113 lines
3.9 KiB
TypeScript
113 lines
3.9 KiB
TypeScript
import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
|
|
import type { IRankingService } from '../../domain/services/IRankingService';
|
|
import type { IDriverStatsService } from '../../domain/services/IDriverStatsService';
|
|
import { SkillLevelService, type SkillLevel } from '../../domain/services/SkillLevelService';
|
|
import type { Logger } from '@core/shared/application';
|
|
import { Result } from '@core/shared/application/Result';
|
|
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
|
|
import type { UseCaseOutputPort } from '@core/shared/application/UseCaseOutputPort';
|
|
import type { Driver } from '../../domain/entities/Driver';
|
|
import type { Team } from '../../domain/entities/Team';
|
|
|
|
export type GetDriversLeaderboardInput = {
|
|
leagueId: string;
|
|
seasonId?: string;
|
|
};
|
|
|
|
export interface DriverLeaderboardItem {
|
|
driver: Driver;
|
|
team?: Team;
|
|
rating: number;
|
|
skillLevel: SkillLevel;
|
|
racesCompleted: number;
|
|
wins: number;
|
|
podiums: number;
|
|
isActive: boolean;
|
|
rank: number;
|
|
avatarUrl?: string;
|
|
}
|
|
|
|
export interface GetDriversLeaderboardResult {
|
|
items: DriverLeaderboardItem[];
|
|
totalRaces: number;
|
|
totalWins: number;
|
|
activeCount: number;
|
|
}
|
|
|
|
export type GetDriversLeaderboardErrorCode = 'LEAGUE_NOT_FOUND' | 'SEASON_NOT_FOUND' | 'REPOSITORY_ERROR';
|
|
|
|
/**
|
|
* Use Case for retrieving driver leaderboard data.
|
|
* Orchestrates domain logic and returns result.
|
|
*/
|
|
export class GetDriversLeaderboardUseCase {
|
|
constructor(
|
|
private readonly driverRepository: IDriverRepository,
|
|
private readonly rankingService: IRankingService,
|
|
private readonly driverStatsService: IDriverStatsService,
|
|
private readonly getDriverAvatar: (driverId: string) => Promise<string | undefined>,
|
|
private readonly logger: Logger,
|
|
private readonly output: UseCaseOutputPort<GetDriversLeaderboardResult>,
|
|
) {}
|
|
|
|
async execute(
|
|
_input: GetDriversLeaderboardInput,
|
|
): Promise<Result<void, ApplicationErrorCode<GetDriversLeaderboardErrorCode, { message: string }>>> {
|
|
this.logger.debug('Executing GetDriversLeaderboardUseCase');
|
|
try {
|
|
const drivers = await this.driverRepository.findAll();
|
|
const rankings = this.rankingService.getAllDriverRankings();
|
|
|
|
const avatarUrls: Record<string, string | undefined> = {};
|
|
|
|
for (const driver of drivers) {
|
|
avatarUrls[driver.id] = await this.getDriverAvatar(driver.id);
|
|
}
|
|
|
|
const items: DriverLeaderboardItem[] = drivers.map((driver) => {
|
|
const ranking = rankings.find((r) => r.driverId === driver.id);
|
|
const stats = this.driverStatsService.getDriverStats(driver.id);
|
|
const rating = ranking?.rating ?? 0;
|
|
const racesCompleted = stats?.totalRaces ?? 0;
|
|
const skillLevel: SkillLevel = SkillLevelService.getSkillLevel(rating);
|
|
|
|
return {
|
|
driver,
|
|
rating,
|
|
skillLevel,
|
|
racesCompleted,
|
|
wins: stats?.wins ?? 0,
|
|
podiums: stats?.podiums ?? 0,
|
|
isActive: racesCompleted > 0,
|
|
rank: ranking?.overallRank ?? 0,
|
|
avatarUrl: avatarUrls[driver.id],
|
|
};
|
|
});
|
|
|
|
const totalRaces = items.reduce((sum, d) => sum + d.racesCompleted, 0);
|
|
const totalWins = items.reduce((sum, d) => sum + d.wins, 0);
|
|
const activeCount = items.filter((d) => d.isActive).length;
|
|
|
|
this.logger.debug('Successfully retrieved drivers leaderboard.');
|
|
|
|
this.output.present({
|
|
items: items.sort((a, b) => b.rating - a.rating),
|
|
totalRaces,
|
|
totalWins,
|
|
activeCount,
|
|
});
|
|
|
|
return Result.ok(undefined);
|
|
} catch (error) {
|
|
this.logger.error(
|
|
'Error executing GetDriversLeaderboardUseCase',
|
|
error instanceof Error ? error : new Error(String(error)),
|
|
);
|
|
return Result.err({
|
|
code: 'REPOSITORY_ERROR',
|
|
details: { message: error instanceof Error ? error.message : 'Unknown error occurred' },
|
|
});
|
|
}
|
|
}
|
|
}
|