public InvoiceItemResponse Create(InvoiceItemViewModel InvoiceItem)
{
InvoiceItemResponse response = new InvoiceItemResponse();
using (SqliteConnection db = new SqliteConnection("Filename=SirmiumERPGFC.db"))
{
db.Open();
SqliteCommand insertCommand = db.CreateCommand();
insertCommand.CommandText = SqlCommandInsertPart;
try
{
insertCommand = AddCreateParameters(insertCommand, InvoiceItem);
insertCommand.ExecuteNonQuery();
}
catch (SqliteException error)
{
MainWindow.ErrorMessage = error.Message;
response.Success = false;
response.Message = error.Message;
return(response);
}
db.Close();
response.Success = true;
return(response);
}
}
public InvoiceItemResponse SetStatusDeleted(Guid identifier)
{
InvoiceItemResponse response = new InvoiceItemResponse();
using (SqliteConnection db = new SqliteConnection("Filename=SirmiumERPGFC.db"))
{
db.Open();
SqliteCommand insertCommand = new SqliteCommand();
insertCommand.Connection = db;
//Use parameterized query to prevent SQL injection attacks
insertCommand.CommandText = "UPDATE InvoiceItems SET ItemStatus = @ItemStatus WHERE Identifier = @Identifier";
insertCommand.Parameters.AddWithValue("@ItemStatus", ItemStatus.Deleted);
insertCommand.Parameters.AddWithValue("@Identifier", identifier);
try
{
insertCommand.ExecuteNonQuery();
}
catch (SqliteException error)
{
MainWindow.ErrorMessage = error.Message;
response.Success = false;
response.Message = error.Message;
return(response);
}
db.Close();
response.Success = true;
return(response);
}
}
public InvoiceItemResponse GetInvoiceItem(Guid identifier)
{
InvoiceItemResponse response = new InvoiceItemResponse();
InvoiceItemViewModel InvoiceItem = new InvoiceItemViewModel();
using (SqliteConnection db = new SqliteConnection("Filename=SirmiumERPGFC.db"))
{
db.Open();
try
{
SqliteCommand selectCommand = new SqliteCommand(
SqlCommandSelectPart +
"FROM InvoiceItems " +
"WHERE Identifier = @Identifier;", db);
selectCommand.Parameters.AddWithValue("@Identifier", identifier);
SqliteDataReader query = selectCommand.ExecuteReader();
if (query.Read())
{
InvoiceItemViewModel dbEntry = Read(query);
InvoiceItem = dbEntry;
}
}
catch (SqliteException error)
{
MainWindow.ErrorMessage = error.Message;
response.Success = false;
response.Message = error.Message;
response.InvoiceItem = new InvoiceItemViewModel();
return(response);
}
db.Close();
}
response.Success = true;
response.InvoiceItem = InvoiceItem;
return(response);
}
