mirror of https://gitlab.com/openlp/openlp.git
132 lines
4.9 KiB
Python
132 lines
4.9 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2019 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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import json
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from openlp.core.common.httputils import get_web_page
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from openlp.core.common.mixins import RegistryProperties
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from openlp.core.common.settings import Settings
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class Poller(RegistryProperties):
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"""
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Accessed by the web layer to get status type information from the application
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"""
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def __init__(self):
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"""
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Constructor for the poll builder class.
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"""
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super(Poller, self).__init__()
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self.live_cache = None
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self.stage_cache = None
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self.chords_cache = None
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def raw_poll(self):
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return {
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'service': self.service_manager.service_id,
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'slide': self.live_controller.selected_row or 0,
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'item': self.live_controller.service_item.unique_identifier if self.live_controller.service_item else '',
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'twelve': Settings().value('api/twelve hour'),
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'blank': self.live_controller.blank_screen.isChecked(),
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'theme': self.live_controller.theme_screen.isChecked(),
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'display': self.live_controller.desktop_screen.isChecked(),
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'version': 3,
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'isSecure': Settings().value('api/authentication enabled'),
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'isAuthorised': False,
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'chordNotation': Settings().value('songs/chord notation'),
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'isStageActive': self.is_stage_active(),
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'isLiveActive': self.is_live_active(),
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'isChordsActive': self.is_chords_active()
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}
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def poll(self):
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"""
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Poll OpenLP to determine the current slide number and item name.
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"""
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return {'results': self.raw_poll()}
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def main_poll(self):
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"""
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Poll OpenLP to determine the current slide count.
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"""
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result = {
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'slide_count': self.live_controller.slide_count
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}
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return json.dumps({'results': result}).encode()
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def reset_cache(self):
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"""
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Reset the caches as the web has changed
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:return:
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"""
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self.stage_cache = None
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self.live_cache = None
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self.chords.cache = None
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def is_stage_active(self):
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"""
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Is stage active - call it and see but only once
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:return: if stage is active or not
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"""
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if self.stage_cache is None:
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try:
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page = get_web_page("http://localhost:4316/stage")
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except Exception:
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page = None
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if page:
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self.stage_cache = True
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else:
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self.stage_cache = False
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return self.stage_cache
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def is_live_active(self):
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"""
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Is main active - call it and see but only once
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:return: if live is active or not
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"""
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if self.live_cache is None:
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try:
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page = get_web_page("http://localhost:4316/main")
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except Exception:
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page = None
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if page:
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self.live_cache = True
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else:
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self.live_cache = False
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return self.live_cache
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def is_chords_active(self):
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"""
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Is chords active - call it and see but only once
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:return: if live is active or not
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"""
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if self.chords_cache is None:
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try:
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page = get_web_page("http://localhost:4316/chords")
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except Exception:
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page = None
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if page:
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self.chords_cache = True
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else:
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self.chords_cache = False
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return self.chords_cache
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