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private async void OnTimeInClicked(object sender, EventArgs e) { try { // Check if an entry for today already exists var openTimeEntry = await _firebaseHelper.GetTodaysTimeEntryAsync( _currentInstructors.ID, SubjectCodeLabel.Text ); if (openTimeEntry != null) { await DisplayAlert("Error", "You already have an entry for today.", "OK"); return; } // Log Time In var timeEntry = new TimeEntry { instructorId = _currentInstructors.ID, FirstName = _currentInstructors.FirstName, LastName = _currentInstructors.LastName, TimeIn = DateTime.Now, SubjectName = SubjectNameLabel.Text, SubjectCode = SubjectCodeLabel.Text }; _currentEntryKey = await _firebaseHelper.AddTimeInAsync(timeEntry); if (!string.IsNullOrEmpty(_currentEntryKey)) { TimeInLabel.Text = $"Time In: {timeEntry.TimeIn:g}"; TimeInButton.IsEnabled = false; // Disable button after logging TimeOutButton.IsEnabled = true; } else { await DisplayAlert("Error", "Failed to record Time In.", "OK"); } } catch (Exception ex) { await DisplayAlert("Error", $"An error occurred: {ex.Message}", "OK"); } }
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