Hotel Reservation System (Mini Project in C)

/*
Language: C\C++
Category: Database\Files
Description: Hotel Reservation
*/
#include stdio.h
#include conio.h
#include stdlib.h
#include dos.h
#define size 51

void mainm(void);
void entry(void);
void modify(void);
void delet(void);
void view(void);

// Structure

struct hoteldata
{
char name[size][30], nic[size][20],rdate[size][12],cdate[size][12];
};

struct hoteldata guest;

struct hoteldata1
{
char name[size][30], nic[size][20],rdate[size][12],cdate[size][12];
};

struct hoteldata1 guest1;



// Initializations

int li,lp,sr[size];int dr[size];int rno;int i;int e;
char rc,ch,choice,echoice,rchoice,temp[80],vchoice,mf,ar;


// Main Fuction
void main(void)
{
clrscr();
sr[0]=1;dr[0]=1; // THE MAIN LOGIC !!

for(li=10;li<71;li++) { gotoxy(li,15); delay(30); printf("\/"); } for(li=70;li>=10;li--)
{
gotoxy(li,22);
delay(30);
printf("\\");
}
for(lp=16;lp<=21;lp++) { gotoxy(10,lp); delay(100); printf("-"); } for(lp=21;lp>=16;lp--)
{
gotoxy(70,lp);
delay(100);
printf("=");
}
gotoxy(16,17);
textcolor(BLINK + MAGENTA);
cprintf("Welcome To The NALAIQUE's Hotel Reservation System");
gotoxy(12,20);
cprintf("Designed and Coded By NALAIQUE Technologies (C) 2002-2003");
gotoxy(36,28);
textcolor(LIGHTGREEN);
cprintf("Coded By");
gotoxy(24,31);
textcolor(2);
cprintf("Salman Javaid, # 31, BCS - 1 / B");
gotoxy(26,34);
textcolor(3);
cprintf("Irum Shahid, # 3, BCS - 1 / B");
textcolor(4);
gotoxy(22,37);
cprintf("Rabia Binte Aslam, # 61, BCS - 1 / B");
textcolor(5);
gotoxy(25,40);
textcolor(6);
cprintf("Rabia Latif, # 64, BCS - 1 / B");
gotoxy(44,48);
textcolor(WHITE);
cprintf("Press Any Key To ..........Continue");
getch();
mainm();
}// Main Fuction End

//Main Menu Function
void mainm(void)
{
clrscr();
for(li=30;li<=50;li++) { gotoxy(li,14); delay(30); printf("*"); } for(li=50;li>=30;li--)
{
gotoxy(li,30);
delay(30);
printf("*");
}
for(lp=15;lp<30;lp++) { gotoxy(30,lp); delay(100); printf("|"); } for(lp=29;lp>=15;lp--)
{
gotoxy(50,lp);
delay(100);
printf("|");
}
gotoxy(15,10);
textcolor(LIGHTGRAY);
cprintf("Press the corresponding Keys for the desired action");
gotoxy(33,16);
textcolor(BROWN);
cprintf("R: Reservation");
gotoxy(33,19);
textcolor(LIGHTMAGENTA);
cprintf("V: Room Status");
gotoxy(33,22);
textcolor(LIGHTBLUE);
cprintf("M: Modification");
gotoxy(33,25);
textcolor(LIGHTRED);
cprintf("D: Deletion");
gotoxy(33,28);
textcolor(GREEN);
cprintf("Q: Quit");
textcolor(WHITE);
choice=getch();
switch(choice)
{// Choice Switch Begin
case 'R':
entry();
case 'V':
view();
case 'M':
modify();
case 'D':
delet();
case 'Q':
exit(0);
default:
{//Choice Default
gotoxy(33,40);
printf("\n\nIllegal Choice or make sure CAPS Lock is on");
getch();
mainm();

}//Choice Default End
} //Choice Switch End
} //Main Menu Function End



// Data Entry Function
void entry(void)
{//Data Entry Function Begin
clrscr();
printf("Do You Want To reserve A Room? (Y/N)\n");
echoice=getch();
switch(echoice) // Echoice Switch Begin
{
case 'Y':
{ // E-Choice Case Y Begin
printf("\n\nEnter S for Single Room or D for Double Room\n\n");
rchoice=getch();
switch(rchoice) // Rchoice Switch Begin
{
case 'S': // Rchoice
{// R-Choice Case S Begin
for(i=1;i51)
{//IF Condition Begin
printf("\n\nIllegal Room Number");
getch();
mainm();
} //IF Condition End
else
{ // Limit Else Falsified Begin
if(sr[rno]==1)
{//sr==1 if Begin
printf("\n\nSingle Room No %d Is Reserved",rno);
printf("\n\nOccupant's Name : %s \n\nOccupant's NIC Number : %s \
\n\nCheck In Date : %s\n\nCheck Out Date : %s \n\n", \
guest.name[rno],guest.nic[rno],guest.rdate[rno],guest.cdate[rno]);

}//sr==1 if End
else
{// sr else begin
printf("\n\nSingle Room No %d is Vacant",rno);
getch();
}//sr else end
if(dr[rno]==1)
{//dr==1 if Begin
printf("\n\nDouble Room No %d Is Reserved",rno);
printf("\nOccupant's Name : %s \n\nOccupant's NIC Number : \
%s \n\nCheck In Date : %s\n\nCheck Out Date : %s \n\n", \
guest1.name[rno],guest1.nic[rno],guest1.rdate[rno], \
guest1.cdate[rno]);
printf("\n\nPress Any Key To Return To The Main Menu");
getch();
mainm();
}//dr==1 if End
else
{// dr else begin
printf("\n\nDouble Room No %d is Vacant",rno);
getch();
mainm();
}//dr else end
}//Vchoice Case R End
}// Falsified Limit End
default:
{
//Vchoice Default Begin
printf("\n\nIllegal Choice or make sure CAPS Lock is on");
getch();
mainm();
} // Vchoice Default End
} // Vchoice Switch End
} // Data View Function End



