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Add redis caching for 404s

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This commit is contained in:
Ajay Ramachandran
2021-02-20 21:13:46 -05:00
parent 597dff7ac3
commit 01d318d902
6 changed files with 73 additions and 13 deletions
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24
src/utils/redis.ts
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@@ -2,15 +2,33 @@ import {config} from '../config';
import {Logger} from './logger';
import redis, {Callback} from 'redis';
let exportObject = {
get: (key: string, callback?: Callback<string | null>) => callback(null, undefined),
set: (key: string, value: string, callback?: Callback<string | null>) => callback(null, undefined)
interface RedisSB {
get(key: string, callback?: Callback<string | null>): void;
getAsync?(key: string): Promise<{err: Error | null, reply: string | null}>;
set(key: string, value: string, callback?: Callback<string | null>): void;
setAsync?(key: string, value: string): Promise<{err: Error | null, reply: string | null}>;
delAsync?(...keys: [string]): Promise<Error | null>;
}
let exportObject: RedisSB = {
get: (key, callback?) => callback(null, undefined),
getAsync: (key) =>
new Promise((resolve) => resolve({err: null, reply: undefined})),
set: (key, value, callback) => callback(null, undefined),
setAsync: (key, value) =>
new Promise((resolve) => resolve({err: null, reply: undefined})),
delAsync: (...keys) =>
new Promise((resolve) => resolve(null)),
};
if (config.redis) {
Logger.info('Connected to redis');
const client = redis.createClient(config.redis);
exportObject = client;
exportObject.getAsync = (key) => new Promise((resolve) => client.get(key, (err, reply) => resolve({err, reply})));
exportObject.setAsync = (key, value) => new Promise((resolve) => client.set(key, value, (err, reply) => resolve({err, reply})));
exportObject.delAsync = (...keys) => new Promise((resolve) => client.del(keys, (err) => resolve(err)));
}
export default exportObject;