Page 2 - Hotel Management Program

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef __GNUC__
// redefine all the conio rubbish
#define clrscr()
#define cprintf printf
#define getch getchar
char *strupr ( char *s ) {
  //!! strupr() is a non-standard function, so I settled for
  //!! just typing in the name correctly
  return s;
}
#else
#include <conio.h>
#endif

struct person {
  int pay;
  char name[21];
  int flag;
};

void accounts()
{
  int ttt=0;
  struct person payment;
  char aname[21], oname[21];
  char *namea;
  int chec=1, ver=0;
  long int recsize;

  recsize=sizeof(payment);

  FILE *f=fopen("HOTEL.DAT", "rb+");
  if(f == NULL){
    clrscr();
    cprintf("File could not be opened!\n");
    sleep(4);
    exit(0);
  }

  clrscr();
  cprintf("\n                   *** Pearl Guest House - Payments ***\n\n");
  cprintf("\r\r\rEnter the Name :");

  scanf("%[^\n]s", aname);
  namea=strupr(aname);
  strcpy(oname, namea);

  while(fread(&payment, recsize, 1, f) == 1){
    if((payment.flag == 1) && (strcmp(payment.name,oname) == 0)){
      payment.pay=1;
      printf("\n\n Payment Received\n");
      getch();
      ver=1;
      fseek(f, -recsize, SEEK_CUR);
      fwrite(&payment, sizeof(payment), 1, f);
      fflush(f);
      break;
    } else {
      printf("DEBUG1: Flag=%d, name=%s\n", payment.flag, payment.name);
    }
  }

  if(ver!=1){
    printf("\n\n Record not Found!!!\n");
    getch();
  }
  rewind(f);

  while(fread(&payment, recsize, 1, f) == 1){
    if(payment.pay==0){
      printf("DEBUG2: %s already paid\n", payment.name);
      chec=0;
      break;
    } else {
      printf("DEBUG2: still to pay=%d, name=%s\n", payment.pay, payment.name);
    }
  }
  rewind(f);
  
  if(chec==1){
      while(fread(&payment, recsize, 1, f) == 1){
        payment.pay=0;
        printf("DEBUG3: %s has paid\n", payment.name);
        fseek(f, -recsize, SEEK_CUR);
        fwrite(&payment, recsize, 1, f);
        ttt++;
        printf("%d\n", ttt);
        fflush(f); //new one
      }
      printf("\n\n All payments recieved...\n\nSo, the payments flags are set to 0\n");
      getch();
  } else {
    printf("DEBUG4: chec is ZERO\n");
  }
  fclose(f);
}

int main ( ) {
  struct person data[4] = {
    { 0, "Fred",    0 },
    { 0, "Barney",  1 },  // Only Barney has yet to pay
    { 0, "Wilma",   0 },
    { 0, "Betty",   0 },
  };
  FILE *fp = fopen("HOTEL.DAT","wb");
  fwrite(data,sizeof(data),1,fp);
  fclose(fp);
  accounts();
  return 0;
}

$ ./a.out 

                   *** Pearl Guest House - Payments ***

Enter the Name :Goofy
DEBUG1: Flag=0, name=Fred
DEBUG1: Flag=1, name=Barney
DEBUG1: Flag=0, name=Wilma
DEBUG1: Flag=0, name=Betty


 Record not Found!!!
DEBUG2: Fred already paid
DEBUG4: chec is ZERO
$ ./a.out 

                   *** Pearl Guest House - Payments ***

Enter the Name :Wilma
DEBUG1: Flag=0, name=Fred
DEBUG1: Flag=1, name=Barney
DEBUG1: Flag=0, name=Wilma
DEBUG1: Flag=0, name=Betty


 Record not Found!!!
DEBUG2: Fred already paid
DEBUG4: chec is ZERO
$ ./a.out 

                   *** Pearl Guest House - Payments ***

Enter the Name :Barney
DEBUG1: Flag=0, name=Fred


 Payment Received
DEBUG2: Fred already paid
DEBUG4: chec is ZERO

FILE *f=fopen("HOTEL.DAT", "rb+");
//Sir, the above line is in the accounts function  

struct person {
  int pay;
  char name[21];
  int flag;
};

