//выдача книги
public void Give_Book(Abonent ab, Book book)
{
int count_abonent = 0;
foreach (Abonent ab1 in abonents)
{
if (ab1.name == ab.name && ab1.telephon_number == ab1.telephon_number)
{
count_abonent++;
}
}
if (count_abonent == 0)
{
Add_Abonent(ab);
}
if (ab.OverdueBooks().Count == 0 && ab.ListBooks().Count < 5 && (ab.has_rare == false || (ab.has_rare == true && book.status_rare == false)))
{
bool hasBook = false;
for (int i = 0; i < books.Count; i++)
{
if (books[i] == book)
{
books.Remove(book);
hasBook = true;
break;
}
}
if (!hasBook)
{
Console.WriteLine("Abonent {0}, no book {1} in library ", ab.name, book.author + " " + book.name);
return;
}
book.abonent = ab;
book.date_issue = DateTime.Now;
//book.date_return = DateTime.Now.AddDays(14);
//book.status_of_issue = true;
ab.books.Add(book);
nb(this, $"Change book status: {book.name} by {book.author} was taken {ab.name}");
if (book.status_rare)
{
ab.has_rare = true;
}
}
else
{
Console.WriteLine("Abonent {0}, return {1} books", ab.name, ab.OverdueBooks().Count > 0 ? "overdue" : "excees");
}
}
public void Add_Abonent(Abonent ab)
{
abonents.Add(ab);
nb(this, "Add new abonent: " + ab.name);
}
public void Return_Book(Abonent ab, Book book)
{
ab.ReturnBook(this, book);
nb(this, $"Change book status: {book.name} by {book.author} is returned to the Library");
}