private void mongoDBToolStripMenuItem_Click(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
Form dataSources = new MongoDBForm();
dataSources.StartPosition = FormStartPosition.CenterParent;
dataSources.ShowDialog();
Cursor.Current = Cursors.Default;
}
private void gradingDataGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (gradingDataGrid.CurrentCell != null)
{
if (gradingDataGrid.Columns[e.ColumnIndex].HeaderText.Contains("URL") && gradingDataGrid.CurrentCell.EditedFormattedValue.ToString().Contains("https"))
{
var url = gradingDataGrid.CurrentCell.EditedFormattedValue.ToString();
Process.Start(url);
}
//Reserved Column gets clicked
else if (gradingDataGrid.Columns[e.ColumnIndex].HeaderText.Contains("Reserved"))
{
//If there is no database connected let the user know.
if (Properties.Settings.Default.MongoDBGradingCollection == "" && mongoWarningshown == false)
{
mongoWarningshown = true;
var result = MessageBox.Show("To Reserve assignment you must add a MongoDB Connection.\nWould you like to connect to a database?", "Create Database", MessageBoxButtons.YesNo);
switch (result)
{
case DialogResult.Yes:
Cursor.Current = Cursors.WaitCursor;
Form dataSources = new MongoDBForm();
dataSources.StartPosition = FormStartPosition.CenterParent;
dataSources.ShowDialog();
Cursor.Current = Cursors.Default;
ConnectToMongoDB();
break;
case DialogResult.No:
break;
}
}
else //database
{
//Reserved is checked
if (Convert.ToBoolean(gradingDataGrid.CurrentCell.Value) == true)
{
DialogResult dialogResult = MessageBox.Show("This assignment is currently reserved. Do you want to unassign it?", "Unreserve?", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
gradingDataGrid.CurrentCell.Value = false;
//Remove the data from the database
if (connectedToMongoDB == true)
{
var mongoCollection = mongoDatabase.GetCollection <BsonDocument>(Properties.Settings.Default.MongoDBGradingCollection);
string url = gradingDataGrid.Rows[e.RowIndex].Cells[6].EditedFormattedValue.ToString();
//Make call for URL
var filter = Builders <BsonDocument> .Filter.Eq("_id", url);
mongoCollection.DeleteOne(filter);
}
}
}
else //Reserved is not checked
{
string url = gradingDataGrid.Rows[e.RowIndex].Cells[6].EditedFormattedValue.ToString();
//Add the data to the database
if (connectedToMongoDB == true)
{
var mongoCollection = mongoDatabase.GetCollection <BsonDocument>(Properties.Settings.Default.MongoDBGradingCollection);
BsonDocument documentToWrite = new BsonDocument {
{ "_id", url }, { "grader", Properties.Settings.Default.AppUserName }, { "reserved_at", DateTime.Now.ToString() }
};
try
{
Process browserTab = Process.Start(url); //grading url in new tab
mongoCollection.InsertOne(documentToWrite); //try to write to database
//continue if successful:
gradingDataGrid.CurrentCell.Value = true;
}
catch (MongoDB.Driver.MongoWriteException writeException)
{
//Make call for URL
if (writeException.WriteError.Category == ServerErrorCategory.DuplicateKey) // if this entry has already been made (assignment already reserved)
{
var filter = Builders <BsonDocument> .Filter.Eq("_id", url);
var conflictDocument = mongoCollection.Find(filter).FirstOrDefault();
var grader = conflictDocument.GetElement("grader");
gradingDataGrid.CurrentCell.Value = true;
this.Activate(); //pulls the form into focus to display message
MessageBox.Show($"This assignment was reserved by {grader.Value}");
RefreshQueue(); //refresh queue to update reserved checkbox
}
else
{
MessageBox.Show($"There was a MongoDB write error {writeException.Message}");
}
}
}//end if(connectedToMongo)
}
}
}
//Course column gets clicked
else if (gradingDataGrid.Columns[e.ColumnIndex].HeaderText.Contains("Course"))
{
var url = gradingDataGrid.Rows[e.RowIndex].Cells[7].EditedFormattedValue.ToString();
Process.Start(url);
}
else if (gradingDataGrid.Columns[e.ColumnIndex].HeaderText.Contains("Assignment"))
{
var url = gradingDataGrid.Rows[e.RowIndex].Cells[6].EditedFormattedValue.ToString();
Process.Start(url);
}
}
}
