final project

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

//sub main 3 function
void admin();
void teacher();
void student();

//-----------------------------Student-----------------Part------------------

    //Student information
    void input_student_details();  //check
    void input_student_result();

    //Student search
    void student_search();
   // void student_search_by_name();
   // void student_search_by_roll();  //check

    //Display part
    void display_student_information();
    void display_student_information_result();  //check

//------------------------------Teacher------------------------------Part-----------------------

    //teacher information
    void input_teacher_details(); //check
    //search
    void teacher_search();
    //void teacher_search_by_name();
    //void teacher_search_by_subject_name();
    //display teacher information
    void display_teacher_details();

//-----------------------------Admin----------------------------------Part--------------

    void check(); //Checking mark

    //void show_avareage_mark();
    void check_bangla_pass_fail();
    void check_english_pass_fail();
    void check_math_pass_fail();
    void check_social_science_pass_fail();
    void check_general_science_pass_fail();


struct student
{
    char name[30];
    int password[10];
    char cls[10];
    int Roll;
    char age[3];
    char subject_name[20];
    char counselling_time[20];
    //char counseling_date[10];
    int bangla_marks,english_marks,math_marks,socialScience_marks,generalScience_marks;
    char phone_no[11];
    float per;
    char grade;
    int std;

} information;
//long si=sizeof(s);


int main()
{
    system("cls");
    system("color B");

    int choice;

    printf("\t\t\t\t\t*****GOPALPUR HIGH SCHOOL*****");
    printf("\n\t\t\t\t\t**School Management System**");
    printf("\n\t\t\t\t******************************************");

    printf("\n\n\n\t\t\t\t\t1.Administrator Login");
    printf("\n\t\t\t\t\t2.Teacher Login");
    printf("\n\t\t\t\t\t3.Student Login");
    printf("\n\n\t\t\t\t\tPlease enter your choice: ");
    scanf("%d",&choice);

    switch(choice)
    {
    case 0:
           exit(0);
    case 1:
            admin();
            break;
    case 2:
            teacher();
            break;
    case 3:
            student();
            break;
   default:
            printf("Errors");
            break;
    }
    return 0;
}
// user define function start....

//-----------------------------------Teacher------------Part-------------------------------------

FILE *fp01;
void input_teacher_details()
{
    system("cls");
    fp01=fopen("teacher.txt","ab");
    printf("Enter the teacher name: ");
    fflush(stdin);
    gets(information.name);
    printf("Enter the age: ");
    fflush(stdin);
    gets(information.age);
    printf("Enter the subject name:  ");
    fflush(stdin);
    gets(information.subject_name);
    printf("Enter the counseling time :  ");
    fflush(stdin);
    gets(information.counselling_time);
    printf("Enter the phone number: ");
    fflush(stdin);
    gets(information.phone_no);

    fwrite(&information, sizeof(information),1,fp01);
    printf("Record save successfully\n");
    fclose(fp01);
}

//FILE *file3;
void teacher()
{
    system("cls");
    char name[20],password[8];
    int i,choice;
    //file3=fopen("teacher.txt","a");
    //if(file3==NULL)
    //{
       // printf("File doesn't exists.");
      //  return 0;
   // }else{
        printf("\n\t\t\t\t\t***Teacher***");
        printf("\n\t\t\t\tEnter your name: ");
        scanf("%s",&name);
        printf("\n\t\t\t\tEnter our password: ");
        for(i=0; i<6; i++)
        {
            password[i]=getch();
            printf("*");
        }
        password[i]='\0';
        if(strcmp(name,"hasan")==0 && strcmp(password,"mehedi")==0)
        {
            printf("\n\n\t\t\t\t\t1.Input Teacher details");
            printf("\n\t\t\t\t\t2.Display Teacher Information");
            printf("\n\t\t\t\t\t3.Display Student Information");
            printf("\n\t\t\t\t\t4.Display Student Information & Result");
            printf("\n\t\t\t\t\t5.Search A Teacher");
            printf("\n\t\t\t\t\t6.Search A Student");
            printf("\n\t\t\t\t\t7.Check");
            printf("\n\t\t\t\t\t8.Back To Main Menu");
            printf("\n\t\t\t\tEnter your choice: ");
            scanf("%d",&choice);
            switch(choice)
            {
            case 0:
                exit(0);
            case 1:
                input_teacher_details();
                break;
            case 2:
                display_teacher_details();
                break;
            case 3:
                display_student_information();
                break;
            case 4:
                display_student_information_result();
                break;
            case 5:
                teacher_search();
                break;
            case 6:
                student_search();
                break;
            case 7:
                check();
                break;
            case 8:
                system("cls");
                main();
                break;
            default: printf("Error");
            }
        }
        else
            printf("Check your name or password...");
   // }
   // fclose(file3);
}

