/// <summary>
/// Checks if a training session in originalTrainingSessions exists in the listOfTainingSessions. If it doesn't then it needs to be removed
/// </summary>
private void CheckForDeletedSessions()
{
// Check each item in the original training session list
for (int i = 0; i < originalTrainingSessions.Count; i++)
{
var originalId = originalTrainingSessions[i].sessionId;
bool needsToBeDeleted = true;
for (int j = 0; j < TrainingSession.listOfTrainingSessions.Count; j++)
{
var currentList = TrainingSession.listOfTrainingSessions[j].sessionId;
// If there is a match, break out of this for loop
if (originalTrainingSessions[i].sessionId == TrainingSession.listOfTrainingSessions[j].sessionId)
{
needsToBeDeleted = false;
break;
}
}
// If a session isn't in the original list, then it needs to be removed
if (needsToBeDeleted)
{
AssignedTrainingSessions session = new AssignedTrainingSessions(clientId, Convert.ToInt32(originalId));
AssignedTrainingSessions.removedTrainingSessionList.Add(session);
var removedCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(removedCount);
var newCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(newCount);
}
} // End of for loop
}
/// <summary>
/// Checks if a given training session exists in the originalTrainingSessions list. If not, add it to trainingSessionsToAdd
/// </summary>
private void CheckForNewSessions()
{
// Loop through the current list of assigned training sessions to see if we need to add or remove any
for (int i = 0; i < TrainingSession.listOfTrainingSessions.Count; i++)
{
// a flag for whether the session needs to be added or not. By default, no
bool newSessionAdded = true;
string listSessionId = TrainingSession.listOfTrainingSessions[i].sessionId;
// For each session in listOfTrainingSessions, see if exists in the original one
for (int j = 0; j < originalTrainingSessions.Count; j++)
{
string originalTrainingSessionId = originalTrainingSessions[j].sessionId;
// If it exists in current list and the new list, don't do anything
if (TrainingSession.listOfTrainingSessions[i].sessionId == originalTrainingSessions[j].sessionId)
{
newSessionAdded = false;
continue;
}
// If the session isn't found in the original array, then it is new and newSessionAddd stays as true
}
// Now add the new session to the list
if (newSessionAdded)
{
AssignedTrainingSessions session = new AssignedTrainingSessions(clientId, Convert.ToInt32(TrainingSession.listOfTrainingSessions[i].sessionId));
AssignedTrainingSessions.newTrainingSessionList.Add(session);
var count = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(count);
}
} // End of main for loop for adding sessions
}
/// <summary>
/// When the user wants to save their changes to the database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonSaveChanges_Click(object sender, EventArgs e)
{
var removedCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(removedCount);
var newCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(newCount);
// Compare lists to find any added training sessions
CheckForNewSessions();
removedCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(removedCount);
newCount = AssignedTrainingSessions.newTrainingSessionList.Count;
logger.Info(newCount);
// Now see what was removed
CheckForDeletedSessions();
logger.Info($"New Training Sessions: {AssignedTrainingSessions.newTrainingSessionList.Count}");
logger.Info($"Removed Training Sessions: {AssignedTrainingSessions.removedTrainingSessionList.Count}");
// If session did exist, and was removed, set DELETE request
if (AssignedTrainingSessions.removedTrainingSessionList.Count > 0)
{
AssignedTrainingSessions.RemoveTrainingSessionsFromDatabase();
}
// If new, send POST request to update client training sessions with userid and session id
if (AssignedTrainingSessions.newTrainingSessionList.Count > 0)
{
AssignedTrainingSessions.AddNewTrainingSessionsToDatabase();
}
// TODO: Check if all changes were made successfully. If they were, close the form
MessageBox.Show("Successfully saved your changes");
this.Close();
}
