From ed1d248ab6601f773af7ac5dc3e8db6a6bc73894 Mon Sep 17 00:00:00 2001
From: Miodec <bartnikjack@gmail.com>
Date: Fri, 25 Mar 2022 15:25:03 +0100
Subject: [PATCH] allowing to run backend without redis

---
 backend/init/redis.ts | 12 +++++++++---
 backend/server.ts     | 12 +++++++-----
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/backend/init/redis.ts b/backend/init/redis.ts
index b473f9f5c..2758d96e9 100644
--- a/backend/init/redis.ts
+++ b/backend/init/redis.ts
@@ -4,15 +4,20 @@ class RedisClient {
   static connection: IORedis.Redis;
   static connected = false;
 
-  static async connect(): Promise<void> {
+  static async connect(): Promise<boolean> {
     if (this.connected) {
-      return;
+      return true;
     }
 
     const { REDIS_URI } = process.env;
 
     if (!REDIS_URI) {
-      throw new Error("No redis configuration provided");
+      if (process.env.MODE === "dev") {
+        console.log("No redis configuration provided. Running without redis.");
+        return false;
+      } else {
+        throw new Error("No redis configuration provided");
+      }
     }
 
     this.connection = new IORedis(REDIS_URI, {
@@ -24,6 +29,7 @@ class RedisClient {
     try {
       await this.connection.connect();
       this.connected = true;
+      return true;
     } catch (error) {
       console.error(error.message);
       console.error(
diff --git a/backend/server.ts b/backend/server.ts
index c93250a45..ad6169b9e 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -31,12 +31,14 @@ async function bootServer(port: number): Promise<Server> {
     console.log("Live configuration fetched");
 
     console.log("Connecting to redis...");
-    await RedisClient.connect();
-    console.log("Connected to redis");
+    const redisConnected = await RedisClient.connect();
+    if (redisConnected) console.log("Connected to redis");
 
-    console.log("Initializing task queues...");
-    George.initJobQueue(RedisClient.getConnection());
-    console.log("Task queues initialized");
+    if (redisConnected) {
+      console.log("Initializing task queues...");
+      George.initJobQueue(RedisClient.getConnection());
+      console.log("Task queues initialized");
+    }
 
     console.log("Starting cron jobs...");
     jobs.forEach((job) => job.start());