Answer to Question #293752 in C++ for vikkkii

Question

mini project of C++ Doctor Appointment System using (fuctions, arrays,structure)

Doctor's appointment - simulates the appointment system of any hospital.

Admin:

Add a Doctor Information

Delete or Modify a Doctor Information

Confirm an appointment

Calculate Charges

User:

Book an appointment

Search a Doctor by their name or specialization

Get invoices

Answer 1

#include <iostream>
#include <string>
#include <fstream>
#include <cstring>

using namespace std;

int bookAppointment()
{
    system("cls");
    
    cout<<"\n ----- Book Your Appointment ---- \n";
    cout<<"\n ----- Availbale slots ---- \n";

    //check if record already exist..
    ifstream read;
    read.open("appointment.dat");
    
    int hoursbook = 8;
    
    int arr[13] = {0,0,0,0,0,0,0,0,0,0,0,0,0};
    int recordFound =0;
     
    if(read)
    {
    string line;
    char key = 'A';
    int i = 9;
           
    while(getline(read, line)) {
    char temp = line[0];
    int index = (temp - 65);
    arr[index]=1;
    recordFound = 1;
    }
    if(recordFound == 1)
    {
    cout<<"\n Appointment Summary by hours:";
    char key = 'A';
    int hours = 9;
    for(int i = 0; i<=12; i++)
    {
    if(i == 0){
    if(arr[i] == 0)
    cout<<"\n "<<key<<"-> 0"<<hours<<" - Available";
    else
    cout<<"\n "<<key<<"-> 0"<<hours<<" - Booked";
    }
    
    else
    {
    if(arr[i] == 0)
    cout<<"\n "<<key<<"->"<<hours<<" - Available";
    else
    cout<<"\n "<<key<<"->"<<hours<<" - Booked";
    }
    hours++; key++;
    }
            
    }
        
    read.close();
    }
    if(recordFound == 0){
    cout<<"\n Appointment Available for following hours :";
    char key = 'A';
    for(int i = 9; i<=21; i++)
    {
        if(i==9)
        cout<<"\n "<<key<<" -> 0"<<i<<" - Available";
        else
        cout<<"\n "<<key<<" -> "<<i<<" - Available";
        key++;
    }
        
    }
   
   char choice;
   cout<<"\n\n Input your choice : ";
   cin>>choice;
   
   if( !(choice >= 'A' && choice <='Z'))
   {
    cout<<"\n Error : Invalid Selection";
    cout<<"\n Please selction correct value from menu A- Z";
    cout<<"\n Press any key to continue";
    getchar();getchar();
    system("cls");
    bookAppointment();
   }
   
   int index = (choice-65 );
   int isBooked = 1;
   if(arr[index] == 0)
      isBooked = 0;
      
   if(isBooked ==1)
   {
       cout<<"\n Error : Appointment is already booked for this Hour";
       cout<<"\n Please select different time !!";
       cout<<"\n Press any key to continue!!";
       getchar();getchar();
       system("cls");
       bookAppointment();
   }
   
   string name;
   cout<<"\n Enter your first name:";
   cin>>name;
   
   ofstream out;
   out.open("appointment.dat", ios::app);
    
   if(out){
       out<<choice<<":"<<name.c_str()<<"\n";
       out.close();
       cout<<"\n Appointment booked for Hours : "<< (choice-65) + 9 <<" successfully !!";
    }
    else
    {
        cout<<"\n Error while saving booking";
    }

    cout<<"\n Please any key to continue..";
    getchar(); getchar();
    return 0;
}

int existingAppointment()
{
    system("cls");
    cout<<"\n ----- Appointments Summary ---- \n";
    //check if record already exist..
    ifstream read;
    read.open("appointment.dat");
    
    int hoursbook = 8;
    
    int arr[13] = {0,0,0,0,0,0,0,0,0,0,0,0,0};
     int recordFound =0;
     
    if(read)
    {
    string line;
    char key = 'A';
    int i = 9;
           
       while(getline(read, line)) {
              char temp = line[0];
              int index = (temp - 65);
              arr[index]=1;
           recordFound = 1;
      }
        if(recordFound == 1)
        {
        cout<<"\n Appointment Summary by hours:";
        char key = 'A';
        int hours = 9;
        for(int i = 0; i<=12; i++)
        {
            if(arr[i] == 0)
            cout<<"\n "<<key<<"->"<<hours<<" - Available";
            else
            cout<<"\n "<<key<<"->"<<hours<<" - Booked";
            hours++; key++;
        }
            
    }
        
    read.close();
    }
    else
    {
    char key = 'A';
    for(int i = 9; i<=21; i++)
    {
    if(i==9)
    cout<<"\n "<<key<<" -> 0"<<i<<" - Available";
    else
    cout<<"\n "<<key<<" -> "<<i<<" - Available";
    key++;
    }
    }
    
    cout<<"\n Please any key to continue..";
    getchar(); getchar();
    return 0;
}
int main(int argc, char** argv) {
    while(1)
    {
        system("cls");
        cout<<"\t\t\tDoctor Appointment System\n";
        cout<<"----------------------------------------\n\n";
        
        cout<<"1. Book Appointment\n";
        cout<<"2. Check Existing Appointment\n";
        cout<<"0. Exit\n";
        int choice;
        
        cout<<"\n Enter you choice: ";
        cin>>choice;
        
        switch(choice)
        {
            case 1: bookAppointment(); break;
            case 2: existingAppointment(); break;
            case 0:
                while(1)
                {
                 system("cls");
                    cout<<"\n Are you sure, you want to exit? y | n \n";
                    char ex;
                    cin>>ex;
                    if(ex == 'y' || ex == 'Y')
                        exit(0);
                    else if(ex == 'n' || ex == 'N')
                             {
                              break;
                            }
                     else{
                         cout<<"\n Invalid choice !!!";
                         getchar();
                     }
                  }    break;
                      
            default: cout<<"\n Invalid choice. Enter again ";
                     getchar();
                     
        }

    }
    return 0;
}