private bool ValidateJobSettings()

in Scheduler/Forms/DownloadJobV3.cs [291:330]
30 lines of code
17 McCabe index (conditional complexity)

        private bool ValidateJobSettings()
        {
            if (cronTriggerRadioButton.Checked)
            {
                var date = FormsHelper.GetScheduleForCron(cronExpressionTextBox.Text, DateTimeOffset.Now);
                if (date == DateTimeOffset.MinValue)
                    return false;
            }
            var message = new StringBuilder();

            if (string.IsNullOrEmpty(jobName.Text))
                message.AppendLine(Resources.Job_name_is_missing);

            if (string.IsNullOrEmpty(jobGroupComboBox.Text))
                message.AppendLine(Resources.Job_group_is_not_selected);

            if (string.IsNullOrEmpty(downloadFolder.Text))
                message.AppendLine(Resources.Download_folder_is_not_selected);

            if (string.IsNullOrEmpty(errorsFolder.Text))
                message.AppendLine(Resources.Download_errors_folder_is_not_selected);

            if ((instanceComboBox.SelectedItem == null) || string.IsNullOrEmpty(instanceComboBox.Text))
                message.AppendLine(Resources.Dynamics_instance_is_not_selected);

            if (userAuthRadioButton.Checked &&
                ((userComboBox.SelectedItem == null) || string.IsNullOrEmpty(userComboBox.Text)))
                message.AppendLine(Resources.User_is_not_selected);

            if ((appRegistrationComboBox.SelectedItem == null) || string.IsNullOrEmpty(appRegistrationComboBox.Text))
                message.AppendLine(Resources.AAD_client_application_is_not_selected);

            if ((dataJobComboBox.SelectedItem == null) || string.IsNullOrEmpty(dataJobComboBox.Text))
                message.AppendLine(Resources.Data_job_is_not_selected);

            if (message.Length > 0)
                MessageBox.Show(message.ToString(), Resources.Job_configuration_is_not_valid);

            return message.Length == 0;
        }