Employee Management System-github.c

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

#define Employee struct emp
//sohanuzzaman_soad
void add(FILE * fp); //to add to list
FILE * del(FILE * fp);//to delete from list
void modify(FILE * fp);//to modify a record
void displayList(FILE * fp);//display whole list
void searchRecord(FILE *fp);//find a particular record
void printChar(char ch,int n);//printing a character ch n times
void printHead();
//sohanuzzaman_soad

struct emp
{
    int id;
    char name[100];
    char desgn[10];
    float sal;
    char jdate[8];
    char gender[10];
    char branch[50];
    char psaddr[200];
    char prtaddr[200];
    char phone[15];
    char mail[20];
};
//sohanuzzaman_soad

int main()
{
 FILE * fp;
 Employee e;
int option;
char another;

if((fp=fopen("employeeInfo.txt","rb+"))==NULL) //sohanuzzaman_soad
{
    if((fp=fopen("employeeInfo.txt","wb+"))==NULL)
       {
           printf("can't open file");
           return 0;
       }
}
char username[10],password[10]; //sohanuzzaman_soad
printHead();
welcome();
printHead();
printf("\n\t\t\t\t  Login Screen");
printf("\n\t\t\t      Enter Your Credential");
printf("\n\n\n\t\tUsername: ");
scanf("%s",username);
printf("\n\t\tPassword: ");
int i;
i=0;
	do
	{
		password[i] = getch();
		if(password[i] == 13 )//sohanuzzaman_soad
		{
			break;
		}
		else if(password[i]==8 && i>0)
		{
			printf("%c%c%c",8,32,8);
			i--;
		}
		else
		{
			printf("*");
			i++;
		}
	}while(password[i]!=13);
	password[i] = '\0';

if(((strcasecmp(username,"admin"))==0)&&((strcasecmp(password,"pass")==0)))
{
    while(1)
{
    printHead();
    printf("\n\t\t\t\tMain Menu");
    printf("\n\n\n");//sohanuzzaman_soad


    printf("\n\n\t\t\t1. Add Employee");
    printf("\n\n\t\t\t2. Delete Employee");
    printf("\n\n\t\t\t3. Modify Employee");
    printf("\n\n\t\t\t4. Display Employee List");
    printf("\n\n\t\t\t5. Search Record");
    printf("\n\n\t\t\t6. Display Basic Info");
    printf("\n\n\t\t\t7. Display Basic Contact Info");
    printf("\n\n\t\t\t8. List of Male Employee");
    printf("\n\n\t\t\t9. List of Female Employee");
    printf("\n\n\t\t\t10. List of Employee From Dhaka");
    printf("\n\n\t\t\t11. List of Employee From Others District");
    printf("\n\n\t\t\t12. List of Employee of Main Branch");
    printf("\n\n\t\t\t13. List of Employee of Others Branch");
    printf("\n\n\t\t\t0. EXIT");

    printf("\n\n\t\tEnter Your Option :--> ");
    scanf("%d",&option);
//sohanuzzaman_soad
    switch(option)
    {
        case 0: return 1;
                break;
        case 1: add(fp);
                break;
        case 2: fp=del(fp);
                break;
        case 3: modify(fp);
                break;
        case 4: displayList(fp);
                break;
        case 5: searchRecord(fp);
                break;
        case 6: displaybasic(fp);
                break;//sohanuzzaman_soad
        case 7: basiccontact(fp);
                break;
        case 8: maleemp(fp);
                break;
        case 9: femaleemp(fp);
                break;
        case 10: frmdhaka(fp);
                break;
        case 11: frmors(fp);
                break;
        case 12: mainbr(fp);
                break;
        case 13: otherbr(fp);
                break;
        default: printf("\n\t\tYou Pressed wrong key");
                  printf("\n\t\tProgram terminated");
                  getch();
                  exit(0);

    }//sohanuzzaman_soad
}
}
else {
    printf("\n\t\tLogin Failed");
}


return 1;

}

//====Welcome Screen=====
void welcome()
{
    printf("\n\n\n\n\n\t\t[ [ [ WELCOME TO OUR EMPLOYEE MANAGEMENT SYSTEM ] ] ]\n\n\n\n\n\n\n\t");
    system("pause");
}


//----printing character ch at n times ------

void printChar(char ch,int n)
{
    while(n--)//sohanuzzaman_soad
    {
        putchar(ch);
    }
}

