♻️ refactor: refine payload before sending to frontend

src/modules/heroBanner/services/getActiveHeroBanner.service.ts

@@ -8,26 +8,31 @@ import { findAllActiveHeroBannerRepository } from "../repositories/GET/findAllAc
 export const getActiveHeroBannerService = async () => {
   try {
     // Check if Hero Banner is enabled in system preferences
-    const isHeroBannerEnabled = await findSystemPreferenceService(
-      "HERO_BANNER_ENABLED",
-      "boolean",
-    );
-    if (!isHeroBannerEnabled)
-      throw new AppError(403, "Hero Banner is disabled");
+    const isHeroBannerEnabled = await findSystemPreferenceService("HERO_BANNER_ENABLED", "boolean");
+    if (!isHeroBannerEnabled) throw new AppError(403, "Hero Banner is disabled");
 
     // Try to get active banners from Redis cache
-    const cachedBanners = await redis.get(
-      `${redisKey.filter((key) => key.name === "HERO_BANNER")[0].key}`,
-    );
+    const cachedBanners = await redis.get(`${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();
+    const constructedBanners = activeBanners.map((banner) => ({
+      id: banner.media.id,
+      title: banner.media.title,
+      slug: banner.media.slug,
+      imageUrl: banner.imageUrl || banner.media.pictureLarge,
+      synopsis: banner.media.synopsis,
+      genres: banner.media.genres.map((genre) => ({
+        slug: genre.slug,
+        name: genre.name,
+      })),
+    }));
     await redis.set(
       `${redisKey.filter((key) => key.name === "HERO_BANNER")[0].key}`,
-      JSON.stringify(activeBanners),
+      JSON.stringify(constructedBanners),
     );
-    return activeBanners;
+    return constructedBanners;
   } catch (error) {
     ErrorForwarder(error);
   }