistsError:
print(ClientAlreadyExistsError())
return False
def removeAClient(commandInPieces):
# removes a client from the repository
# input - details about the client (id)
repoCaller = Repo()
idToRemove = commandInPieces[1]
position = 0
removed = False
for iterator in Repo.listOfClients:
if Client.getClientId(iterator) == idToRemove:
if commandInPieces[0] != "undo":
undoFunction = Undo("addC", [
"undo",
Client.getClientId(iterator),
Client.getClientName(iterator)
])
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
repoCaller.removeClientFromPosition(position)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
removed = True
position += 1
if removed == False:
print(IdOfClientDoesntExist())
return False
def removeABook(commandInPieces):
# removes a book from the repository
# input - details about the book to be removed (id)
repoCaller = Repo()
listOfBooks = repoCaller.getListOfBooks()
idToRemove = commandInPieces[1]
position = 0
removed = False
for iterator in listOfBooks:
if Book.getBookId(iterator) == idToRemove:
if commandInPieces[0] != "undo":
undoFunction = Undo("addB", [
"undo",
Book.getBookId(iterator),
Book.getBookName(iterator),
Book.getBookAuthor(iterator)
])
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
repoCaller.removeBookFromPosition(position)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
removed = True
position += 1
if removed == False:
print(IdOfBookDoesntExist())
return False
def addAClient(commandInPieces):
# adds a client to the repository
# input - details about the client as a list
repoCaller = Repo()
clientId = commandInPieces[1]
clientName = commandInPieces[2]
undoFunction = Undo("removeC", ["undo", clientId, clientName])
if commandInPieces[0] != "undo":
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
newClient = Client(clientId, clientName)
try:
validateAClient(newClient)
repoCaller.addTheClientToTheRepo(newClient)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
except ClientAlreadyExistsError:
print(str(ClientAlreadyExistsError()))
return False
def addABook(commandInPieces):
# adds a book to the repository
# input - details about the book as a list
bookId = commandInPieces[1]
repoCaller = Repo()
bookTitle = commandInPieces[2]
bookAuthor = commandInPieces[3]
newBook = Book(bookId, bookTitle, bookAuthor)
undoFunction = Undo("removeB", ["undo", bookId, bookTitle, bookAuthor])
if commandInPieces[0] != "undo":
repoCaller.addToListOfOperations(undoFunction)
repoCaller.setRedoFalse()
try:
validateABook(newBook)
repoCaller.addTheBookToTheRepo(newBook)
repoCaller.loadIntoFiles()
repoCaller.loadIntoPickle()
except BookAlreadyExistsError:
print(str(BookAlreadyExistsError()))
return False
