Files
gridpilot.gg/core/racing/application/use-cases/GetTeamsLeaderboardUseCase.ts
2025-12-16 13:53:23 +01:00

88 lines
2.9 KiB
TypeScript

import type { ITeamRepository } from '@core/racing/domain/repositories/ITeamRepository';
import type { ITeamMembershipRepository } from '@core/racing/domain/repositories/ITeamMembershipRepository';
import type { IDriverRepository } from '@core/racing/domain/repositories/IDriverRepository';
import type {
ITeamsLeaderboardPresenter,
TeamsLeaderboardResultDTO,
TeamsLeaderboardViewModel,
} from '@core/racing/application/presenters/ITeamsLeaderboardPresenter';
import { SkillLevelService } from '@core/racing/domain/services/SkillLevelService';
import type { UseCase } from '@core/shared/application/UseCase';
interface DriverStatsAdapter {
rating: number | null;
wins: number;
totalRaces: number;
}
/**
* Use case: GetTeamsLeaderboardUseCase
*
* Plain constructor-injected dependencies (no decorators) to keep the
* application layer framework-agnostic and compatible with test tooling.
*/
export class GetTeamsLeaderboardUseCase
implements UseCase<void, TeamsLeaderboardResultDTO, TeamsLeaderboardViewModel, ITeamsLeaderboardPresenter> {
constructor(
private readonly teamRepository: ITeamRepository,
private readonly teamMembershipRepository: ITeamMembershipRepository,
private readonly driverRepository: IDriverRepository,
private readonly getDriverStats: (driverId: string) => DriverStatsAdapter | null,
) {}
async execute(_input: void, presenter: ITeamsLeaderboardPresenter): Promise<void> {
const allTeams = await this.teamRepository.findAll();
const teams: unknown[] = [];
await Promise.all(
allTeams.map(async (team) => {
const memberships = await this.teamMembershipRepository.getTeamMembers(team.id);
const memberCount = memberships.length;
let ratingSum = 0;
let ratingCount = 0;
let totalWins = 0;
let totalRaces = 0;
for (const membership of memberships) {
const stats = this.getDriverStats(membership.driverId);
if (!stats) continue;
if (typeof stats.rating === 'number') {
ratingSum += stats.rating;
ratingCount += 1;
}
totalWins += stats.wins ?? 0;
totalRaces += stats.totalRaces ?? 0;
}
const averageRating = ratingCount > 0 ? ratingSum / ratingCount : null;
const performanceLevel = SkillLevelService.getTeamPerformanceLevel(averageRating);
teams.push({
id: team.id,
name: team.name,
memberCount,
rating: averageRating,
totalWins,
totalRaces,
performanceLevel,
isRecruiting: true,
createdAt: new Date(),
description: team.description,
});
})
);
const recruitingCount = teams.filter((t) => t.isRecruiting).length;
const result: TeamsLeaderboardResultDTO = {
teams,
recruitingCount,
};
presenter.reset();
presenter.present(result);
}
}