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
