Small fix

events/tempban.js

@@ -7,38 +7,50 @@ module.exports = {
         const dbClient = await connectToDatabase();
         const db = dbClient.db('discord');
         const tempBanCollection = db.collection('tempban');
-
-        // 2) Define a function to schedule unbans
-        async function scheduleUnban(banData) {
-            const delay = banData.banTime - Date.now();
-
-            if (delay <= 0) {
-                return;
-            }
-            setTimeout(async () => {
+        const scheduled = new Map();
+        async function unbanNow(banData) {
             try {
                 const guild = await client.guilds.fetch(banData.guildId);
                 await guild.bans.remove(banData.userId);
-
                 await tempBanCollection.deleteOne({_id: banData._id});
             } catch (err) {
                 console.error('Error unbanning member:', err);
+            } finally {
+                scheduled.delete(String(banData._id));
             }
-            }, delay);
         }
 
+        function scheduleUnban(banData) {
+            const id = String(banData._id);
+            if (scheduled.has(id)) return;
+
+            const delay = banData.banTime - Date.now(); // assumes banTime is a future timestamp (ms)
+            if (delay <= 0) {
+                // already expired -> unban immediately
+                void unbanNow(banData);
+                return;
+            }
+
+            const timeoutId = setTimeout(() => void unbanNow(banData), delay);
+            scheduled.set(id, timeoutId);
+        }
+
+        async function scanAndSchedule() {
             try {
-            const allBans = await tempBanCollection.find({}).toArray();
-            allBans.forEach(scheduleUnban);
-
-            tempBanCollection.watch().on('change', (change) => {
-                if (change.operationType === 'insert') {
-                    const newBan = change.fullDocument;
-                    scheduleUnban(newBan);
-                }
-            });
+                const now = Date.now();
+                const futureBans = await tempBanCollection.find({banTime: {$gt: now}}).toArray();
+                futureBans.forEach(scheduleUnban);
+                const expired = await tempBanCollection.find({banTime: {$lte: now}}).toArray();
+                expired.forEach((b) => void unbanNow(b));
             } catch (err) {
-            console.error('Error setting up unban system:', err);
+                console.error('Error scanning tempbans:', err);
             }
+        }
+
+        // Initial load
+        await scanAndSchedule();
+
+        // Poll every 10 seconds for newly inserted bans
+        setInterval(scanAndSchedule, 10_000);
     },
 };