如何使用 nestjs/mongoose 在模式类中定义 mongoose 方法? [英] How to define mongoose method in schema class with using nestjs/mongoose?

问题描述

我想在架构类中实现方法，如下所示.

I want to implement method in schema class like below.

import { SchemaFactory, Schema, Prop } from '@nestjs/mongoose';
import { Document } from 'mongoose';
import bcrypt from 'bcrypt';

@Schema()
export class Auth extends Document {
  @Prop({ required: true, unique: true })
  username: string;

  @Prop({ required: true })
  password: string;

  @Prop({
    methods: Function,
  })
  async validatePassword(password: string): Promise<boolean> {
    return bcrypt.compareAsync(password, this.password);
  }
}
export const AuthSchema = SchemaFactory.createForClass(Auth);

这个模式在记录方法时返回 undefined .如何使用 nestjs/mongoose 包在类架构中编写方法?

this schema return undefined when log the method . How can I write method in class schema with nestjs/mongoose package?

推荐答案

您可以使用以下方法来实现.

You can use below approach to achieve this.

@Schema()
export class Auth extends Document {
    ...
    
    validatePassword: Function;
}

export const AuthSchema = SchemaFactory.createForClass(Auth);

AuthSchema.methods.validatePassword = async function (password: string): Promise<boolean> {
    return bcrypt.compareAsync(password, this.password);
};

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