Files
gridpilot.gg/core/racing/application/use-cases/GetRaceDetailUseCase.ts
2025-12-19 19:42:19 +01:00

85 lines
3.5 KiB
TypeScript

import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
import type { IRaceRegistrationRepository } from '../../domain/repositories/IRaceRegistrationRepository';
import type { IResultRepository } from '../../domain/repositories/IResultRepository';
import type { ILeagueMembershipRepository } from '../../domain/repositories/ILeagueMembershipRepository';
import type { RaceDetailOutputPort } from '../ports/output/RaceDetailOutputPort';
import type { AsyncUseCase } from '@core/shared/application/AsyncUseCase';
import { Result } from '@core/shared/application/Result';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
/**
* Use Case: GetRaceDetailUseCase
*
* Given a race id and current driver id:
* - When the race exists, it builds a view model with race, league, entry list, registration flags and user result.
* - When the race does not exist, it presents a view model with an error and no race data.
*
* Given a completed race with a result for the driver:
* - When computing rating change, it applies the same position-based formula used in the legacy UI.
*/
export interface GetRaceDetailQueryParams {
raceId: string;
driverId: string;
}
type GetRaceDetailErrorCode = 'RACE_NOT_FOUND';
export class GetRaceDetailUseCase
implements AsyncUseCase<GetRaceDetailQueryParams, RaceDetailOutputPort, GetRaceDetailErrorCode>
{
constructor(
private readonly raceRepository: IRaceRepository,
private readonly leagueRepository: ILeagueRepository,
private readonly driverRepository: IDriverRepository,
private readonly raceRegistrationRepository: IRaceRegistrationRepository,
private readonly resultRepository: IResultRepository,
private readonly leagueMembershipRepository: ILeagueMembershipRepository,
) {}
async execute(params: GetRaceDetailQueryParams): Promise<Result<RaceDetailOutputPort, ApplicationErrorCode<GetRaceDetailErrorCode>>> {
const { raceId, driverId } = params;
const race = await this.raceRepository.findById(raceId);
if (!race) {
return Result.err({ code: 'RACE_NOT_FOUND' });
}
const [league, registrations, membership] = await Promise.all([
this.leagueRepository.findById(race.leagueId),
this.raceRegistrationRepository.findByRaceId(race.id),
this.leagueMembershipRepository.getMembership(race.leagueId, driverId),
]);
const drivers = await Promise.all(
registrations.map(registration => this.driverRepository.findById(registration.driverId.toString())),
);
const validDrivers = drivers.filter((driver): driver is NonNullable<typeof driver> => driver !== null);
const isUserRegistered = registrations.some(reg => reg.driverId.toString() === driverId);
const isUpcoming = race.status === 'scheduled' && race.scheduledAt > new Date();
const canRegister = !!membership && membership.status === 'active' && isUpcoming;
let userResult: Result | null = null;
if (race.status === 'completed') {
const results = await this.resultRepository.findByRaceId(race.id);
userResult = results.find(r => r.driverId.toString() === driverId) ?? null;
}
const outputPort: RaceDetailOutputPort = {
race,
league,
registrations,
drivers: validDrivers,
userResult,
isUserRegistered,
canRegister,
};
return Result.ok(outputPort);
}
}