//-----Printing Head Line of the program -----

void printHead()
{ system("cls");
printf("\t");
printChar('=',65);
printf("\n\t");
printChar('=',16);
printf("[EMPLOYEE] [MANAGEMENT] [SYSTEM]");
printChar('=',16);
printf("\n\t");
printChar('=',65);

}
//sohanuzzaman_soad

// ==========ADDING NEW RECORD==========================

void add(FILE * fp)
{
printHead();

printf("\n\t\t\t\Add Employee");
char another='y';
Employee e;

fseek(fp,0,SEEK_END);
while(another=='y'||another=='Y')
{
    printf("\n\n\t\tEnter ID number: ");
    scanf("%d",&e.id);
//sohanuzzaman_soad
    printf("\n\n\t\tEnter Full Name of Employee: ");
    fflush(stdin);
    fgets(e.name,100,stdin); //fgets takes an extra \n character as input
    e.name[strlen(e.name)-1]='\0';


    printf("\n\n\t\tEnter Designation: ");
    fflush(stdin);
    fgets(e.desgn,10,stdin); //fgets takes an extra \n character as input
    e.desgn[strlen(e.desgn)-1]='\0';


    printf("\n\n\t\tEnter Gender: ");
    fflush(stdin);
    fgets(e.gender,10,stdin); //fgets takes an extra \n character as input
    e.gender[strlen(e.gender)-1]='\0';

    printf("\n\n\t\tEnter Branch: ");
    fflush(stdin);
    fgets(e.branch,50,stdin);
    e.branch[strlen(e.branch)-1]='\0';


    printf("\n\n\t\tEnter Salary: ");
    scanf("%f",&e.sal);

    printf("\n\n\t\tEnter Present Address: ");
    fflush(stdin);
    fgets(e.psaddr,200,stdin);
    e.psaddr[strlen(e.psaddr)-1]='\0';

    printf("\n\n\t\tEnter Permanant Address: ");
    fflush(stdin);//sohanuzzaman_soad
    fgets(e.prtaddr,200,stdin);
    e.prtaddr[strlen(e.prtaddr)-1]='\0';

    printf("\n\n\t\tEnter Phone: ");
    fflush(stdin);
    fgets(e.phone,50,stdin);
    e.phone[strlen(e.phone)-1]='\0';

    printf("\n\n\t\tEnter E-mail: ");
    fflush(stdin);
    fgets(e.mail,20,stdin);
    e.mail[strlen(e.mail)-1]='\0';

    fwrite(&e,sizeof(e),1,fp);

    printf("\n\n\t\tWant to enter another employee info (Y/N)\t");
    fflush(stdin);
    another=getchar();
}//sohanuzzaman_soad
}


//===================DELETING A RECORD FROM LIST ============
FILE * del(FILE * fp)
{
 printHead();
printf("\n\t\t\t\Delete Employee");
Employee e;
int flag=0,tempid,siz=sizeof(e);
FILE *ft;

if((ft=fopen("temp.txt","wb+"))==NULL)//sohanuzzaman_soad
{
    printf("\n\n\t\t\t\\t!!! ERROR !!!\n\t\t");
    system("pause");
     return fp;
}

printf("\n\n\tEnter ID number of Employee to Delete the Record");
printf("\n\n\t\t\tID No. : ");
scanf("%d",&tempid);

rewind(fp);


while((fread(&e,siz,1,fp))==1)
{//sohanuzzaman_soad
    if(e.id==tempid)
    { flag=1;
    printf("\n\tRecord Deleted for");
    printf("\n\n\t\t%s\n\n\t\t%s\n\n\t\t%d\n\t",e.name,e.branch,e.id);
    continue;
    }

    fwrite(&e,siz,1,ft);
}


fclose(fp);
fclose(ft);

remove("employeeInfo.txt");
rename("temp.txt","employeeInfo.txt");

if((fp=fopen("employeeInfo.txt","rb+"))==NULL)//sohanuzzaman_soad
{
    printf("ERROR");
    return  NULL;
}

if(flag==0) printf("\n\n\t\t!!!! ERROR RECORD NOT FOUND \n\t");

printChar('-',65);
printf("\n\t");
system("pause");
return fp;
}

//sohanuzzaman_soad
//===========MODIFY A RECORD ===========================

void modify(FILE * fp)
{
printHead();
printf("\n\t\t\t\Modify Employee");
Employee e;
int i,flag=0,tempid,siz=sizeof(e);
float sal;

