Farmer's Sacco

#include<stdio.h>
#include<string.h>
struct date{
    int day;
    int month;
    int years;
}dt;
struct members{
    char name[30];
    int id;
    char depart[30];
    struct date dt;
    float marks;
}member1,member2[];
FILE * fptr;
int i = 0;

void record(){
    //GETTING TRANSACTION
    printf("\nRECORD MEMBER INFORMATION\n");
    printf("National ID:");
    scanf("%d",&member1.id);
    printf("Name: ");
    scanf("%s",member1.name);
    printf("DATE OF BIRTH\n");
    printf("DAY: ");
    scanf("%d",&member1.dt.day);
    printf("MONTH: ");
    scanf("%d",&member1.dt.month);
    printf("YEAR: ");
    scanf("%d",&member1.dt.years);
    printf("Amount: ");
    scanf("%f",&member1.marks);
    printf("Address: ");
    scanf("%s",member1.depart);
    //SAVING INTO FILE
    fptr = fopen("members.txt","a+");
    fprintf(fptr,"%d\t%s\t%d\t%d\t%d\t%f\t%s",member1.id,member1.name,member1.dt.day,member1.dt.month,member1.dt.years,member1.marks,member1.depart);
    fprintf(fptr,"\n");
}

void displaying()
{
    char ch;
    int idd,d,m,y;
    float mark;
    char nam[50],dep[50];
    fptr = fopen("members.txt","r");
    if(fptr != NULL)
    {
        while(!feof(fptr))
        {
            fscanf(fptr,"%d\t%s\t%d\t%d\t%d\t%f\t%s",&idd,nam,&d,&m,&y,&mark,dep);
            printf("%d\t%s\t%d-%d-%d\t%f\t%s\n",idd,nam,d,m,y,mark,dep);
        }
    }
    else
    {
        printf("\nINFORMATION NOT EXIST!!!!\n");
    }
}

void sorting(){
    int idd,d,m,y;
    float mark;
    char nam[50],dep[50];
    fptr = fopen("members.txt","r");
    if(fptr != NULL)
    {
        while(!feof(fptr))
        {
            fscanf(fptr,"%d\t%s\t%d\t%d\t%d\t%f\t%s",&idd,nam,&d,&m,&y,&mark,dep);
            member2[i].id=idd;
            strcpy(member2[i].name,nam);
            member2[i].dt.day=d;
            member2[i].dt.month=m;
            member2[i].dt.years=y;
            member2[i].marks = mark;
            strcpy(member2[i].depart,dep);
            i++;
        }
        //SWAPPING DISPLAY
        int j,k,tid,td,tm,ty,tmark;
        char swapn[50],swappd[50];
        for(j = 0;j<i;j++)
        {
            for(k = j+1;k<i;k++)
            {
                if(member2[j].marks<member2[k].marks)
                {
                    //SWAPPING NAME
                    strcpy(swapn,member2[j].name);
                    strcpy(member2[j].name,member2[k].name);
                    strcpy(member2[k].name,swapn);
                    //SWAPPING ID
                    tid = member2[j].id;
                    member2[j].id = member2[k].id;
                    member2[k].id = tid;
                    //SWAPPING DAY
                    td = member2[j].dt.day;
                    member2[j].dt.day = member2[k].dt.day;
                    member2[k].dt.day = td;
                    //SWAPPING MONTH
                    tm = member2[j].dt.month;
                    member2[j].dt.month = member2[k].dt.month;
                    member2[k].dt.month = tm;
                    //SWAPPING YEAR
                    ty = member2[j].dt.years;
                    member2[j].dt.years = member2[k].dt.years;
                    member2[k].dt.years = ty;
                    //SWAPPING MARKS
                    tmark = member2[j].marks;
                    member2[j].marks = member2[k].marks;
                    member2[k].marks = ty;
                }
            }

        }
        for(j = 0; j<i;j++)//displaying ARRAY OF STRUCTURE
        {
            printf("%d\t%s\t%d-%d-%d\t%f\t%s\n",member2[j].id,member2[j].name,member2[j].dt.day,member2[j].dt.month,member2[j].dt.years,member2[j].marks,member2[j].depart);
        }
        fclose(fptr);
    }

    else
    {
        printf("\nINFORMATION NOT EXIST!!!!\n");
    }
}

void display_date(){
    int dD,mD,yD,count,d,m,y,idd;
    float mark,averg = 0;
    char nam[50],dep[50];
    printf("\nENTER DAY: ");
    scanf("%d",&dD);
    printf("ENTER Month: ");
    scanf("%d",&mD);
    printf("ENTER Year: ");
    scanf("%d",&yD);
    fptr = fopen("members.txt","r");
    while(!feof(fptr))
    {
        fscanf(fptr,"%d\t%s\t%d\t%d\t%d\t%f\t%s",&idd,nam,&d,&m,&y,&mark,dep);
        if(dD==d&&mD==m&&yD==y)
        {
            printf("%d\t%s\t%d-%d-%d\t%f\t%s\n",idd,nam,d,m,y,mark,dep);
            averg = averg + mark;
        }
    }
    printf("\nAVERAGE MARKS ON THAT DATE: %f",averg);
}

void display_by_department(){
    char dept[50];
    char nam[50],dep[50];
    int dD,mD,yD,count,d,m,y,idd,countt=0;
    float mark,averg = 0;
    printf("\nEnter your addressi: ");
    scanf("%s",dept);
    fptr = fopen("members.txt","r");
    while(!feof(fptr))
    {
        fscanf(fptr,"%d\t%s\t%d\t%d\t%d\t%f\t%s",&idd,nam,&d,&m,&y,&mark,dep);
        if(strcmp(dept,dep)==0)
        {
            printf("%d\t%s\t%d-%d-%d\t%f\t%s\n",idd,nam,d,m,y,mark,dep);
            averg = averg + mark;
            countt++;
        }
    }
    printf("\nAVERAGE MARKS ON THAT DATE: %f",averg/countt);

}

void menu() {
    int ch,chr;
    printf("\n\n\t\t\t\tWelcome to Farmer's Sacco!");
    printf("\n\n\n");

    printf("\t\t\t------------------------------------------------\n");
    printf("\t\t\t| Press any number  make to choice             |\n");
    printf("\t\t\t| 1. RECORD                                    |\n");
    printf("\t\t\t| 4. DISPLAY BY DATE                           |\n");
    printf("\t\t\t| 5. DISPLAY BY ADDRESS                        |\n");
    printf("\t\t\t------------------------------------------------\n");
    printf("MAKE CHOICE: ");
    scanf("%d",&ch);
    switch(ch)
    {
        case 1:
            do{
                record();
                printf("Enter |1| to record Again |other| key to Exit: ");
                scanf("%d",&chr);
            }while(chr ==1);
            break;
        case 2:
            displaying;
            break;
        case 3:
            sorting();
            break;
        case 4:
            display_date();
            break;
        case 5:
            display_by_department();
            break;
        default:
            printf("INVALID ENTRY\n");
    }
}

void main(){
    int ch;
    do{
        menu();
        printf("\nPRESS |1| for MENU |other| to end the program:");
        scanf("%d",&ch);
    }while(ch == 1);
}