public void updateSales()
{
string dateToday = DateTime.Today.ToShortDateString();
string convertedDateToday = dateToday.Replace('/', '_');
//MessageBox.Show(convertedDateToday);
for (int i = 0; i < soldItemNames.Length; i++)
{
database.selectQuery("SELECT ProductQty,AvgPrice,TotalDebits FROM Sales_" + convertedDateToday + " WHERE ProductName = '" + soldItemNames[i] + "';");
if (database.numRows > 0)
{
int currentProductQty;
double currentProductAvgPrice;
double currentTotalDebits;
int updatedProductQty;
double updatedProductAvgPrice;
double updatedTotalDebits;
int.TryParse(database.sqlDataTable.Rows[0]["ProductQty"].ToString(), out currentProductQty);
double.TryParse(database.sqlDataTable.Rows[0]["AvgPrice"].ToString(), out currentProductAvgPrice);
double.TryParse(database.sqlDataTable.Rows[0]["TotalDebits"].ToString(), out currentTotalDebits);
updatedProductQty = currentProductQty + int.Parse(soldItemQuantities[i]);
updatedProductAvgPrice = ((double.Parse(soldItemPrices[i]) / double.Parse(soldItemQuantities[i])) + (currentProductAvgPrice)) / 2;
updatedTotalDebits = currentTotalDebits + double.Parse(soldItemPrices[i]);
database.updateQuery("UPDATE Sales_" + convertedDateToday + " SET ProductQty = '" + updatedProductQty + "', " +
"AvgPrice = '" + updatedProductAvgPrice + "', TotalDebits = '" + updatedTotalDebits + "';");
}
else
{
double itemPrice;
double itemQty;
double itemAvgPrice;
double.TryParse(soldItemPrices[i], out itemPrice);
double.TryParse(soldItemQuantities[i], out itemQty);
itemAvgPrice = itemPrice / itemQty;
object[] parameters =
{
soldItemNames[i],
itemQty,
itemAvgPrice,
itemPrice
};
database.insertQuery("INSERT INTO Sales_" + convertedDateToday + "(ProductName,ProductQty,AvgPrice,TotalDebits)" +
" VALUES(@p0,@p1,@p2,@p3)", parameters);
}
}
PrintSuccess.getInstance().gsIsPrintSuccessfull = false;
}
public static PrintSuccess getInstance()
{
if (Instance == null)
{
Instance = new PrintSuccess();
return(Instance);
}
else
{
return(Instance);
}
}
private void printReceipt(object sender, PrintPageEventArgs e)
{
Graphics graphics = e.Graphics;
Font smallFont = new Font("Courier New", 7);
Font mediumFont = new Font("Courier New", 7, FontStyle.Underline);
Font largeFont = new Font("Courier New", 7, FontStyle.Bold);
SolidBrush blackBrush = new SolidBrush(Color.Black);
float fontHeight = smallFont.GetHeight();
StringFormat formater = new StringFormat();
formater.Alignment = StringAlignment.Near;
formater.LineAlignment = StringAlignment.Near;
int startX = 5;
int startY = 5;
float offSet = 30;
graphics.DrawString("Welcome to Trinity Electricals", largeFont, blackBrush, startX, startY);
graphics.DrawString("ITEM".PadRight(13) + "QTY".PadRight(5) + "PRICE".PadRight(6) + "AMOUNT".PadLeft(6), mediumFont, blackBrush, startX, startY + fontHeight + 10, formater);
for (int i = 0; i < itemNames.Length; i++)
{
string name = itemNames[i];
string qty = itemQtys[i];
string price = (double.Parse(itemPrices[i]) / double.Parse(itemQtys[i])).ToString();
string Amount = itemPrices[i];
if (name == string.Empty)
{
break;
}
string fullReceiptLine = name.PadRight(13, '.') + (qty + " X").PadRight(5) + " " + price.PadRight(6);
string amountReceiptLine = ("Ksh. " + Amount).PadLeft(30);
graphics.DrawString(fullReceiptLine, smallFont, blackBrush, startX, startY + offSet, formater);
offSet = offSet + fontHeight + 3;
graphics.DrawString(amountReceiptLine, smallFont, blackBrush, startX, startY + offSet, formater);
offSet = offSet + fontHeight + 3;
StockUpdater.getInstance().updateStock(name, qty);
}
double vat = total * .16;
offSet = offSet + 20;
graphics.DrawString("Sub Total".PadRight(20, '_') + ("Ksh. " + total.ToString()).PadLeft(10, '_'), mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 10;
graphics.DrawString("Paid".PadRight(20, '_') + ("Ksh. " + paid.ToString()).PadLeft(10, '_'), mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 10;
graphics.DrawString("V.A.T".PadRight(20, '_') + ("Ksh. " + vat.ToString()).PadLeft(10, '_'), mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 10;
graphics.DrawString("Balance".PadRight(20, '_') + ("Ksh. " + balance.ToString()).PadLeft(10, '_'), mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 10;
graphics.DrawString("Thank You For Shopping With Us", mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 10;
graphics.DrawString("Served By: " + UserAccessLevel.getInstance().gsCurrentUserName + " ", mediumFont, blackBrush, startX, startY + offSet);
offSet = offSet + 20;
graphics.DrawString("Date: " + System.DateTime.Now.ToLongDateString(), mediumFont, blackBrush, startX, startY + offSet, formater);
PrintSuccess.getInstance().gsIsPrintSuccessfull = true;
}