Personal Diary Management System

#include<stdio.h>

#include<stdlib.h>

#include<conio.h>

#include<string.h>


void addrecord();

void viewrecord();

void editrecord();


void deleterecord();


struct record

{

    char time[6];

    char name[30];

    char note[500];

} ;


int main()

{

    int ch;

    printf("\n\n\t**********************\n");

    printf("\t*PERSONAL DIARY*\n");

    printf("\t**************************");


   while(1)


        {

                printf("\n\n\t\tMAIN MENU:");

                printf("\n\n\tADD RECORD\t[1]");

                printf("\n\tVIEW RECORD\t[2]");

                printf("\n\tEDIT RECORD\t[3]");

                printf("\n\tDELETE RECORD\t[4]");

                printf("\n\tEXIT\t\t[5]");

                printf("\n\n\tENTER YOUR CHOICE:");

                scanf("%d",&ch);


            switch(ch)

                    {

                            case 1:

                            addrecord();

                            break;


                            case 2:

                            viewrecord();

                            break;


                            case 3:

                            editrecord();

                            break;


                            case 4:

                            deleterecord();

                            break;


                            case 5:

                            printf("\n\n\t\tTHANK YOU FOR USING THE SOFTWARE BY:\n\n\tShahriar \n\n\tArup\n\n\tProtap\n\n\tShuvo");

                            getch();

                            exit(0);

                    }

                system("cls");

        }

            return 0;

}

void addrecord( )

{

                system("cls");

                FILE *fp ;

                char another = 'Y' ,time[10];

                struct record e ;

                char filename[15];

                int choice;

                printf("\n\n\t\t***************************\n");

                printf("\t\t* WELCOME TO THE ADD MENU *");

                printf("\n\t\t***************************\n\n");

                printf("\n\n\tENTER DATE OF YOUR RECORD:[yyyy-mm-dd]:");

                fflush(stdin);

                gets(filename);

                fp = fopen (filename, "ab+" ) ;

if ( fp == NULL )

                {

                fp=fopen(filename,"wb+");

                if(fp==NULL)

                {

                    printf("\nSYSTEM ERROR...");

                    printf("\nPRESS ANY KEY TO EXIT");

                    getch();

                    return ;

                }

                }



                while ( another == 'Y'|| another=='y' )

                {

                    choice=0;

                    fflush(stdin);

                printf ( "\n\tENTER TIME:[hh:mm]:");

                scanf("%s",time);

                rewind(fp);

                while(fread(&e,sizeof(e),1,fp)==1)

                {

                    if(strcmp(e.time,time)==0)

                    {

                        printf("\n\tTHE RECORD ALREADY EXISTS.\n");

                        choice=1;

                    }

                }

                    if(choice==0)

                    {

                        strcpy(e.time,time);

                        printf("\tENTER NAME:");

                        fflush(stdin);

                        gets(e.name);

                        fflush(stdin);


                        printf("\tNOTE:");

                        gets(e.note);

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

                        printf("\nYOUR RECORD IS ADDED...\n");

                    }

                        printf ( "\n\tADD ANOTHER RECORD...(Y/N) " ) ;

                        fflush ( stdin ) ;

                        another = getchar( ) ;

                }


                fclose ( fp ) ;

                printf("\n\n\tPRESS ANY KEY TO EXIT...");

                getch();

    }


void viewrecord( )

{

        FILE *fpte ;

        system("cls");

        struct record customer ;

        char time[6],choice,filename[14];

        int ch;

        printf("\n\n\t\t*******************************\n");

        printf("\t\t*Welcome to the View Menu*");

        printf("\n\t\t*******************************\n\n");
do

            {

                    printf("\n\tENTER THE DATE OF RECORD TO BE VIEWED:[yyyy-mm-dd]:");

                    fflush(stdin);

                    gets(filename);


                    fpte = fopen ( filename, "rb" ) ;

                    if ( fpte == NULL )

                            {

                                puts ( "\nTHE RECORD DOES NOT EXIST...\n" ) ;

