plugins TEXT-COMMANDS, XEP-0045, XEP-0048, XEP-0249:

- give a feedback instead of sending the message when the command is invalid or used in a wrong context
    - add command /join for XEP-0249

src/plugins/plugin_xep_0249.py

@@ -47,6 +47,7 @@ PLUGIN_INFO = {
     "type": "XEP",
     "protocols": ["XEP-0249"],
     "dependencies": ["XEP-0045"],
+    "recommendations": [C.TEXT_CMDS],
     "main": "XEP_0249",
     "handler": "yes",
     "description": _("""Implementation of Direct MUC Invitations""")
@@ -80,6 +81,10 @@ class XEP_0249(object):
         self.host = host
         host.memory.updateParams(self.params)
         host.bridge.addMethod("inviteMUC", ".plugin", in_sign='sssa{ss}s', out_sign='', method=self._invite)
+        try:
+            self.host.plugins[C.TEXT_CMDS].registerTextCommands(self)
+        except KeyError:
+            log.info(_("Text commands not available"))
 
     def getHandler(self, profile):
         return XEP_0249_handler(self)
@@ -153,11 +158,37 @@ class XEP_0249(object):
 
         if autojoin == "always":
             self._accept(room, profile)
-        elif autojoin == "ask":
+        elif autojoin == "never":
+            self.host.bridge.newAlert(_("An invitation from %(user)s to join the room %(room)s has been declined according to your personal settings.") % {'user': from_, 'room': room}, _("MUC invitation"), "INFO", profile)
+        else:  # leave the default value here
             data = {"message": _("You have been invited by %(user)s to join the room %(room)s. Do you accept?") % {'user': from_, 'room': room}, "title": _("MUC invitation")}
             self.host.askConfirmation(room, "YES/NO", data, accept_cb, profile)
-        else:
-            self.host.bridge.newAlert(_("An invitation from %(user)s to join the room %(room)s has been declined according to your personal settings.") % {'user': from_, 'room': room}, _("MUC invitation"), "INFO", profile)
+
+    def cmd_invite(self, mess_data, profile):
+        """invite someone in the room
+
+        @command (group): (JID)
+            - JID: the JID of the person to invite
+        """
+        log.debug("Catched invite command")
+
+        if mess_data['type'] != "groupchat":
+            self.host.plugins[C.TEXT_CMDS].feedBackWrongContext('invite', 'groupchat', mess_data, profile)
+            return False
+
+        jid_s = mess_data["unparsed"].strip()
+        try:
+            assert(jid_s)
+            jid_ = jid.JID(jid_s)
+            assert(jid_.user)
+            assert(jid_.host)
+        except (jid.InvalidFormat, AssertionError):
+            feedback = _(u"You must provide a valid JID to invite, like in '/invite contact@example.net'")
+            self.host.plugins[C.TEXT_CMDS].feedBack(feedback, mess_data, profile)
+            return False
+
+        self.invite(jid_, mess_data["to"], {}, profile)
+        return False
 
 
 class XEP_0249_handler(XMPPHandler):