private void btnSelectIssueBook_Click(object sender, EventArgs e)
{
dgvIssueBookList.Enabled = false;
int selectIndex = dgvIssueBookList.CurrentRow.Index;
var issueBookID = dgvIssueBookList.Rows[selectIndex].Cells[0].Value;
var ib = IssueBooksHelper.GetIssueBookByID(Convert.ToInt32(issueBookID));
if (DateTime.Now > ib.DateOfReturn)
{
int day = Convert.ToInt32((DateTime.Now - ib.DateOfReturn).TotalDays);
txtTotalDay.Text = day.ToString();
int fine = Convert.ToInt32(txtFinePerDay.Text);
int totalAmount = day * fine;
txtTotalAmount.Text = totalAmount.ToString();
gbFine.Enabled = true;
}
btnSearchStudent.Enabled = false;
btnSelectIssueBook.Enabled = false;
btnReturnBook.Enabled = true;
btnCancel.Enabled = true;
dgvIssueBookList.Enabled = false;
}
private void FillGridBook(int studentID)
{
dgvIssueBookList.Rows.Clear();
foreach (var issueBook in IssueBooksHelper.GetIssueBookListFromStudentID(studentID))
{
int row = dgvIssueBookList.Rows.Add();
dgvIssueBookList.Rows[row].Cells[0].Value = issueBook.IssueID;
dgvIssueBookList.Rows[row].Cells[1].Value = issueBook.BookID;
dgvIssueBookList.Rows[row].Cells[2].Value = BooksHelper.GetBookNameByID(issueBook.BookID);
dgvIssueBookList.Rows[row].Cells[3].Value = StaffsHelper.GetByNameFromID(issueBook.StaffID);
dgvIssueBookList.Rows[row].Cells[4].Value = issueBook.NoOfCopies;
dgvIssueBookList.Rows[row].Cells[5].Value = issueBook.DateOfIssue.ToString("dd MMMM yyyy");
dgvIssueBookList.Rows[row].Cells[6].Value = issueBook.DateOfReturn.ToString("dd MMMM yyyy");
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);
}
}