printf("\n\n\tEnter ID Number of Employee to Modify the Record : ");
scanf("%d",&tempid);

rewind(fp);

while((fread(&e,siz,1,fp))==1)
{
    if(e.id==tempid)
        {flag=1;//sohanuzzaman_soad
        break;
        }
}

if(flag==1)
    {
    fseek(fp,-siz,SEEK_CUR);
    printf("\n\n\t\tRecord Found");
    printf("\n\n\t\tEnter New Data for the Record");

     printf("\n\n\t\tEnter ID number: ");
    scanf("%d",&e.id);

    printf("\n\n\t\tEnter Full Name of Employee: ");
    fflush(stdin);
    fgets(e.name,100,stdin); //fgets takes an extra \n character as input
    e.name[strlen(e.name)-1]='\0';//sohanuzzaman_soad


    printf("\n\n\t\tEnter Designation: ");
    fflush(stdin);
    fgets(e.desgn,10,stdin); //fgets takes an extra \n character as input
    e.desgn[strlen(e.desgn)-1]='\0';


    printf("\n\n\t\tEnter Gender: ");
    fflush(stdin);
    fgets(e.gender,10,stdin); //fgets takes an extra \n character as input
    e.gender[strlen(e.gender)-1]='\0';

    printf("\n\n\t\tEnter Branch: ");
    fflush(stdin);
    fgets(e.branch,50,stdin);//sohanuzzaman_soad
    e.branch[strlen(e.branch)-1]='\0';


    printf("\n\n\t\tEnter Salary: ");
    scanf("%f",&e.sal);

    printf("\n\n\t\tEnter Present Address: ");
    fflush(stdin);
    fgets(e.psaddr,200,stdin);
    e.psaddr[strlen(e.psaddr)-1]='\0';

    printf("\n\n\t\tEnter Permanant Address: ");
    fflush(stdin);
    fgets(e.prtaddr,200,stdin);//sohanuzzaman_soad
    e.prtaddr[strlen(e.prtaddr)-1]='\0';

    printf("\n\n\t\tEnter Phone: ");
    fflush(stdin);
    fgets(e.phone,50,stdin);
    e.phone[strlen(e.phone)-1]='\0';

    printf("\n\n\t\tEnter E-mail: ");
    fflush(stdin);
    fgets(e.mail,20,stdin);
    e.mail[strlen(e.mail)-1]='\0';

    fwrite(&e,sizeof(e),1,fp);//sohanuzzaman_soad
}

else printf("\n\n\t!!!! ERROR !!!! RECORD NOT FOUND");

printf("\n\n\t");
system("pause");

}

//====================DISPLAY THE LIST =================
void displayList(FILE * fp)
{   printHead();
printf("\n\t\t\t\List  of Employees");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        printf("\n\n\t\tID : %d",e.id);//sohanuzzaman_soad
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tGENDER : %s",e.gender);
        printf("\n\n\t\tBRANCH : %s",e.branch);
        printf("\n\n\t\tSALARY : %.2f",e.sal);
        printf("\n\n\t\tPRESENT ADDRESS : %s",e.psaddr);
        printf("\n\n\t\tPERMANANT ADDRESS : %s",e.prtaddr);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s\n\n\t",e.mail);
        printChar('=',65);
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}


//================SEARCH EMPLOYEE==
void searchRecord(FILE *fp)//sohanuzzaman_soad
{printHead();
printf("\n\t\t\t\Search Employee");
int tempid,flag,siz,i;
Employee e;
char another='y';

siz=sizeof(e);

while(another=='y'||another=='Y')
{
printf("\n\n\tEnter ID Number of Employee to search the record : ");
scanf("%d",&tempid);

rewind(fp);//sohanuzzaman_soad

while((fread(&e,siz,1,fp))==1)
{
    if(e.id==tempid)
        {flag=1;
        break;
        }
}

if(flag==1)
    {
    printf("\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tBRANCH : %s",e.branch);//sohanuzzaman_soad
        printf("\n\n\t\tSALARY: %.2f",e.sal);
        printf("\n\n\t\tPRESENT ADDRESS : %s",e.psaddr);
        printf("\n\n\t\tPERMANANT ADDRESS : %s",e.prtaddr);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s",e.mail);

        printChar('=',65);

