public NewCameraKey GenerateUniqueCameraKey()
{
int count = 0;
while (count < 5)
{
count++;
// Camera Key must be exactly 12 characters.
string randomCameraKey = StringGenerator.GenerateRandomString(12, 12);
// Ensure Key does not exist in database (return value is -1).
if (_dbQueryService.GetCameraIdFromKey(randomCameraKey) == -1)
{
// Persist new camera key to database.
DatabaseCamera emptyCamera = new DatabaseCamera();
emptyCamera.CameraKey = randomCameraKey;
bool success = _dbQueryService.PersistNewCamera(emptyCamera);
if (success)
{
return(new NewCameraKey(randomCameraKey));
}
return(null);
}
}
return(null);
}
public List <AlertSummary> GetAllActiveAlertsForCameraKey(string cameraKey)
{
int cameraId = _dbQueryService.GetCameraIdFromKey(cameraKey);
List <DatabaseAlert> dbAlerts = _dbQueryService.GetAlertsByCameraId(cameraId);
List <AlertSummary> alertList = new List <AlertSummary>();
foreach (var dbAlert in dbAlerts)
{
if (dbAlert.DisabledUntil.GetValueOrDefault(DateTime.MinValue) < DateTime.Now &&
(dbAlert.StartTime.IsNullOrEmpty() || dbAlert.StartTime.ToDateTime() < DateTime.Now) &&
(dbAlert.EndTime.IsNullOrEmpty() || dbAlert.EndTime.ToDateTime() > DateTime.Now))
{
AlertSummary alertSummary = new AlertSummary(dbAlert);
alertSummary.NeedsImage = DoesAlertNeedsFrameImage(dbAlert);
alertList.Add(alertSummary);
}
}
return(alertList);
}