UPdate.

src/snek/app.py

@@ -105,12 +105,15 @@ class Application(BaseApplication):
         self.services = get_services(app=self)
         self.mappers = get_mappers(app=self)
         self.broadcast_service = None
-        self.on_startup.append(self.start_ssh_server)
+        self.user_availability_service_task = None
+        
         self.on_startup.append(self.prepare_asyncio)
+        self.on_startup.append(self.start_user_availability_service)
+        self.on_startup.append(self.start_ssh_server)
         self.on_startup.append(self.prepare_database)
         
-
+    async def start_user_availability_service(self, app):
-
+        app.user_availability_service_task = asyncio.create_task(app.services.socket.user_availability_service())
     async def snode_sync(self, app):
         self.sync_service = asyncio.create_task(snode.sync_service(app))
     

src/snek/service/socket.py

@@ -1,7 +1,11 @@
 from snek.model.user import UserModel
 from snek.system.service import BaseService
 from datetime import datetime 
-import json 
+import json
+import asyncio
+import logging 
+logger = logging.getLogger(__name__)
+from snek.system.model import now
 
 class SocketService(BaseService):
 
@@ -36,10 +40,28 @@ class SocketService(BaseService):
         self.users = {}
         self.subscriptions = {}
         self.last_update = str(datetime.now())
-    
+        
+
+    async def user_availability_service(self):
+        logger.info("User availability update service started.")
+        while True:
+            logger.info("Updating user availability...")
+            users_updated = []
+            for s in self.sockets:
+                if not s.is_connected:
+                    continue
+                if not s.user in users_updated:
+                    s.user["last_ping"] = now()
+                    await self.app.services.user.save(s.user)
+                    users_updated.append(s.user)
+            logger.info(f"Updated user availability for {len(users_updated)} online users.")
+            await asyncio.sleep(60)
+
+
     async def add(self, ws, user_uid):
         s = self.Socket(ws, await self.app.services.user.get(uid=user_uid))
         self.sockets.add(s)
+        logger.info(f"Added socket for user {s.user['username']}")
         if not self.users.get(user_uid):
             self.users[user_uid] = set()
         self.users[user_uid].add(s)
@@ -62,16 +84,21 @@ class SocketService(BaseService):
         await self._broadcast(channel_uid, message)
 
     async def _broadcast(self, channel_uid, message):
+        sent = 0
         try:
             async for user_uid in self.services.channel_member.get_user_uids(
                 channel_uid
             ):
                 await self.send_to_user(user_uid, message)
+                sent += 1
         except Exception as ex:
             print(ex, flush=True)
+        logger.info(f"Broadcasted a message to {sent} users.")
         return True
 
     async def delete(self, ws):
         for s in [sock for sock in self.sockets if sock.ws == ws]:
             await s.close()
+            logger.info(f"Removed socket for user {s.user['username']}")
             self.sockets.remove(s)
+