introduce a function to receive user data

src/auth/auth.service.ts

@@ -6,7 +6,7 @@ import { InjectModel } from '@nestjs/mongoose';
 import { Model } from 'mongoose';
 import { catchError, lastValueFrom, map } from 'rxjs';
 
-import { UserDocument } from './models/user.model';
+import { User, UserDocument } from './models/user.model';
 
 @Injectable()
 export class AuthService {
@@ -66,7 +66,7 @@ export class AuthService {
     );
 
     if (userdata.oauth.token_valid) {
-      let fullName = 'Private';
+      let fullName = '';
       if (userdata.personal !== undefined) {
         fullName = userdata.personal.name_full;
       }
@@ -97,4 +97,17 @@ export class AuthService {
 
     return undefined;
   }
+
+  async user(token: string): Promise<User> {
+    const payload = this.jwtService.verify(token, {
+      secret: this.config.get<string>('server.jwt-secret'),
+    });
+
+    return this.userModel
+      .findOne({ vatsimId: payload.vatsimId })
+      .then((user) => {
+        if (!user) return undefined;
+        return user;
+      });
+  }
 }