#include #include #include #include #include #include using namespace std; class Lib { public: char bookname[100],auname[50],sc[20],sc1[50]; int q,B,p; Lib() { strcpy(bookname,"NO Book Name"); strcpy(auname,"No Author Name"); strcpy(sc,"No Book ID"); strcpy(sc1,"No Book ID"); q=0; B=0; p=0; } void get(); void student(); void pass(); void librarian(); void password(); void getdata(); void show(int); void booklist(int); void modify(); void see(int); int branch(int); void issue(); void der(char[],int,int); void fine(int,int,int,int,int,int); }; void Lib::getdata() { int i; fflush(stdin); cout<<"\n\t\tEnter the details :-\n"; cout<<"\n\t\tEnter Book's Name : "; cin.getline(bookname,100); for(i=0;bookname[i]!='\0';i++) { if(bookname[i]>='a'&&bookname[i]<='z') bookname[i]-=32; } cout<<"\n\t\tEnter Author's Name : "; cin.getline(auname,50); cout<<"\n\t\tEnter Publication name : "; cin.getline(sc1,50); cout<<"\n\t\tEnter Book's ID : "; cin.getline(sc,20); cout<<"\n\t\tEnter Book's Prise : "; cin>>p; cout<<"\n\t\tEnter Book's Quantity : "; cin>>q; } void Lib::show(int i) { cout<<"\n\t\tBook Name : "<Please Choose one option :-\n"; cout<<"\n\t\t1.Modification In Current Books\n\n\t\t2.Add New Book\n\n\t\t3.Delete A Book\n\n\t\t4.Go back\n"; cout<<"\n\n\t\tEnter your choice : "; cin>>i; if(i==1) { system("cls"); b=branch(2); ifstream intf1("Booksdata.txt",ios::binary); if(!intf1) { cout<<"\n\t\tFile Not Found\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } intf1.close(); system("cls"); cout<<"\n\t\tPlease Choose One Option :-\n"; cout<<"\n\t\t1.Search By Book Name\n\n\t\t2.Search By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); cout<<"\n\t\tEnter Book Name : "; cin.getline(st1,100); system("cls"); fstream intf("Booksdata.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&bookname[i]!='\0'&&st1[i]!='\0'&&(st1[i]==bookname[i]||st1[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&st1[i]=='\0') { cont++; getdata(); intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,100); system("cls"); fstream intf("Booksdata.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); if(sc[i]=='\0'&&st1[i]=='\0') { cont++; getdata(); intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else { cout<<"\n\t\tIncorrect Input.....:(\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } if(cont==0) { cout<<"\n\t\tBook Not Found.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } else cout<<"\n\t\tUpdate Successful.\n"; } else if(i==2) { system("cls"); B=branch(2); system("cls"); getdata(); ofstream outf("Booksdata.txt",ios::app|ios::binary); outf.write((char*)this,sizeof(*this)); outf.close(); cout<<"\n\t\tBook added Successfully.\n"; } else if(i==3) { system("cls"); b=branch(2); ifstream intf1("Booksdata.txt",ios::binary); if(!intf1) { cout<<"\n\t\tFile Not Found\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } intf1.close(); system("cls"); cout<<"\n\t\tPlease Choose One Option for deletion:-\n"; cout<<"\n\t\t1.By Book Name\n\n\t\t2.By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); cout<<"\n\t\tEnter Book Name : "; cin.getline(st1,100); ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("Booksdata.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&bookname[i]!='\0'&&st1[i]!='\0'&&(st1[i]==bookname[i]||st1[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&st1[i]=='\0') { cont++; intf.read((char*)this,sizeof(*this)); } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); remove("Booksdata.txt"); rename("temp.txt","Booksdata.txt"); } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,100); ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("Booksdata.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); if(sc[i]=='\0'&&st1[i]=='\0') { cont++; intf.read((char*)this,sizeof(*this)); } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); getch(); remove("Booksdata.txt"); rename("temp.txt","Booksdata.txt"); } else { cout<<"\n\t\tIncorrect Input.....:(\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } if(cont==0) { cout<<"\n\t\tBook Not Found.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } else cout<<"\n\t\tDeletion Successful.\n"; } else if(i==4) { system("cls"); librarian(); } else { cout<<"\n\t\tWrong Input.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } int Lib::branch(int x) { int i; cout<<"\n\t\t->Please Choose one Branch :-\n"; cout<<"\n\t\t1.CSE\n\n\t\t2.EE\n\n\t\t3.EC\n\n\t\t4.CIVIL\n\n\t\t5.MECHANICAL\n\n\t\t6.1ST YEAR\n\n\t\t7.Go to menu\n"; cout<<"\n\t\tEnter youur choice : "; cin>>i; switch(i) { case 1: return 1; break; case 2: return 2; break; case 3: return 3; break; case 4: return 4; break; case 5: return 5; break; case 6: return 6; break; case 7: system("cls"); if(x==1) student(); else librarian(); default : cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); branch(x); } } void Lib::see(int x) { int i,b,cont=0; char ch[100]; system("cls"); b=branch(x); ifstream intf("Booksdata.txt",ios::binary); if(!intf) { cout<<"\n\t\tFile Not Found.\n"; cout<<"\n\t\t->Press any key to continue....."; getch(); system("cls"); if(x==1) student(); else librarian(); } system("cls"); cout<<"\n\t\tPlease Choose one option :-\n"; cout<<"\n\t\t1.Search By Name\n\n\t\t2.Search By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); intf.read((char*)this,sizeof(*this)); if(i==1) { cout<<"\n\t\tEnter Book's Name : "; cin.getline(ch,100); system("cls"); while(!intf.eof()) { for(i=0;b==B&&bookname[i]!='\0'&&ch[i]!