コード例 #1
0
        /// <inheritdoc />
        public AddressBookEntry RemoveAddress(string label)
        {
            AddressBookEntry item = this.addressBook.Addresses.SingleOrDefault(i => i.Label == label);

            if (item == null)
            {
                return(null);
            }

            this.addressBook.Addresses.Remove(item);
            this.fileStorage.SaveToFile(this.addressBook, AddressBookFileName);
            return(item);
        }
コード例 #2
0
        /// <inheritdoc />
        public AddressBookEntry AddNewAddress(string label, string address)
        {
            if (this.addressBook.Addresses.Any(i => i.Label == label || i.Address == address))
            {
                throw new AddressBookException($"An entry with label '{label}' or address '{address}' already exist in the address book.");
            }

            AddressBookEntry newEntry = new AddressBookEntry {
                Label = label, Address = address
            };

            this.addressBook.Addresses.Add(newEntry);
            this.fileStorage.SaveToFile(this.addressBook, AddressBookFileName);
            return(newEntry);
        }