diff --git a/whois/app.py b/whois/app.py
index b3e6fb9..2f07fb4 100644
--- a/whois/app.py
+++ b/whois/app.py
@@ -210,7 +210,10 @@ def now_at_space(self):
         recent = self.device_repository.get_recent(
             timedelta(**self.app_settings.RECENT_TIME)
         )
-        users = self.helpers.filter_hidden(self.helpers.owners_from_devices(recent))
+        owners = self.helpers.owners_from_devices(recent)
+        users = self.helpers.filter_hidden(
+            [self.user_repository.get_by_id(owner) for owner in owners]
+        )
 
         data = {
             "users": sorted(map(str, self.helpers.filter_anon_names(users))),
diff --git a/whois/data/db/mapper/device_mapper.py b/whois/data/db/mapper/device_mapper.py
index 49e399b..cb016f6 100644
--- a/whois/data/db/mapper/device_mapper.py
+++ b/whois/data/db/mapper/device_mapper.py
@@ -5,7 +5,7 @@
 def device_to_devicetable_mapper(device: Device) -> DeviceTable:
     return DeviceTable(
         mac_address=device.mac_address,
-        hostname=device.username,
+        hostname=device.hostname,
         last_seen=device.last_seen,
         owner=device.owner,
         flags=device.flags,
@@ -15,7 +15,7 @@ def device_to_devicetable_mapper(device: Device) -> DeviceTable:
 def devicetable_to_device_mapper(device: DeviceTable) -> Device:
     return Device(
         mac_address=device.mac_address,
-        hostname=device.username,
+        hostname=device.hostname,
         last_seen=device.last_seen,
         owner=device.owner,
         flags=device.flags,
diff --git a/whois/data/repository/device_repository.py b/whois/data/repository/device_repository.py
index 8b993aa..07bef9c 100644
--- a/whois/data/repository/device_repository.py
+++ b/whois/data/repository/device_repository.py
@@ -30,7 +30,7 @@ def update(self, device: Device) -> None:
                 .one()
             )
             device_orm.hostname = device.hostname
-            device_orm.last_seen = device.last_seen
+            device_orm.last_seen = device.last_seen.python_value
             device_orm.owner = device.owner
             device_orm.flags = device.flags
             session.commit()
@@ -42,7 +42,7 @@ def get_by_mac_address(self, mac_address: str) -> Device:
                 .where(DeviceTable.mac_address == mac_address)
                 .one()
             )
-            return map(devicetable_to_device_mapper, device_orm)
+            return next(map(devicetable_to_device_mapper, [device_orm]))
 
     def get_all(self) -> List[Device]:
         with Session(self.database.engine) as session:
diff --git a/whois/entity/device.py b/whois/entity/device.py
index 69b32d1..ca560d0 100644
--- a/whois/entity/device.py
+++ b/whois/entity/device.py
@@ -20,3 +20,7 @@ class Device:
     last_seen: IsoDateTimeField
     owner: int
     flags: BitField
+
+    @property
+    def is_hidden(self) -> bool:
+        return self.flags.has_flag(DeviceFlags.is_hidden.value)
\ No newline at end of file
diff --git a/whois/worker.py b/whois/worker.py
index d8d1a9e..98b16e9 100644
--- a/whois/worker.py
+++ b/whois/worker.py
@@ -3,8 +3,9 @@
 
 from whois.data.db.database import Database
 from whois.data.repository.device_repository import DeviceRepository, Device
+from whois.data.type.bitfield import BitField
 from whois.mikrotik import fetch_leases
-from whois.settings import production
+from whois.settings.production import mikrotik_settings
 
 logger = logging.getLogger("mikrotik-worker")
 database = Database()
@@ -12,11 +13,11 @@
 
 def update_devices() -> int:
     leases = fetch_leases(
-        production.MIKROTIK_URL, production.MIKROTIK_USER, production.MIKROTIK_PASS
+        mikrotik_settings.MIKROTIK_URL, mikrotik_settings.MIKROTIK_USER, mikrotik_settings.MIKROTIK_PASS
     )
 
     for lease in leases:
-        device = Device(lease.mac_address, lease.host_name, lease.last_seen)
+        device = Device(lease.mac_address, lease.host_name, lease.last_seen, lease.client_id, BitField()) #TODO figure out how to pass flags
         if device_repository.get_by_mac_address(lease.mac_address):
             device_repository.update(device)
         else:
@@ -27,7 +28,7 @@ def update_devices() -> int:
 
 def run_worker():
     if not all(
-        [production.MIKROTIK_URL, production.MIKROTIK_USER, production.MIKROTIK_PASS]
+        [mikrotik_settings.MIKROTIK_URL, mikrotik_settings.MIKROTIK_USER, mikrotik_settings.MIKROTIK_PASS]
     ):
         raise ValueError("Mikrotik settings not set")
 
@@ -39,7 +40,7 @@ def run_worker():
         except Exception:
             logger.exception("Could not update device information")
 
-        time.sleep(production.worker_frequency_s)
+        time.sleep(mikrotik_settings.WORKER_FREQUENCY_S)
 
 
 if __name__ == "__main__":