private List <Notification> GetNotifications()
{
List <Notification> notifications = new List <Notification>();
List <Department> departments = _lController.GetUserViewDepartments(User.UserId);
foreach (var department in departments)
{
foreach (var lab in department.Labs)
{
List <Computer> comps;
try
{
comps = lab.Computers.ToList();
}
catch
{
comps = _lController.GetLabComputers(lab.LabId);
}
foreach (var comp in comps)
{
//check for disconected notification
if (User.DisconnectedPeriod != null)
{
int days = User.DisconnectedPeriod.Value;
DateTime disconectedFrom = DateTime.Now.Date.AddDays(-days);
List <Activity> offAct;
try
{
offAct = comp.Activities.Where(e => !e.Logout.HasValue && e.Mode == ActivityType.Off && e.Login <= disconectedFrom).ToList();
}
catch
{
offAct = _lController.GetCurrentDisconnectedActivity(comp.ComputerId, disconectedFrom);
}
if (offAct.Count > 0)
{
//for how long the computer is disconnected
days = (int)(DateTime.Now.Date - offAct[0].Login.Date).TotalDays;
Notification ntf = new Notification(comp, lab, department.DepartmentName, Constant.NotificationType.Disconnected, days);
notifications.Add(ntf);
continue;
}
}
//check for unused notification
if (User.NotActivePeriod != null)
{
Activity userAct;
try
{
userAct = comp.Activities.Where(e => !e.Logout.HasValue && e.Mode == ActivityType.User).ToList().FirstOrDefault();
}
catch
{
userAct = _lController.GetUserActivity(comp.ComputerId);
}
//if there is no user connected rigth now
if (userAct == null)
{
//find the last time a user loged out
DateTime?lastLogout;
try
{
lastLogout = comp.Activities.Where(e => e.Mode == ActivityType.User).Max(e => e.Logout);
}
catch
{
lastLogout = _lController.GetLastLogOutTime(comp.ComputerId);
}
if (lastLogout == null)
{
ComputerLab cl = comp.ComputerLabs.Where(e => e.LabId == lab.LabId && !e.Exit.HasValue).ToList().FirstOrDefault();
if (cl != null)
{
//time from computer enterance to lab
int days = (int)(DateTime.Now.Date - cl.Entrance.Date).TotalDays;
//if the days passed from the computer enterance bigger than the given days- make notification
if (days >= User.NotActivePeriod.Value)
{
Notification ntf = new Notification(comp, lab, department.DepartmentName, Constant.NotificationType.NotUsed, days);
notifications.Add(ntf);
}
}
}
else if (lastLogout.HasValue)
{
//time from last logout
int days = (int)(DateTime.Now.Date - lastLogout.Value.Date).TotalDays;
//if the days passed from the last user activity bigger than the given days- make notification
if (days >= User.NotActivePeriod.Value)
{
Notification ntf = new Notification(comp, lab, department.DepartmentName, Constant.NotificationType.NotUsed, days);
notifications.Add(ntf);
}
}
}
}
}
}
}
return(notifications);
}