view sat/plugins/plugin_misc_watched.py @ 3101:ab7e8ade848a

plugin XEP-0045: added room statuses to metadata: room statuses are now sent with other metadata on bridge signals, and saved in Room instance. They give useful data on the room, for instance they can be used to know if a full jid is used in this room.
author Goffi <goffi@goffi.org>
date Mon, 30 Dec 2019 20:44:02 +0100
parents ab2696e34d29
children 9d0df638c8b4
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# SàT plugin to be notified on some entities presence
# Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from sat.core.i18n import _, D_
from sat.core.constants import Const as C
from sat.core.log import getLogger

log = getLogger(__name__)
from sat.core import exceptions
from sat.tools import xml_tools


PLUGIN_INFO = {
    C.PI_NAME: "Watched",
    C.PI_IMPORT_NAME: "WATCHED",
    C.PI_TYPE: "Misc",
    C.PI_PROTOCOLS: [],
    C.PI_DEPENDENCIES: [],
    C.PI_MAIN: "Watched",
    C.PI_HANDLER: "no",
    C.PI_DESCRIPTION: _(
        """Watch for entities presence, and send notification accordingly"""
    ),
}


CATEGORY = D_("Misc")
NAME = "Watched"
NOTIF = D_("Watched entity {entity} is connected")


class Watched(object):
    params = """
    <params>
    <individual>
    <category name="{category_name}" label="{category_label}">
        <param name="{name}" label="{label}" type="jids_list" security="0" />
    </category>
    </individual>
    </params>
    """.format(
        category_name=CATEGORY, category_label=_(CATEGORY), name=NAME, label=_(NAME)
    )

    def __init__(self, host):
        log.info(_("Watched initialisation"))
        self.host = host
        host.memory.updateParams(self.params)
        host.trigger.add("presence_received", self._presenceReceivedTrigger)

    def _presenceReceivedTrigger(self, client, entity, show, priority, statuses):
        if show == C.PRESENCE_UNAVAILABLE:
            return True

        # we check that the previous presence was unavailable (no notification else)
        try:
            old_show = self.host.memory.getEntityDatum(
                entity, "presence", client.profile).show
        except (KeyError, exceptions.UnknownEntityError):
            old_show = C.PRESENCE_UNAVAILABLE

        if old_show == C.PRESENCE_UNAVAILABLE:
            watched = self.host.memory.getParamA(
                NAME, CATEGORY, profile_key=client.profile)
            if entity in watched or entity.userhostJID() in watched:
                self.host.actionNew(
                    {
                        "xmlui": xml_tools.note(
                            _(NOTIF).format(entity=entity.full())
                        ).toXml()
                    },
                    profile=client.profile,
                )

        return True