                                printf("PRESS ANY KEY TO EXIT...");

                                getch();

                                return ;

                            }

                            system("cls");

                printf("\n\tHOW WOULD YOU LIKE TO VIEW:\n");

                printf("\n\t1.WHOLE RECORD OF THE DAY.");

                printf("\n\t2.RECORD OF FIX TIME.");

                printf("\n\t\tENTER YOUR CHOICE:");

                scanf("%d",&ch);

                switch(ch)

                {

                    case 1:

                            printf("\nTHE WHOLE RECORD FOR %s IS:",filename);

                         while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )

                         {

                            printf("\n");

                            printf("\nTIME: %s",customer.time);

                            printf("\nMEETING WITH: %s",customer.name);
                            printf("\nNOTE: %s",customer.note);

                            printf("\n");

                         }

                         break;


                    case 2:

                            fflush(stdin);

                            printf("\nENTER TIME:[hh:mm]:");

                            gets(time);

                            while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )


                            {

                                if(strcmp(customer.time,time)==0)

                                {

                                    printf("\nYOUR RECORD IS:");

                                    printf("\nTIME: %s",customer.time);

                                    printf("\nMEETING WITH: %s",customer.name);

                                    printf("\nNOTE: %s",customer.note);

                                }

                            }

                            break;


                    default: printf("\nYOU TYPED SOMETHING ELSE...\n");

                             break;

                }


               printf("\n\nWOULD YOU LIKE TO CONTINUE VIEWING...(Y/N):");

               fflush(stdin);

            scanf("%c",&choice);

        }while(choice=='Y'||choice=='y');

            fclose ( fpte ) ;

            return ;

}



void editrecord()

{

        system("cls");

        FILE *fpte ;

        struct record customer ;

        char time[6],choice,filename[14];

        int num,count=0;

        printf("\n\n\t\t*****************\n");

        printf("\t\t* Edit Menu *");

        printf("\n\t\t*******************\n\n");

        do

            {

                    printf("\n\tENTER THE DATE OF RECORD TO BE EDITED:[yyyy-mm-dd]:");

                    fflush(stdin);

                    gets(filename);

                    printf("\n\tENTER TIME:[hh:mm]:");

                    gets(time);


while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )

{

                        if(strcmp(customer.time,time)==0)

                        {

                            printf("\nYOUR OLD RECORD WAS AS:");

                            printf("\nTIME: %s",customer.time);

                            printf("\nNOTE: %s",customer.note);


                            printf("\n\n\t\tWHAT WOULD YOU LIKE TO EDIT..");

                                printf("\n1.TIME.");

                                printf("\n5.NOTE.");

                                printf("\n6.WHOLE RECORD.");

                                printf("\n7.GO BACK TO MAIN MENU.");

                                do

                                {

                                        printf("\n\tENTER YOUR CHOICE:");

                                        fflush(stdin);

                                        scanf("%d",&num);

                                        fflush(stdin);


                                        switch(num)

                                        {

                                            case 1: printf("\nENTER THE NEW DATA:");

                                                    printf("\nNEW TIME:[hh:mm]:");

                                                    gets(customer.time);

                                                    break;


                                            case 2: printf("\nENTER THE NEW DATA:");

                                                    printf("\nNEW MEETING PERSON:");

                                                    gets(customer.name);

                                                    break;

                                            case 3: printf("ENTER THE NEW DATA:");

                                                    printf("\nNOTE:");

                                                    gets(customer.note);

                                                    break;


                                            case 4:  printf("\nENTER THE NEW DATA:");

                                                     printf("\nNEW TIME:[hh:mm]:");

                                                     gets(customer.time);

                                                     printf("\nNEW MEETING PERSON:");

                                                     gets(customer.name);

                                                     printf("\nNOTE:");

                                                     gets(customer.note);

                                                     break;


                                            case 5: printf("\nPRESS ANY KEY TO GO BACK...\n");

                                                    getch();

                                                    return ;

                                                    break;


