median/src/articles/entities/article.entity.ts

import { Article } from '@prisma/client'
import { ApiProperty } from '@nestjs/swagger'
import { UserEntity } from 'src/users/entities/user.entity'

export class ArticleEntity implements Article {
    @ApiProperty()
    id: number

    @ApiProperty()
    title: string

    @ApiProperty({ required: false, nullable: true })
    description: string | null

    @ApiProperty()
    body: string

    @ApiProperty()
    published: boolean

    @ApiProperty()
    createdAt: Date

    @ApiProperty()
    updatedAt: Date

    @ApiProperty({ required: false, nullable: true })
    authorId: number | null;

    @ApiProperty({ required: false, type: UserEntity })
    author?: UserEntity

    constructor({ author, ...data }: Partial<ArticleEntity>) {
        Object.assign(this, data)

        if (author) {
            this.author = new UserEntity(author)
        }
    }
}