expose is active in service

src/Graphql/graphql.service.ts

@@ -1,4 +1,41 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+
+import { PrismaService } from '../Prisma/prisma.service';
+import { Request } from 'express';
+import { clerkClient } from '@clerk/express';
 
 @Injectable()
-export class GraphqlService {}
+export class GraphqlService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async acquireContext(req: Request) {
+    // development flag
+    const isDevelopment = process.env.NODE_ENV === 'development';
+    if (isDevelopment) {
+      return null;
+    }
+    // get x-session-id from headers
+    let sessionId;
+    try {
+      sessionId = req.headers['x-session-id'];
+      //eslint-disable-next-line @typescript-eslint/no-unused-vars
+    } catch (error) {
+      throw new UnauthorizedException('Must provide a session ID');
+    }
+    if (!sessionId) {
+      throw new UnauthorizedException('Session ID is required');
+    }
+    // check if the token is valid
+    const session = await clerkClient.sessions.getSession(sessionId as string);
+    if (!session) {
+      throw new UnauthorizedException('Invalid session');
+    }
+    const user = await this.prisma.user.findUnique({
+      where: { id: session.userId },
+    });
+    if (!user) {
+      throw new UnauthorizedException('User not found');
+    }
+    return user;
+  }
+}