ticket-auth-project/src/users/users.service.ts

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import { Injectable } from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { User } from './users.schema';
import { Model } from 'mongoose';
import * as bcrypt from 'bcryptjs';
import { createUserDto } from './dto/createUserDto';
@Injectable()
export class UsersService {
  constructor(@InjectModel(User.name) private userModel: Model<User>) {}

  async createUser(username: string, password: string): Promise<createUserDto> {
    const hashedPassword = await bcrypt.hash(password, 10);
    const user = new this.userModel({ username, password: hashedPassword });
    const savedUser = await user.save(); // ذخیره کاربر در دیتابیس

    const result = savedUser.toObject(); // تبدیل به آبجکت
    return {
      username: result.username,
      id: result._id.toString(), // تبدیل به رشته
    };
  }

  async findByUsername(username: string): Promise<User | undefined> {
    return this.userModel.findOne({ username }).exec();
  }

  async deleteUser(id: string) {
    return this.userModel.findByIdAndDelete(id);
  }
}