Added update_mc_username management command

+ This replaces the internal background task to handle username updates
+ This command can be called from an external service to update
  usernames

GeoffreyApp/apps.py

@@ -1,5 +1,6 @@
 from django.apps import AppConfig
 import os
+import background_task
 
 path = os.path.dirname(os.path.abspath(__file__)) + "/assets/bots/geoffrey.py"
 
@@ -7,7 +8,3 @@ path = os.path.dirname(os.path.abspath(__file__)) + "/assets/bots/geoffrey.py"
 class GeoffreyAppConfig(AppConfig):
     name = 'GeoffreyApp'
     verbose_name = "Geoffrey: Minecraft Web Database"
-
-    def ready(self):
-        import GeoffreyApp.background_tasks as background_tasks
-        background_tasks.run_tasks()

GeoffreyApp/background_tasks.py

@@ -1,21 +0,0 @@
-from GeoffreyApp.models import Player
-from GeoffreyApp.minecraft_api import grab_playername
-from apscheduler.schedulers.background import BackgroundScheduler
-
-
-def update_usernames():
-    players = Player.objects.all()
-
-    for player in players:
-        mc_username = grab_playername(player.mc_uuid)
-        if player.name != mc_username:
-            player.name = mc_username
-            player.save()
-
-
-def run_tasks():
-    scheduler = BackgroundScheduler()
-
-    scheduler.add_job(update_usernames, 'interval', minutes=10)
-
-    scheduler.start()

GeoffreyApp/management/commands/update_mc_username.py

@@ -0,0 +1,28 @@
+from django.core.management.base import BaseCommand, CommandError
+from GeoffreyApp.models import Player
+from GeoffreyApp.minecraft_api import grab_playername
+from GeoffreyApp.errors import UsernameLookupFailed
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class Command(BaseCommand):
+    help = "Updates all the minecraft usernames in the database"
+
+    def handle(self, *args, **options):
+        players = Player.objects.all()
+        for player in players:
+            try:
+                mc_username = grab_playername(player.mc_uuid)
+                if player.name != mc_username:
+                    player.name = mc_username
+                    player.save()
+            except UsernameLookupFailed:
+                logger.error("Error updating MC UUID %s" % player.mc_uuid)
+            except Exception as e:
+                error_str = "Error updating MC usernames: %s" % e.__str__()
+                logger.error(error_str)
+                raise CommandError(error_str)
+
+        self.stdout.write("Done updating MC usernames")