/// <summary>
/// Gets all existing Kunden from the Database and adds them to the existingKundenComboBox
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The event args</param>
/// <param name="type">Is false in case of Kunde, is true in case of Kontakt</param>
public static void BindFromExistingKundenToComboBox(object sender, EventArgs e, bool type = false)
{
// check sender for null
if (sender == null)
{
return;
}
List<KundeKontaktTable> results;
// add empty element to make empty choices possible
List<string> listItems = new List<string>();
listItems.Add("");
KundenKontakteLoader loader = new KundenKontakteLoader();
// Create empty Kunden object with type "false"
KundeKontaktTable k = new KundeKontaktTable();
k.Vorname = string.Empty;
k.NachnameFirmenname = string.Empty;
k.Type = type; // only get Kunden or Kontakte
// Load all existing Kunden to object result list
results = loader.LoadKundenKontakte(k, null);
// if there are results, add them to string result list
if (results.Count != 0)
{
foreach (KundeKontaktTable kunde in results)
{
string entry = kunde.ID + ": " + kunde.Vorname + " - " + kunde.NachnameFirmenname;
listItems.Add(entry);
}
}
// set data source
(sender as ComboBox).DataSource = listItems;
}
/// <summary>
/// Reads values of concerning fields and asks business layer to create a new Angebot with the provided parameters
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The event params</param>
private void CreateNewAngebot(object sender, EventArgs e)
{
// reset error/success labels
this.createAngebotMsgLabel.Hide();
this.createAngebotMsgLabel.Text = string.Empty;
// existing or newly to-be-created
bool createKunde = false;
string kundenID = null;
// Table for the Kontakt
KundeKontaktTable k = new KundeKontaktTable();
// new Kunde
if (this.angebotErstellenSubTab.SelectedTab == this.angebotErstellenSubTab.TabPages[0])
{
createKunde = true;
}
// existing Kunde
else
{
// no Kunde chosen or first element chosen (which is empty) -> show error label
if (this.createAngebotExistingKundeComboBox.SelectedIndex <= 0)
{
this.createAngebotMsgLabel.Text = "Error: kein Kunde ausgewählt";
this.createAngebotMsgLabel.ForeColor = Color.Red;
this.createAngebotMsgLabel.Show();
return; // skip rest of function
}
// Kunde chosen - get ID out of ComboBox
else
{
kundenID = this.createAngebotExistingKundeComboBox.SelectedItem.ToString();
kundenID = kundenID.Substring(0, kundenID.IndexOf(':'));
IRule posint = new PositiveIntValidator();
k.ID = DataBindingFramework.BindFromInt(kundenID, "KundenID", this.createAngebotMsgLabel, false, posint);
// Check for errors while databinding
if (posint.HasErrors)
{
this.logger.Log(Logger.Level.Error, k.ID + " is an invalid Kunden ID");
return;
}
// get Kunde table out of Database
KundenKontakteLoader loader = new KundenKontakteLoader();
List<KundeKontaktTable> results = loader.LoadKundenKontakte(k.ID, false);
// there must be exactly one result, for ID is unique!
if (results.Count != 1)
{
this.logger.Log(Logger.Level.Error, "More than one Kunde returned - impossible, because ID is unique!");
this.createAngebotMsgLabel.Text = "Error: Datenbank inkonsistent!";
this.createAngebotMsgLabel.Visible = true;
return; // skip rest of function
}
// everything went fine
k = results[0];
}
}
// Create new Kunde, if requested
if (createKunde)
{
// define Rules
IRule lhv = new LettersHyphenValidator();
IRule lnhsv = new LettersNumbersHyphenSpaceValidator();
IRule slv = new StringLength150Validator();
// validate data
k.Vorname = DataBindingFramework.BindFromString(this.createAngebotNewKundeVnTextBox.Text, "Vorname", this.createAngebotMsgLabel, true, lhv, slv);
k.NachnameFirmenname = DataBindingFramework.BindFromString(this.createAngebotNewKundeNnTextBox.Text, "Nachname", this.createAngebotMsgLabel, false, lnhsv, slv);
k.Type = false; // Kunde
if (lhv.HasErrors || lnhsv.HasErrors || slv.HasErrors)
{
this.logger.Log(Logger.Level.Error, "Invalid signs within create Angebot / create Kunde");
return;
}
KundenKontakteSaver saver = new KundenKontakteSaver();
try
{