}
else printf("\n\n\t\t!!!! ERROR RECORD NOT FOUND !!!!");


printf("\n\n\t\tWant to enter another search (Y/N)");
fflush(stdin);//sohanuzzaman_soad
another=getchar();
}
}

//========================LIST OF MALE EMPLOYEE==
void maleemp(FILE * fp)
{
    printHead();
    printf("\n\t\t\t\List of Male Employee");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);//sohanuzzaman_soad

    while((fread(&e,siz,1,fp))==1)
    {
        if((strcmp(e.gender,"Male")==0)||(strcmp(e.gender,"male")==0))
        {
//sohanuzzaman_soad
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printChar('-',65);
        }
    }
    printf("\n\n\n\t");
     printChar('*',65);
    printf("\n\n\t");
    system("pause");
}


//========================LIST OF FEMALE EMPLOYEE==

void femaleemp(FILE * fp)
{
    printHead();
     printf("\n\t\t\t\List of Female Employee");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        if((strcmp(e.gender,"Female")==0)||(strcmp(e.gender,"female")==0))
        {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printChar('-',65);//sohanuzzaman_soad
        }
    }
    printf("\n\n\n\t");
     printChar('*',65);
    printf("\n\n\t");
    system("pause");
}

//========================LIST OF EMPLOYEE FROM DHAKA====

void frmdhaka(FILE * fp)
{
    printHead();
     printf("\n\t\t\t\List of Employee From Dhaka");//sohanuzzaman_soad
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        if((strstr(e.prtaddr,"Dhaka")==0)||(strstr(e.prtaddr,"dhaka")==0)||(strstr(e.prtaddr,"DHAKA")==0))
        {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s",e.mail);
        printChar('=',65);
        }
    }//sohanuzzaman_soad
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}

//========================LIST OF EMPLOYEE FROM ORS DIST====

void frmors(FILE * fp)
{
    printHead();
    printf("\n\t\t\t\List of Employee From Others District");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        if((strstr(e.prtaddr,"Dhaka")==1)&&(strstr(e.prtaddr,"dhaka")==1)&&(strstr(e.prtaddr,"DHAKA")==1))
        {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s",e.mail);
        printChar('=',65);
        }
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}

//==============DISPLAY BASIC INFO LIST==

void displaybasic(FILE * fp)
{   printHead();//sohanuzzaman_soad
printf("\n\t\t\t\Display Basic Information");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tGENDER : %s",e.gender);
        printf("\n\n\t\tBRANCH : %s",e.branch);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s\n\n\t",e.mail);
        printChar('=',65);
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}

//========BASIC CONTACT INFO LIST====

void basiccontact(FILE * fp)
{   printHead();
printf("\n\t\t\t\Basic Contact Information");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s\n\n\t",e.mail);
        printChar('=',65);
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}


//========================LIST OF EMPLOYEE OF MAIN BRANCH====

void mainbr(FILE * fp)
{
    printHead();
    printf("\n\t\t\t\List of Employee of Main Branch");
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)//sohanuzzaman_soad
    {
        if((strcmp(e.branch,"Main")==0)||(strcmp(e.prtaddr,"main")==0)||(strcmp(e.prtaddr,"MAIN")==0))
        {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);//sohanuzzaman_soad
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s\n\t",e.mail);
        printChar('=',65);
        }
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}

//========================LIST OF EMPLOYEE OF OTHRES BRANCH====

void otherbr(FILE * fp)
{
    printHead();
    printf("\n\t\t\t\List of Employee of Other Branch");//sohanuzzaman_soad
    Employee e;
    int i,siz=sizeof(e);

    rewind(fp);

    while((fread(&e,siz,1,fp))==1)
    {
        if((strcmp(e.branch,"Main")!=0)&&(strcmp(e.prtaddr,"main")!=0)&&(strcmp(e.prtaddr,"MAIN")!=0))
        {
        printf("\n\n\t\tID : %d",e.id);
        printf("\n\n\t\tNAME : %s",e.name);//sohanuzzaman_soad
        printf("\n\n\t\tDESIGNATION : %s",e.desgn);
        printf("\n\n\t\tPHONE : %s",e.phone);
        printf("\n\n\t\tE-MAIL : %s\n\n\t",e.mail);
        printChar('=',65);
        }
    }
    printf("\n\n\n\t");
    printf("\n\n\t");
    system("pause");
}
//sohanuzzaman_soad