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DTB#10.CPP
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#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<fstream.h>
#include<string.h>
#include<stdlib.h>
class data //CLASS DATA
{
char id[35],pwd[20],name[35];
int s_no;
public:
static int count;
void input()
{
cout<<"Enter name\n";
gets(name);
cout<<"Enter User ID\n";
cin>>id;
cout<<"Enter Password\n";
cin>>pwd;
s_no=++count;
}
void display()
{
cout<<"User#"<<s_no
<<"\nName - "<<name
<<"\nID - "<<id
<<"\nPassword - "<<pwd<<endl;
}
void getid(char org[])
{
strcpy(org,id);
}
void getpwd(char pass[])
{
strcpy(pass,pwd);
}
} ;
int data::count=0;
void u_interface(data d);
void main();
void inbox(data d);
void compose(data d);
void sent(data d);
void add_book(data d);
void checkid(data d);
void checkrid(data d,char ID[35]);
class message //CLASS MESSAGE
{
char s_id[35],r_id[35],sub[40],msg[80];
public:
void getS_ID(char s[])
{
strcpy(s,s_id);
}
void getR_ID(char s[])
{
strcpy(s,r_id);
}
void get_sub(char s[])
{
strcpy(s,sub);
}
void send_message (data d)
{
d.getid(s_id);
cout<<"TO - ";
cin>>r_id;
cout<<"\nSubject:- ";
gets(sub);
cout<<"\nMessage-\n";
gets(msg);
}
void read_message()
{
clrscr();
cout<<"TO -"<<r_id;
cout<<"\nFrom - "<<s_id;
cout<<"\nSubject:- "<<sub;
cout<<"\n\nMessage\n"<<msg<<endl;
}
};
class relation //CLASS RELATION(ADDRESS BOOK)
{
char s_id[35],r_id[20];
public:
void relationN(char a[],char b[])
{
strcpy(s_id,a);
strcpy(r_id,b);
}
void S_id(char a[])
{
strcpy(a,s_id);
}
void R_id(char a[])
{
strcpy(a,r_id);
}
};
void checkid(data d) //Check Id
{
data d1;
char id[35],n_id[35];
d.getid(n_id);
fstream f("USER_DETIALS.DAT", ios::binary| ios::in);
while(f.read((char*)&d1,sizeof(d1)))
{
d1.getid(id);
if(strcmp(id,n_id)==0)
{
cout<<" USER ID not available \n";
cout<<"PRESS ANY KEY TO GOTO MAIN PAGE\n";
getch();
main();
}
}
}
void checkrid(data d,char n_ID[35]) //CHECK Rid
{
data d1;
char id[35];
int flag=0;
fstream f("USER_DETIALS.DAT", ios::binary| ios::in);
while(f.read((char*)&d1,sizeof(d1)))
{
d1.getid(id);
if(strcmp(id,n_ID)==0)
flag=1;
}
if(flag==0)
{
cout<<"\4 USER ID DOSEN'T EXIST \4\n";
cout<<"PRESS ANY KEY TO GOTO USER INTERFACE\n";
getch();
u_interface(d);
}
}
void u_interface(data d) //UI
{
clrscr();
int i;
cout<<"USER INTERFACE\n\n1:Inbox\n2:Sent\n3:Compose\n4:View adddress book \n5:Log Out\n\nEnter choice : ";
cin>>i;
switch (i)
{
case 1 :inbox(d);
break;
case 2 :sent(d);
break;
case 3 :compose(d);
break;
case 4 :add_book(d);
break;
case 5 :clrscr();
cout<<"\t\t\t\t LOGGED OUT";
getch();
main();
break;
default :cout<<"Wrong Input\n";u_interface(d);
break;
}
getch();
}
void add_book(data d) //ADDBOOK
{
clrscr();
cout<<"\t\t\t\t ADDRESS BOOK\n";
int i=0,c=1;
relation r,r1;
char id[35];
d.getid(id);
char s_id[35],r_id[35];
fstream f("BOOK.DAT" , ios::binary | ios::in);
while(f.read((char*)&r,sizeof(r)))
{
r.S_id(s_id);
r.R_id(r_id);
if (strcmp(id,s_id)==0)
{
cout<<"\n"<<c<<"\t"<<r_id;
i++;
c++;
}
else if(strcmp(id,r_id)==0)
{
cout<<"\n"<<c<<"\t"<<s_id;
i++;
c++;
}
}
if(i==0)
{
cout<<"NO RECORDS PRESENT";
}
cout<<"\n\nPRESS ANY KEY TO RETURN TO USER INTERFACE\n";
getch();
u_interface(d);
}
void inbox(data d) //INBOX
{
d.display();
message m;
clrscr();
int i=1;
cout<<"INBOX\n\n";
fstream f("Mailbox.dat",ios::binary|ios::in);
while(f.read((char*)&m,sizeof(m)))
{
char r[35],id[35];
m.getR_ID(r);
d.getid(id);
if(strcmp(r,id)==0)
