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openlp/openlp/core/api/versions/v2/controller.py

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# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2022 OpenLP Developers #
# ---------------------------------------------------------------------- #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU 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 General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
import logging
from openlp.core.api.lib import login_required
from openlp.core.common import ThemeLevel
from openlp.core.common.registry import Registry
from openlp.core.lib import image_to_data_uri
from flask import jsonify, request, abort, Blueprint, Response
controller_views = Blueprint('controller', __name__)
log = logging.getLogger(__name__)
@controller_views.route('/live-items')
def controller_live_items():
log.debug('controller-v2-live-items')
live_controller = Registry().get('live_controller')
current_item = live_controller.service_item
live_item = {}
if current_item:
live_item = current_item.to_dict()
live_item['slides'][live_controller.selected_row]['selected'] = True
return jsonify(live_item)
@controller_views.route('/live-item')
def controller_live_item():
log.debug('controller-v2-live-item')
live_controller = Registry().get('live_controller')
current_item = live_controller.service_item
live_item = {}
if current_item:
live_item = current_item.to_dict(True, live_controller.selected_row)
return jsonify(live_item)
@controller_views.route('/show', methods=['POST'])
@login_required
def controller_set():
log.debug('controller-v2-show-post')
data = request.json
if not data:
log.error('Missing request data')
abort(400)
num = data.get('id', -1)
Registry().get('live_controller').slidecontroller_live_set.emit([num])
return '', 204
@controller_views.route('/progress', methods=['POST'])
@login_required
def controller_direction():
log.debug('controller-v2-progress-post')
ALLOWED_ACTIONS = ['next', 'previous']
data = request.json
if not data:
log.error('Missing request data')
abort(400)
action = data.get('action', '').lower()
if action not in ALLOWED_ACTIONS:
log.error('Invalid action passed ' + action)
abort(400)
getattr(Registry().get('live_controller'), 'slidecontroller_live_{action}'.
format(action=action)).emit()
return '', 204
@controller_views.route('/theme-level', methods=['GET'])
@login_required
def get_theme_level():
log.debug('controller-v2-theme-level-get')
theme_level = Registry().get('settings').value('themes/theme level')
if theme_level == ThemeLevel.Global:
theme_level = 'global'
elif theme_level == ThemeLevel.Service:
theme_level = 'service'
elif theme_level == ThemeLevel.Song:
theme_level = 'song'
return jsonify(theme_level)
@controller_views.route('/theme-level', methods=['POST'])
@login_required
def set_theme_level():
log.debug('controller-v2-theme-level-post')
data = request.json
if not data:
log.error('Missing request data')
abort(400)
theme_level = ''
try:
theme_level = str(data.get("level"))
except ValueError:
log.error('Invalid data passed ' + theme_level)
abort(400)
if theme_level == 'global':
Registry().get('settings').setValue('themes/theme level', 1)
elif theme_level == 'service':
Registry().get('settings').setValue('themes/theme level', 2)
elif theme_level == 'song':
Registry().get('settings').setValue('themes/theme level', 3)
else:
log.error('Unsupported data passed ' + theme_level)
abort(400)
Registry().get('theme_manager').theme_level_updated.emit()
return '', 204
@controller_views.route('/themes', methods=['GET'])
def get_themes():
"""
Gets a list of all existing themes
"""
log.debug('controller-v2-themes-get')
theme_level = Registry().get('settings').value('themes/theme level')
theme_list = []
current_theme = ''
if theme_level == ThemeLevel.Global:
current_theme = Registry().get('theme_manager').global_theme
if theme_level == ThemeLevel.Service:
current_theme = Registry().get('service_manager').service_theme
# Gets and appends theme list
themes = Registry().execute('get_theme_names')
try:
for theme in themes[0]:
# Gets the background path, get the thumbnail from it, and encode it to a base64 data uri
theme_path = Registry().get('theme_manager').theme_path
encoded_thumb = image_to_data_uri(theme_path / 'thumbnails' / '{file_name}.png'.format(file_name=theme))
# Append the theme to the list
theme_list.append({
'name': theme,
'selected': False,
'thumbnail': encoded_thumb
})
for i in theme_list:
if i["name"] == current_theme:
i["selected"] = True
except IndexError:
log.error('Missing theme passed ' + str(themes))
pass
return jsonify(theme_list)
@controller_views.route('/themes/<theme_name>', methods=['GET'])
def get_theme_data(theme_name):
"""
Get a theme's data
"""
log.debug(f'controller-v2-theme-data-get {theme_name}')
themes = Registry().execute('get_theme_names')[0]
if theme_name not in themes:
log.error('Requested non-existent theme')
abort(404)
theme_data = Registry().get('theme_manager').get_theme_data(theme_name).export_theme_self_contained(True)
return Response(theme_data, mimetype='application/json')
@controller_views.route('/live-theme', methods=['GET'])
def get_live_theme_data():
"""
Get the live theme's data
"""
log.debug('controller-v2-live-theme-data-get')
live_service_item = Registry().get('live_controller').service_item
if live_service_item:
theme_data = live_service_item.get_theme_data()
else:
theme_data = Registry().get('theme_manager').get_theme_data(None)
self_contained_theme = theme_data.export_theme_self_contained(True)
return Response(self_contained_theme, mimetype='application/json')
@controller_views.route('/theme', methods=['GET'])
def get_theme():
"""
Get the current theme name
"""
log.debug('controller-v2-theme-get')
theme_level = Registry().get('settings').value('themes/theme level')
if theme_level == ThemeLevel.Service:
theme = Registry().get('settings').value('servicemanager/service theme')
else:
theme = Registry().get('settings').value('themes/global theme')
return jsonify(theme)
@controller_views.route('/theme', methods=['POST'])
@login_required
def set_theme():
log.debug('controller-v2-themes-post')
data = request.json
theme = ''
theme_level = Registry().get('settings').value('themes/theme level')
if not data:
log.error('Missing request data')
abort(400)
try:
theme = str(data.get('theme'))
except ValueError:
log.error('Invalid data passed ' + theme)
abort(400)
if theme_level == ThemeLevel.Global:
Registry().get('settings').setValue('themes/global theme', theme)
Registry().get('theme_manager').theme_update_global.emit()
elif theme_level == ThemeLevel.Service:
Registry().get('settings').setValue('servicemanager/service theme', theme)
Registry().get('service_manager').theme_update_service.emit()
elif theme_level == ThemeLevel.Song:
log.error('Unimplemented method')
return '', 501
return '', 204
@controller_views.route('/clear/<controller>', methods=['POST'])
@login_required
def controller_clear(controller):
"""
Clears the slide controller display
:param controller: the Live or Preview controller
:return: HTTP return code
"""
log.debug(f'controller-v2-clear-get {controller}')
if controller in ['live', 'preview']:
getattr(Registry().get(f'{controller}_controller'), f'slidecontroller_{controller}_clear').emit()
return '', 204
else:
return '', 404
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