backend/src/models/actions/create/CreateDistanceDonation.ts

53 lines
1.6 KiB
TypeScript

import { IsInt, IsPositive } from 'class-validator';
import { getConnection } from 'typeorm';
import { RunnerNotFoundError } from '../../../errors/RunnerErrors';
import { DistanceDonation } from '../../entities/DistanceDonation';
import { Runner } from '../../entities/Runner';
import { CreateDonation } from './CreateDonation';
/**
* This class is used to create a new FixedDonation entity from a json body (post request).
*/
export class CreateDistanceDonation extends CreateDonation {
/**
* The donation's associated runner's id.
* This is important to link the runner's distance ran to the donation.
*/
@IsInt()
@IsPositive()
runner: number;
/**
* The donation's amount per distance (full kilometer aka 1000 meters).
* The unit is your currency's smallest unit (default: euro cent).
*/
@IsInt()
@IsPositive()
amountPerDistance: number;
/**
* Creates a new FixedDonation entity from this.
*/
public async toEntity(): Promise<DistanceDonation> {
let newDonation = new DistanceDonation;
newDonation.amountPerDistance = this.amountPerDistance;
newDonation.paidAmount = this.paidAmount;
newDonation.donor = await this.getDonor();
newDonation.runner = await this.getRunner();
return newDonation;
}
/**
* Gets a runner based on the runner id provided via this.runner.
*/
public async getRunner(): Promise<Runner> {
const runner = await getConnection().getRepository(Runner).findOne({ id: this.runner });
if (!runner) {
throw new RunnerNotFoundError();
}
return runner;
}
}