#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<string.h>
#include<dos.h>

FILE * f;
struct person{
    char name[21];
	int pay;
};

void main(){		//main function begins

//declaring all the functions
void accounts();             //add comments
void list();
void delrec();
void addrec();
void exit1();


char code1[11]="amitsirrox";   //password
char code[11];
int pos=0, cod, i;


textcolor(RED);
textbackground(BLACK);
clrscr();



for(cod=0; cod<=2;cod++){		//check loop begins
    clrscr();
	gotoxy(24,22);
	cprintf("WELCOME TO PEARL GUEST HOUSE");
	gotoxy(24,24);
    gotoxy(24, 23);
	fflush(stdin);
	cprintf("\n\n    Password :");
    while(1){
	    char p=getch();
		printf("*");
		code[pos]=p;
		pos++;
		//When Enter is pressed....
		if(p=='\r'){  
			pos=pos-1;
			code[pos]='\0';
			pos=0;
			break;
		}
		
    }

    if(strcmp(code,code1)==0)
		break;
     
	else if (!(strcmp(code,code1)==0)){
		clrscr();
		gotoxy(26,22);
		printf("WRONG CODE\a");
		gotoxy(26, 23);
		if(cod==0)
			printf("2 Tries Left");
		else if(cod==1)
			printf("1 Try Left");
		else if(cod==2){
			printf("No Tries Left");
			sleep(3);
			exit(0);
		}
		sleep(3);
		continue;
	}
}

	textcolor(WHITE);
	textbackground(BLUE);
	clrscr();
	while(1){
	clrscr();

//	textcolor(5);
	printf("\n\t\t\t  PEARL GUEST HOUSE SOFTWARE");
//	textcolor(3);
	printf("\n\n\n\n\t1. Accounts\n");
	printf("\n\t2. Add Records\n");
	printf("\n\t3. List Record\n");
	printf("\n\t0. Exit\n");

	printf("\n\n\tEnter your choice (Like - '1' for accounts) :");
	scanf("%d", &i);

	switch(i)
	{
	    case 1:
		accounts();
		break;
	    case 2:
		addrec();
		break;
	    case 3:
		list();
		break;
	    case 0:
		exit1();//fclose in this func.
	}
	}

}


void accounts()
{
	int ttt=0;
	struct person payment;
	char aname[21], oname[21];
	char *namea;
	int chec=1, ver=0;
	long int recsize;
	recsize=sizeof(payment);
	f=fopen("C:\\HOTEL.DAT", "rb+");
	if(f == NULL){
		clrscr();
		cprintf("File could not be opened!");
		sleep(4);
		exit(0);
	}
	clrscr();
	cprintf("\n                   *** Pearl Guest House - Payments ***\n\n");
	cprintf("\r\r\rEnter the Name :");
	fflush(stdin);
	scanf("%[^\n]s", &aname);
	namea=strupr(aname);
	strcpy(oname, namea);
	
	while(fread(&payment, recsize, 1, f) == 1){

		if((strcmp(payment.name,oname) == 0)){
			payment.pay=1;
			printf("\n\n Payment Received");
			fflush(stdin);
			getch();
			ver=1;

			fseek(f, -recsize, SEEK_CUR);
			fwrite(&payment, sizeof(payment), 1, f);
			fflush(f);
			break;
		}
		else{
			printf("DEBUG1(No Match of Name): Name%s\n Payment:%d", payment.name, payment.pay);
		}

	}

	if(ver!=1){
		printf("\n\n Record not Found!!!");
		fflush(stdin);
		getch();
	}
	rewind(f);
	

	while(fread(&payment, recsize, 1, f) == 1){
		if(payment.pay==0){
			printf("DEBUG2A: %s NOT Paid", payment.name);
			chec=0;
			break;
		}
		else{
			printf("DEBUG2B: Paid=%d, Name=%s\n", payment.pay, payment.name);
		}
	}
	rewind(f);
	
	if(chec==1){
		while(fread(&payment, recsize, 1, f) == 1){
			payment.pay=0;
			printf("DEBUG3: %s has paid\n", payment.name);
			fseek(f, -recsize, SEEK_CUR);
			fwrite(&payment, recsize, 1, f);
			ttt++;
			printf("%d", ttt);
			fflush(f); //new one
		}
		printf("\n\n All payments recieved...\n\nSo, the payments flags are set to 0");
		getch();
	}
	else{
		printf("DEBUG4: Chec is ZERO\n");
	}
	fclose(f);
}

void list(){

	struct person l;
	int y = 5;
	int temp=0; //temp variable to be deleted later
	int i;
	
	f=fopen("C:\\HOTEL.DAT", "rb");
	
	if(f == NULL){
		clrscr();
		gotoxy(24,22);
		cprintf("File could not be opened");  //not open message..
		getch();
		exit(0);
	}
	