void display_teacher_details()
{
    system("cls");
    printf("<== Teacher Information ==>\n\n");
    printf("%-30s %-20s %-20s %-20s\t %s\n","Name","Age","Subject","Counseling_Time","Phone_No");
    fp01 = fopen("teacher.txt","rb");
    while(fread(&information ,sizeof(information) ,1,fp01)==1)
    {
        printf("%-30s %-20s %-20s %-20s\t %s\n",information.name ,information.age ,information.subject_name, information.counselling_time ,information.phone_no);
    }
    fclose(fp01);
    printf("Press any key to continue...");
}



void teacher_search()
{
    system("cls");
    char na[30];
    int f=0;
    printf("Enter Name to search: ");
    fflush(stdin);
    gets(na);
    printf("%-30s %-20s %-20s %-20s\t %s\n","Name","Age","Subject","Counseling_Time","Phone_No");
    fp01=fopen("teacher.txt","rb");
    while(fread(&information,sizeof(information),1,fp01)==1)
    {
        if(strcmp(na,information.name)==0)
        {
            f=1;
           printf("%-30s %-20s %-20s %-20s\t %s\n",information.name ,information.age ,information.subject_name ,information.counselling_time ,information.phone_no);
            printf("Record Found Successfully...\n");
            printf("Press any key to continue...\n\n");
            break;
        }
    }
    fclose(fp01);
    if(f==0)
        printf("Record Not Found...\n");
}




//-------------------------------Student------------part--------------------------------------------
FILE *file2;
void student()
{
    system("cls");
    char name[20],password[8],ch='*';
    int i, choice;
    file2=fopen("student.txt","rb");
    if(file2==NULL)
    {
        printf("File doesn't exists");
        return;
    }
    printf("\n\t\t\t\t\t***Student***\n");
    printf("\n\t\t\t\tEnter your name: ");
    scanf("%s",&name);
    printf("\n\t\t\t\tEnter your password: ");
    for(i=0; i<5; i++)
    {
        password[i]=getch();
        printf("*");
    }
    password[i]='\0';
    if(strcmp(name,"zahid")==0 && strcmp(password,"mahdi")==0)
    {

        printf("\n\n\t\t\t\t\t***Student Login Successfully***\n");
        while(1)
        {
            printf("\n\n\t\t\t\t\t1. Display Teacher Information ");
            printf("\n\t\t\t\t\t2. Search A Teacher");
            printf("\n\t\t\t\t\t3. View Your Information");
            printf("\n\t\t\t\t\t4. View Your Information & Result");
            printf("\n\t\t\t\t\t5. Back To Main Menu");
            printf("\n\t\t\t\tEnter your choice: ");
            scanf("%d",&choice);
            switch(choice)
            {
                case 0:
                     exit(0);
                case 1:
                    display_teacher_details();
                    break;

                case 2:
                    teacher_search();
                    break;
                case 3:
                    display_student_information();
                    break;
                case 4:
                    display_student_information_result();
                    break;
                case 5:
                    system("cls");
                    main();
                    break;
                default:
                    printf("Error");
                    break;

            }
        }
    }
        else
            printf("\n Check Your Name Or Password...\n");
  fclose(file2);
}


FILE *fp02;
void input_student_details()
{
    system("cls");
    fp02=fopen("student.txt","ab+");
    printf("Enter the student name: ");
    fflush(stdin);
    gets(information.name);
    printf("Enter the class: ");
    gets(information.cls);
    printf("Enter the roll: ");
    scanf("%d",&information.Roll);
    printf("Enter the age: ");
    scanf("%d",&information.age);
    fflush(stdin);
    printf("Enter the guardian phone no.: ");
    gets(information.phone_no);

    fwrite(&information, sizeof(information),1,fp02);
    printf("Record successfully\n");
    fclose(fp02);
}

FILE *fp03;
void input_student_result()
{
    system("cls");
    fp03=fopen("result.txt","ab+");
    printf("Enter Student Name: ");
    fflush(stdin);
    gets(information.name);
    printf("Enter Class: ");
    scanf("%s",&information.cls);
    printf("Enter roll: ");
    scanf("%d",&information.Roll);
    printf("\nEnter The marks in Bangla out of 100 : ");
    scanf("%d",&information.bangla_marks);
    printf("\nEnter The marks in English out of 100 : ");
    scanf("%d",&information.english_marks);
    printf("\nEnter The marks in Mathematics out of 100 : ");
    scanf("%d",&information.math_marks);
    printf("\nEnter The marks in Social Science out of 100 : ");
    scanf("%d",&information.socialScience_marks);
    printf("\nEnter The marks in General Science out of 100 : ");
    scanf("%d",&information.generalScience_marks);

