private void returnBookButton_Click(object sender, EventArgs e)
{
var returnBookForm = new ReturnBookForm();
DialogResult dialogResult = returnBookForm.ShowDialog(this);
if (dialogResult == DialogResult.Cancel)
{
return;
}
int readerId = returnBookForm.SelectedReader.Id;
var bookCopyInDealRepository = new BookCopyInDealRepository();
BookCopyInDeal bookCopyInDeal;
var p = returnBookForm.booksDataGridView.SelectedRows;
for (int i = 0; i < p.Count; i++)
{
bookCopyInDeal = bookCopyInDealRepository.FindById((int)p[i].Cells[0].Value);
bookCopyInDeal.ActualDateOfReturning = DateTime.UtcNow;
bookCopyInDealRepository.Update(bookCopyInDeal);
}
SetDataGridView();
_db.SaveChanges();
}
private void SetDataGridView(int readerId)
{
var bookCopyInDealRepository = new BookCopyInDealRepository();
booksDataGridView.DataSource = bookCopyInDealRepository.GetReadingBookCopiesByReaderId(readerId)
.OrderBy(bcd => bcd.Id)
.Select(bcd => new
{
bcd.Id,
bcd.BookCopyId,
bcd.BookCopy.BookId,
bcd.BookCopy.Book.Name,
Authors = SetAuthor(bcd.BookCopy.Book.Id),
bcd.DealId,
ReaderId = bcd.Deal.ReaderId,
ReaderName = $"{bcd.Deal.Reader.Name} {bcd.Deal.Reader.Surname}",
bcd.RequiredDateOfReturning
}).ToList();
}
private void addDealButton_Click(object sender, EventArgs e)
{
var addDealForm = new AddDealForm();
DialogResult dialogResult = addDealForm.ShowDialog(this);
if (dialogResult == DialogResult.Cancel)
{
return;
}
int readerId = addDealForm.SelectedReader.Id;
var dealRepository = new DealRepository();
var bookCopyInDealRepository = new BookCopyInDealRepository();
BookCopyInDeal bookCopyInDeal;
var bookCopyRepository = new BookCopyRepository();
Deal deal = new Deal
{
LibrarianId = _librarianId,
ReaderId = readerId,
Date = DateTime.UtcNow
};
dealRepository.Create(deal);
var p = addDealForm.booksDataGridView.SelectedRows;
for (int i = 0; i < p.Count; i++)
{
bookCopyInDeal = new BookCopyInDeal
{
DealId = deal.Id,
BookCopyId = bookCopyRepository.GetAvailableBookCopiesByBookId((int)p[i].Cells[0].Value)[0].Id,
RequiredDateOfReturning = DateTime.UtcNow.AddDays((int)addDealForm.daysNumericUpDown.Value)
};
bookCopyInDealRepository.Create(bookCopyInDeal);
}
}
public void deleteButton_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count > 0)
{
int index = dataGridView1.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView1[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
var readerRepository = new ReaderRepository();
var dealRepository = new DealRepository();
var bookCopyInDealRepository = new BookCopyInDealRepository();
List <Deal> deals = dealRepository.GetDealsByReaderId(id);
List <BookCopyInDeal> bookCopyInDeals = bookCopyInDealRepository.GetBookCopiesInDealByReaderId(id);
for (int i = 0; i < bookCopyInDeals.Count; i++)
{
bookCopyInDealRepository.Remove(bookCopyInDeals[i].Id);
}
for (int i = 0; i < deals.Count; i++)
{
dealRepository.Remove(deals[i].Id);
}
readerRepository.Remove(id);
_db.SaveChanges();
SetDataGridView();
MessageBox.Show("Объект удален");
}
}