add users

src/users/user.service.ts

@@ -0,0 +1,30 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import User from './user.entity';
+import CreateUserDto from './dto/createUser.dto';
+
+@Injectable()
+export class UsersService {
+  constructor(
+    @InjectRepository(User)
+    private usersRepository: Repository<User>,
+  ) {}
+
+  async getByEmail(email: string) {
+    const user = await this.usersRepository.findOne({ where: { email } });
+    if (user) {
+      return user;
+    }
+    throw new HttpException(
+      'User with this email does not exist',
+      HttpStatus.NOT_FOUND,
+    );
+  }
+
+  async create(userData: CreateUserDto) {
+    const newUser = this.usersRepository.create(userData);
+    await this.usersRepository.save(newUser);
+    return newUser;
+  }
+}