sending 5 random activities in the get surprise me api

src/modules/user/services/user.service.ts

@@ -1687,6 +1687,82 @@ export class UserService {
         }),
       ]);
 
+      /* =====================================================
+        RANDOM ACTIVITIES (5 COVER IMAGES)
+===================================================== */
+
+      const totalActiveCount = await tx.activities.count({
+        where: {
+          isActive: true,
+          activityInternalStatus: ACTIVITY_INTERNAL_STATUS.ACTIVITY_LISTED,
+          amInternalStatus: ACTIVITY_AM_INTERNAL_STATUS.ACTIVITY_LISTED,
+          deletedAt: null,
+          id: {
+            notIn: safeExcludedIds,
+          },
+          ...excludeUserInterestCondition,
+        },
+      });
+
+      let randomActivities: any[] = [];
+
+      if (totalActiveCount > 0) {
+        const takeCount = Math.min(5, totalActiveCount);
+
+        const randomOffsets = new Set<number>();
+
+        while (randomOffsets.size < takeCount) {
+          randomOffsets.add(Math.floor(Math.random() * totalActiveCount));
+        }
+
+        const randomFetched = await Promise.all(
+          Array.from(randomOffsets).map((offset) =>
+            tx.activities.findFirst({
+              skip: offset,
+              where: {
+                isActive: true,
+                activityInternalStatus: ACTIVITY_INTERNAL_STATUS.ACTIVITY_LISTED,
+                amInternalStatus: ACTIVITY_AM_INTERNAL_STATUS.ACTIVITY_LISTED,
+                deletedAt: null,
+                id: {
+                  notIn: safeExcludedIds,
+                },
+                ...excludeUserInterestCondition,
+              },
+              select: {
+                id: true,
+                activityTitle: true,
+                ActivitiesMedia: {
+                  where: { isActive: true, isCoverImage: true },
+                  orderBy: { displayOrder: 'asc' },
+                  take: 1,
+                  select: {
+                    mediaFileName: true,
+                  },
+                },
+              },
+            }),
+          ),
+        );
+
+        randomActivities = await Promise.all(
+          randomFetched
+            .filter(Boolean)
+            .map(async (activity) => {
+              const cover = activity!.ActivitiesMedia?.[0];
+
+              return {
+                activityId: activity!.id,
+                activityTitle: activity!.activityTitle,
+                coverImage: cover?.mediaFileName ?? null,
+                coverImagePresignedUrl: cover?.mediaFileName
+                  ? await attachPresignedUrl(cover.mediaFileName)
+                  : null,
+              };
+            }),
+        );
+      }
+
       /* =====================================================
                7️⃣ FINAL RESPONSE
             ===================================================== */
@@ -1695,6 +1771,7 @@ export class UserService {
         interests: interestsWithActivities,
         interestedCount: interestedActivityIds.length,
         bucketCount: bucketActivityIds.length,
+        randomActivities,
 
         mostHypedActivities: {
           page,