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