	clrscr();
	printf("\n How do you wanna list the records");
	printf("\n\n 	1. Records with the rent paid");
	printf("\n\n 	2. Records which didnt give the rent");
	printf("\n\n 	3. All records");
	fflush(stdin);
	scanf("%d", &i);
	switch(i){
		case 1:
			clrscr();
			textcolor(15);
			cprintf("\n        NAME        PHONE NO.        ROOM NO.\n\n");
			textcolor(GREEN);
		    while(fread(&l, sizeof(l), 1, f) != 0){
				if(l.pay==0)
					continue;
				gotoxy(5, ++y);
				cprintf("%s", l.name);
				temp++; //to be deleted later
			}
			textcolor(14);
			cprintf("\n\n           PRESS ANY KEY !");
			cprintf("\r\n\nrecords read %d times", temp);
			getch();
			textcolor(WHITE);
			clrscr();
			textcolor(WHITE);
			break;

			
		case 2:
			clrscr();
			textcolor(15);
			cprintf("\n        NAME        PHONE NO.        ROOM NO.\n\n");
			textcolor(GREEN);
		    while(fread(&l, sizeof(l), 1, f) != 0){
				if(l.pay==1)
					continue;
				gotoxy(5, ++y);
				cprintf("%s", l.name);
				temp++; //to be deleted later
			}
			textcolor(14);
			cprintf("\n\n           PRESS ANY KEY !");
			cprintf("\r\n\nrecords read %d times", temp);
			getch();
			textcolor(WHITE);
			clrscr();
			textcolor(WHITE);
			break;
			
			
		case 3:
			clrscr();
			textcolor(15);
			cprintf("\n        NAME        PHONE NO.        ROOM NO.\n\n");
			textcolor(GREEN);
		    while(fread(&l, sizeof(l), 1, f) != 0){
				gotoxy(5, ++y);
				cprintf("%s", l.name);
				temp++; //to be deleted later
			}
			textcolor(14);
			cprintf("\n\n           PRESS ANY KEY !");
			cprintf("\r\n\nrecords read %d times", temp);
			getch();
			textcolor(WHITE);
			clrscr();
			textcolor(WHITE);
			break;

	}
	

	
	

fclose(f);   //closing the file....
}


void addrec(){

    char tname[21], tplace[21], tfather[21], taddr[100], tename[21], terel[11], toname[16];
    struct date d;
    int z;
    struct person add;
	char checkin[8];
	char checkout[8];
    char *add1, *place1, *father1, *addr1, *ename1, *erel1, *oname1;
    int ci0, ci1, ci2, ci3, ci4, ci5, ci6, ci7;

    char stat, acc;
    int co0, co1, co2, co3, co4, co5, co6, co7;


   // fseek(f, 0, SEEK_END);
    f=fopen("C:\\HOTEL.DAT", "ab+");
	if(f==NULL){
		cprintf("File/Disk Corrupted!!!");
		sleep(4);
		exit(0);
	}


    getdate(&d);
	memset(&add, '\0', sizeof(struct person));
	clrscr();
    textcolor(14);
    clrscr();
    textcolor(15);
    cprintf("\n                     *** Pearl Guest House - Add Records ***\n\n");
    textcolor(5);
	printf("\n\nCURRENT DATE : %d-%d-%d ",d.da_day,d.da_mon,d.da_year);//displays current date;
    textcolor(15);

    printf("\n\n\n  Tenant Form");
    printf("\n\n  Your Name :");
    fflush(stdin);
    scanf("%[^\n]s", &tname);
    add1=strupr(tname);
	strcpy(add.name,add1);
	fflush(stdin);
	while(1){
		printf("\n\n  Have you recieved the payment? (Y\\N)");
		scanf("%c", &acc);
		if(acc=='Y'||acc=='y'){
			add.pay=1;
			break;
		}
		else if(acc=='N'||acc=='n'){
			add.pay=0;
			break;
		}
		else{
			printf("\n  Enter a valid choice!!!");
		}
	}



    fflush(f);
    fwrite(&add, sizeof(add), 1, f);

	clrscr();
	gotoxy(30,12);
	printf("\nAll Details Added Successfully!!!!\n\nPRESS ANY KEY");
	getch();

	if (fclose(f) != 0){  //closing the file....
		clrscr();
		gotoxy(30,12);
		printf("\nFile not closed Successfully!!!");

	}

printf("\nName :%s", add.name);
printf("\nPayment: %d", add.pay);

getch();
}
void exit1()
{
fclose(f);
exit(0);
}

if(chec==1){
		while(fread(&payment, recsize, 1, f) == 1){
			payment.pay=0;
			printf("DEBUG3: %s has paid\n", payment.name);
			fseek(f, -recsize, SEEK_CUR);
			fwrite(&payment, recsize, 1, f);
			ttt++;
			printf("%d", ttt);
			fflush(f); //new one
		}
		printf("\n\n All payments recieved...\n\nSo, the payments flags are set to 0");
		getch();
	}