def display_collection(self, id):
collection = Collection.get_by_id(self.db, id);
if collection == None:
raise Exception("No collection with id {}!".format(id))
Collection.print_table_header()
collection.print_for_table()
items = Item.get_by_collection(self.db, collection.id)
print("ITEMS")
Item.print_table_header()
for item in items:
item.print_for_table()
def list_collections(self):
collections = Collection.get_all(self.db)
print("COLLECTIONS")
Collection.print_table_header()
for collection in collections:
collection.print_for_table()
