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[NDD-159]: Category 객체, 리포지토리 구현 (1h / 1h) (#43)
* feat: 카테고리 객체 생성' * feat: Category를 DB에 저장하고, 조회하는 Repository구현 * fix: dev rebase를 위해 conflict나는 app.module 임시 롤백
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import { Module } from '@nestjs/common'; | ||
import { CategoryRepository } from './repository/category.repository'; | ||
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@Module({ | ||
providers: [CategoryRepository], | ||
}) | ||
export class CategoryModule {} |
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import { Column, Entity, JoinTable, ManyToMany, ManyToOne } from 'typeorm'; | ||
import { DefaultEntity } from '../../app.entity'; | ||
import { Member } from '../../member/entity/member'; | ||
import { JoinColumn } from 'typeorm/browser'; | ||
import { Question } from '../../question/entity/question'; | ||
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@Entity({ name: 'Category' }) | ||
export class Category extends DefaultEntity { | ||
@Column() | ||
name: string; | ||
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@ManyToOne(() => Member, { nullable: true, onDelete: 'CASCADE' }) | ||
@JoinColumn({ name: 'member' }) | ||
member: Member; | ||
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@ManyToMany(() => Question) | ||
@JoinTable({ name: 'CategoryQuestion' }) | ||
questions: Question[]; | ||
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constructor(name: string) { | ||
super(undefined, new Date()); | ||
this.name = name; | ||
} | ||
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static copyCategory(category: Category) { | ||
return new Category(category.name); | ||
} | ||
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getName() { | ||
return this.name; | ||
} | ||
} |
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import { Injectable } from '@nestjs/common'; | ||
import { InjectRepository } from '@nestjs/typeorm'; | ||
import { Category } from '../entity/category'; | ||
import { Repository } from 'typeorm'; | ||
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@Injectable() | ||
export class CategoryRepository { | ||
constructor( | ||
@InjectRepository(Category) private repository: Repository<Category>, | ||
) {} | ||
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async save(category: Category) { | ||
await this.repository.save(category); | ||
} | ||
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async findAllByMemberId(memberId: number) { | ||
const option = memberId === null ? null : { id: memberId }; | ||
return await this.repository.findBy({ member: option }); | ||
} | ||
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async remove(category: Category) { | ||
await this.repository.remove(category); | ||
} | ||
} |