record_entry_project_1.c

these are the mini project codes on inventiry and record entry in c language.

/******************************************

  Application: Record Entry System
  Compiled on: Borland Turbo C++ 3.0
  Programmer: Geetika Mukhi

******************************************/

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

void dataentry(void);
void selectAdminOption(void);
void getData(int option);
int showAdminMenu;

void main()
{
	int cancelOption,timeOption,entryOption,exitOption;
	char choice[1];
	char selectOption[1];

	textcolor(YELLOW);
	cancelOption=0;
	
	/* Shows the main menu for the application*/
        while (cancelOption==0)
	{
		clrscr();
		gotoxy(30,7);
		printf("Please Select an Action-->");
		gotoxy(30,10);
		printf("Daily Time Record [1] ");
		gotoxy(30,11);
		printf("Data Entry        [2] ");
		gotoxy(30,12);
		printf("Close             [3] ");
		gotoxy(30,15);
		printf("Please Enter Your Choice (1/2/3): ");
		scanf("%s",&choice);
		timeOption=strcmp(choice,"1");
		entryOption=strcmp(choice,"2");
		exitOption=strcmp(choice,"3");


		if (timeOption==0)
		{
		clrscr();
		gotoxy(23,6);
		printf("DAILY EMPLOYEE TIME RECORDING SYSTEM");
		gotoxy(16,24);
		printf("Input Any Other key to Return to Previous Screen.");
		gotoxy(31,9);
		printf("[1] Employee Log In ");
		gotoxy(31,10);
		printf("[2] Employee Log Out");
		gotoxy(28,12);
		printf("Please Enter Your Option: ");
		scanf("%s",&selectOption);
		if (strcmp(selectOption,"1")==0)
		{
		   getData(5);
		}
		if (strcmp(selectOption,"2")==0)
		{
		   getData(6);
		}
		cancelOption=0;
		}
		if (entryOption==0)
		{
		dataentry();
		cancelOption=0;
		}
		if (exitOption==0)
		{
		cancelOption=1;
		}

		if (!(timeOption==0 || entryOption==0 || exitOption==0))
		{
                   gotoxy(10,17);
		   printf("You Have Entered an Invalid Option. Please Choose Either 1, 2 or 3. ");
		   getch();
		   cancelOption=0;
		}

	}
	clrscr();
	gotoxy(23,13);
	printf("The Application will Close Now. Thanks!");
	getch();
}

/* This function provides logic for data entry to be done for the system.
Access to Data Entry screens will be only allowed to administrator user.*/
void dataentry(void)
{

char adminName[10], passwd[5],buffer[1];
char tempo[6],sel[1];
int validUserNameOption,validUserPwdOption,returnOption,UserName,inc,tmp;
char plus;
	clrscr();
	validUserNameOption=0;
	validUserPwdOption=0;
	while (validUserPwdOption==0)
	{
		clrscr();
		while (validUserNameOption==0)
		{
			clrscr();
			gotoxy(20,5);
			printf("IT SOFTWARE DATA ENTRY SYSTEM-ADMIN INTERFACE");
			gotoxy(20,24);
			printf("Info: Type return to go back to the main screen.");
			gotoxy(28,10);
			printf("Enter Administrator Name: ");
			scanf("%s",&adminName);
			returnOption=strcmp(adminName,"return");
			UserName=strcmp(adminName,"admin");

			if (returnOption==0)
			{
			goto stream;
			}
			if (!(UserName==0 || returnOption==0))
			{

			gotoxy(32,11);
			printf("Administrator Name is Invalid.");
			getch();
			validUserNameOption=0;
			}
			else
			validUserNameOption=1;

		}

	gotoxy(30,11);
	printf("Enter Password: ");
	inc=0;
	while (inc<5)
	{
	 passwd[inc]=getch();
	 inc=inc+1;
	 printf("* ");
	}
	inc=0;
	while (inc<5)
	{
	 tempo[inc]=passwd[inc];
	 inc=inc+1;
	}
	while(getch()!=13);
	if (!strcmp(tempo, "admin12"))
		{
                        gotoxy(28,13);
			printf("You have Entered a Wrong Password. Please Try Again. ");
			getch();
			validUserPwdOption=0;
			validUserNameOption=0;
		}
		else
		{
			clrscr();
			gotoxy(24,11);
			textcolor(YELLOW+BLINK);
			cprintf("You Have Successfully Logged In.");
			gotoxy(24,17);
			textcolor(YELLOW);
			printf("Press Any Key to Continue.");
			validUserPwdOption=1;
			validUserNameOption=1;
			getch();
			showAdminMenu=0;

		     while (showAdminMenu==0)
		     {
			clrscr();
			gotoxy(24,4);
			printf("ADMIN OPTIONS");
			gotoxy(26,9);
			printf("Add New Employee       [1]");
			gotoxy(26,11);
			printf("Show Daily Entries     [2]");
			gotoxy(26,13);
			printf("Search Employee Record [3]");
			gotoxy(26,15);
			printf("Remove Employee        [4]");
			gotoxy(26,17);
			printf("Close                  [5]");
			gotoxy(24,21);
			printf("Please enter your choice: ");
			selectAdminOption();
		   }
		}
	}
stream:{}

