From afcd2348e0cf809533fa99878acd542170f611a5 Mon Sep 17 00:00:00 2001
From: Rafi Arrafif <rafiarrafif05@gmail.com>
Date: Thu, 5 Mar 2026 16:42:08 +0700
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=20perf:=20cache=20banners=20with=20Re?=
 =?UTF-8?q?dis?=
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---
 src/config/redis/key.ts                         |  7 +++++++
 .../services/getActiveHeroBanner.service.ts     | 17 ++++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 src/config/redis/key.ts

diff --git a/src/config/redis/key.ts b/src/config/redis/key.ts
new file mode 100644
index 0000000..52ad1c9
--- /dev/null
+++ b/src/config/redis/key.ts
@@ -0,0 +1,7 @@
+export const redisKey = [
+  {
+    name: "HERO_BANNER",
+    description: "Key for caching active hero banner data",
+    key: `${process.env.APP_NAME}:system:banner`,
+  },
+];
diff --git a/src/modules/heroBanner/services/getActiveHeroBanner.service.ts b/src/modules/heroBanner/services/getActiveHeroBanner.service.ts
index 475c210..47ec2cf 100644
--- a/src/modules/heroBanner/services/getActiveHeroBanner.service.ts
+++ b/src/modules/heroBanner/services/getActiveHeroBanner.service.ts
@@ -1,10 +1,13 @@
+import { redisKey } from "../../../config/redis/key";
 import { AppError } from "../../../helpers/error/instances/app";
 import { ErrorForwarder } from "../../../helpers/error/instances/forwarder";
+import { redis } from "../../../utils/databases/redis/connection";
 import { findSystemPreferenceService } from "../../systemPreference/services/internal/findSystemPreference.service";
 import { findAllActiveHeroBannerRepository } from "../repositories/GET/findAllActiveHeroBanner.repository";
 
 export const getActiveHeroBannerService = async () => {
   try {
+    // Check if Hero Banner is enabled in system preferences
     const isHeroBannerEnabled = await findSystemPreferenceService(
       "HERO_BANNER_ENABLED",
       "boolean",
@@ -12,7 +15,19 @@ export const getActiveHeroBannerService = async () => {
     if (!isHeroBannerEnabled)
       throw new AppError(403, "Hero Banner is disabled");
 
-    return await findAllActiveHeroBannerRepository();
+    // Try to get active banners from Redis cache
+    const cachedBanners = await redis.get(
+      `${redisKey.filter((key) => key.name === "HERO_BANNER")[0].key}`,
+    );
+    if (cachedBanners) return JSON.parse(cachedBanners);
+
+    // If not in cache, fetch from database and cache the result
+    const activeBanners = await findAllActiveHeroBannerRepository();
+    await redis.set(
+      `${redisKey.filter((key) => key.name === "HERO_BANNER")[0].key}`,
+      JSON.stringify(activeBanners),
+    );
+    return activeBanners;
   } catch (error) {
     ErrorForwarder(error);
   }