fix: save minimal data to users_<id> key of Redis

src/main/java/com/iemr/ecd/utils/mapper/JwtAuthenticationUtil.java

@@ -104,6 +104,7 @@ private Users getUserFromCache(String userId) {
 		return user; // Returns null if not found
 	}
 
+
 	private Users fetchUserFromDB(String userId) {
 		// This method will only be called if the user is not found in Redis.
 		String redisKey = "user_" + userId; // Redis key format
@@ -112,15 +113,21 @@ private Users fetchUserFromDB(String userId) {
 		Users user = userLoginRepo.getUserByUserID(Long.parseLong(userId));
 
 		if (user != null) {
-			// Cache the user in Redis for future requests (cache for 30 minutes)
-			redisTemplate.opsForValue().set(redisKey, user, 30, TimeUnit.MINUTES);
+			Users userHash = new Users();
+			userHash.setUserID(user.getUserID());
+			userHash.setUserName(user.getUserName());
+
+			// Cache the minimal user in Redis for future requests (cache for 30 minutes)
+			redisTemplate.opsForValue().set(redisKey, userHash, 30, TimeUnit.MINUTES);
 
 			// Log that the user has been stored in Redis
 			logger.info("User stored in Redis with key: " + redisKey);
+
+			return user;
 		} else {
 			logger.warn("User not found for userId: " + userId);
 		}
 
-		return user;
+		return null;
 	}
 }