}

/* This function provides the administrator level functionalities, such as Adding or deleting an employee.*/
void selectAdminOption(void)
{
  char chc[1];
  int chooseNew,chooseShow,chooseSearch,chooseRemove,chooseClose;

  gets(chc);

  chooseNew=strcmp(chc,"1");
  chooseShow=strcmp(chc,"2");
  chooseSearch=strcmp(chc,"3");
  chooseRemove=strcmp(chc,"4");
  chooseClose=strcmp(chc,"5");

  if (!(chooseNew==0 || chooseShow==0 || chooseSearch==0 || chooseRemove==0 || chooseClose==0))
  {
     gotoxy(19,21);
     textcolor(RED+BLINK);
     cprintf("Invalid Input!");
     gotoxy(34,21);
     textcolor(YELLOW);
     cprintf("Press any key to continue.");
  }

  if (chooseNew==0)
  {
     clrscr();
     gotoxy(25,5);
     getData(1);
  }
  else if(chooseShow==0)
  {
     getData(2);
  }
  else if(chooseSearch==0)
  {
     clrscr();
     getData(3);
  }
  else if(chooseRemove==0)
  {
     getData(4);
  }
  else if (chooseClose==0)
  {
     showAdminMenu=1;
  }
}

/* This function retreives data from the database as well as do data processing according to user requests.
   The function provides functionality for menu options provided to both employee as well as administrator user*/
void getData(int option)
{
 FILE *db,*tempdb;
 char anotherEmp;
 int choice;
 int showMenu,posx,posy;
 char checkSave,checkAddNew;
 int i;

 struct employee
 {
        char firstname[30];
	char lastname[30];
	char password[30];
	int  empid;
	char loginhour;
	char loginmin;
	char loginsec;
	char logouthour;
	char logoutmin;
	char logoutsec;
	int yr;
	char mon;
	char day;
 };

 struct employee empData;

 char confirmPassword[30];
 long int size;
 char lastNameTemp[30],firstNameTemp[30],password[30];
 int searchId;
 char pass[30];
 char findEmployee;
 char confirmDelete;

 struct date today;
 struct time now;

 clrscr();

 /* Opens the Employee Database*/
 db=fopen("d:/empbase.dat","rb+");
 if(db==NULL)
	{
		db=fopen("d:/empbase.DAT","wb+");
		if(db==NULL)
		{
			printf("The File could not be opened.\n");
			exit();
		}
	}
  printf("Application Database \n");
  size=sizeof(empData);
  showMenu=0;
  while(showMenu==0)
  {
   fflush(stdin);
   choice=option;

   /* Based on the choice selected by admin/employee, this switch statement processes the request*/
   switch(choice)
   {

   /* To add a new employee to the database*/
   case 1:
	   fseek(db,0,SEEK_END);
	   anotherEmp='y';

	   while(anotherEmp=='y')
	   {
                   checkAddNew=0;
		   while(checkAddNew==0)
		   {
		   clrscr();
		   gotoxy(25,3);
		   printf("ADD A NEW EMPLOYEE");
		   gotoxy(13,22);
		   printf("Warning: Password Must Contain Six(6) AlphaNumeric Digits.");
		   gotoxy(5,8);
		   printf("Enter First Name: ");
		   scanf("%s",&firstNameTemp);
		   gotoxy(5,10);
		   printf("Enter Last Name: ");
		   scanf("%s",&lastNameTemp);
		   gotoxy(43,8);
		   printf("Enter Password: ");
		   for (i=0;i<6;i++)
		   {
		    password[i]=getch();
		    printf("* ");
		   }
		   password[6]='\0';

		   while(getch()!=13);

		   gotoxy(43,10);
		   printf("Confirm Password: ");
		   for (i=0;i<6;i++)
		   {
		    confirmPassword[i]=getch();
		    printf("* ");
		   }
		   confirmPassword[6]='\0';

		   while(getch()!=13);
		   if (strcmp(password,confirmPassword))
		   {
		      gotoxy(24,12);