b0e1f4969a
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Forgejo Android APK / Build signed APK (push) Successful in 2m15s
45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
var { createClient } = require('redis');
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var client = null;
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var connecting = null;
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async function getRedis() {
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var url = process.env.REDIS_URL;
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if (!url) return null;
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if (client && client.isOpen) return client;
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if (connecting) return connecting;
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client = createClient({ url: url });
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client.on('error', function(err) {
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console.warn('[redis]', err.message);
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});
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connecting = client.connect().then(function() {
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connecting = null;
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return client;
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}).catch(function(err) {
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connecting = null;
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console.warn('[redis] unavailable:', err.message);
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return null;
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});
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return connecting;
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}
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async function getJson(key) {
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var redis = await getRedis();
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if (!redis) return null;
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var value = await redis.get(key);
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if (!value) return null;
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try { return JSON.parse(value); } catch (e) { return null; }
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}
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async function setJson(key, value, ttlSeconds) {
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var redis = await getRedis();
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if (!redis) return false;
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if (ttlSeconds && Number(ttlSeconds) > 0) {
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await redis.set(key, JSON.stringify(value), { EX: Math.floor(Number(ttlSeconds)) });
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} else {
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await redis.set(key, JSON.stringify(value));
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}
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return true;
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}
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module.exports = { getRedis, getJson, setJson };
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