72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
/*
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temperato.ts - Driver of querying service
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Copyright (C) 2021,2022 William R. Moore <william@nerderium.com>
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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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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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You should have received a copy of the GNU General Public License along
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with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'dotenv/config';
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import fetch from 'node-fetch';
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import { Gotify, gotify } from 'gotify';
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import { isBefore } from 'date-fns';
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const PORT = parseInt(process.env.PORT) || 3000;
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const SET_POINT = parseFloat(process.env.SET_POINT);
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const MESSAGE = process.env.MESSAGE;
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const EARLY_WARNING = parseFloat(process.env.EARLY_WARNING ?? process.env.SET_POINT);
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const EARLY_WARNING_MESSAGE = process.env.EARLY_WARNING_MESSAGE;
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const ENDPOINT = process.env.ENDPOINT;
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const GOTIFY_HOST = process.env.GOTIFY_HOST;
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const GOTIFY_TOKEN = process.env.GOTIFY_TOKEN;
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const TICK_THRESHOLD = parseInt(process.env.TICK_THRESHOLD ?? '15');
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const SLEEP_TIMER = 3000;
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async function temperatoTick() {
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try {
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const response = await fetch(ENDPOINT, {
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timeout: 5000,
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});
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const data: any = await response.json();
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const value = data
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.reduce((accum: any, datum: any) => (((accum && isBefore(new Date(accum?.timestamp), new Date(datum?.timestamp))) || !accum) ? datum : accum))
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.value;
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if (value < SET_POINT && value >= EARLY_WARNING) {
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await gotify({
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server: GOTIFY_HOST,
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app: GOTIFY_TOKEN,
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title: 'Warning!',
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message: EARLY_WARNING_MESSAGE,
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priority: 10,
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});
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}
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if (value >= SET_POINT) {
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await gotify({
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server: GOTIFY_HOST,
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app: GOTIFY_TOKEN,
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title: 'Alert!',
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message: MESSAGE,
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priority: 10,
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});
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}
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} catch (e) {
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console.error(new Date(), e);
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} finally {
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setTimeout(() => temperatoTick(), SLEEP_TIMER);
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}
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}
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setTimeout(() => temperatoTick(), SLEEP_TIMER);
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