='\0'&&(ch[i]==bookname[i]||ch[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&ch[i]=='\0') { cout<<"\n\t\tBook Found :-\n"; show(x); cont++; break; } intf.read((char*)this,sizeof(*this)); } } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(ch,100); system("cls"); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&ch[i]!='\0'&&ch[i]==sc[i];i++); if(sc[i]=='\0'&&ch[i]=='\0') { cout<<"\n\t\tBook Found :-\n"; show(x); cont++; break; } intf.read((char*)this,sizeof(*this)); } } else { cont++; cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); see(x); } intf.close(); if(cont==0) cout<<"\n\t\tThis Book is not available :( \n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); if(x==1) student(); else librarian(); } void Lib::issue() { char st[20],st1[20]; int b,i,j,d,m,y,dd,mm,yy,cont=0; system("cls"); cout<<"\n\t\t->Please Choose one option :-\n"; cout<<"\n\t\t1.Issue Book\n\n\t\t2.View Issued Book\n\n\t\t3.Reissue Book\n\n\t\t4.Return Book\n\n\t\t5.Go back to menu\n\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book Name : "; cin.getline(bookname,100); cout<<"\n\t\tEnter Book's ID : "; cin.getline(sc,20); strcpy(st,sc); der(st,b,1); cout<<"\n\t\tEnter Student Name : "; cin.getline(auname,100); cout<<"\n\t\tEnter Student's ID : "; cin.getline(sc1,20); cout<<"\n\t\tEnter date : "; cin>>q>>B>>p; ofstream outf("student.txt",ios::binary|ios::app); outf.write((char*)this,sizeof(*this)); outf.close(); cout<<"\n\n\t\tIssue Successfully.\n"; } else if(i==2) { ifstream intf("student.txt",ios::binary); system("cls"); cout<<"\n\t\t->The Details are :-\n"; intf.read((char*)this,sizeof(*this)); i=0; while(!intf.eof()) { i++; cout<<"\n\t\t********** "<Please Enter Details :-\n"; cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,20); cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); fstream intf("student.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0') { d=q; m=B; y=p; cout<<"\n\t\tEnter New Date : "; cin>>q>>B>>p; fine(d,m,y,q,B,p); intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); cout<<"\n\n\t\tReissue successfully."; break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==4) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); der(st1,b,2); cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,20); cout<<"\n\t\tEnter Present date : "; cin>>d>>m>>y; ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("student.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0'&&cont==0) { cont++; intf.read((char*)this,sizeof(*this)); fine(q,B,p,d,m,y); cout<<"\n\t\tReturned successfully."; } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); getch(); remove("student.txt"); rename("temp.txt","student.txt"); } else if(i==5) { system("cls"); librarian(); } else cout<<"\n\t\tWrong Input.\n"; cout<<"\n\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } void Lib::fine(int d,int m,int y,int dd,int mm,int yy) { long int n1,n2; int years,l,i; const int monthDays[12] = {31, 28, 31, 30, 31, 30,31, 31, 30, 31, 30, 31}; n1 = y*365 + d; for (i=0; i0) cout<<"\n\t\tThe Total Fine is : "<Please Choose one option for login :-\n"; cout<<"\n\t\t1.Student\n\n\t\t2.Librarian\n\n\t\t3.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; if(i==1) { system("cls"); student(); } else if(i==2) pass(); else if(i==3) exit(0); else { cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); get(); } } void Lib::student() { int i; cout<<"\t###############* WELCOME STUDENT *###############\n"; cout<<"\n\t\t->Please Choose one option:-\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Go to main menu\n\n\t\t4.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; if(i==1) booklist(1); else if(i==2) see(1); else if(i==3) { system("cls"); get(); } else if(i==4) exit(0); else { cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); student(); } } void Lib::pass() { int i=0; char ch,st[21],ch1[21]={"pass"}; cout<<"\n\t\tEnter Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream inf("password.txt"); inf>>ch1; inf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); librarian(); } else { cout<<"\n\n\t\tWrong Password.\n\n\t\ttry again.....\n"; getch(); system("cls"); get(); } } void Lib::librarian() { int i; cout<<"\t###############* WELCOME LIBRARIAN *###############\n"; cout<<"\n\t\t->Please Choose one option:-\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Modify Book\n\n\t\t4.Issue Book\n\n\t\t5.Go to main menu\n\n\t\t6.Change Password\n\n\t\t7.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; switch(i) { case 1:booklist(2); break; case 2:see(2); break; case 3:modify(); break; case 4:issue(); break; case 5:system("cls"); get(); break; case 6:password(); break; case 7:exit(0); default:cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); librarian(); } } void Lib::password() { int i=0,j=0; char ch,st[21],ch1[21]={"pass"}; system("cls"); cout<<"\n\n\t\tEnter Old Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream intf("password.txt"); intf>>ch1; intf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); cout<<"\n\t**The Password Should be less than 20 characters & don't use spaces**\n\n"; cout<<"\n\t\tEnter New Password : "; fflush(stdin); i=0; while(1) { j++; ch=getch(); if(ch==13) { for(i=0;st[i]!=' '&&st[i]!='\0';i++); if(j>20 || st[i]==' ') { cout<<"\n\n\t\tYou did't follow the instruction \n\n\t\tPress any key for try again....."; getch(); system("cls"); password(); librarian(); } st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ofstream outf("password.txt"); outf<>i; if(i==1) { system("cls"); password(); } else { system("cls"); librarian(); } } } int main() { Lib obj; Lib obj1; obj.get(); getch(); return 0; }

library management system by mohit the coder