/// <summary>
/// Creates a new Angebot with the provided parameters and saves it in the SQLite-DB
/// </summary>
/// <param name="angebot">The business object with all needed data</param>
public void CreateAngebot(AngebotTable angebot)
{
string sql = "INSERT INTO Angebot (kundenID, Angebotssumme, Angebotsdauer, Erstellungsdatum, Umsetzung, Beschreibung) VALUES (?, ?, ?, ?, ?, ?)";
try
{
this.SendStatementToDatabase(sql, -1, angebot.KundenID, angebot.Angebotssumme, angebot.Angebotsdauer, angebot.Erstellungsdatum, angebot.Umsetzungschance, angebot.Beschreibung);
}
catch (SQLiteException)
{
this.logger.Log(Logger.Level.Error, "An SQLite exception occured while saving a new Angebot within the SQLite database.");
throw;
}
this.logger.Log(Logger.Level.Info, "New Angebot has been stored within the SQLite database.");
}
/// <summary>
/// Gets values from the GUI, validates them and then sends them to the database to create a new Angebot
/// </summary>
public void Create(AngebotTable angebot, Label errorlabel)
{
IRule doubv = new PositiveDoubleValidator();
IRule intv = new PositiveIntValidator();
IRule datev = new DateValidator();
IRule lengthv = new StringLength150Validator();
IRule percv = new PercentValidator();
IRule lnhsv = new LettersNumbersHyphenSpaceValidator();
IRule lhv = new LettersHyphenValidator();
DataBindingFramework.BindFromDouble(angebot.Angebotssumme.ToString(), "Angebotssumme", errorlabel, false, doubv);
DataBindingFramework.BindFromInt(angebot.Umsetzungschance.ToString(), "Umsetzungschance", errorlabel, false, percv);
DataBindingFramework.BindFromString(angebot.Angebotsdauer, "GültigBis", errorlabel, false, datev);
DataBindingFramework.BindFromString(angebot.Beschreibung, "Beschreibung", errorlabel, false, lnhsv, lengthv);
DataBindingFramework.BindFromInt(angebot.KundenID.ToString(), "kundenID", errorlabel, false, intv);
DataBindingFramework.BindFromString(angebot.Erstellungsdatum, "Erstellungsdatum", errorlabel, false, datev);
// change date formats
angebot.Angebotsdauer = GlobalActions.ParseToSQLiteDateString(angebot.Angebotsdauer);
if (errorlabel.Visible)
{
throw new InvalidInputException();
}
this.logger.Log(Logger.Level.Info, "A new Angebot will be created");
// create Angebot
try
{
DALFactory.GetDAL().CreateAngebot(angebot);
}
catch (SQLiteException)
{
throw;
}
}
/// <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>
/// Receive params and load fitting existing Angebote from the SQLite database
/// </summary>
/// <param name="kid">The ID of the Kunde</param>
/// <param name="from">A date string which indicates the search-begin date</param>
/// <param name="until">A date string which indicates the search-end date</param>
/// <returns>A resultlist of all fitting Angebote</returns>
public List<AngebotTable> LoadAngebote(int kid, string from, string until, bool loadwithaid)
{
string sql = "SELECT * FROM Angebot WHERE ";
if (loadwithaid)
{
sql += kid >= 0 ? "ID = ? AND angebotsdauer BETWEEN ? AND ?;" : "angebotsdauer BETWEEN ? AND ?;";
}
else
{
sql += kid >= 0 ? "kundenID = ? AND angebotsdauer BETWEEN ? AND ?;" : "angebotsdauer BETWEEN ? AND ?;";
}
List<AngebotTable> results = new List<AngebotTable>();
// open connection and get requested Kontakt(e) out of database
SQLiteConnection con = null;
SQLiteTransaction tra = null;
SQLiteCommand cmd = null;
SQLiteDataReader reader = null;
try
{
// initialise connection
con = new SQLiteConnection(ConfigFileManager.ConnectionString);
con.Open();
// initialise transaction
tra = con.BeginTransaction();
cmd = new SQLiteCommand(sql, con);
// if it shall be searched for ID, really only search for ID and ignore other fields
if (kid != -1)
{
SQLiteParameter p_ID = new SQLiteParameter();
p_ID.Value = kid;
cmd.Parameters.Add(p_ID);
}
// bind from
SQLiteParameter p_from = new SQLiteParameter();
p_from.Value = from;
cmd.Parameters.Add(p_from);
// bind to
SQLiteParameter p_until = new SQLiteParameter();
p_until.Value = until;
cmd.Parameters.Add(p_until);
// execute and get results
reader = cmd.ExecuteReader();
while (reader.Read())
{
AngebotTable result = new AngebotTable();
result.ID = reader.GetInt32(0);
result.KundenID = reader.GetInt32(1);
result.Angebotssumme = reader.GetFloat(2);
result.Angebotsdauer = reader.GetString(3);
result.Erstellungsdatum = reader.GetString(4);
result.Umsetzungschance = reader.GetInt32(5);
result.Beschreibung = reader.GetString(6);
results.Add(result);
}
return results;
}
catch (SQLiteException)
{
throw;
}
finally
{
if (reader != null) { reader.Dispose(); }
if (tra != null) { tra.Dispose(); }
if (cmd != null) { cmd.Dispose(); }
if (con != null) { con.Dispose(); }
}
}
/// <summary>
/// Gets an Angebot table with the needed parameters and saves it in the mockDB
/// </summary>
/// <param name="angebot">The business object</param>
public void CreateAngebot(AngebotTable angebot)
{
MockDataBaseManager.savedAngebote.Add(angebot);
this.logger.Log(Logger.Level.Info, "Angebot saved to the mockDB");
}
