add default value in forwarder error

src/helpers/error/instances/forwarder.ts

@@ -1,9 +1,9 @@
 import { AppError } from "./app";
 
 export function ErrorForwarder(
-  statusCode: number,
+  cause: unknown,
-  message: string,
+  statusCode: number = 500,
-  cause: unknown
+  message: string = "Unexpected error"
 ): never {
   if (cause instanceof AppError) {
     throw cause;

src/modules/auth/controller/authVerification.controller.ts

@@ -11,13 +11,16 @@ import { COOKIE_KEYS } from "../../../constants/cookie.keys";
 
 export const authVerification = async (ctx: Context) => {
   try {
+    // Get the auth token from cookies
     const cookie = getCookie(ctx);
     if (!cookie.auth_token)
       return returnErrorResponse(ctx.set, 401, "Auth token not found");
 
+    // Verify the auth token and get the user session
     const authService = await authVerificationService(cookie.auth_token);
     return returnWriteResponse(ctx.set, 200, "User authenticated", authService);
   } catch (error) {
+    // If token is invalid or expired, clear the auth cookie and return an error response
     clearCookies(ctx.set, [COOKIE_KEYS.AUTH]);
     return mainErrorHandler(ctx.set, error);
   }

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

@@ -1,7 +1,8 @@
 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 { getUserSessionService } from "../../userSession/services/getUserSession.service";
+import { getUserSessionFromDBService } from "../../userSession/services/getUserSessionFromDB.service";
 import { storeUserSessionToCacheService } from "../../userSession/services/storeUserSessionToCache.service";
 import { JWTSessionPayload } from "../auth.types";
 
@@ -18,14 +19,10 @@ export const authVerificationService = async (cookie: string) => {
 
     if (!sessionCheckOnRedis) {
       // If not found in Redis, check the database
-      const sessionCheckOnDB = await getUserSessionService(jwtSession.id);
+      const sessionCheckOnDB = await getUserSessionFromDBService(jwtSession.id);
 
       // If the session found in the database, store it in Redis. if not, throw an error
-      if (
+      if (!sessionCheckOnDB) {
-        !sessionCheckOnDB ||
-        !sessionCheckOnDB.isAuthenticated ||
-        new Date(sessionCheckOnDB.validUntil) < new Date()
-      ) {
         throw new AppError(401, "Session invalid or expired");
       } else {
         // Store the session in Redis with the remaining time until expiration
@@ -38,9 +35,10 @@ export const authVerificationService = async (cookie: string) => {
         return sessionCheckOnDB;
       }
     } else {
+      // If the session is found in Redis, return it
       return jwtSession;
     }
   } catch (error) {
-    throw new AppError(401, "Token is invalid", error);
+    ErrorForwarder(error, 401, "Token is invalid");
   }
 };

src/modules/debug/debug.service.ts

@@ -6,6 +6,6 @@ export const debugService = async () => {
     const dataFromService = await debug2Service();
     return dataFromService;
   } catch (error) {
-    ErrorForwarder(402, "Error from 1", error);
+    ErrorForwarder(error);
   }
 };

src/modules/debug/debug2.service.ts

@@ -6,6 +6,6 @@ export const debug2Service = async () => {
     const dataFromService = await debug3Service();
     return dataFromService;
   } catch (error) {
-    ErrorForwarder(402, "Error from 2", error);
+    ErrorForwarder(error, 502);
   }
 };

src/modules/debug/debug3.service.ts

@@ -1,5 +1,9 @@
 import { AppError } from "../../helpers/error/instances/app";
+import { ErrorForwarder } from "../../helpers/error/instances/forwarder";
 
 export const debug3Service = async () => {
-  throw new AppError(402, "Error from 3");
+  // throw new AppError(402, "Error from 3");
+  const data = "RAWR";
+  // return data;
+  ErrorForwarder(data);
 };

src/modules/userSession/repositories/findUniqueUserSessionInDB.repository.ts

@@ -1,6 +1,8 @@
+import { AppError } from "../../../helpers/error/instances/app";
 import { prisma } from "../../../utils/databases/prisma/connection";
 
 export const findUniqueUserSessionInDBRepo = async (identifier: string) => {
+  try {
     const userSession = await prisma.userSession.findUnique({
       where: {
         id: identifier,
@@ -22,5 +24,10 @@ export const findUniqueUserSessionInDBRepo = async (identifier: string) => {
       },
     });
 
+    if (!userSession) return false;
+
     return userSession;
+  } catch (error) {
+    throw new AppError(500, "Database Error", error);
+  }
 };

src/modules/userSession/services/checkUserSessionInCache.service.ts

@@ -1,12 +1,19 @@
-import { AppError } from "../../../helpers/error/instances/app";
+import { ErrorForwarder } from "../../../helpers/error/instances/forwarder";
 import { checkUserSessionInCacheRepo } from "../repositories/checkUserSessionInCache.repository";
 
 export const checkUserSessionInCacheService = async (
   userId: string,
   sessionId: string
 ) => {
+  try {
+    // Construct the Redis key name using the userId and sessionId
     const redisKeyName = `${process.env.app_name}:users:${userId}:sessions:${sessionId}`;
 
+    // Check if the user session exists in Redis
     const userSessionInRedis = await checkUserSessionInCacheRepo(redisKeyName);
     return userSessionInRedis;
+  } catch (error) {
+    // Forward the error with a 400 status code and a message
+    ErrorForwarder(error, 400, "Bad Request");
+  }
 };

src/modules/userSession/services/getUserSession.service.ts

@@ -1,11 +0,0 @@
-import { AppError } from "../../../helpers/error/instances/app";
-import { findUniqueUserSessionInDBRepo } from "../repositories/findUniqueUserSessionInDB.repository";
-
-export const getUserSessionService = async (identifier: string) => {
-  try {
-    const userSession = await findUniqueUserSessionInDBRepo(identifier);
-    return userSession;
-  } catch (error) {
-    throw new AppError(401, "Unable to get user session", error);
-  }
-};

src/modules/userSession/services/getUserSessionFromDB.service.ts

@@ -0,0 +1,23 @@
+import { AppError } from "../../../helpers/error/instances/app";
+import { findUniqueUserSessionInDBRepo } from "../repositories/findUniqueUserSessionInDB.repository";
+
+export const getUserSessionFromDBService = async (identifier: string) => {
+  try {
+    // Check is session exists in DB
+    const userSession = await findUniqueUserSessionInDBRepo(identifier);
+
+    // If session not found, return false
+    if (
+      !userSession ||
+      !userSession.isAuthenticated ||
+      new Date(userSession.validUntil) < new Date()
+    )
+      return false;
+
+    // If session found, return it
+    return userSession;
+  } catch (error) {
+    // If any DB error occurs, throw an AppError
+    throw new AppError(401, "Unable to get user session", error);
+  }
+};

src/modules/userSession/services/storeUserSessionToCache.service.ts

@@ -7,9 +7,11 @@ export const storeUserSessionToCacheService = async (
   timeExpires: number
 ) => {
   try {
+    // Store user session in cache with expiration time
     await storeUserSessionToCacheRepo(userSession, timeExpires);
     return;
   } catch (error) {
+    // If any error occurs while storing session in cache, throw an AppError
     throw new AppError(401, "Failed to store user session to cache");
   }
 };