private void TextBoxProductCountSell_TextChanged(object sender, EventArgs e)
{
try
{
if (TextBoxProductCountSell.Text != "")
{
SellBO objSellBO = new SellBO();
objSellBO.ProductName = ComboBoxProductNameSell.Text;
objSellBO.TypeName = ComboBoxProductTypeSell.Text;
objSellBO.ProductCount = Convert.ToInt32(TextBoxProductCountSell.Text);
SellBL objSellBL = new SellBL();
decimal Price = objSellBL.CalculatePriceBL(objSellBO);
string PriceStr = Price.ToString("0.##");
TextBoxTotalPrice.Text = PriceStr;
}
else
{
TextBoxTotalPrice.Text = "";
}
}
catch (Exception ex)
{
throw ex;
}
}
public bool SellProductBL(SellBO objSellBO)
{
SellDA objSellDA = new SellDA();
int ProductID = objSellDA.GetProductID(objSellBO.ProductName);
TypeDA objTypeDA = new TypeDA();
int OldTypeCount = objTypeDA.GetOldTypeCount(objSellBO.TypeName, ProductID);
Constants.RemainingProduct = OldTypeCount;
if (OldTypeCount < objSellBO.ProductCount)
{
return(false);
}
int NewTypeCount = OldTypeCount - objSellBO.ProductCount;
objTypeDA.DecreaseFromStock(objSellBO.TypeName, ProductID, NewTypeCount);
decimal Price = objSellDA.GetPriceOfProduct(objSellBO, ProductID);
objSellBO.ProductPrice = Price * objSellBO.ProductCount;
objSellDA.SellProductDA(objSellBO);
decimal oldLoan = objSellDA.GetOldLoan(objSellBO);
decimal newLoan = oldLoan + objSellBO.ProductPrice;
objSellDA.AddLoanDA(objSellBO, newLoan);
return(true);
}
public decimal CalculatePriceBL(SellBO objSellBO)
{
SellDA objSellDA = new SellDA();
int ProductID = objSellDA.GetProductID(objSellBO.ProductName);
decimal Price = objSellDA.GetPriceOfProduct(objSellBO, ProductID);
objSellBO.ProductPrice = Price * objSellBO.ProductCount;
return(objSellBO.ProductPrice);
}
public void AddLoanDA(SellBO objSellBO, decimal newLoan)
{
DbConnection objDbConnection = DbConnection.GetInstance();
SqlConnection con = objDbConnection.GetConnection();
con.Open();
SqlCommand cmd = new SqlCommand("Update dbo.Costumer Set CostumerTotal=@CostumerTotal Where CostumerName=@CostumerName", con);
cmd.Parameters.Add(new SqlParameter("@CostumerName", objSellBO.CustomerName));
cmd.Parameters.Add(new SqlParameter("@CostumerTotal", newLoan));
cmd.ExecuteNonQuery();
}
public void SellProductDA(SellBO objSellBO)
{
DbConnection objDbConnection = DbConnection.GetInstance();
SqlConnection con = objDbConnection.GetConnection();
con.Open();
SqlCommand cmd = new SqlCommand("Insert Into dbo.Sell (CustomerName,ProductName,TypeName,ProductCount,ProductPrice,SellDate) Values (@CostumerName,@ProductName,@TypeName,@ProductCount,@ProductPrice,@SellDate)", con);
cmd.Parameters.Add(new SqlParameter("@CostumerName", objSellBO.CustomerName));
cmd.Parameters.Add(new SqlParameter("@ProductName", objSellBO.ProductName));
cmd.Parameters.Add(new SqlParameter("@TypeName", objSellBO.TypeName));
cmd.Parameters.Add(new SqlParameter("@ProductCount", objSellBO.ProductCount));
cmd.Parameters.Add(new SqlParameter("@ProductPrice", objSellBO.ProductPrice));
cmd.Parameters.Add(new SqlParameter("@SellDate", objSellBO.SellDate));
