public void AssignCourseUpdatedNotification(CourseUpdatedNotification notification, out Dictionary <string, List <int> > affectedUsersIds)
{
affectedUsersIds = new Dictionary <string, List <int> >();
if (notification != null)
{
var attenderNotifications =
(
from attender in _context.CoursesAttenders
where attender.CourseId == notification.CourseId
select attender.AttenderId
).ToList <string>().Select(id => new UserNotification(notification.Id, id));
if (attenderNotifications != null && attenderNotifications.Count() > 0)
{
_context.UserNotifications.AddRange(attenderNotifications);
foreach (UserNotification un in attenderNotifications)
{
if (!affectedUsersIds.ContainsKey(un.UserId))
{
affectedUsersIds.Add(un.UserId, new List <int>());
}
affectedUsersIds[un.UserId].Add(un.NotificationId);
}
}
}
}
public void AddCourseUpdatedNotificationDetails(CourseUpdatedNotification notification, List <CourseUpdateToken> tokens)
{
if (notification != null)
{
var details =
(
from token in tokens
select new NotificationDetail(notification.Id, token.PropertyName, token.OldValue, token.NewValue)
).ToList();
if (details != null && details.Count > 0)
{
foreach (var detail in details)
{
notification.NotificationDetails.Add(detail);
}
}
}
}
private void CoursesAntenna_CourseUpdated(Course course, List <CourseUpdateToken> tokens)
{
if (course != null)
{
CourseUpdatedNotification notification = unitOfWork.NotificationsRepository.AddCourseUpdatedNotification(course, ContextHelpers.CurrentLoggedInUser.Id);
unitOfWork.Complete();
if (tokens != null && tokens.Count > 0)
{
unitOfWork.NotificationsRepository.AddCourseUpdatedNotificationDetails(notification, tokens);
unitOfWork.Complete();
}
Dictionary <string, List <int> > affectedUsersIds = null;
unitOfWork.NotificationsRepository.AssignCourseUpdatedNotification(notification, out affectedUsersIds);
unitOfWork.Complete();
if (affectedUsersIds != null && affectedUsersIds.Count > 0)
{
NotifyUsers(affectedUsersIds);
}
}
}
public CourseUpdatedNotification AddCourseUpdatedNotification(Course course, string userId)
{
CourseUpdatedNotification notification = new CourseUpdatedNotification(null, course.Id, null, userId);
return(_context.CourseUpdatedNotifications.Add(notification));
}
