feat: Add new Redis caching to queries

utils/config.ts

@@ -16,6 +16,13 @@ export interface ConfigType {
 			password: string;
 			database: number | null;
 		};
+		cache: {
+			host: string;
+			port: number;
+			password: string;
+			database: number | null;
+			enabled: boolean;
+		};
 	};
 
 	http: {
@@ -159,7 +166,14 @@ export const configDefaults: ConfigType = {
 			host: "localhost",
 			port: 6379,
 			password: "",
-			database: null,
+			database: 0,
+		},
+		cache: {
+			host: "localhost",
+			port: 6379,
+			password: "",
+			database: 1,
+			enabled: false,
 		},
 	},
 	instance: {

utils/redis.ts

@@ -0,0 +1,60 @@
+import { getConfig } from "@config";
+import type { Prisma } from "@prisma/client";
+import chalk from "chalk";
+import Redis from "ioredis";
+import { createPrismaRedisCache } from "prisma-redis-middleware";
+
+const config = getConfig();
+
+const cacheRedis = config.redis.cache.enabled
+	? new Redis({
+			host: config.redis.cache.host,
+			port: Number(config.redis.cache.port),
+			password: config.redis.cache.password,
+			db: Number(config.redis.cache.database ?? 0),
+	  })
+	: null;
+
+cacheRedis?.on("error", e => {
+	console.log(e);
+});
+
+export { cacheRedis };
+
+export const initializeRedisCache = async () => {
+	if (cacheRedis) {
+		// Test connection
+		try {
+			await cacheRedis.ping();
+		} catch (e) {
+			console.error(
+				`${chalk.red(`✗`)} ${chalk.bold(
+					`Error while connecting to Redis`
+				)}`
+			);
+			throw e;
+		}
+
+		console.log(`${chalk.green(`✓`)} ${chalk.bold(`Connected to Redis`)}`);
+
+		const cacheMiddleware: Prisma.Middleware = createPrismaRedisCache({
+			storage: {
+				type: "redis",
+				options: {
+					client: cacheRedis,
+					invalidation: {
+						referencesTTL: 300,
+					},
+				},
+			},
+			cacheTime: 300,
+			onError: e => {
+				console.error(e);
+			},
+		});
+
+		return cacheMiddleware;
+	}
+
+	return null;
+};