feat: user session resolver added for sessions updates

packages/hoppscotch-backend/src/user/user.service.ts

@@ -1,7 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
-import { UpdateUserInput, User } from './user.model';
-import { User as DbUser, Prisma } from '@prisma/client';
+import { SessionType, User } from './user.model';
 import * as E from 'fp-ts/lib/Either';
 import { USER_UPDATE_FAILED } from 'src/errors';
 import { PubSubService } from 'src/pubsub/pubsub.service';
@@ -15,37 +14,36 @@ export class UserService {
   ) {}
 
   /**
-   * Update a user's information
+   * Update a user's sessions
    * @param user User object
-   * @param updateData Properties to update
+   * @param currentRESTSession user's current REST session
+   * @param currentGQLSession user's current GQL session
    * @returns a Either of User or error
    */
-  async updateUser(
+  async updateUserSessions(
     user: User,
-    updateData: UpdateUserInput,
-  ): Promise<E.Either<string, User>> {
-    let { currentGQLSession, currentRESTSession, ...rest } = updateData;
-    let updateUserObj: Partial<DbUser> = rest;
+    currentSession: string,
+    sessionType: string,
+  ): Promise<E.Right<User> | E.Left<string>> {
+    const validatedSession = await this.validateSession(currentSession);
+    if (E.isLeft(validatedSession)) return E.left(validatedSession.left);
 
-    // Convert stringified JSON to JSON
-    if (updateData?.currentGQLSession !== undefined) {
-      const jsonGql = stringToJson(updateData.currentGQLSession);
-      if (E.isLeft<string>(jsonGql)) return jsonGql;
-
-      updateUserObj.currentGQLSession = jsonGql?.right ?? Prisma.DbNull;
-    }
-    if (updateData?.currentRESTSession !== undefined) {
-      const jsonRest = stringToJson(updateData.currentRESTSession);
-      if (E.isLeft<string>(jsonRest)) return jsonRest;
-
-      updateUserObj.currentRESTSession = jsonRest?.right ?? Prisma.DbNull;
-    }
-
-    // Update user
     try {
+      const sessionObj = {};
+      switch (sessionType) {
+        case SessionType.GQL:
+          sessionObj['currentGQLSession'] = validatedSession.right;
+          break;
+        case SessionType.REST:
+          sessionObj['currentRESTSession'] = validatedSession.right;
+          break;
+        default:
+          return E.left(USER_UPDATE_FAILED);
+      }
+
       const dbUpdatedUser = await this.prisma.user.update({
         where: { uid: user.uid },
-        data: updateUserObj,
+        data: sessionObj,
       });
 
       const updatedUser: User = {
@@ -66,4 +64,16 @@ export class UserService {
       return E.left(USER_UPDATE_FAILED);
     }
   }
+
+  /**
+   * Validate and parse currentRESTSession and currentGQLSession
+   * @param sessionData string of the session
+   * @returns a Either of JSON object or error
+   */
+  async validateSession(sessionData: string) {
+    const jsonSession = stringToJson(sessionData);
+    if (E.isLeft(jsonSession)) return E.left(jsonSession.left);
+
+    return E.right(jsonSession.right);
+  }
 }