Function F_Second_Program

Lab_20/Person.cpp:134–389

}

void F_Second_Program()
{

	Person p; // global object for each cases

	for (int k = 0; k < 1000; k++)
	{
		system("cls");
		cout << " C O N T A C T S\n"
			 << "--------------------------------------\n"
			 << " 1. Search contact by Phone number\n"
			 << " 2. Search contact by Name\n"
			 << " 3. Delete a contact\n"
			 << " 4. Add a record to a specific position\n"
			 << " 0. Back\n"
			 << " Your choice: \n";

		switch (_getch())
		{
		// case 49 for searching the contact by Phone Number
		case 49:
		{
			system("cls");
			cout << " SEARCH CONTACT BY PHONE NUMBER\n-------------------------------\n";

			string search_by_tell_number;
			bool isFound = 0;

			ifstream in_contacts_list("contacts", ios::binary); // getting data from the file
			cout << " List of all Contacts: \n";
			cout << " Name            Phone\n-------------------------------\n";
			while (in_contacts_list.read((char *)&p, sizeof(Person)))
			{
				// displaying the data
				p.displayData();
			}
			position = 1;
			in_contacts_list.close();

			cout << "\n Enter the phone number: ";
			cin >> search_by_tell_number;

			ifstream in_contacts("contacts", ios::binary); // getting data from the file
			// in_contacts.seekg(0, ios::end);

			// cheaking the list for the specific data
			cout << " Found Contact(s): \n";
			while (in_contacts.read((char *)&p, sizeof(Person)))
			{
				if (search_by_tell_number == p.getTellNumber())
				{
					isFound = 1;
					p.displayData();
				}
			}
			position = 1;
			in_contacts.close(); // closing the file