public static void ReadAddressBookToFileIO()
{
Console.WriteLine("Your reading AddressBook from A File");
bool isRead = false;
string path = @"C:\Users\NAGENDRA AND JANAKI\source\repos\AddressBookProblem\";
bool exit = false;
while (isRead == false && exit == false)
{
Console.WriteLine("Enter the AddressBook Name");
string addressBookName = Console.ReadLine();
path += addressBookName + ".txt";
Console.WriteLine($"File path :{path}");
if (File.Exists(path))
{
FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryFormatter binaryFormatter = new BinaryFormatter();
AddressBook addressBook = (AddressBook)binaryFormatter.Deserialize(fileStream);
Console.WriteLine("AddressBook contacts can be viewed");
addressBook.ViewAllContacts();
fileStream.Close();
isRead = true;
}
if (isRead == false)
{
Console.WriteLine("Invalid AddressBook Name! Try again!!");
Console.WriteLine("Enter 'yes' or 'y' to exit");
string exitt = Console.ReadLine();
if (exitt.Equals("yes") || exitt.Equals("y"))
{
exit = true;
}
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to Address Book Problem\nChoose one of the option");
bool loop1 = true;
while (loop1)
{
Console.WriteLine("\n1.Add AddressBook \n2.View AddressBooks");
Console.WriteLine("3.Searching Contact by City or State\n4.Add AdrdressBook to the IO File\n5.Read AdrdressBook from the IO File ");
Console.WriteLine("6.Add AdrdressBook to the CSV File\n7.Read AdrdressBook from CSV file\n8.Add AdrdressBook to the Json File\n9.Read AdrdressBook from Json file");
Console.WriteLine("10.Insert Addressbook in Database\n11.Retrieve Contacts by AddressBookName\n0.Exit ");
int choice1 = 0;
try
{
choice1 = Convert.ToInt32(Console.ReadLine());
}
catch
{
Console.WriteLine("Invalid Input!! Try again");
}
AddressBook addressBook = new AddressBook();
string addressBookName = null;
switch (choice1)
{
case 1:
Console.WriteLine("\nAdding a new AddessBook");
Console.WriteLine("Enter name for New AddessBook:");
addressBookName = Console.ReadLine();
bool isKeyAvailable = false;
foreach (KeyValuePair <string, AddressBook> keyValue in addressBookDictionary)
{
if (keyValue.Key.Equals(addressBookName))
{
isKeyAvailable = true;
}
}
if (isKeyAvailable)
{
Console.WriteLine("AddessBook Name is available, try other name\n");
break;
}
bool loop2 = true;
while (loop2)
{
Console.WriteLine("\n1.Add a Contact \n2.View Contact By Name \n3.View All Contacts \n4.Edit Contact By name");
Console.WriteLine("5.Delete Contact By Name \n6.Exit ");
int choice = 0;
try
{
choice = Convert.ToInt32(Console.ReadLine());
}
catch
{
Console.WriteLine("Invalid Input!! Try again");
}
switch (choice)
{
case 1:
Console.WriteLine("\nAdding a new Contact\n");
addressBook.AddContact();
break;
case 2:
addressBook.ViewContact();
break;
case 3:
addressBook.ViewAllContacts();
break;
case 4:
addressBook.EditContact();
break;
case 5:
addressBook.DeleteContact();
break;
default:
loop2 = false;
break;
}
Console.WriteLine("______________________________________________________");
}
addressBookDictionary.Add(addressBookName, addressBook);
addressBooksList.Add(addressBook);
break;
case 2:
Console.WriteLine("Available AddressBooks: ");
foreach (KeyValuePair <String, AddressBook> keyValue in addressBookDictionary)
{
Console.WriteLine("AddressBook Name: " + keyValue.Key);
}
break;
case 3:
Console.WriteLine("Your Searching Contact by City or State");
AddressBookMain.ContactsByCityOrState();
break;
case 4:
Console.WriteLine("Adding AddressBook into IO File");
AddressBookMain.AddAddressBookToFileIO();
break;
case 5:
Console.WriteLine("Read AddressBook from IO File");
AddressBookMain.ReadAddressBookToFileIO();
break;
case 6:
Console.WriteLine("Adding AddressBook into CSV File");
AddressBookMain.AddAddressBookToCsv();
break;
case 7:
Console.WriteLine("Reading AddressBook from CSV File");
AddressBookMain.ReadAddressBookFromCsv();
break;
case 8:
Console.WriteLine("Adding AddressBook into Json File");
AddressBookMain.AddAddressBookToJsonFile();
break;
case 9:
Console.WriteLine("Reading AddressBook from Json File");
AddressBookMain.ReadAddressBookFromJsonFile();
break;
case 10:
Console.WriteLine("Insert Contact to AddressBook Database");
AddressBookMain.insertAddressBooktoDB();
break;
case 11:
Console.WriteLine("Retrieving Contacts by AddressBookName");
AddressBookMain.RetrieveFromDB();
break;
default:
loop1 = false;
break;
}
Console.WriteLine("______________________________________________________");
}
Console.WriteLine("Thanks for Using the Application!!");
}
