public void OnPost()
{
if (!ModelState.IsValid)
{
// TODO: Show error messages
return;
}
// TODO: If the book has been borrowed for the current period, return an error message
var borrower = this.Context.Borrowers.Find(this.BorrowerId);
int bookId = Convert.ToInt32(this.RouteData.Values["id"]);
var book = this.Context.Books.Find(bookId);
if (borrower == null || book == null)
{
// TODO: ModelState.AddModelError()
return;
}
var borrowedBook = new BorrowersBooks()
{
BookId = book.Id,
BorrowerId = borrower.Id,
StartDate = this.StartDate,
EndDate = this.EndDate
};
this.Context.BorrowedBooks.Add(borrowedBook);
this.Context.SaveChanges();
}
public IActionResult OnPost( )
{
if (ModelState.IsValid)
{
var borrowedBook = new BorrowersBooks()
{
BookId = Id,
BorrowerId = Borrower
};
context.BorrowedBooks.Add(borrowedBook);
this.context.SaveChanges();
}
return(RedirectToPage("/"));
}
public IActionResult OnPost(int id)
{
if (!this.ModelState.IsValid)
{
return(this.Page());
}
var book = this.context
.Books
.FirstOrDefault(b => b.Id == id);
var borrower = this.context
.Borrowers
.FirstOrDefault(b => b.Name == this.BorrowBookModel.Borrower);
var borrowerBook = new BorrowersBooks
{
BookId = book.Id,
BorrowerId = borrower.Id
};
borrower.BorrowedBooks.Add(borrowerBook);
book.Status = "Borrowed";
var bookRecord = new BooksRecords
{
BookId = id,
Record = new Record
{
StartDate = this.BorrowBookModel.StartDate,
EndDate = this.BorrowBookModel.EndDate
}
};
book.Records.Add(bookRecord);
this.context.SaveChanges();
return(this.RedirectToPage("/Index"));
}
public IActionResult OnPost(int id)
{
var book = this.Context.Books
.Include(b => b.Borrowers)
.FirstOrDefault(b => b.Id == id);
var borrower = this.Context.Borrowers.FirstOrDefault(b => b.Id == this.BorrowerId);
if (borrower == null)
{
return(Page());
}
var bookBorrowers = new BorrowersBooks()
{
Book = book,
Borrower = borrower
};
book.Borrowers.Add(bookBorrowers);
borrower.BorrowedBooks.Add(bookBorrowers);
var borrowHistory = new BorrowHistory()
{
Book = book,
Borrower = borrower,
BorrowDate = this.BorrowDate,
ReturnDate = this.ReturnDate
};
this.Context.BorrowHistories.Add(borrowHistory);
book.History.Add(borrowHistory);
book.Status = "Borrowed";
this.Context.SaveChanges();
return(RedirectToPage("/Index"));
}
public IActionResult OnPost(int id)
{
if (ModelState.IsValid)
{
using (var context = new BookLibraryContext())
{
this.Book = context.Books.Find(id);
if (context.Borrowers.Any(b => b.Name == this.Name && b.Address == this.Address))
{
Borrower borrower = context.Borrowers.FirstOrDefault(b => b.Name == this.Name && b.Address == this.Address);
BorrowersBooks borrowersBooks = new BorrowersBooks
{
Book = this.Book,
BookId = this.Book.Id,
BorrowerId = borrower.Id,
Borrower = borrower,
StartDate = this.StartDate,
EndDate = this.EndDate
};
this.Book.Status = "Borrowed";
this.Book.Borrowers.Add(borrowersBooks);
context.Books.Update(this.Book);
context.SaveChanges();
}
else
{
Borrower borrower = new Borrower
{
Name = this.Name,
Address = this.Address
};
context.Borrowers.Add(borrower);
context.SaveChanges();
BorrowersBooks borrowersBooks = new BorrowersBooks
{
Book = this.Book,
BookId = this.Book.Id,
BorrowerId = borrower.Id,
Borrower = borrower,
StartDate = this.StartDate,
EndDate = this.EndDate
};
this.Book.Status = "Borrowed";
this.Book.Borrowers.Add(borrowersBooks);
context.Books.Update(this.Book);
context.SaveChanges();
}
return(RedirectToPage("/Index"));
}
}
return(Page());
}
