private void btnPay_Click(object sender, EventArgs e)
{
int selectIndex = dgvFineList.CurrentRow.Index;
var fineID = dgvFineList.Rows[selectIndex].Cells[0].Value;
var f = FinesHelper.GetFinesByID(Convert.ToInt32(fineID));
ep.Clear();
if (txtFinePay.Text.Trim().Length == 0)
{
ep.SetError(txtFinePay, "Fine boş bırakılamaz!");
txtFinePay.Focus();
return;
}
if (Convert.ToInt32(txtFinePay.Text) <= (f.FineAmount + f.RecivedAmount))
{
f.FineAmount -= Convert.ToInt32(txtFinePay.Text);
f.RecivedAmount += Convert.ToInt32(txtFinePay.Text);
if (f.FineAmount == 0)
{
f.Status = 0;
}
FinesHelper.Update(f);
MessageBox.Show("Borç Güncelleme Başarılı.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
FillGridFines();
}
else
{
MessageBox.Show("Girdiğimiz borç miktarı, Bu ID'ye ait öğrencideki kalan borç miktarından fazladır.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void FillGridFines()
{
dgvFineList.Rows.Clear();
foreach (var fine in FinesHelper.GetActiveFinesList())
{
int row = dgvFineList.Rows.Add();
dgvFineList.Rows[row].Cells[0].Value = fine.FineID;
dgvFineList.Rows[row].Cells[1].Value = fine.StudentID;
dgvFineList.Rows[row].Cells[2].Value = fine.BookID;
dgvFineList.Rows[row].Cells[3].Value = BooksHelper.GetBookNameByID(fine.BookID);
dgvFineList.Rows[row].Cells[4].Value = fine.Date.ToString("dd MMMM yyyy");
dgvFineList.Rows[row].Cells[5].Value = fine.FineAmount;
dgvFineList.Rows[row].Cells[6].Value = fine.RecivedAmount;
row++;
}
}
private void btnReturnBook_Click(object sender, EventArgs e)
{
int selectIndex = dgvIssueBookList.CurrentRow.Index;
var issueBookID = dgvIssueBookList.Rows[selectIndex].Cells[0].Value;
var ib = IssueBooksHelper.GetIssueBookByID(Convert.ToInt32(issueBookID));
ib.Status = 0;
IssueBooksHelper.Update(ib);
if (DateTime.Now > ib.DateOfReturn)
{
gbFine.Enabled = true;
Fines f = new Fines();
f.StudentID = ib.StudentID;
f.BookID = ib.BookID;
f.StaffID = _staffID;
f.Date = DateTime.Now;
f.FineAmount = Convert.ToInt32(txtTotalAmount.Text);
f.RecivedAmount = 0;
f.Status = 1;
FinesHelper.Add(f);
}
ReturnBooks rb = new ReturnBooks();
rb.BookID = ib.BookID;
rb.StudentID = ib.StudentID;
rb.StaffID = _staffID;
rb.IssueDate = ib.DateOfIssue;
rb.ReturnDate = ib.DateOfReturn;
rb.Date = DateTime.Now;
ReturnBooksHelper.Add(rb);
Books b = BooksHelper.GetBookByID(ib.BookID);
b.NoOfCopies += 1;
BooksHelper.Update(b);
MessageBox.Show("Kitap iade başarılı!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
DisableComponent();
}
private void btnAddDgv_Click(object sender, EventArgs e)
{
if (btnSearchStudent.Enabled == false && btnSearchBook.Enabled == false)
{
if (FinesHelper.GetFineCount(Convert.ToInt32(txtStudentID.Text)) < 1)
{
if (!IssueBooksHelper.GetHaveBooks(Convert.ToInt32(txtStudentID.Text), Convert.ToInt32(txtBookID.Text)))
{
IssueBooks ib = new IssueBooks();
ib.StudentID = Convert.ToInt32(txtStudentID.Text);
ib.BookID = Convert.ToInt32(txtBookID.Text);
ib.StaffID = _staffID;
ib.NoOfCopies = 1;
ib.DateOfIssue = dtpIssueDate.Value;
ib.DateOfReturn = dtpReturnDate.Value;
ib.Status = 1;
IssueBooksHelper.Add(ib);
var b = BooksHelper.GetBookByID(Convert.ToInt32(txtBookID.Text));
b.NoOfCopies -= 1;
BooksHelper.Update(b);
MessageBox.Show("Kitap kiralama başarılı!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
EnableComponent();
}
else
{
MessageBox.Show("Bir Öğrencinin Aynı Kitabı Birden Fazla Alma İhtimali Yoktur.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Öğrencinin Birden Fazla Ödenmemiş Borcu Olduğundan Kitap Kiralama Olanağı Yoktur.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Lütfen öğrenci ve kitap seçimini yapınız!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
