public async Task AnnounceToAllStudentsAsync(string message, int userId)
{
NotificationContext notificationContext = new NotificationContext()
{
CreatedBy = await _context.Users.Where(u => u.Admin == true).FirstAsync(),
Data = message,
NotificationType = NotificationType.ANNOUNCEMENT,
Time = DateTime.UtcNow
};
foreach (Student s in _context.Students)
{
notificationContext.NotificationsSent.Add(new Notification()
{
Read = false,
Receiver = await _context.Users.FindAsync(s.Id)
});
}
_context.Add(notificationContext);
await SaveAsync();
foreach (Notification n in notificationContext.NotificationsSent)
{
if (_hubContext.Clients.Group(n.ReceiverId.ToString()) != null)
{
await _hubContext.Clients.Group(n.ReceiverId.ToString()).SendAsync("ReceiveNotification");
}
}
}
public async Task RejectAsync(Entreaty entreaty)
{
Group group = entreaty.Group;
Student student = entreaty.Student;
Student groupAdmin = group.Students.Where(s => s.GroupAdmin == true).FirstOrDefault();
EntreatyType type = entreaty.EntreatyType;
_context.Remove(entreaty);
await SaveAsync();
NotificationContext notificationContext = new NotificationContext()
{
NotificationType = NotificationType.ENTREATY,
Time = DateTime.UtcNow
};
foreach (Student s in group.Students)
{
notificationContext.NotificationsSent.Add(new Notification()
{
NotificationContext = notificationContext,
Read = false,
Receiver = await _context.Users.FindAsync(s.Id)
});
}
if (type == EntreatyType.REQUEST)
{
notificationContext.CreatedBy = _context.Users.Find(groupAdmin.Id);
notificationContext.Data = string.Format("{0} has rejected request", group.Name);
notificationContext.NotificationsSent.Add(new Notification()
{
NotificationContext = notificationContext,
Read = false,
Receiver = student.User
});
}
else
{
notificationContext.CreatedBy = _context.Users.Find(student.Id);
notificationContext.Data = string.Format("{0} {1} has rejected invite", student.FirstName, student.LastName);
}
_context.Add(notificationContext);
await SaveAsync();
foreach (Notification n in notificationContext.NotificationsSent)
{
if (_hubContext.Clients.Group(n.ReceiverId.ToString()) != null)
{
await _hubContext.Clients.Group(n.ReceiverId.ToString()).SendAsync("ReceiveNotification");
}
}
}
public async Task SendNotificationsToRangeOfStudentsAsync(NotificationContext notificationContext, ICollection <Student> students)
{
foreach (Student s in students)
{
notificationContext.NotificationsSent.Add(new Notification()
{
Read = false,
Receiver = await _context.Users.FindAsync(s.Id),
});
}
_context.Add(notificationContext);
await SaveAsync();
foreach (Notification n in notificationContext.NotificationsSent)
{
if (_hubContext.Clients.Group(n.ReceiverId.ToString()) != null)
{
await _hubContext.Clients.Group(n.ReceiverId.ToString()).SendAsync("ReceiveNotification");
}
}
}