public Cancellation(int cancellationId, User user, Article article, int count, DateTime created)
{
this.cancellationId = cancellationId;
this.user = user;
this.article = article;
this.count = count;
this.created = created;
}
public void Add(Article article, int count)
{
if (this.Contains(article))
{
foreach (ArticleCount art in container)
{
if (art.Article.ArticleID == article.ArticleID)
art.Count += count;
}
}
else
{
this.container.Add(new ArticleCount(article, count));
}
OnCartChanged(this, new CartChangedEventArgs(article, CartChangedEventArgs.Reason.Add));
}
public CartChangedEventArgs(Article article, Reason action)
{
this.Article = article;
this.Action = action;
}
public static string GetArticleButtonDesignXml(Article article)
{
string definition = "";
try
{
SqlConnection connection = new SqlConnection(ConnectionString);
SqlCommand cmd = new SqlCommand("SELECT Definition FROM ButtonDesign WHERE ArticleID = " + article.ArticleID, connection);
connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
definition = reader["Definition"].ToString();
}
connection.Close();
}
catch (Exception ex)
{
string errmsg = "Fehler beim Abrufen des Buttondesigns des Artikels '" + article.Name + "'.\n\n";
errmsg += "DatabaseHandler.GetArticleButtonDesignXml(article): " + ex.ToString();
throw new Exception(errmsg);
}
return definition;
}
public static void SaveArticle(Article article)
{
try
{
string query = "UPDATE [Article] SET ";
query += "Name = '" + article.Name + "',";
query += "Price = " + article.Price.ToString().Replace(",", ".") + ",";
query += "DoPrint = '" + article.DoPrint.ToString() + "',";
query += "IsEnabled = '" + article.IsEnabled.ToString() + "',";
query += "IsVisible = '" + article.IsVisible.ToString() + "',";
query += "ProfileID = " + article.ProfileID + ",";
query += "DepositID = " + (article.Deposit == null ? "-1" : article.Deposit.DepositID.ToString()) + ",";
query += "Position = " + article.Position + ",";
query += "IsDeleted = '" + article.IsDeleted.ToString() + "' ";
query += "WHERE ArticleID = " + article.ArticleID;
SqlConnection connection = new SqlConnection(ConnectionString);
SqlCommand cmd = new SqlCommand(query, connection);
connection.Open();
cmd.ExecuteNonQuery();
connection.Close();
}
catch (SqlException ex)
{
foreach (SqlError err in ex.Errors)
{
switch (err.Number)
{
case SqllErrorNumbers.DupKey: throw new Exception("Diese Daten werden bereits verwendet.");
}
}
}
catch (Exception ex)
{
string errmsg = "Fehler beim Speichern des Artikels.\n\n";
errmsg += "DatabaseHandler.SaveArticle(article): " + ex.ToString();
throw new Exception(errmsg);
}
}
public static Article GetArticle(int articleId)
{
Article a = null;
try
{
SqlConnection connection = new SqlConnection(ConnectionString);
SqlCommand cmd = new SqlCommand("SELECT * FROM Article WHERE ArticleID = " + articleId, connection);
connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
a = new Article();
a.ArticleID = Convert.ToInt32(reader["ArticleID"]);
a.ProfileID = Convert.ToInt32(reader["ProfileID"]);
a.Name = reader["Name"].ToString();
a.Price = Convert.ToDouble(reader["Price"]);
a.DoPrint = Convert.ToBoolean(reader["DoPrint"]);
a.IsEnabled = Convert.ToBoolean(reader["IsEnabled"]);
a.IsVisible = Convert.ToBoolean(reader["IsVisible"]);
a.Deposit = GetDeposit(GetArticleDepositID(a.ArticleID));
a.Position = Convert.ToInt32(reader["Position"]);
a.Created = Convert.ToDateTime(reader["Created"]);
}
connection.Close();
}
catch (Exception ex)
{
string errmsg = "Fehler beim Abrufen des Artikels.\n\n";
errmsg += "DatabaseHandler.GetArticle(articleId): " + ex.ToString();
throw new Exception(errmsg);
}
if (a == null)
throw new Exception("Es existiert kein Artikel mit den angegebenen Kriterien (" + articleId + ")\n\nDatabaseHandler.GetArticle(profileID, articlename)");
return a;
}
private static ObservableCollection<Article> GetArticles(int profileID, bool includeDeleted = false)
{
ObservableCollection<Article> articles = new ObservableCollection<Article>();
try
{
SqlConnection connection = new SqlConnection(ConnectionString);
SqlCommand cmd = new SqlCommand("SELECT * FROM Article WHERE ProfileID = " + profileID + (includeDeleted ? "" : " AND IsDeleted = 'False'"), connection);
connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
Article tmp = new Article();
tmp.ArticleID = Convert.ToInt32(reader["ArticleID"]);
tmp.ProfileID = Convert.ToInt32(reader["ProfileID"]);
tmp.Name = reader["Name"].ToString();
tmp.Price = Convert.ToDouble(reader["Price"]);
tmp.DoPrint = Convert.ToBoolean(reader["DoPrint"]);
tmp.IsEnabled = Convert.ToBoolean(reader["IsEnabled"]);
tmp.IsVisible = Convert.ToBoolean(reader["IsVisible"]);
tmp.Deposit = GetDeposit(GetArticleDepositID(tmp.ArticleID));
tmp.Created = Convert.ToDateTime(reader["Created"]);
tmp.Position = Convert.ToInt32(reader["Position"]);
articles.Add(tmp);
}
connection.Close();
}
catch (Exception ex)
{
string errmsg = "Fehler beim Abrufen der Artikel.\n\n";
errmsg += "DatabaseHandler.GetArticles(profileID): " + ex.ToString();
throw new Exception(errmsg);
}
return articles;
}
public ArticleCount this[Article article]
{
get
{
int counter = 0;
foreach (ArticleCount ac in container)
{
if (article.ArticleID == ac.Article.ArticleID)
return ac;
counter++;
}
throw new Exception("Artikel ist nicht enthalten");
}
}
public void Add(Article article)
{
Add(article, 1);
}
public void Decrement(Article article)
{
foreach (ArticleCount a in container)
{
if (a.Article.ArticleID == article.ArticleID)
{
a.Count--;
OnCartChanged(this, new CartChangedEventArgs(article, CartChangedEventArgs.Reason.Decrement));
return;
}
}
}
public bool Remove(Article article)
{
foreach (ArticleCount a in container)
if (a.Article.ArticleID == article.ArticleID)
{
container.Remove(a);
OnCartChanged(this, new CartChangedEventArgs(article, CartChangedEventArgs.Reason.Remove));
return true;
}
return false;
}
public bool Contains(Article article)
{
foreach (ArticleCount a in container)
if (a.Article.ArticleID == article.ArticleID)
{
return true;
}
return false;
}
public ArticleCount(Article article, int count)
: this(article)
{
this.Count = count;
}
public ArticleCount(Article article)
{
this.Article = article;
this.Count = 1;
this.PropertyChanged += ArticleCount_PropertyChanged;
}