    information.per=(information.bangla_marks +information.english_marks +information.math_marks +information.socialScience_marks +information.generalScience_marks)/5.0;


    fwrite(&information, sizeof(information),1,fp03);
    printf("Record Saved Successfully");
    fclose(fp03);
}

void display_student_information()
{
    system("cls");
    printf("<== Student Information ==>\n\n");
    printf("%s\t\t %s\t\t %s\t\t %s\n","Name","Class","Roll","Guardian_Number");
    fp02= fopen("student.txt","rb");
    while(fread(&information,sizeof(information),1,fp02)==1)
    {
        printf("%s\t\t  %s\t\t %d\t\t %d\t\t %s\n",information.name ,information.cls ,information.Roll,information.phone_no);
    }
    fclose(fp02);
    printf("Press any key to continue...");
}

void display_student_information_result()
{
    system("cls");

    printf("\n\n\n\t\tDISPLAY ALL RECORD !!!\n\n");
    fp03=fopen("result.txt","rb+");
    while((fread(&information,sizeof(information),1,fp03))>0)
    {

        printf("\nName of student : %s",information.name);
        printf("\nName of class : %s",information.cls);
        printf("\nNumber of roll : %d",information.Roll);
        printf("\n\nMarks in Bangla : %d",information.bangla_marks);
        printf("\nMarks in English : %d",information.english_marks);
        printf("\nMarks in Mathematics : %d",information.math_marks);
        printf("\nMarks in Social Science : %d",information.socialScience_marks);
        printf("\nMarks in General Science : %d",information.generalScience_marks);
        printf("\nPercentage of student is  : %.2f",information.per);

        printf("\n\n====================================\n");

        printf("Press any key to continue...");

        getch();
    }
    fclose(fp03);
}


void student_search()

{
    system("cls");
    char na[30];
    int f=0;
    printf("Enter Name to search: ");
    fflush(stdin);
    gets(na);
    printf("%s\t\t %s\t\t %s\t\t %s\t\t %s\n","Name","Class","Roll","Age","Guardian_Number");
    fp02=fopen("student.txt","rb");
    while(fread(&information,sizeof(information),1,fp02)==1)
    {
        if(strcmpi(na,information.name)==0)
        {
            f=1;
            printf("%s\t\t %s\t\t %d\t\t %d\t\t %s\n",information.name ,information.cls ,information.Roll ,information.age ,information.phone_no);
            printf("Record Found Successfully...\n");
            printf("Press any key to continue...\n\n");
            break;
        }
    }
    fclose(fp02);
    if(f==0)
        printf("Record Not Found...\n");
}

//-----------------------------------Admin-----Part----------------------------------------------------------------
FILE *file1;
void admin()
{
    system("color A");
    system("cls");
    int choice,i;
    char name[20],password[8];
    file1=fopen("Administrators.txt","wb");
    if(file1==NULL)
    {
        printf("There is no exist file\n");
        return 0;
    }

        printf("\t\t\t\t\tFor Administrator\n");
        printf("\n\t\t\t\tEnter your name: ");
        scanf("%s",name);
        printf("\n\t\t\t\tEnter the password: ");
        for(i=0; i<5;i++)
        {
            password[i]=getch();
            printf("*");
        }
        password[i]='\0';
        fwrite(&information, sizeof(information),1,file1);
        if(strcmp(name,"zahid")==0 && strcmp(password,"hasan")==0 )
        {
            printf("\n\n\t\t\t\tAdmin Login Successfully");
            while(1)
            {
                printf("\n\n\t\t\t\t\t1. Display teachers detail");
                printf("\n\t\t\t\t\t2. Search a teacher");
                printf("\n\t\t\t\t\t3. Student information input & editing");
                printf("\n\t\t\t\t\t4. Student information and result input and editing");
                printf("\n\t\t\t\t\t5. Display student information");
                printf("\n\t\t\t\t\t6. Display student information and result");
                printf("\n\t\t\t\t\t7. Search a student");
                printf("\n\t\t\t\t\t8. Check");
                printf("\n\t\t\t\t\t9. Back To Main Menu");

                fwrite(&information, sizeof(information),1,file1);

               printf("\n\n     Please enter your choice:");
               scanf("%d",&choice);
               switch(choice)
               {
            case 0:
                exit (0);
           case 1:
                display_teacher_details();
                break;
            case 2:
                teacher_search();
                break;
            case 3:
                input_student_details();
                break;
            case 4:
                input_student_result();
                break;
            case 5:
                display_student_information();
                break;
            case 6:
                display_student_information_result();
                break;
            case 7:
                student_search();
                break;
            case 8:
                check();
                break;
            case 9:
                system("cls");
                main();
                break;
            default:
                printf("errors");
               }
            }
        }

        else
        {
            printf("\t\tCheck your name or password...\n");
        }

    fclose(file1);

