Hospital Management System

#include <iostream>
#include <string>
#include <vector>
#include <fstream>

using namespace std;

class User {
protected:
string name;
string address;
long int cnic;

public:
User(const string& name, const string& address, long int cnic)
: name(name), address(address), cnic(cnic) {}

virtual void displayInfo() const = 0;

virtual void saveToFile(ofstream& outFile) const = 0;
};

class Staff : public User {

protected:
string designation;

public:
Staff(const string& name, const string& address, long int cnic, const string& designation)
: User(name, address, cnic), designation(designation) {}

void displayInfo() const override {

cout << "\tName: " << name << endl;
cout << "\tCNIC: " << cnic << endl;
cout << "\tAddress: " << address << endl;
cout << "\tDesignation: " << designation << endl;
}

void saveToFile(ofstream& outFile) const override {

outFile << "Staff" << endl;
outFile << name << endl;
 outFile << address << endl;
outFile << cnic << endl;
outFile << designation << endl;
}
};

class AdministrativeStaff : public Staff {

public:
AdministrativeStaff(const string& name, const string& address, long int cnic, const string&
designation)
: Staff(name, address, cnic, designation) {}

void saveToFile(ofstream& outFile) const override {

outFile << "AdministrativeStaff" << endl;
Staff::saveToFile(outFile);
}
};

class Nurse : public Staff {

public:
Nurse(const string& name, const string& address, long int cnic, const string& designation)
: Staff(name, address, cnic, designation) {}

void saveToFile(ofstream& outFile) const override {

outFile << "Nurse" << endl;
Staff::saveToFile(outFile);
}
};

class Technician : public Staff {

public:
Technician(const string& name, const string& address, long int cnic, const string& designation)
: Staff(name, address, cnic, designation) {}

void saveToFile(ofstream& outFile) const override {

outFile << "Technician" << endl;
Staff::saveToFile(outFile);
}
};

class Patient : public User {

protected:
string doctorName;

public:
Patient(const string& name, const string& address, long int cnic, const string& doctorName)
: User(name, address, cnic), doctorName(doctorName) {}
 void displayInfo() const override {
cout << "\tName: " << name << endl;
cout << "\tCNIC: " << cnic << endl;
cout << "\tAddress: " << address << endl;
cout << "\tDoctor: " << doctorName << endl;
}

void saveToFile(ofstream& outFile) const override {

outFile << "Patient" << endl;
outFile << name << endl;
outFile << address << endl;
outFile << cnic << endl;
outFile << doctorName << endl;
}
};

class Doctor : public User {

protected:
string specialization;

public:
Doctor(const string& name, const string& address, long int cnic, const string& specialization)
: User(name, address, cnic), specialization(specialization) {}

void displayInfo() const override {

cout << "\tName: " << name << endl;
cout << "\tCNIC: " << cnic << endl;
cout << "\tAddress: " << address << endl;
cout << "\tSpecialization: " << specialization << endl;
}

void saveToFile(ofstream& outFile) const override {

outFile << "Doctor" << endl;
outFile << name << endl;
outFile << address << endl;
outFile << cnic << endl;
outFile << specialization << endl;
}
};

class Hospital {
private:
vector<User*> users;
vector<string> appointments;
vector<string> feedbacks;

public:
void addUser(User* user) {
 users.push_back(user);
}

void displayUserInformation() {
for (User* user : users) {
user->displayInfo();
cout << "------------------------\n";
}
}

void makeAppointment(const string& patientName, const string& doctorName) {

string appointment = "Appointment for " + patientName + " with " + doctorName;
appointments.push_back(appointment);
cout << "Appointment made for " << patientName << " with " + doctorName << endl;
}

void giveFeedback(const string& patientName, const string& feedback) {

string patientFeedback = "Feedback from " + patientName + ": " + feedback;
feedbacks.push_back(patientFeedback);
cout << "Feedback received from " << patientName << ": " + feedback << endl;
}

void checkAppointments() {
cout << "\n======= Appointments =======\n";
for (const string& appointment : appointments) {
cout << appointment << endl;
}
cout << "------------------------\n";
}

void checkFeedbacks() {
cout << "\n======= Feedbacks =======\n";
for (const string& feedback : feedbacks) {
cout << feedback << endl;
}
cout << "------------------------\n";
}

void saveData() {
ofstream userFile("users.txt");
for (User* user : users) {
user->saveToFile(userFile);
}
userFile.close();

ofstream appointmentFile("appointments.txt");
for (const string& appointment : appointments) {
appointmentFile << appointment << endl;
 }
appointmentFile.close();

ofstream feedbackFile("feedbacks.txt");
for (const string& feedback : feedbacks) {
feedbackFile << feedback << endl;
}
feedbackFile.close();
}

