🚚 create backup folder

create backup folder for archive the old modules

backup/modules/auth/services/authVerification.service.ts

@@ -0,0 +1,44 @@
+import { AppError } from "../../../helpers/error/instances/app";
+import { ErrorForwarder } from "../../../helpers/error/instances/forwarder";
+import { jwtDecode } from "../../../helpers/http/jwt/decode";
+import { checkUserSessionInCacheService } from "../../userSession/services/checkUserSessionInCache.service";
+import { getUserSessionFromDBService } from "../../userSession/services/getUserSessionFromDB.service";
+import { storeUserSessionToCacheService } from "../../userSession/services/storeUserSessionToCache.service";
+import { JWTSessionPayload } from "../auth.types";
+
+export const authVerificationService = async (cookie: string) => {
+  try {
+    // Decode the JWT token to get the session payload
+    const jwtSession = jwtDecode(cookie) as JWTSessionPayload;
+
+    // Check if the session exists in Redis
+    const sessionCheckOnRedis = await checkUserSessionInCacheService(
+      jwtSession.userId,
+      jwtSession.id
+    );
+
+    if (!sessionCheckOnRedis) {
+      // If not found in Redis, check the database
+      const sessionCheckOnDB = await getUserSessionFromDBService(jwtSession.id);
+
+      // If the session found in the database, store it in Redis. if not, throw an error
+      if (!sessionCheckOnDB) {
+        throw new AppError(401, "Session invalid or expired");
+      } else {
+        // Store the session in Redis with the remaining time until expiration
+        const timeExpires = Math.floor(
+          (new Date(sessionCheckOnDB.validUntil).getTime() -
+            new Date().getTime()) /
+            1000
+        );
+        await storeUserSessionToCacheService(sessionCheckOnDB, timeExpires);
+        return sessionCheckOnDB;
+      }
+    } else {
+      // If the session is found in Redis, return it
+      return jwtSession;
+    }
+  } catch (error) {
+    ErrorForwarder(error, 401, "Token is invalid");
+  }
+};