backend/src/models/actions/create/CreateDonation.ts
2021-01-12 18:55:20 +01:00

34 lines
998 B
TypeScript

import { IsInt, IsPositive } from 'class-validator';
import { getConnection } from 'typeorm';
import { DonorNotFoundError } from '../../../errors/DonorErrors';
import { Donation } from '../../entities/Donation';
import { Donor } from '../../entities/Donor';
/**
* This class is used to create a new Donation entity from a json body (post request).
*/
export abstract class CreateDonation {
/**
* The donation's associated donor.
* This is important to link donations to donors.
*/
@IsInt()
@IsPositive()
donor: number;
/**
* Creates a new Donation entity from this.
*/
public abstract toEntity(): Promise<Donation>;
/**
* Gets a donor based on the donor id provided via this.donor.
*/
public async getDonor(): Promise<Donor> {
const donor = await getConnection().getRepository(Donor).findOne({ id: this.donor });
if (!donor) {
throw new DonorNotFoundError();
}
return donor;
}
}