void loadData() {
ifstream userFile("users.txt");
if (userFile.is_open()) {
string userType;
while (getline(userFile, userType)) {
string name, address, doctorName, specialization, designation;
long int cnic;
getline(userFile, name);
getline(userFile, address);
userFile >> cnic;
userFile.ignore();

if (userType == "Doctor") {
getline(userFile, specialization);
users.push_back(new Doctor(name, address, cnic, specialization));
}
else if (userType == "Patient") {
getline(userFile, doctorName);
users.push_back(new Patient(name, address, cnic, doctorName));
}
else if (userType == "Staff") {
getline(userFile, designation);
users.push_back(new Staff(name, address, cnic, designation));
}
else if (userType == "AdministrativeStaff") {
getline(userFile, designation);
users.push_back(new AdministrativeStaff(name, address, cnic, designation));
}
else if (userType == "Nurse") {
getline(userFile, designation);
users.push_back(new Nurse(name, address, cnic, designation));
}
else if (userType == "Technician") {
getline(userFile, designation);
users.push_back(new Technician(name, address, cnic, designation));
}
}
userFile.close();
 }

ifstream appointmentFile("appointments.txt");
if (appointmentFile.is_open()) {
string appointment;
while (getline(appointmentFile, appointment)) {
appointments.push_back(appointment);
}
appointmentFile.close();
}

ifstream feedbackFile("feedbacks.txt");
if (feedbackFile.is_open()) {
string feedback;
while (getline(feedbackFile, feedback)) {
feedbacks.push_back(feedback);
}
feedbackFile.close();
}
}

~Hospital() {
for (User* user : users) {
delete user;
}
}
};

void mainMenu(Hospital& hospital) {

int choice;
string dummy; // Dummy string to clear input buffer

do {
cout << "\n\n\t\t\t\t\t 1.OOP PRJECT BY ABDULLAH FAROOQ \t(ID:f2023266160)\t\t\n";
cout << "\t\t\t\t\t 2.OOP PRJECT BY AHMAD FARAZ \t(ID:f2023266185)\t\t\n";
cout << "\t\t\t\t\t ======================================================\n";
cout << "\n\t\t\t\t :-+WELCOME TO THE JINNAH HOSPITAL+-:\n";
cout << "\n\n\n\t\t======= MAIN MENU =======\n\n\n";
cout << "\t1. Check Doctor's Availability\n";
cout << "\t2. Show Staff Information\n";
cout << "\t3. Add Staff Information\n";
cout << "\t4. Make an Appointment\n";
cout << "\t5. Give Feedback\n";
cout << "\t6. Check Appointments\n";
cout << "\t7. Check Feedbacks\n";
cout << "\t8. Exit\n\n";
cout << "\tEnter your choice between (1 to 8): \n\n";
cin >> choice;
getline(cin, dummy); // Clear input buffer

if (choice == 1 || choice == 2) {
hospital.displayUserInformation();
}
else if (choice == 3) {
cout << "Adding Staff Information\n";
string name, address, designation;
long int cnic;

cout << "Enter Name: ";

getline(cin, name);
cout << "Enter Address: ";
getline(cin, address);
cout << "Enter CNIC: ";
cin >> cnic;
getline(cin, dummy); // Clear input buffer
cout << "Enter Designation: ";
getline(cin, designation);

Staff* staff = new Staff(name, address, cnic, designation);

hospital.addUser(staff);
}
else if (choice == 4) {
cout << "Make an Appointment\n";
string patientName, doctorName;

cout << "Enter Patient Name: ";

getline(cin, patientName);
cout << "Enter Doctor Name: ";
getline(cin, doctorName);

hospital.makeAppointment(patientName, doctorName);
}
else if (choice == 5) {
cout << "Give Feedback\n";
string patientName, feedback;

cout << "Enter Patient Name: ";

getline(cin, patientName);
cout << "Enter Feedback: ";
getline(cin, feedback);

hospital.giveFeedback(patientName, feedback);
}
else if (choice == 6) {
hospital.checkAppointments();
}
 else if (choice == 7) {
hospital.checkFeedbacks();
}
else if (choice == 8) {
hospital.saveData();
cout << "Exiting...\n";
}
else {
cout << "Invalid choice. Please try again.\n";
}
} while (choice != 8);
}

int main() {
Hospital hospital;

hospital.loadData();

Doctor doctor1("Dr. Iftikhar Ahmad", "Address1", 1234567890, "Heart Specialist");

Doctor doctor2("Dr. Mazhar Iqbal", "Address2", 9876543210, "Child Specialist");
Doctor doctor3("Dr. Haroon Rasheed", "Address3", 1357924680, "Stomach Specialist");

hospital.addUser(&doctor1);
hospital.addUser(&doctor2);
hospital.addUser(&doctor3);

mainMenu(hospital);

return 0;
}

Outputs