public static Methods getBook()
{
Methods mm = new BookOparation();
return(mm);
}
static void Main(string[] args)
{
Console.WriteLine("welcome to honey library...");
Console.WriteLine("press 1 to stop the transuction");
Console.WriteLine("press 0 to continue the ");
int choice = Int32.Parse(Console.ReadLine());
while (choice == 0)
{
BookOparation rv = new BookOparation();
//book
//student
//issue or return or remove
Console.WriteLine("Press 1 for add a book...:");
Console.WriteLine("press 2 for display the NO>OF books present in the library");
Console.WriteLine("press 3 for search books you are added....");
Console.WriteLine("press 4 for renew the book...:");
Console.WriteLine("press 5 for add student information...:");
Console.WriteLine("press 6 for search for the issued booksthe book...:");
Console.WriteLine("press 7 for display the students...:");
Console.WriteLine("press 8 for remove a student information...:");
Console.WriteLine("press 9 for issue a book.....");
Console.WriteLine("press 10 for Return the book....");
Console.WriteLine("press 11 for Remove the book......insert added Book information .");
Console.WriteLine("press 12 to display the issue books ");
// for take the details from user...
String a = Console.ReadLine();
Int32 num = Convert.ToInt32(a);
if (num == 1)
{
Console.WriteLine("enter book title...");
String bookname = Console.ReadLine();
Console.WriteLine("enter author name");
string author = Console.ReadLine();
Book book = new Book(bookname, author);
int abcd = rv.AddBook(book);
Console.WriteLine("your book id is...." + abcd);
}
else if (num == 2)
{
List <Book> display = rv.DisplayBooks();
foreach (Book book in BookOparation.bookList)
{
Console.WriteLine(book.Bookid + " || " + book.Bookname + " || " + book.Author);
}
}
else if (num == 3)
{
Console.WriteLine("enter book name...");
String bookname = Console.ReadLine();
rv.SearchBook(bookname);
}
else if (num == 4)
{
Console.WriteLine("enter student id....");
int sid = int.Parse(Console.ReadLine());
Console.WriteLine("enter book id ....");
int bid = int.Parse(Console.ReadLine());
DateTime issueDate = (DateTime.Now);
DateTime returnDate = (issueDate.AddDays(15));
bool status = rv.RenewBook(sid, bid);
if (status == true)
{
Console.WriteLine($"book is renwealed you have to submit on {DateTime.Now.AddDays(15)}");
}
else
{
Console.WriteLine("sorry unable to process...");
}
}
else if (num == 5)
{
Console.WriteLine("enter year of joining of the student ");
int yoj = int.Parse(Console.ReadLine());
//yoj is reffered as year of joining
if ((yoj >= 2020) && (yoj <= 2024))
{
Console.WriteLine("enter student id number...");
int Studentid = int.Parse(Console.ReadLine());
Console.WriteLine("enter student name...");
String studentname = Console.ReadLine();
int yop = yoj + 4; //yop is nothing but year of passed out ....
Student student = new Student(Studentid, studentname, yop);
String students = rv.AddStudent(student);
Console.WriteLine(students);
}
else
{
Console.WriteLine("sorry unable to process .....");
Console.WriteLine("enter valid year of joining in between 2020 to 2024....");
Console.WriteLine();
Console.WriteLine();
}
}
else if (num == 6)
{
Console.WriteLine("enter student id....");
int sid = int.Parse(Console.ReadLine());
Console.WriteLine("enter book id ....");
int bid = int.Parse(Console.ReadLine());
rv.IssueABook(sid, bid);
}
else if (num == 7)
{
List <Student> students = rv.getAllStudents();
if (students != null)
{
foreach (Student student in students)
{
Console.WriteLine(student.Studentid + " " + student.Studentname);
}
}
else
{
Console.WriteLine("No students");
}
}
else if (num == 8)
{
Console.WriteLine("enter student id.....");
int studentid = int.Parse(Console.ReadLine());
bool statement = rv.RemoveStudent(studentid);
Console.WriteLine(statement);
}
else if (num == 9)
{
Console.WriteLine("enter student id....");
int sid = int.Parse(Console.ReadLine());
Console.WriteLine("enter book id ....");
int bid = int.Parse(Console.ReadLine());
bool print = rv.IssueABook(sid, bid);
if (print == true)
{
Console.WriteLine($"book is issued to {sid}");
}
else
{
Console.WriteLine("Student id not matching with bookid...");
}
}
else if (num == 10)
{
Console.WriteLine("enter book id....");
int bookid = int.Parse(Console.ReadLine());
Console.WriteLine("enter student id......");
int studentid = int.Parse(Console.ReadLine());
bool status = rv.ReturnBook(bookid, studentid);
if (status == true)
{
Console.WriteLine("thanks for submission ");
}
else
{
Console.WriteLine("Student id not matching with bookid.....");
}
}
else if (num == 11)
{
Console.WriteLine("enter book id...");
int bid = int.Parse(Console.ReadLine());
bool status = rv.RemoveBook(bid);
if (status == true)
{
Console.WriteLine("book is removed");
}
else
{
Console.WriteLine("book is not removed...");
}
}
else if (num == 12)
{
List <IssueBook> display = rv.DisplayIssuedBooks();
foreach (IssueBook issue in display)
{
Console.WriteLine(issue);
}
}
}
}
