2025SELab2-project-Dwengo/backend/src/data/dwengo-entity-repository.ts
2025-05-18 13:06:25 +02:00

28 lines
1.1 KiB
TypeScript

import { EntityRepository, FilterQuery } from '@mikro-orm/core';
import { EntityAlreadyExistsException } from '../exceptions/entity-already-exists-exception.js';
export abstract class DwengoEntityRepository<T extends object> extends EntityRepository<T> {
public async save(entity: T, options?: { preventOverwrite?: boolean }): Promise<void> {
if (options?.preventOverwrite && (await this.findOne(entity))) {
throw new EntityAlreadyExistsException(`A ${this.getEntityName()} with this identifier already exists.`);
}
await this.getEntityManager().persistAndFlush(entity);
}
public async deleteWhere(query: FilterQuery<T>): Promise<void> {
const toDelete = await this.findOne(query);
const em = this.getEntityManager();
if (toDelete) {
em.remove(toDelete);
await em.flush();
}
}
public async deleteAllWhere(query: FilterQuery<T>): Promise<void> {
const toDelete = await this.find(query);
const em = this.getEntityManager();
if (toDelete) {
em.remove(toDelete);
await em.flush();
}
}
}