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