public void OnSessionChosen(SessionListObject slo)
{
//raises the event
if (SessionChosen != null)
{
SessionChosen(this, new SessionEventArgs() { sessionListObject=slo});
}
}
public List<SessionListObject> getAllSessionListsForUser(int userId)
{
List<SessionListObject> myList = new List<SessionListObject>();
try
{
using (SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["museum.Properties.Settings.museumConnectionString"].ConnectionString))
{
connection.Open();
string query = "SELECT * FROM SessionList WHERE userId = " + userId;
SqlCommand command = new SqlCommand(query, connection);
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
var sessionListObject = new SessionListObject();
sessionListObject.id = (int)reader["id"];
sessionListObject.userId = (int)reader["UserId"];
sessionListObject.sessionName = (string)reader["SessionName"];
byte[] tempArray = (byte[])reader["Session"];
//sessionListObject.sessionList = (List<SessionObject>)reader["Session"];
if (tempArray != null)
{
MemoryStream ms = new MemoryStream(tempArray);
BinaryFormatter binForm = new BinaryFormatter();
sessionListObject.sessionList = (List<SessionObject>)binForm.Deserialize(ms);
}
myList.Add(sessionListObject);
}
}
}
}
catch (SqlException sql)
{
MessageBox.Show("The SessionList could not be entered " + sql);
}
return myList;
}
private void stopVisitSessionRecordingToolStripMenuItem_Click(object sender, EventArgs e)
{
if (Globals.sessionStarted == true)
{
if (Globals.sessionObjectList.Count() == 0)
{
MessageBox.Show("You did not visit any exhibit. Please try again.");
}
else
{
//we borrow the input messagebox from visualbasic. Quick and dirty solution in cases like this, when we do not want to build a new class.
string input = Microsoft.VisualBasic.Interaction.InputBox("Visit Session Name", "Please write a name for your visit session.", "Name", 0);
//If the user clicks Cancel, a zero-length string is returned
if (input == "")
{
MessageBox.Show("The visit session was not recorded");
//reseting
Globals.sessionStarted = false;
Globals.sessionStarted = false;
recordbtn.Image = Properties.Resources.Record_Normal_icon;
recordLabel.Text = "Record";
recordLabel.ForeColor = Color.Black;
Globals.sessionObjectList.Clear();
}
else
{
/*sets the global static variable started equal to false, so as to stop recording and keeps the list in the database*/
Globals.sessionStarted = false;
SessionListObjectDAO sessionListObjectDAO = new SessionListObjectDAO();
SessionListObject slo = new SessionListObject();
slo.userId = Globals.currentUser.id;
slo.sessionList = Globals.sessionObjectList;
slo.sessionName = input;
sessionListObjectDAO.InsertSessionListObject(slo);
//reset the flag
Globals.sessionStarted = false;
//reset the toolstrip button
recordbtn.Image = Properties.Resources.Record_Normal_icon;
recordLabel.Text = "Record";
recordLabel.ForeColor = Color.Black;
//resset the sessionObjectList
Globals.sessionObjectList.Clear();
}
}
}
}
public void InsertSessionListObject(SessionListObject slo)
{
try
{
using (SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["museum.Properties.Settings.museumConnectionString"].ConnectionString))
{
connection.Open();
/******************************************************************/
MemoryStream memStream = new MemoryStream();
//StreamWriter sw = new StreamWriter(memStream);
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(memStream,slo.sessionList);
//sw.Write(slo.sessionList);
/************************************************************************/
string query = "INSERT INTO SessionList (UserId,Session,SessionName) VALUES(@userId,@session,@sessionname)";
SqlCommand command = new SqlCommand(query,connection);
command.Parameters.AddWithValue("@userId", slo.userId);
command.Parameters.AddWithValue("@sessionname", slo.sessionName);
//command.Parameters.Add("@session", SqlDbType.VarBinary, Int32.MaxValue);
command.Parameters.AddWithValue("@session", memStream.GetBuffer());
command.ExecuteNonQuery();
}
}
catch (SqlException sql)
{
MessageBox.Show("The SessionList could not be entered " + sql);
}
}