private void Button1_Click(object sender, EventArgs e)
{
//Approve
if (cmbStatusID.SelectedIndex == 0)
{
int rowIndex = issueRequestGridView.CurrentCell.RowIndex;
DataGridViewRow row = issueRequestGridView.Rows[rowIndex];
int memberID = Convert.ToInt32(row.Cells[1].Value);
int bookID = Convert.ToInt32(row.Cells[3].Value);
int totalCurrentIssues = SelectQueries.CountCurrentIssuedBooks(memberID);
int allowedIssues = SelectQueries.CountMemberIssueLimit(memberID);
//MEMBER IS IN HIS ISSUE LIMIT
if (totalCurrentIssues < allowedIssues)
{
int bookIssueCount = SelectQueries.BookIssuedCount(memberID, bookID, "YES");
int bookIssueLimit = SelectQueries.BookReissueLimitCount(bookID, memberID);
//member is in limit of reissuing current book
if (bookIssueCount < bookIssueLimit)
{
string issueDate = DateTime.Now.Date.ToShortDateString();
string returnDate = issueReturnDate.Value.ToShortDateString();
if (SelectQueries.GetCopiesAvailable(bookID) > 0)
{
InsertQueries.IssueBook(bookID, memberID, issueDate, returnDate, "NO");
UpdateQueries.DecreaseBookQuantitiy(bookID);
UpdateQueries.FinishIssueRequest("APPROVED", Convert.ToInt32(cmbIssueRequestID.SelectedValue.ToString()));
MessageBox.Show("BOOK ISSUED SUCCESSFULLY", "RESULT", MessageBoxButtons.OK, MessageBoxIcon.Information);
ViewIssueRequests();
}
else
{
MessageBox.Show("NO COPIES AVAILABLE IN THE LIBRARY \n " +
"PLEASE WAIT TILL COPIES BECOME AVAILABLE", "REJECTED", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
else
{
MessageBox.Show("REISSUE LIMIT OF THIS PARTICULAR BOOK REACHED \n " +
"CAN NO MORE ISSUE THIS SAME BOOK", "REJECTED", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
else
{
MessageBox.Show("ISSUE LIMIT OF MEMBER REACHED \n " +
"CAN NO MORE ISSUE ANY BOOK", "REJECTED", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
//DECLINED
if (cmbStatusID.SelectedIndex == 1)
{
UpdateQueries.FinishIssueRequest("DECLINED", Convert.ToInt32(cmbIssueRequestID.SelectedValue.ToString()));
ViewIssueRequests();
MessageBox.Show("ISSUE REQUEST DECLINED\n ", "DECLINED", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void Button2_Click(object sender, EventArgs e)
{
double dueAmount = 0;
int rowIndex = returnRequestGridView.CurrentCell.RowIndex;
DataGridViewRow row = returnRequestGridView.Rows[rowIndex];
DateTime returnDate = Convert.ToDateTime(row.Cells[3].Value);
int issueID = Convert.ToInt32(row.Cells[0].Value);
try
{
if (DateTime.Compare(DateTime.Today, returnDate) > 0)
{
if (txtOverdueAmount.Text.Trim() == "")
{
MessageBox.Show("AMOUNT CANNOT BE EMPTY");
}
else
{
dueAmount = Convert.ToDouble(txtOverdueAmount.Text.Trim());
try
{
InsertQueries.InsertIntoOverdue(issueID, dueAmount, cmbPaidStatus.SelectedValue.ToString());
UpdateQueries.FinishReturnRequest(Convert.ToInt32(cmbReturnRequestID.SelectedValue.ToString()));
UpdateQueries.UpdateIssueReturnRequest(issueID);
UpdateQueries.IncreaseBookQuantity(SelectQueries.GetBookidFromIssueId(issueID));
MessageBox.Show("Return request successfully served");
ViewReturnRequests();
}
catch (Exception exc)
{
Console.WriteLine(exc);
}
}
}
else
{
try
{
InsertQueries.InsertIntoReturn(issueID, DateTime.Now.Date.ToShortDateString());
UpdateQueries.FinishReturnRequest(Convert.ToInt32(cmbReturnRequestID.SelectedValue.ToString()));
UpdateQueries.UpdateIssueReturnRequest(issueID);
UpdateQueries.IncreaseBookQuantity(SelectQueries.GetBookidFromIssueId(issueID));
MessageBox.Show("Return request successfully served");
ViewReturnRequests();
}
catch (Exception exc)
{
Console.WriteLine(exc);
}
}
}
catch (Exception ex)
{
MessageBox.Show("Due amount can only be in number");
Console.WriteLine(ex);
}
}
private void Button6_Click(object sender, EventArgs e)
{
int issueID = Convert.ToInt32(cmbIssueID_return.SelectedValue.ToString());
string newDate = newReturnDate.Value.ToShortDateString();
int bookID = SelectQueries.GetBookidFromIssueId(issueID);
int crntIssueReq = SelectQueries.GetBookCountInIssueRequests(bookID);
//Book issue can be extended as no issue requests are there for that book
if (crntIssueReq == 0)
{
UpdateQueries.UpdateReturnDate(issueID, newDate);
string message = "Return Date successfully changed";
MessageBox.Show(message, "DONE", MessageBoxButtons.OK, MessageBoxIcon.Information);
ViewToUpdateReturns();
}
else
{
string message = "Cannot change return date as there is a issue request for same book";
MessageBox.Show(message, "PROBIHATED", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
