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Chatgptで typescript typeorm の entity 定義を作成する

Last updated at Posted at 2023-02-10

Chatgptで typeormの entity 定義を作成する

この動画をみて、entity 定義も作ってくれるのでは!?っと思ったので試してみました。
https://www.youtube.com/watch?v=42hN7SnJVp4&t=204s

簡単なテーブル構成を書いてもらう

twitter のようなアプリのDB設計をしてください。
image.png

カラムも書き出してもらう

image.png

typescript にて entity 作成をお願い

image.png

以下Chatgptさんの成果物

import { Entity, Column, PrimaryGeneratedColumn, ManyToOne, JoinColumn, OneToMany } from 'typeorm';

@Entity()
export class User {
  @PrimaryGeneratedColumn()
  user_id: number;

  @Column()
  username: string;

  @Column()
  password_hash: string;

  @Column()
  profile_image: string;

  @Column()
  created_at: Date;

  @OneToMany(type => Tweet, tweet => tweet.user)
  tweets: Tweet[];

  @OneToMany(type => Follower, follower => follower.user)
  followers: Follower[];

  @OneToMany(type => Follower, follower => follower.follower)
  following: Follower[];

  @OneToMany(type => Like, like => like.user)
  likes: Like[];

  @OneToMany(type => Retweet, retweet => retweet.user)
  retweets: Retweet[];
}

@Entity()
export class Tweet {
  @PrimaryGeneratedColumn()
  tweet_id: number;

  @Column()
  text: string;

  @Column()
  created_at: Date;

  @ManyToOne(type => User, user => user.tweets)
  user: User;

  @OneToMany(type => Like, like => like.tweet)
  likes: Like[];

  @OneToMany(type => Retweet, retweet => retweet.tweet)
  retweets: Retweet[];
}

@Entity()
export class Follower {
  @PrimaryGeneratedColumn()
  id: number;

  @ManyToOne(type => User, user => user.followers)
  user: User;

  @ManyToOne(type => User, user => user.following)
  follower: User;
}

@Entity()
export class Like {
  @PrimaryGeneratedColumn()
  id: number;

  @ManyToOne(type => Tweet, tweet => tweet.likes)
  tweet: Tweet;

  @ManyToOne(type => User, user => user.likes)
  user: User;
}

@Entity()
export class Retweet {
  @PrimaryGeneratedColumn()
  id: number;

  @ManyToOne(type => Tweet, tweet => tweet.retweets)
  tweet: Tweet;

  @ManyToOne(type => User, user => user.retweets)
  user: User;
}

まとめ

やばい

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