                                            default: printf("\nYOU TYPED SOMETHING ELSE...TRY AGAIN\n");

                                                     break;

                                        }


                                }while(num<1||num>8);

                            fseek(fpte,-sizeof(customer),SEEK_CUR);

                            fwrite(&customer,sizeof(customer),1,fpte);

                            fseek(fpte,-sizeof(customer),SEEK_CUR);

                            fread(&customer,sizeof(customer),1,fpte);

                            choice=5;

break;

                        }

                    }

                    if(choice==5)

                    {

                    system("cls");

                    printf("\n\t\tEDITING COMPLETED...\n");

                    printf("--------------------\n");

                    printf("THE NEW RECORD IS:\n");

                    printf("--------------------\n");

                    printf("\nTIME: %s",customer.time);
                    printf("\nNOTE: %s",customer.note);

                    fclose(fpte);

                    printf("\n\n\tWOULD YOU LIKE TO EDIT ANOTHER RECORD.(Y/N)");

                    scanf("%c",&choice);

                    count++;

                    }


            }while(choice=='Y'||choice=='y');

            fclose ( fpte ) ;


            if(count==1)

            printf("\n%d FILE IS EDITED...\n",count);

            else if(count>1)

            printf("\n%d FILES ARE EDITED..\n",count);

            else

            printf("\nNO FILES EDITED...\n");

            printf("\tPRESS ENTER TO EXIT EDITING MENU.");

            getch();

}


void deleterecord( )

{

                system("cls");

                FILE *fp,*fptr ;

                struct record file ;

                char filename[15],another = 'Y' ,time[10];;

                int choice,check;

                printf("\n\n\t\t*************************\n");

                printf("\t\t* WELCOME TO DELETE MENU*");

                printf("\n\t\t*************************\n\n");

while ( another == 'Y' )

                {

                printf("\n\n\tHOW WOULD YOU LIKE TO DELETE.");

                printf("\n\n\t#DELETE WHOLE RECORD\t\t\t[1]");

                printf("\n\t#DELETE A PARTICULAR RECORD BY TIME\t[2]");


                do

                {

                        printf("\n\t\tENTER YOU CHOICE:");

                        scanf("%d",&choice);


                    switch(choice)

                        {

                            case 1:

                            printf("\n\tENTER THE DATE OF RECORD TO BE DELETED:[yyyy-mm-dd]:");

                            fflush(stdin);

                            gets(filename);

                            fp = fopen (filename, "wb" ) ;

                            if ( fp == NULL )



                            fclose(fp);

                            remove(filename);

                            printf("\nDELETED SUCCESFULLY...");

                            break;


                            case 2:

                            printf("\n\tENTER THE DATE OF RECORD:[yyyy-mm-dd]:");

                            fflush(stdin);

                            gets(filename);

                            fp = fopen (filename, "rb" ) ;

                            if ( fp == NULL )

                            {

                                printf("\nTHE FILE DOES NOT EXISTS");

                                printf("\nPRESS ANY KEY TO GO BACK.");

                                getch();

                                return ;

                            }



                            printf("\n\tENTER THE TIME OF RECORD TO BE DELETED:[hh:mm]:");

                            fflush(stdin);

                            gets(time);

                            while(fread(&file,sizeof(file),1,fp)==1)

                            {

                                if(strcmp(file.time,time)!=0)

                                fwrite(&file,sizeof(file),1,fptr);

                            }


                            fclose(fp);

                            fclose(fptr);

                            remove(filename);

                            rename("temp",filename);

                            printf("\nDELETED SUCCESFULLY...");

                            break;


                    default:

                            printf("\n\tYOU ENTERED WRONG CHOICE");

                            break;

                    }

                }while(choice<1||choice>2);



                    printf("\n\tDO YOU LIKE TO DELETE ANOTHER RECORD.(Y/N):");

                    fflush(stdin);

                    scanf("%c",&another);

                }

                printf("\n\n\tPRESS ANY KEY TO EXIT...");

                getch();

}