cpp-programming/OOP2_Lab10/Person.cpp at main · john470fc/cpp-programming · GitHub

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// Both programs are written here

// A menu driven program which allows to use all programs at the same time

// Done be Rustam Zokirov (U1910049)

// Last change done in April 20, 2020

#include <iostream>

#include <string>

#include <conio.h> // for getch()

#include <fstream> // library which allows to work with files

#include <iomanip> // for setw() - allignment

using namespace std;

// Functions Declarations

void F_First_Program();

void F_Second_Program();

int main();

int position = 1; // global variable for numbering the list of contacts

class Person

{

protected:

string name;

string tell_number;

public:

void setData(string name, string tell_number)

{

this->name = name;

this->tell_number = tell_number;

}

string getName()

{

return name;

}

string getTellNumber()

{

return tell_number;

}

void displayData()

{

cout << " " << position << ". " << left << setw(10) << name << "\t " << tell_number << endl;

position++;

}

};

void F_First_Program()

{

Person p; // creating an object of a class Person

for (int k = 0; k < 1000; k++)

{

system("cls");

cout << " C O N T A C T S\n"

<< "------------------\n"

<< " 1. Add a contact\n"

<< " 2. Contacts\n"

<< " 0. Back\n"

<< " Your choice: \n";

string name, tell_number; // contact info which will be inputted by user

switch (_getch())

{

// case 49 is for adding a new contact into a list

case 49:

{

system("cls");

ofstream out_contacts("contacts", ios::binary | ios::app); // creating a file | binary file | append mode

cout << " ADD TO CONTACT \n-----------------------------\n Enter a contact information.\n\n";

cout << " Enter the name: ";

cin >> name;

cout << " Enter the phone number: ";

cin >> tell_number;

p.setData(name, tell_number); // setting inputted data

// storing the data in file

out_contacts.write((char *)&p, sizeof(Person));

out_contacts.close(); // closing the file

cout << "\n Successfully added!\n\n";

system("pause");

}

break;

// case 50 lists all Contacts

case 50:

{

system("cls");

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

cout << " ALL CONTACTS\n---------------------------\n";

cout << " Name Phone\n---------------------------\n";

while (in_contacts.read((char *)&p, sizeof(Person)))

{

// displaying the data

p.displayData();

}

position = 1;

in_contacts.close(); // closing the file

cout << endl;

system("pause");

}

break;

// to back to main menu

case 48:

{

main();

}

break;

default:

{

cout << " Your choice is not available in Menu.\n Please try one more time\n\n";

system("pause");

}

break;

} // switch

} // for loop

}

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

cout << endl;

system("pause");

}

break;

// case 50 for searching the contact by Name

case 50:

{

system("cls");

cout << " SEARCH CONTACT BY NAME\n-----------------------------\n";

string search_by_name; // for searching the contact with his name

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 Name: ";

cin >> search_by_name;

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_name == p.getName())

{

isFound = 1;

p.displayData();

}

position = 1;

in_contacts.close(); // closing the file

cout << endl;

system("pause");

}

break;

// case 51 for deleting a contact

case 51:

{

system("cls");

cout << " DELETE A CONTACT\n---------------------\n";

string tell_number_for_deletion;

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 << endl;

ofstream out_temp("temp", ios::binary);

ifstream in_contacts("contacts", ios::binary);

cout << " Enter phone number of contact to be deleted: ";

cin >> tell_number_for_deletion;

while (in_contacts.read((char *)&p, sizeof(Person)))

{

if (p.getTellNumber() != tell_number_for_deletion)

{

out_temp.write((char *)&p, sizeof(Person));

}

else if (p.getTellNumber() == tell_number_for_deletion)

{

cout << "\n Successfully deleted\n";

}

out_temp.close();

in_contacts.close();

remove("contacts");

rename("temp", "contacts");

ifstream in_contacts_list2("contacts", ios::binary); // getting data from the file

cout << "\n List of all Contacts: \n";

cout << " Name Phone\n---------------------\n";

while (in_contacts_list2.read((char *)&p, sizeof(Person)))

{

// displaying the data

p.displayData();

}

position = 1;

in_contacts_list2.close();

cout << endl;

system("pause");

}

break;

// case 52 for adding a contact to a specific position

case 52:

{

system("cls");

cout << " ADD A RECORD TO A SPECIFIC POSITION\n-------------------------------------\n";

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 << endl;

// position which should be searched

int position_of_insertion;

cout << " Enter the position: ";

cin >> position_of_insertion;

position_of_insertion--;

// Adding a new contact

string name, tell_number;

cout << " Enter a contact information.\n";

cout << " Enter the name: ";

cin >> name;

cout << " Enter the phone number: ";

cin >> tell_number;

ofstream out_temp("temp", ios::binary);

ifstream in_contacts("contacts", ios::binary);

while (in_contacts.read((char *)&p, sizeof(Person)))

{

if (position_of_insertion != position)

{

out_temp.write((char *)&p, sizeof(Person));

}

else

{

out_temp.write((char *)&p, sizeof(Person));

p.setData(name, tell_number);

out_temp.write((char *)&p, sizeof(Person));

}

position++;

}

position = 1;

out_temp.close();

in_contacts.close();

remove("contacts");

rename("temp", "contacts");

ifstream in_contacts_list2("contacts", ios::binary); // getting data from the file

cout << "\n List of all Contacts: \n";

cout << " Name Phone\n-------------------------------------\n";

while (in_contacts_list2.read((char *)&p, sizeof(Person)))

{

// displaying the data

p.displayData();

}

position = 1;

in_contacts_list2.close();

cout << endl;

system("pause");

}

break;

// Going back to Main Menu

case 48:

{

main();

}

break;

// default case

default:

{

cout << " Your choice is not available in Menu.\n Please try one more time\n\n";

system("pause");

}

break;

} // switch

} // for loop

}

int main()

{

for (int k = 0; k < 1000; k++)

{

system("cls");

cout << " M A I N M E N U\n"

<< "-------------------\n"

<< " 1. First Program\n"

<< " 2. Second Program\n"

<< " Your choice: \n";

switch (_getch())

{

// First Program

case 49:

system("cls");

F_First_Program();

system("pause");

break;

// Second Program

case 50:

system("cls");

F_Second_Program();

system("pause");

break;

default:

cout << " Your choice is not available in Menu.\n Please try one more time\n\n";

system("pause");

break;

} // switch

} // for loop

system("pause");

return 0;

}

cpp-programming/OOP2_Lab10/Person.cpp at main · john470fc/cpp-programming · GitHub

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