{
char p[35];
cout<<i<<"\t";
m.getS_ID(p);
cout<<p<<"\t";
m.get_sub(p);
cout<<p;
cout<<endl;
i++;
}
}
f.close();
if(i==1)
cout<<"EMPTY INBOX\n";
else
{
f.open("Mailbox.dat", ios::binary|ios::in);
int j;
cout<<"\nEnter message number you want to view\n";
cin>>j;
i=1;
char r[35],id[35];
while(f.read((char*)&m,sizeof(m))&&i<=j)
{
m.getR_ID(r);
d.getid(id);
if(strcmp(r,id)==0)
{
if (i==j)
m.read_message();
i++;
}
}
}
cout<<"\nEnter Choice\n1)Inbox\n2)User Interface\n";
cin>>i;
switch(i)
{
case 1:inbox(d);
break;
case 2:u_interface(d);
break;
default :cout<<"Wrong input\n";
}
getch();
}
void compose(data d) //COMPOSE
{
clrscr();
int i;
char r_id[35];
message m;
cout<<"\t\t\t\t COMPOSE\n\n\n";
m.send_message(d);
m.getR_ID(r_id);
cout<<"\n1)Send\t2)Cancel\n";
cin>>i;
if(i==1)
{
checkrid(d,r_id);
fstream obj;
obj.open("Mailbox.dat",ios::binary|ios::app);
obj.write((char*)&m,sizeof(m));
obj.close();
cout<<"\nMail Sent\nPress any key to return to home screen\n";
getch();
int ch=0;
relation r;
char id[35];
d.getid(id);
fstream f2("BOOK.DAT" , ios::binary | ios::in);
char s[35],re[35];
while(f2.read((char*)&r,sizeof(r)))
{
r.S_id(s);
r.R_id(re);
if(strcmp(id,s)==0 || strcmp(id,re)==0)
{
ch++;
break;
}
}
f2.close();
if(ch==0)
{
char s_id[35];
d.getid(s_id);
fstream f1("BOOK.DAT" , ios::binary|ios::app);
r.relationN(s_id,r_id);
f1.write((char*)&r,sizeof(r));
f1.close();
}
}
u_interface(d);
}
void sent(data d) //SENT
{
int i=1;
message m;
clrscr();
cout<<"SENT\n\n";
fstream f("Mailbox.DAT",ios::binary | ios::in);
char s[35],id[35];
while(f.read((char*)&m,sizeof(m)))
{
m.getS_ID(s);
d.getid(id);
if(strcmp(s,id)==0)
{
char p[35];
cout<<i<<"\t";
m.getR_ID(p);
cout<<p<<"\t";
m.get_sub(p);
cout<<p;
cout<<endl;
i++;
}
}
f.close();
if(i==1)
cout<<"No Message Sent\n";
else
{
f.open("Mailbox.DAT", ios::binary|ios::in);
int j;
cout<<"\nEnter message number you want to view\n";
cin>>j;
i=1;
char s[35],id[35];
while(f.read((char*)&m,sizeof(m))&&i<=j)
{
m.getS_ID(s);
d.getid(id);
if(strcmp(s,id)==0)
{
if (i==j)
m.read_message();
i++;
}
}
}
cout<<"\nEnter Choice\n1)SENT\n2)User Interface\n";
int ch;
cin>>ch;
switch(ch)
{
case 1:sent(d);
break;
case 2:u_interface(d);
break;
default :cout<<"Wrong input\n";
}
f.close();
getch();
}
void log_in() //LOG IN
{
clrscr();
data d ;
int e=1;
char ID[35],P[20];
do
{
if(e!=1)
{cout<<"\nWrong ID or Password\n";
cout<<"\nTRY NO:- "<<e<<endl;
}
cout<<"Enter User ID\n";
cin>>ID;
cout<<"Enter Password \n";
cin>>P;
fstream f("User_Details.dat",ios::binary|ios::in);
while(f.read((char*)&d,sizeof(d)))
{
char org[35],pass[20];
d.getid(org);
d.getpwd(pass);
if(strcmp(ID,org)==0 && strcmp(pass,P)==0)
{
cout<<"\nLog In Successful\nPress any key to proceed";
getch();
u_interface(d);
}
}
e++;
}while(e<=3);
cout<<"\nWrong ID or Password\nPress any key to return to main menu\n";
getch();
main();
}
void sign_up() //SIGN IN
{
clrscr();
fstream obj;
obj.open("User_Details.dat",ios::binary|ios::app);
char ch;
data d;
cout<<"REGISTER\n\n";
d.input();
checkid(d);
obj.write((char*)&d,sizeof(d));
obj.close();
cout<<"\nRegistration Successful\nPress any key to return to main menu\n";
getch();
main();
}
void main() //MAIN
{
int i;
clrscr();
cout<<"Welcome to DIGITALKS\n\nEnter Choice\n";
cout<<"1)Sign Up\n2)Log In\n3)Exit\n\n";
cin>>i;
switch(i)
{
case 1:sign_up();
break;
case 2:log_in();
break;
case 3:exit(0);
break;
default :cout<<"Wrong Input\n";
break;
}
getch();
}