Mr-Malomz

import { BaseEntity, PrimaryGeneratedColumn, Entity, Column, Unique } from 'typeorm';

@Entity()
@Unique(['email'])
export class User extends BaseEntity {
  @PrimaryGeneratedColumn('uuid')
  userID: string;

  @Column({ nullable: true })
  firstname: string;

Mr-Malomz

import { Repository, EntityRepository } from "typeorm";
import { User } from "./user.entity";

@EntityRepository(User)
export class UserRepository extends Repository<User> {

}

Mr-Malomz

import { Module } from '@nestjs/common';
import { AuthController } from './auth.controller';
import { AuthService } from './auth.service';

//Imported TypeOrmModule and UserRepository
import { TypeOrmModule } from '@nestjs/typeorm';
import { UserRepository } from './user.repository';

@Module({
  //updated imports

Mr-Malomz

import { Injectable } from '@nestjs/common';
import { UserRepository } from './user.repository';
import { InjectRepository } from '@nestjs/typeorm';

@Injectable()
export class AuthService {
    //new code below
    constructor(
        @InjectRepository(UserRepository)
        private userRepository: UserRepository,

Mr-Malomz

export class AuthSignUpDto {
  email: string;

  password: string;

  firstname: string;

  lastname: string;
}

Mr-Malomz

import { IsString, IsEmail, MinLength, Matches } from 'class-validator';

export class AuthSignUpDto {
  @IsEmail()
  email: string;

  @IsString()
  @MinLength(8)
  //regex for password to contain atleast one uppercase, lowercase, number and special character
  @Matches(/((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$/, {

Mr-Malomz

import { Repository, EntityRepository } from 'typeorm';
import { User } from './user.entity';
import { AuthSignUpDto } from './dto/auth-signup.dto';
import {
  ConflictException,
  InternalServerErrorException,
} from '@nestjs/common';

@EntityRepository(User)
export class UserRepository extends Repository<User> {

Mr-Malomz

import { Injectable } from '@nestjs/common';
import { UserRepository } from './user.repository';
import { InjectRepository } from '@nestjs/typeorm';
import { AuthSignUpDto } from './dto/auth-signup.dto';

@Injectable()
export class AuthService {
  constructor(
    @InjectRepository(UserRepository)
    private userRepository: UserRepository,

Mr-Malomz

import { Controller } from '@nestjs/common';
import { AuthService } from './auth.service';
import { AuthSignUpDto } from './dto/auth-signup.dto';

@Controller('auth')
export class AuthController {
  //injection of Authservice in the constructor
  constructor(private authService: AuthService) {}
  
  //new signUp method

Mr-Malomz

npm i --save bcrypt @types/bcrypt