Skip to content

Relation with property path ** in entity was not found #15

Open
@woobottle

Description

@woobottle

Paragraphs.entity.ts

import {
  Column,
  PrimaryGeneratedColumn,
  ManyToOne,
  Entity,
  JoinColumn,
  OneToMany,
  JoinTable,
} from 'typeorm';
import { DateAudit } from '@entities/date-audit.entity';
import { Posts as Post } from '@posts/posts.entity';
import { Likes as Like } from '@likes/likes.entity';
import { Comments as Comment } from '@comments/comments.entity';
import { PolymorphicChildren } from 'typeorm-polymorphic';

@Entity()
export class Paragraphs extends DateAudit {
  @PrimaryGeneratedColumn()
  id: number;

  @Column()
  body: string;

  @Column({
    default: 0,
  })
  viewCount: number;

  @ManyToOne(() => Post, (post) => post.paragraphs)
  @JoinColumn({ name: 'post_id' })
  post: Post;

  @OneToMany(() => Comment, (comment) => comment.paragraph)
  comments: Comment[];

  @PolymorphicChildren(() => Like, { eager: true })
  likes: Like[];
}

likes.entity.ts

import { Column, ManyToOne, Entity, PrimaryGeneratedColumn } from 'typeorm';
import { DateAudit } from '@entities/date-audit.entity';
import { Paragraphs as Paragraph } from '@paragraphs/paragraphs.entity';
import { PolymorphicChildInterface } from 'typeorm-polymorphic/dist/polymorphic.interface';
import { PolymorphicParent } from 'typeorm-polymorphic';

@Entity()
export class Likes extends DateAudit implements PolymorphicChildInterface {
  @PrimaryGeneratedColumn()
  id: number;

  @PolymorphicParent(() => [Paragraph], { eager: false })
  owner: Paragraph;

  @Column({ name: 'entity_id', nullable: true, type: 'int' })
  entityId: number;

  @Column({ name: 'entity_type', nullable: true })
  entityType: string;
}

posts.entity.ts

import {
  Column,
  Entity,
  JoinColumn,
  ManyToOne,
  OneToMany,
  PrimaryGeneratedColumn,
} from 'typeorm';
import { DateAudit } from '@entities/date-audit.entity';
import { Presses as Press } from '@presses/presses.entity';
import { Paragraphs as Paragraph } from '@paragraphs/paragraphs.entity';
import { Categories as Category } from '@categories/categories.entity';

@Entity()
export class Posts extends DateAudit {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ nullable: true })
  title: string;

  @ManyToOne(() => Press, (press) => press.posts)
  @JoinColumn({ name: 'press_id' })
  press: Press;

  @Column({ nullable: true })
  image: string;

  @OneToMany(() => Paragraph, (paragraph) => paragraph.post)
  paragraphs: Paragraph[];

  @ManyToOne(() => Category, (category) => category.posts)
  @JoinColumn({ name: 'category_id' })
  category: Category;
}

posts.repository.ts

import {
  getConnection,
  EntityRepository,
  In,
  Repository,
  getRepository,
} from 'typeorm';
import { Likes as Like } from '@likes/likes.entity';
import { Comments as Comment } from '@comments/comments.entity';
import { Paragraphs as Paragraph } from '@paragraphs/paragraphs.entity';
import { AbstractPolymorphicRepository } from 'typeorm-polymorphic';
import { Posts as Post } from './posts.entity';

@EntityRepository(Post)
export class PostsRepository extends AbstractPolymorphicRepository<Post> {
  async findById(id: number): Promise<Post> {
    const post = await getRepository(Post)
      .createQueryBuilder('post')
      .leftJoinAndSelect('post.paragraphs', 'paragraphs')
      .innerJoinAndSelect('paragraphs.comments', 'comments')
      .leftJoinAndSelect(
        'paragraphs.likes',
        'likes',
      )
      .where('post.id = :id', { id })
      .getOne();
    return post;
  }
}

i want use 'paragraphs.likes' in PostsRepository
but it always return [ExceptionsHandler] Relation with property path likes in entity was not found.
plz help me i want use this

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions