30 lines
556 B
JavaScript
30 lines
556 B
JavaScript
const db = require('../../RedisClient')
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function createCache(keyPrefix) {
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function createKey(key) {
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return keyPrefix + '-' + key
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}
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function set(key, value, expiry, callback) {
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db.setex(createKey(key), expiry, JSON.stringify(value), callback)
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}
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function get(key, callback) {
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db.get(createKey(key), function(error, value) {
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callback(error, value && JSON.parse(value))
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})
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}
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function del(key, callback) {
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db.del(createKey(key), callback)
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}
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return {
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set,
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get,
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del
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}
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}
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module.exports = createCache
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