Added error messages when group chat invites fail.

src/twc-commands.c

@@ -525,6 +525,10 @@ twc_cmd_group(void *data, struct t_gui_buffer *buffer,
             // create a buffer for the new group chat
             if (group_number >= 0)
                 twc_chat_search_group(profile, group_number, true);
+            else
+                weechat_printf(profile->buffer,
+                               "%sCould not join group chat (unknown error)",
+                               weechat_prefix("error"));
         }
         else
         {

src/twc-tox-callbacks.c

@@ -248,16 +248,25 @@ twc_group_invite_callback(Tox *tox,
                           void *data)
 {
     struct t_twc_profile *profile = data;
+    char *friend_name = twc_get_name_nt(profile->tox, friend_number);
 
-    int64_t rc = twc_group_chat_invite_add(profile, friend_number,
-                                           (uint8_t *)invite_data, length);
+    if (type == TOX_GROUPCHAT_TYPE_TEXT)
+    {
+        int64_t rc = twc_group_chat_invite_add(profile, friend_number,
+                                               (uint8_t *)invite_data, length);
 
-    char *friend_name = twc_get_name_nt(profile->tox, friend_number);
-    weechat_printf(profile->buffer,
-                   "%sReceived a group chat invite from %s; "
-                   "join with \"/group join %d\"",
-                   weechat_prefix("network"),
-                   friend_name, rc);
+        weechat_printf(profile->buffer,
+                       "%sReceived a group chat invite from %s; "
+                       "join with \"/group join %d\"",
+                       weechat_prefix("network"), friend_name, rc);
+    }
+    else if (type == TOX_GROUPCHAT_TYPE_AV)
+    {
+        weechat_printf(profile->buffer,
+                       "%sReceived an audio group chat invite from %s; "
+                       "these are currently unsupported and can not be joined",
+                       weechat_prefix("network"), friend_name);
+    }
 
     free(friend_name);
 }