# all files / Caches/ RedisCache.js

18.18% Statements 2/11
0% Branches 0/4
0% Functions 0/5
18.18% Lines 2/11

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    471×

    1×
     import redis from 'redis'

    // The set/get are pretty inefficient, but this will do for now.

    class RedisCache {
        constructor(opts) {
            const options = Object.assign(
                {
                    host: '127.0.0.1',
                    port: 6379,
                    keyPrefix: 'kayn-',
                },
                opts || {},
            )

            this.client = redis.createClient(options)

            // Should probably remove this...
            this.client.on('error', function(err) {
                console.log('Redis error:', err)
            })

            this.prefix = options.keyPrefix
        }

        get(args, cb) {
            this.client.get(this.prefix + args.key, (err, reply) => {
                reply ? cb(err, JSON.parse(reply)) : cb(err)
                return
            })
        }

        set(args, value) {
            this.client.setex(
                this.prefix + args.key,
                args.ttl,
                JSON.stringify(value),
            )
        }

        flushCache(cb) {
            this.client.flushdb(cb)
        }
    }

    export default RedisCache