def give_options(self):
"""
Prompt the user with the choices.
"""
options = [
self.catalogue.display_available_items, self.catalogue.search,
self.check_out, self.return_item, self.catalogue.add_item,
self.catalogue.remove_item
]
try:
answer = input("-------------------------------\n"
"(1) Display available items \n"
"(2) Find an item by title\n"
"(3) Check out an item\n"
"(4) Return an item\n"
"(5) Add an item\n"
"(6) Remove an item\n"
"Please select: \n")
InputHandler.validate(len(options), answer)
answer = int(answer) - 1
except ValueError:
print("\n[Error] Please type an integer!")
except CommandNotFoundException as e:
print(f"{e}")
else:
if answer == 1:
title = input("Enter the item title: ")
options[answer](title)
elif answer in [2, 3, 5]:
call_number = input("Enter the call number of the item: ")
options[answer](call_number)
else:
options[answer]()
def add_item(self):
"""
Adds a new item to the catalogue if not exists yet.
"""
passed = False
while not passed:
try:
print("Which item type would you like to add?")
print("1. Book\n2. DVD\n3. Journal")
answer = input("Enter your choice (1-3)")
InputHandler.validate(len(self.item_factory_map), answer)
item_factory = self.item_factory_map.get(int(answer))
item = item_factory().create_item()
except ValueError:
print("\n[Error] Please type an integer!")
except CommandNotFoundException as e:
print(f"{e}")
else:
passed = True
if not self.item_exists(item.call_number):
self.item_list[item.call_number] = item
print(f"Item({item.call_number}) bas been added.")
else:
print("This call number already exists.")