public void SendPrivateMessage(string userId, string message)
{
using (UWCContext db = new UWCContext())
{
User senderUser = db
.Users
.Where(u => u.Name == HttpContext.Current.User.Identity.Name)
.FirstOrDefault();
User recieverUser = db
.Users
.Where(u => u.Id.ToString() == userId)
.FirstOrDefault();
PrivateRoom privateRoom = db
.PrivateRooms
.Where(pr => pr.UserIds.Contains(senderUser.Id) && pr.UserIds.Contains(Guid.Parse(userId)))
.FirstOrDefault();
if (privateRoom == null)
{
privateRoom = ChatHub.CreatePrivateRoom(senderUser.Id, recieverUser.Id);
db.PrivateRooms.Add(privateRoom);
}
string encodedMessage = AesEncoder.EncryptToBytes(message, Encoding.Default.GetBytes(privateRoom.Key), Encoding.Default.GetBytes(privateRoom.IV)).ToString();
privateRoom.MessagesListing.Add(new MessageInfo()
{
Id = Guid.NewGuid(),
FromUserId = senderUser.Id,
FromUserName = senderUser.Name,
ToUserId = recieverUser.Id,
ToUserName = recieverUser.Name,
Message = encodedMessage,
Time = DateTime.UtcNow
});
db.Entry(privateRoom).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
Groups.Add(senderUser.Id.ToString(), privateRoom.Id.ToString());
Groups.Add(recieverUser.Id.ToString(), privateRoom.Id.ToString());
Clients.Group(privateRoom.Id.ToString(), senderUser.Id.ToString()).send(message);
}
}
public ActionResult SetAdminRecord(SetAdminRecordModel model)
{
if (ModelState.IsValid)
{
using (UWCContext db = new UWCContext())
{
string roleName = model.RoleName == "Преподаватель"
? UserRoles.TEACHER_ROLE_NAME
: UserRoles.STUDENT_ROLE_NAME;
AdminRecord record = db.AdminRecords.FirstOrDefault(r => r.RoleName == roleName);
Guid salt = Guid.NewGuid();
if (record != null)
{
record.Salt = salt;
record.Password = Rfc2898Encoder.Encode(model.AccessPassword, salt.ToString());
db.Entry(record).State = EntityState.Modified;
db.SaveChanges();
}
else
{
AdminRecord newRecord = new AdminRecord()
{
Salt = salt,
RoleName = roleName,
Password = Rfc2898Encoder.Encode(model.AccessPassword, salt.ToString())
};
db.AdminRecords.Add(newRecord);
db.SaveChanges();
}
return(RedirectToAction("AdminRecordAddedMessage", "Administration"));
}
}
ViewBag.AllowedRoles = new SelectList(new string[] { "Преподаватель", "Студент" });
return(View(model));
}