k.ID = saver.SaveNewKundeKontakt(k, this.createAngebotMsgLabel);
}
catch (InvalidInputException ex)
{
this.logger.Log(Logger.Level.Error, ex.Message + ex.StackTrace);
this.createAngebotMsgLabel.Text = "Error: Kundenfelder ungültig!";
this.createAngebotMsgLabel.Visible = true;
return;
}
catch (SQLiteException ex)
{
this.logger.Log(Logger.Level.Error, ex.Message + ex.StackTrace);
this.createAngebotMsgLabel.Text = "Error: Datenbankproblem!";
this.createAngebotMsgLabel.Visible = true;
return;
}
this.createAngebotMsgLabel.Text = "Kunde wurde gespeichert.";
}
// Create Angebot business object
this.logger.Log(Logger.Level.Info, "Start creating new Angebot...");
// define Rules
IRule pdv2 = new PositiveDoubleValidator();
IRule pcv2 = new PercentValidator();
IRule dv2 = new DateValidator();
IRule lnhsv2 = new LettersNumbersHyphenSpaceValidator();
IRule slv2 = new StringLength150Validator();
IRule piv2 = new PositiveIntValidator();
AngebotTable angebot = new AngebotTable();
angebot.Angebotssumme = DataBindingFramework.BindFromDouble(this.createAngebotAngebotssummeTextBox.Text, "Angebotssumme", this.createAngebotMsgLabel, false, pdv2);
angebot.Umsetzungschance = DataBindingFramework.BindFromInt(this.createAngebotUmsetzungswahrscheinlichkeitTextBox.Text, "Umsetzungschance", this.createAngebotMsgLabel, false, pcv2);
angebot.Angebotsdauer = DataBindingFramework.BindFromString(this.angebotValidUntilDateTimePicker.Value.ToShortDateString(), "GültigBis", this.createAngebotMsgLabel, false, dv2);
angebot.Beschreibung = DataBindingFramework.BindFromString(this.createAngebotDescriptionTextBox.Text, "Beschreibung", this.createAngebotMsgLabel, false, lnhsv2, slv2);
angebot.KundenID = DataBindingFramework.BindFromInt(k.ID.ToString(), "kundenID", this.createAngebotMsgLabel, false, piv2);
angebot.Erstellungsdatum = DateTime.Now.ToShortDateString();
// in case of errors in Databinding
if (createAngebotMsgLabel.Visible)
{
this.logger.Log(Logger.Level.Error, "No angebot has been saved because of invalid inputs.");
//createAngebotMsgLabel.ForeColor = Color.Red;
//createAngebotMsgLabel.Show();
return;
}
// send Angebot object to database
try
{
AngebotManager manager = new AngebotManager();
manager.Create(angebot, createAngebotMsgLabel);
}
catch (InvalidInputException ex)
{
this.logger.Log(Logger.Level.Error, ex.Message + ex.StackTrace);
this.createAngebotMsgLabel.Text += "\nError: " + ex.Message;
this.createAngebotMsgLabel.Show();
}
catch (SQLiteException ex)
{
this.logger.Log(Logger.Level.Error, ex.Message + ex.StackTrace);
this.createAngebotMsgLabel.Text += "\nError: " + ex.Message;
this.createAngebotMsgLabel.Show();
}
// show success message, if no error has been thrown
if (!createAngebotMsgLabel.Visible)
{
this.createAngebotMsgLabel.Text += "\nAngebot wurde gespeichert.";
this.createAngebotMsgLabel.ForeColor = Color.Green;
this.createAngebotMsgLabel.Show();
}
}
/// <summary>
/// Gets Kunden or Kontakte out of the database (over the business layer, which checks for valid input)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SearchKundenOrKontakte(object sender, EventArgs e)
{
// hide error message
this.HideMsgLabels();
// define rules
IRule lhv = new LettersHyphenValidator();
IRule lnhsv = new LettersNumbersHyphenSpaceValidator();
IRule slv = new StringLength150Validator();
KundeKontaktTable k = new KundeKontaktTable();
k.Vorname = DataBindingFramework.BindFromString(this.searchKundeVornameTextBlock.Text, "Vorname", this.searchKundeMsgLabel, true, lhv, slv);
k.NachnameFirmenname = DataBindingFramework.BindFromString(this.searchKundeNachnameTextBlock.Text, "Nachname", this.searchKundeMsgLabel, true, lnhsv, slv);
k.Type = this.searchKontaktRadioButton.Checked; // False...Kunde, true...Kontakt
KundenKontakteLoader loader = new KundenKontakteLoader();
// only if binding had no errors
if (!this.searchKundeMsgLabel.Visible)
{
List<KundeKontaktTable> results;
results = loader.LoadKundenKontakte(k, this.searchKundeMsgLabel);
this.kundenSuchenBindingSource.DataSource = results;
}
this.BindToKundenSearchLabels(this.kundenSearchDataGridView, null);
}
