incomplete but more performant redis module

bot/util/redis-new.js

@@ -0,0 +1,43 @@
+const redis = require('redis')
+const generators = require('redis-async-gen')
+
+class Redis {
+  constructor(client) {
+    this.client = client;
+  }
+
+  init () {
+    // Create redis client
+    this.global = redis.createClient(this.client.config.redis)
+    this.server = this.global.duplicate({ db: 1 })
+    this.member = this.global.duplicate({ db: 2 })
+    this.user = this.global.duplicate({ db: 3 })
+  }
+
+  // Deletes specified guild entry
+  async deleteGuild (id) {
+    this.server.del(id)
+    var { keysMatching } = await generators.using(this.member)
+    // eslint-disable-next-line no-unused-vars
+    for await (const key of keysMatching(id + '-*')) {
+      this.member.del(key)
+    }
+  }
+
+  // Deletes specified user and their member entries in guilds
+  async deleteUser (id) {
+    this.user.del(id)
+    var { keysMatching } = await generators.using(this.member)
+    // eslint-disable-next-line no-unused-vars
+    for await (const key of keysMatching('*-' + id)) {
+      this.member.del(key)
+    }
+  }
+
+  // Deletes member of user in specified guild
+  async deleteMember (guildId, id) {
+    this.member.del(guildId + '-' + id)
+  }
+}
+
+module.exports = Redis