cmd.ExecuteNonQuery();
}
public bool PayLoanDA(SellBO objSellBO, decimal payment)
{
SellDA objSellDA = new SellDA();
CostumerDA objCostumerDA = new CostumerDA();
decimal oldLoan = objSellDA.GetOldLoan(objSellBO);
decimal newLoan = 0;
if (oldLoan < payment)
{
return(false);
}
else
{
newLoan = oldLoan - payment;
objCostumerDA.PayLoanDA(objSellBO, newLoan);
return(true);
}
}
public decimal GetOldLoan(SellBO objSellBO)
{
DbConnection objDbConnection = DbConnection.GetInstance();
SqlConnection con = objDbConnection.GetConnection();
con.Open();
SqlCommand cmd = new SqlCommand("Select CostumerTotal From dbo.Costumer Where CostumerName=@CostumerName", con);
cmd.Parameters.Add(new SqlParameter("@CostumerName", objSellBO.CustomerName));
SqlDataReader dr = cmd.ExecuteReader();
decimal oldLoan = 0;
if (dr.Read())
{
oldLoan = dr.GetDecimal(0);
}
return(oldLoan);
}
private void ButtonSell_Click(object sender, EventArgs e)
{
try
{
if (TextBoxProductCountSell.Text != "")
{
SellBO objSellBO = new SellBO();
objSellBO.CustomerName = ComboBoxCompanyNameSell.Text;
objSellBO.ProductName = ComboBoxProductNameSell.Text;
objSellBO.TypeName = ComboBoxProductTypeSell.Text;
objSellBO.ProductCount = Convert.ToInt32(TextBoxProductCountSell.Text);
string Date = DateTimePicker.Value.ToString("dd/MM/yyyy");
objSellBO.SellDate = Convert.ToDateTime(Date);
SellBL objSellBL = new SellBL();
bool Sold = objSellBL.SellProductBL(objSellBO);
if (Sold == true)
{
MessageBox.Show("Satış başarı ile gerçekleştirilmiştir");
TextBoxProductCountSell.Clear();
ComboBoxCompanyNameSell.SelectedIndex = 0;
ComboBoxProductNameSell.SelectedIndex = 0;
DateTimePicker.Value = DateTime.Today;
PopulateGridViewSell();
}
else
{
MessageBox.Show("Seçilen ürün için yeterli stoğunuz bulunmamaktadır. Kalan ürün sayısı: " + Constants.RemainingProduct);
}
}
else
{
MessageBox.Show("Lütfen satış adedi giriniz");
}
}
catch (Exception ex)
{
throw ex;
}
}
public decimal GetPriceOfProduct(SellBO objSellBO, int ProductID)
{
DbConnection objDbConnection = DbConnection.GetInstance();
SqlConnection con = objDbConnection.GetConnection();
con.Open();
SqlCommand cmd = new SqlCommand("Select TypePrice From dbo.Type Where TypeName=@TypeName And ProductID=@ProductID", con);
cmd.Parameters.Add(new SqlParameter("@TypeName", objSellBO.TypeName));
cmd.Parameters.Add(new SqlParameter("@ProductID", ProductID));
SqlDataReader dr = cmd.ExecuteReader();
decimal Price = 0;
if (dr.Read())
{
Price = dr.GetDecimal(0);
}
return(Price);
}
private void ButtonPayLoan_Click(object sender, EventArgs e)
{
SellBL objSellBL = new SellBL();
SellBO objSellBO = new SellBO();
objSellBO.CustomerName = Constants.CompanyNameCustomerHistory;
bool payed = objSellBL.PayLoanDA(objSellBO, Convert.ToDecimal(TextBoxPayment.Text));
if (payed == false)
{
MessageBox.Show("Borçtan daha fazla ödeme yapılamaz");
}
else
{
MessageBox.Show("Ödeme Gerçekleşti");
string decStr = objSellBL.GetTotalLoanBL().ToString("0.##");
TextBoxTotalLoan.Text = decStr;
TextBoxPayment.Text = "";
}
}
