ad group logic except somes

cache.go

@@ -22,11 +22,11 @@ func CacheGetClientById(id uint32) (*Client, error) {
 	return client, nil
 }
 
-func CacheSetClient(id uint32, client *Client) {
+func CacheSetClient(client *Client) {
 	mu.Lock()
 	defer mu.Unlock()
 
-	CacheClients[id] = client
+	CacheClients[client.Id] = client
 }
 
 func CacheDeleteClient(id uint32) {
@@ -35,3 +35,17 @@ func CacheDeleteClient(id uint32) {
 
 	delete(CacheClients, id)
 }
+
+func CacheSetGroup() {}
+
+func CacheGetGroup(id uint32) (*Group, error) {
+	mu.RLock()
+	defer mu.RUnlock()
+
+	group, ok := Groups[id]
+	if !ok {
+		return nil, fmt.Errorf("group %d not found", id)
+	}
+
+	return group, nil
+}