}

void check()
{
    system("cls");
    int ch;

    while(1)
    {

        printf("<== Varsity Management ==>\n");
        printf("<== Check ==>\n\n");
        printf("1.Check Bangla  pass fail\n");
        printf("2.Check English pass fail \n");
        printf("3.Check Mathematics pass fail\n");
        printf("4.Check Social Science pass fail\n");
        printf("5.Check General Science pass fail\n");
        printf("6.Back To Admin menu\n");
        printf("\n\nEnter your choice: ");
        scanf("%d",&ch);

        switch(ch)
        {

        case 1:
            check_bangla_pass_fail();
            break;
        case 2:
            check_english_pass_fail();
            break;
        case 3:
            check_math_pass_fail();
            break;
        case 4:
            check_social_science_pass_fail();
            break;
        case 5:
            check_general_science_pass_fail();
            break;

        case 6:
            system("cls");
            admin();
            break;

        default:
            printf("Invalid Choice");
        }
        getch();
    }
}


void check_bangla_pass_fail()
{
    system("cls");

    float result[10],greatest;

    int i =0;
    int f=0;
    int n;
    int count1=0,count2=0;
    printf("Total student: \n");
    scanf("%d",&n);
    printf("The Bangla results are:\n");

    for (i = 1; i < n+1; i++)
    {
        printf("The %dst student result is:\n",i);
        scanf("%f", &result[i]);
    }

    for (i = 1; i < n+1; i++)
    {
        if(result[i]>33)
            count1++;
        else
            count2++;

    }
    printf("Total pass in Bangla is: %d\n",count1);
    printf("Total fail in Bangla is: %d\n\n",count2);

    printf("Press any key to continue...\n\n");
}

void check_english_pass_fail()
{
    system("cls");

    float result[10],greatest;

    int i =0;
    int f=0;
    int n;
    int count1=0,count2=0;
    printf("Total student: \n");
    scanf("%d",&n);
    printf("The English results are:\n");

    for (i = 1; i < n+1; i++)
    {
        printf("The %dst student result is:\n",i);
        scanf("%f", &result[i]);
    }

    for (i = 1; i < n+1; i++)
    {
        if(result[i]>33)
            count1++;
        else
            count2++;

    }


    printf("Total pass in Math is: %d\n",count1);
    printf("Total fail in Math is: %d\n\n",count2);

    printf("Press any key to continue...\n\n");
}


void check_math_pass_fail()
{
    system("cls");

    float result[10],greatest;

    int i =0;
    int f=0;
    int n;
    int count1=0,count2=0;
    printf("Total student: \n");
    scanf("%d",&n);
    printf("The Mathematics results are:\n");

    for (i = 1; i < n+1; i++)
    {
        printf("The %dst student result is:\n",i);
        scanf("%f", &result[i]);
    }

    for (i = 1; i < n+1; i++)
    {
        if(result[i]>33)
            count1++;
        else
            count2++;

    }

    printf("Total pass in Mathematics is: %d\n",count1);
    printf("Total fail in Mathematics is: %d\n\n",count2);

    printf("Press any key to continue...\n\n");
}


void check_social_science_pass_fail()
{
    system("cls");

    float result[10],greatest;

    int i =0;
    int f=0;
    int n;
    int count1=0,count2=0;
    printf("Total student: \n");
    scanf("%d",&n);
    printf("The Social Science results are:\n");

    for (i = 1; i < n+1; i++)
    {
        printf("The %dst student result is:\n",i);
        scanf("%f", &result[i]);
    }

    for (i = 1; i < n+1; i++)
    {
        if(result[i]>33)
            count1++;
        else
            count2++;

    }
    printf("Total pass in Social Science is: %d\n",count1);
    printf("Total fail in Social Science is: %d\n\n",count2);

    printf("Press any key to continue...\n\n");
}

void check_general_science_pass_fail()
{
    system("cls");

    float result[10],greatest;

    int i =0;
    int f=0;
    int n;
    int count1=0,count2=0;
    printf("Total student: \n");
    scanf("%d",&n);
    printf("The General Science results are:\n");

    for (i = 1; i < n+1; i++)
    {
        printf("The %dst student result is:\n",i);
        scanf("%f", &result[i]);
    }

    for (i = 1; i < n+1; i++)
    {
        if(result[i]>33)
            count1++;
        else
            count2++;

    }

    printf("Total pass in General science is: %d\n",count1);
    printf("Total fail in General Science is: %d\n\n",count2);

    printf("Press any key to continue...\n\n");
}