fix: different muc hosts failure

+ add muc room list parser
* update fetch_muc method to utilize room list parser

This method scales lineraly. Therefore this is only a temporary fix
until we find a better solution.

calls.py

@@ -60,6 +60,16 @@ class EjabberdApiCalls(EjabberdApi):
 
         return None
 
+    # ghetto method until we have a better solution
+    @staticmethod
+    def _parse_muc_count(vhost, data: (list, dict)) -> int:
+        tmp = 0
+
+        for el in list(map(lambda x: x.split(sep="@"), data)):
+            if vhost in el[1]:
+                tmp += 1
+        return tmp
+
     def fetch_onlineuser(self):
         tmp = self.cmd("connected_users_info", {})
         if "connected_users_info" not in tmp:
@@ -141,12 +151,13 @@ class EjabberdApiCalls(EjabberdApi):
 
     def fetch_muc_count(self, vhost=None, muc_host="conference"):
         host = "global"
-        if vhost is not None:
-            if self.verstring.major >= 19:
-                host = ".".join([muc_host, vhost])
-            else:
-                host = vhost
         result = self.cmd("muc_online_rooms", {"host": host})
+        if vhost is not None:
+            #    if self.verstring.major >= 19:
+            #        host = ".".join([muc_host, vhost])
+            #    else:
+            #        host = vhost
+            return self._parse_muc_count(vhost, result)
         if "rooms" in result:
             return len(result["rooms"])
         return len(result)