private SimplePOS.Article.RegularArticle getArticleByNumberCore(string number, IObjectContainer db)
{
SimplePOS.Article.RegularArticle query = new SimplePOS.Article.RegularArticle(number);
IObjectSet result = db.QueryByExample(query);
if (result.Count > 0)
{
return((SimplePOS.Article.RegularArticle)result[0]);
}
else
{
return(null);
}
}
public SimplePOS.Article.RegularArticle GetArticleByNumber(string number)
{
SimplePOS.Article.RegularArticle retval = null;
using (IObjectContainer db = Db4oEmbedded.OpenFile(DB_FILNAME))
{
try
{
retval = getArticleByNumberCore(number, db);
}
finally
{
db.Close();
}
}
return(retval);
}
public void SaveArticle(SimplePOS.Article.RegularArticle article)
{
using (IObjectContainer db = Db4oEmbedded.OpenFile(DB_FILNAME))
{
try
{
if (getArticleByNumberCore(article.Number, db) != null)
{
// alte Artikel Löschen
deleteArticleByNumberCore(article.Number, db);
}
db.Store(article);
}
finally
{
db.Close();
}
}
}
// Speichern Button
private void button1_Click(object sender, RoutedEventArgs e)
{
// Check for article number
if (textBox1.Text == "")
{
MessageBox.Show("Bitte eine Artikel Nr. eingeben.", "",
MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
// build article
double price = 0;
double tax = 0;
try { price = Double.Parse(textBox3.Text); }
catch
{
MessageBox.Show("Fehlerhafte Preisangabe!", "",
MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
if (comboBox1.SelectedIndex == 0)
{
tax = Preferences.PreferenceManager.TAX_1;
}
else if (comboBox1.SelectedIndex == 1)
{
tax = Preferences.PreferenceManager.TAX_2;
}
string name = textBox2.Text;
if (name == "")
{
name = textBox1.Text;
}
RegularArticle article = new RegularArticle
(textBox1.Text, name, textBox4.Text, price, tax);
// save to database
db.SaveArticle(article);
db.AddItemToStock(new SimplePOS.Inventory.SaveableStockItem(article.number, 0));
this.Close();
}
public ArticleView(ISposDb db, RegularArticle article)
: this(db)
{
textBox1.Text = article.Number;
textBox1.IsEnabled = false;
textBox2.Text = article.Name;
if (article.Name.Length != 0 && article.Price != 0)
{
textBox3.Text = string.Format("{0:0.00}", article.Price);
}
textBox4.Text = article.Text;
double tax = article.Tax;
if (article.Tax == Preferences.PreferenceManager.TAX_1)
{
comboBox1.SelectedIndex = 0;
}
else if (article.Tax == Preferences.PreferenceManager.TAX_2)
{
comboBox1.SelectedIndex = 1;
}
//textBox5.Text = article.Tax.ToString(); translater klasse (enum?)
}
public List <SimplePOS.Article.RegularArticle> GetAllArticles()
{
List <SimplePOS.Article.RegularArticle> retval = null;
using (IObjectContainer db = Db4oEmbedded.OpenFile(DB_FILNAME))
{
try
{
retval = new List <SimplePOS.Article.RegularArticle>();
SimplePOS.Article.RegularArticle query = new SimplePOS.Article.RegularArticle();
IObjectSet result = db.QueryByExample(query);
foreach (Object item in result)
{
retval.Add((SimplePOS.Article.RegularArticle)item);
}
}
finally
{
db.Close();
}
}
return(retval);
}
public void SaveArticle(SimplePOS.Article.RegularArticle article)
{
mutex.WaitOne();
connection.Open();
using (SQLiteCommand command = new SQLiteCommand(connection))
{
//delete old article
command.CommandText = "DELETE FROM article WHERE item_id LIKE ?;";
command.Parameters.Add(new SQLiteParameter("item_id", article.Number));
command.ExecuteNonQuery();
command.Parameters.Clear();
command.CommandText = "INSERT INTO article (item_id, item_name, " +
"item_text, price, tax) VALUES (?,?,?,?,?);";
command.Parameters.Add(new SQLiteParameter("item_id", article.Number));
command.Parameters.Add(new SQLiteParameter("item_name", article.Name));
command.Parameters.Add(new SQLiteParameter("item_text", article.Text));
command.Parameters.Add(new SQLiteParameter("price", article.Price));
command.Parameters.Add(new SQLiteParameter("tax", article.Tax));
command.ExecuteNonQuery();
}
connection.Close();
mutex.Release();
}
public SimplePOS.Article.RegularArticle GetArticleByNumber(string number)
{
mutex.WaitOne();
SimplePOS.Article.RegularArticle retval = null;
connection.Open();
using (SQLiteCommand command = new SQLiteCommand(connection))
{
command.CommandText = "SELECT item_id, item_name, item_text, price, tax " +
"FROM article WHERE item_id LIKE ? ORDER BY item_id LIMIT 1;";
command.Parameters.Add(new SQLiteParameter("item_id", number));
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
retval = new SimplePOS.Article.RegularArticle(reader[0].ToString(),
reader[1].ToString(), reader[2].ToString(), (double)reader[3],
(double)reader[4]);
}
reader.Close();
}
connection.Close();
mutex.Release();
return(retval);
}