public void OnPost()
{
if (!this.ModelState.IsValid)
{
// TODO: Show error page
return;
}
// TODO: If the book has been borrowed for the current period, return an error page
var borrower = this.context
.Borrowers
.Find(this.BorrowerId);
var bookId = Convert.ToInt32(this.RouteData.Values["id"]);
var book = this.context.Books.Find(bookId);
if (borrower == null || book == null)
{
// TODO: Add ModelError()
return;
}
var bookBorrower = new BookBorrowers
{
BookId = book.Id,
BorrowerId = borrower.Id,
BorrowDate = this.StartDate,
ReturnDate = this.EndDate
};
this.context.BookBorrowerses.Add(bookBorrower);
this.context.SaveChanges();
}
public async Task DeleteAsync(BookBorrowers bookBorrowers)
{
context.BookBorrowers.Remove(bookBorrowers);
await context.SaveChangesAsync();
}
public async Task UpdateAsync(BookBorrowers bookBorrowers)
{
context.BookBorrowers.Update(bookBorrowers);
await context.SaveChangesAsync();
}
public async Task CreateAsync(BookBorrowers bookBorrowers)
{
await context.BookBorrowers.AddAsync(bookBorrowers);
await context.SaveChangesAsync();
}
