NestJs Graphql Mongodb Authentication Error - mongodb

Question

Auth.service.ts
import { Injectable } from '#nestjs/common';
import { JwtService } from '#nestjs/jwt';
import { SearchUserOutput } from 'src/users/dto/search-user.output';
import { UsersService } from '../users/users.service';
#Injectable()
export class AuthService {
constructor(
private usersService: UsersService,
private jwtService: JwtService,
) {}
async validateUser(username: string, password: string): Promise<SearchUserOutput> {
const user = await this.usersService.findOne(username);
if (user && user.password == password) {
const { password, ...result } = user;
return result;
}
return null;
}
async login(user: SearchUserOutput,role:string) {
return {
accessToken: this.jwtService.sign({
username: user.username,
role: role
}),
user,
};
}
}
Auth.resolver.ts
import { UseGuards } from '#nestjs/common';
import { Args, Context, Mutation, Resolver } from '#nestjs/graphql';
import { AuthService } from './auth.service';
import { LoginUserInput } from './dto/login-user.input';
import { LoginResponse } from './dto/login-response.ouput';
import { GqlAuthGuard } from './guards/gql-auth.guard';
#Resolver()
export class AuthResolver {
constructor(private authService: AuthService) {}
#Mutation(() => LoginResponse)
#UseGuards(GqlAuthGuard)
loginUser(
#Args('loginUserInput') loginUserInput: LoginUserInput,
#Context() context
): Promise<LoginResponse> {
return this.authService.login(context.user,'user');
}
}
Auth.module.ts
import { Module } from '#nestjs/common';
import { JwtModule } from '#nestjs/jwt';
import { MongooseModule } from '#nestjs/mongoose';
import { PassportModule } from '#nestjs/passport';
import { UserSchema } from 'src/users/entities/user.entity';
import { UsersModule } from 'src/users/users.module';
import { AuthResolver } from './auth.resolver';
import { AuthService } from './auth.service';
import { JwtStrategy } from './strategies/jwt.strategy';
import { LocalStrategy } from './strategies/local.strategy';
#Module({
imports: [PassportModule,UsersModule,JwtModule.register({
secret: 'secret',
signOptions: { expiresIn: '30d' },
}),MongooseModule.forFeature([{ name: 'User', schema: UserSchema }])],
providers: [AuthResolver, AuthService,LocalStrategy,JwtStrategy]
})
export class AuthModule {}
local.strategy.ts
import { Injectable, UnauthorizedException } from '#nestjs/common';
import { PassportStrategy } from '#nestjs/passport';
import { AuthService } from '../auth.service';
import { Strategy } from 'passport-local';
import { SearchUserOutput } from 'src/users/dto/search-user.output';
#Injectable()
export class LocalStrategy extends PassportStrategy(Strategy) {
constructor(private authService: AuthService) {
super();
}
async validate(username: string, password: string): Promise<SearchUserOutput> {
const user = await this.authService.validateUser(username, password);
if (!user) {
throw new UnauthorizedException();
}
return user;
}
}
gql-authh.guard.ts
import { ExecutionContext, Injectable } from '#nestjs/common';
import { GqlExecutionContext } from '#nestjs/graphql';
import { AuthGuard } from '#nestjs/passport';
#Injectable()
export class GqlAuthGuard extends AuthGuard('local') {
constructor() {
super();
}
getRequest(context: ExecutionContext) {
const ctx = GqlExecutionContext.create(context);
const request = ctx.getContext();
request.body = ctx.getArgs().loginUserInput;
return request;
}
}
login-response.output.ts
import { Field, ObjectType } from '#nestjs/graphql';
import { SearchUserOutput } from 'src/users/dto/search-user.output';
#ObjectType()
export class LoginResponse {
#Field(() => String)
accessToken: string;
#Field(() => SearchUserOutput)
user: SearchUserOutput;
}
login-user.input.ts
import { Field, InputType } from '#nestjs/graphql';
import { IsNotEmpty, IsString } from 'class-validator';
#InputType()
export class LoginUserInput {
#Field(() => String)
#IsNotEmpty()
#IsString()
username: string;
#Field(() => String)
#IsNotEmpty()
#IsString()
password: string;
}
it consistently giving me error
if you want source code then i will send you
"dependencies": {
"#nestjs/apollo": "^10.0.19",
"#nestjs/common": "^9.0.0",
"#nestjs/core": "^9.0.0",
"#nestjs/graphql": "^10.0.21",
"#nestjs/jwt": "^9.0.0",
"#nestjs/mapped-types": "*",
"#nestjs/mongoose": "^9.2.0",
"#nestjs/passport": "^9.0.0",
"#nestjs/platform-express": "^9.0.0",
"#nestjs/testing": "^9.0.11",
"#types/jest": "^28.1.7",
"#types/node": "^18.7.6",
"#types/passport-jwt": "^3.0.6",
"apollo-server-express": "^3.10.1",
"class-validator": "^0.13.2",
"express": "^4.18.1",
"graphql": "^15",
"mongoose": "^6.5.2",
"passport": "^0.6.0",
"passport-jwt": "^4.0.0",
"passport-local": "^1.0.0",
"reflect-metadata": "^0.1.13",
"rimraf": "^3.0.2",
"rxjs": "^7.2.0",
"type-graphql": "^1.1.1",
"webpack": "^5.74.0"
},
"devDependencies": {
"#types/express": "^4.17.13",
"#types/passport-local": "^1.0.34",
"#types/supertest": "^2.0.11",
"#typescript-eslint/eslint-plugin": "^5.0.0",
"#typescript-eslint/parser": "^5.0.0",
"eslint": "^8.0.1",
"eslint-config-prettier": "^8.3.0",
"eslint-plugin-prettier": "^4.0.0",
"jest": "28.1.2",
"prettier": "^2.3.2",
"source-map-support": "^0.5.20",
"supertest": "^6.1.3",
"ts-jest": "28.0.5",
"ts-loader": "^9.2.3",
"ts-node": "^10.0.0",
"tsconfig-paths": "4.0.0",
"typescript": "^4.3.5"
},