136 lines
3.2 KiB
TypeScript
136 lines
3.2 KiB
TypeScript
/*
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This file is part of »munin«.
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Copyright 2025 'Fenris Wolf' <fenris@folksprak.org>
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»munin« is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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»munin« 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with »munin«. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace _munin.sources.ical_feed
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{
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/**
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*/
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export type type_parameters = {
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url : string;
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filtration : {
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category_blacklist : Array<string>;
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title_blacklist : Array<string>;
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};
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};
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/**
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*/
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async function fetch(
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parameters : type_parameters
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) : Promise<Array<_munin.type_event>>
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{
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const url : lib_plankton.url.type_url = lib_plankton.url.decode(parameters.url);
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const http_request : lib_plankton.http.type_request = {
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"scheme": (url.scheme as ("http" | "https")),
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"host": url.host,
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"path": url.path,
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"version": "HTTP/2",
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"method": lib_plankton.http.enum_method.get,
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"query": ("?" + url.query),
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"headers": {},
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"body": null,
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};
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const http_response : lib_plankton.http.type_response = await lib_plankton.http.call(http_request);
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const ics : string = http_response.body.toString();
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const vcalendar : lib_plankton.ical.type_vcalendar = lib_plankton.ical.ics_decode(ics);
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const events : Array<_munin.type_event> = (
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vcalendar.vevents
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.filter(
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vevent => (
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// category
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(
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vevent.categories.every(
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category => (
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! (
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parameters.filtration.category_blacklist
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.map(category_ => category_.toLowerCase())
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.includes(category.toLowerCase())
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)
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)
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)
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)
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&&
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// title
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(
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parameters.filtration.title_blacklist.every(
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title => (
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! (
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vevent.summary.toLowerCase()
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.includes(title.toLowerCase())
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)
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)
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)
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)
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)
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)
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.map(
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vevent => {
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/**
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* @todo würg!
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*/
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const timezone_shift : int = lib_plankton.pit.timezone_shift_ce(
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lib_plankton.pit.from_datetime(
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{
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"timezone_shift": 0,
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"date": vevent.dtstart.value.date,
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"time": vevent.dtstart.value.time,
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}
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)
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);
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const begin : lib_plankton.pit.type_datetime = {
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"timezone_shift": timezone_shift,
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"date": vevent.dtstart.value.date,
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"time": vevent.dtstart.value.time,
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};
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const end : lib_plankton.pit.type_datetime = {
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"timezone_shift": timezone_shift,
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"date": vevent.dtend.value.date,
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"time": vevent.dtend.value.time,
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};
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const event : _munin.type_event = {
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"title": vevent.summary,
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"begin": begin,
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"end": end,
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"location": (vevent.location ?? null),
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};
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return event;
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}
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)
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);
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return events;
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}
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/**
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*/
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export function implementation_source(
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parameters : type_parameters
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) : _munin.type_source
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{
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return {
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"fetch": () => fetch(parameters),
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};
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}
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}
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