agregando user auth service con login y signin

import { HttpException, HttpStatus, Injectable } from '@nestjs/common';

import { JwtService } from '@nestjs/jwt';

import { EncryptionService } from '../encryption/encryption.service';

import { JwtConstants } from 'src/constants/jwt.constants';

import { UserSigninResDto } from './dto/user-signin-res.dto';

import { User } from 'src/user/entities/user.entity';

import { UserService } from 'src/user/user.service';

import { CreateUserDto } from 'src/user/dto/create-user.dto';

import { LoginUserDto } from './dto/login-user.dto';

@Injectable()

export class AuthUserService {

  constructor(

    private userService: UserService,

    private jwtService: JwtService,

    private encryptionService: EncryptionService,

  ) {}

  async signUp(createAdminDto: CreateUserDto): Promise<string> {

    const loginAdminDto: LoginUserDto = {

      email: createAdminDto.email,

      password: createAdminDto.password,

    };

    const hashedPwd = await this.encryptionService.hashPassword(

      createAdminDto.password,

    );

    createAdminDto.password = hashedPwd;

    await this.userService.create(createAdminDto);

    const adminSigninResDto: UserSigninResDto =

      await this.signIn(loginAdminDto);

    return adminSigninResDto.token;

  }

  async signIn(logInAdmin: LoginUserDto): Promise<UserSigninResDto> {

    const user: User = await this.userService.findOne(logInAdmin.email);

    const validPwd: boolean = await this.encryptionService.comparePassword(

      logInAdmin.password,

      user.password,

    );

    if (!validPwd) {

      throw new HttpException('Invalid credentials', HttpStatus.UNAUTHORIZED);

    }

    const accessToken = await this.jwtService.sign(

      { email: user.email, name: user.name, lastName: user.lastName },

      { secret: JwtConstants.SECRET },

    );

    const userSigninResDto: UserSigninResDto = {

      email: user.email,

      name: user.name,

      lastName: user.lastName,

      token: accessToken,

    };

    return userSigninResDto;

  }

}