//Modify Function
void modify(void)
{// Modify Function Begin
clrscr();
printf("\t\t\t\tData Modification\n\n\n\n\n\n");
printf("Enter The Room Number To Be Modified\n");
gets(temp);
rno=atoi(temp);
// Room Number Limit Check
if(rno<1 || rno >51)
{//IF Condition Begin
printf("\n\nIllegal Room Number");
getch();
mainm();
} //IF Condition End
else
{ // Limit Else Falsified Begin
printf("Enter S For Single Room / D For Double Room\n");
rc=getch();
switch(rc)
{//rc Switch Begin
case 'S':
{//rc Case S Begin
if(sr[rno]==1)
{//sr==1 if Begin
clrscr();
printf("\n\nSingle Room No %d Is Reserved",rno);
printf("\n\nOccupant's Name : %s \n\nOccupant's NIC Number : \
%s \n\nCheck In Date : %s\n\nCheck Out Date : %s \n\n", \
guest.name[rno],guest.nic[rno],guest.rdate[rno],guest.cdate[rno]);

printf("\n\nPress N : Change Of Name\nI : Change In NIC\nR : \
Check In Date\nO : Check Out Date\n\n");
mf=getch();
switch(mf)
{//mf switch Begin
case 'N':
{//mf Case N Begin
printf("\n\nEnter New Name\n");
gets(guest.name[rno]);
getch();
mainm();
}//mf Case N End
case 'I':
{//mf Case I Begin
printf("\n\nEnter New NIC Number\n");
gets(guest.nic[rno]);
getch();
mainm();
}//mf Case I End
case 'R':
{//mf Case R Begin
printf("\n\nEnter New Check In Date\n");
gets(guest.rdate[rno]);
getch();
mainm();
}//mf Case R End
case 'O':
{//mf Case O Begin
printf("\n\nEnter New Check Out Date\n");
gets(guest.cdate[rno]);
getch();
mainm();
}//mf Case O End
default:
{//mf Default Begin
printf("\n\nInvalid Entry");
getch();
mainm();
}//mf Default End
}//sr==1 if End
} //rc Case S End
else
{// sr else begin
printf("\n\nSingle Room No %d is Vacant",rno);
getch();
mainm();
}//sr else end
}//rc Case S End
case 'D':
{// rc Case D Begin
if(dr[rno]==1)
{//dr==1 if Begin
clrscr();
printf("\n\nDouble Room No %d Is Reserved",rno);
printf("\n\nOccupant's Name : %s \n\nOccupant's NIC Number : \
%s \n\nCheck In Date : %s\n\nCheck Out Date : %s \n\n",\
guest1.name[rno],guest1.nic[rno],guest1.rdate[rno],\
guest1.cdate[rno]);

printf("\n\nPress N : Change Of Name\nI : Change \
In NIC\nR : Check In Date\nO : Check Out Date\n\n");
mf=getch();
switch(mf)
{//mf switch Begin
case 'N':
{//mf Case N Begin
printf("\n\nEnter New Name\n");
gets(guest1.name[rno]);
getch();
mainm();
}//mf Case N End
case 'I':
{//mf Case I Begin
printf("\n\nEnter New NIC Number\n");
gets(guest1.nic[rno]);
getch();
mainm();
}//mf Case I End
case 'R':
{//mf Case R Begin
printf("\n\nEnter New Check In Date\n");
gets(guest1.rdate[rno]);
getch();
mainm();
}//mf Case R End
case 'O':
{//mf Case O Begin
printf("\n\nEnter New Check Out Date\n");
gets(guest1.cdate[rno]);
getch();
mainm();
}//mf Case O End
default:
{//mf Default Begin
printf("\n\nIllegal Choice or make sure CAPS Lock is on");
getch();
mainm();
}//mf Default End
}//dr==1 if End
}//rc Case D End
else
{// dr else begin
printf("\n\nSingle Room No %d is Vacant",rno);
getch();
mainm();
}//dr else end
} // Case D End
default:
{// rc Default Begin
printf("\n\n\nIllegal Entry Or Make Sure CAPS Lock is On");
getch();
mainm();
} // rc Default End
} //Switch rc End
} // Limit Else Falsified End
} //Modify Function End


//Delete Function
void delet(void)
{//Delete Function
clrscr();
printf("Enter The Room Number To Vacate\n");
gets(temp);
rno=atoi(temp);

// Room Number Limit Check
if(rno<1 || rno >51)
{//IF Condition Begin
printf("\n\nIllegal Room Number");
getch();
mainm();
} //IF Condition End
else
{// Room Number Limit Falsified Else
printf("\n\nSingle Or Double Room? (S/D)");
rc=getch();
switch(rc)
{//rc Switch Begin
case 'S':
{//rc Case S Begin
sr[rno]=0;
printf("\n\nRoom Vacated");
printf("\n\nPress Any Key To Exit To The Main Menu");
getch();
mainm();
}// rc Case S End
case 'D':
{//rc Case D Begin
dr[rno]=0;
printf("\n\nRoom Vacated");
printf("\n\nPress Any Key To Exit To The Main Menu");
getch();
mainm();
}//rc Case D End
default:
{//rc Default Begin
printf("\n\nIllegal Choice Or Make Sure CAPS Lock is ON");
getch();
mainm();
}// rc Default End
}// rc Switch End
}// Room Number Falsified Else End
}// Delete Function End

// END OF PROGRAM