SpaceCache/app.js
2023-01-18 17:28:38 +01:00

40 lines
No EOL
1.3 KiB
JavaScript

const config = require("./config.json");
const spaces = require("./spaces.json");
const { setInterval } = require("node:timers/promises");
const fetch = require("node-fetch");
const NodeCache = require("node-cache");
const jp = require('jsonpath');
const cache = new NodeCache({ stdTTL: config.checkperiod * 3 });
(async function () {
for await (const time of setInterval(config.checkperiod * 10)) {
console.log("Checking for spaces...");
for (const space of spaces) {
console.log(`Checking ${space.id}...`);
let o = await checkSpace(space);
console.log(`Space ${space.id} is ${o ? "open" : "closed"}`);
}
}
})();
async function checkSpace(space) {
try {
const response = await fetch(space.endpoint);
const data = await response.json();
} catch (error) {
console.error(error);
}
let open;
if (!space.path) {
try { open = data.state.open; }
catch { console.error(`The space ${space.id} is not using the SpaceAPI standard. Please specify a path.`); }
} else {
try { open = (jp.query(data, space.path) == (space.expected ? space.expected : true)); }
catch { console.error(`The space ${space.id} has an invalid JSONPath to the target value. Please use https://jsonpath.com/ to evaluate the path.`); }
}
return open;
}