website refactor

core/racing/application/use-cases/RankingUseCase.ts

@@ -1,91 +1,18 @@
 /**
- * Application Use Case: RankingUseCase
+ * Application Use Case Interface: IRankingUseCase
  * 
- * Computes driver rankings from real standings and results data.
- * Orchestrates repositories to provide ranking data to presentation layer.
+ * Use case for computing driver rankings from standings and results.
+ * This is an application layer concern that orchestrates domain data.
  */
 
-import type { Logger } from '@core/shared/application';
-import type { IStandingRepository } from '../../domain/repositories/IStandingRepository';
-import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
-import type { IRankingUseCase, DriverRanking } from './IRankingUseCase';
+export interface DriverRanking {
+  driverId: string;
+  rating: number;
+  wins: number;
+  totalRaces: number;
+  overallRank: number | null;
+}
 
-export class RankingUseCase implements IRankingUseCase {
-  constructor(
-    private readonly standingRepository: IStandingRepository,
-    private readonly driverRepository: IDriverRepository,
-    private readonly logger: Logger
-  ) {
-    this.logger.info('[RankingUseCase] Initialized with real data repositories');
-  }
-
-  async getAllDriverRankings(): Promise<DriverRanking[]> {
-    this.logger.debug('[RankingUseCase] Computing rankings from standings');
-
-    try {
-      // Get all standings from all leagues
-      const standings = await this.standingRepository.findAll();
-      
-      if (standings.length === 0) {
-        this.logger.warn('[RankingUseCase] No standings found');
-        return [];
-      }
-
-      // Get all drivers for name resolution
-      const drivers = await this.driverRepository.findAll();
-      const driverMap = new Map(drivers.map(d => [d.id, d]));
-
-      // Group standings by driver and aggregate stats
-      const driverStats = new Map<string, { 
-        rating: number; 
-        wins: number; 
-        races: number;
-        driverName?: string;
-      }>();
-
-      for (const standing of standings) {
-        const driverId = standing.driverId.toString();
-        const existing = driverStats.get(driverId) || { rating: 0, wins: 0, races: 0 };
-        
-        existing.races += standing.racesCompleted;
-        existing.wins += standing.wins;
-        
-        // Calculate rating from points and position
-        const baseRating = 1000;
-        const pointsBonus = standing.points.toNumber() * 2;
-        const positionBonus = Math.max(0, 50 - (standing.position.toNumber() * 2));
-        const winBonus = standing.wins * 100;
-        
-        existing.rating = Math.round(baseRating + pointsBonus + positionBonus + winBonus);
-        
-        // Add driver name if available
-        const driver = driverMap.get(driverId);
-        if (driver) {
-          existing.driverName = driver.name.toString();
-        }
-        
-        driverStats.set(driverId, existing);
-      }
-
-      // Convert to rankings
-      const rankings: DriverRanking[] = Array.from(driverStats.entries()).map(([driverId, stats]) => ({
-        driverId,
-        rating: stats.rating,
-        wins: stats.wins,
-        totalRaces: stats.races,
-        overallRank: null
-      }));
-
-      // Sort by rating descending and assign ranks
-      rankings.sort((a, b) => b.rating - a.rating);
-      rankings.forEach((r, idx) => r.overallRank = idx + 1);
-
-      this.logger.info(`[RankingUseCase] Computed rankings for ${rankings.length} drivers`);
-
-      return rankings;
-    } catch (error) {
-      this.logger.error('[RankingUseCase] Error computing rankings:', error instanceof Error ? error : new Error(String(error)));
-      throw error;
-    }
-  }
+export interface RankingUseCase {
+  getAllDriverRankings(): Promise<DriverRanking[]>;
 }