alpha wip

apps/website/infrastructure/repositories/InMemoryStandingRepository.ts

@@ -0,0 +1,188 @@
+/**
+ * Infrastructure Adapter: InMemoryStandingRepository
+ * 
+ * In-memory implementation of IStandingRepository.
+ * Stores data in Map structure and calculates standings from race results.
+ */
+
+import { Standing } from '../../domain/entities/Standing';
+import { IStandingRepository } from '../../application/ports/IStandingRepository';
+import { IResultRepository } from '../../application/ports/IResultRepository';
+import { IRaceRepository } from '../../application/ports/IRaceRepository';
+import { ILeagueRepository } from '../../application/ports/ILeagueRepository';
+
+/**
+ * Points systems presets
+ */
+const POINTS_SYSTEMS: Record<string, Record<number, number>> = {
+  'f1-2024': {
+    1: 25, 2: 18, 3: 15, 4: 12, 5: 10,
+    6: 8, 7: 6, 8: 4, 9: 2, 10: 1
+  },
+  'indycar': {
+    1: 50, 2: 40, 3: 35, 4: 32, 5: 30,
+    6: 28, 7: 26, 8: 24, 9: 22, 10: 20,
+    11: 19, 12: 18, 13: 17, 14: 16, 15: 15
+  }
+};
+
+export class InMemoryStandingRepository implements IStandingRepository {
+  private standings: Map<string, Standing>;
+  private resultRepository?: IResultRepository;
+  private raceRepository?: IRaceRepository;
+  private leagueRepository?: ILeagueRepository;
+
+  constructor(
+    seedData?: Standing[],
+    resultRepository?: IResultRepository,
+    raceRepository?: IRaceRepository,
+    leagueRepository?: ILeagueRepository
+  ) {
+    this.standings = new Map();
+    this.resultRepository = resultRepository;
+    this.raceRepository = raceRepository;
+    this.leagueRepository = leagueRepository;
+    
+    if (seedData) {
+      seedData.forEach(standing => {
+        const key = this.getKey(standing.leagueId, standing.driverId);
+        this.standings.set(key, standing);
+      });
+    }
+  }
+
+  private getKey(leagueId: string, driverId: string): string {
+    return `${leagueId}:${driverId}`;
+  }
+
+  async findByLeagueId(leagueId: string): Promise<Standing[]> {
+    return Array.from(this.standings.values())
+      .filter(standing => standing.leagueId === leagueId)
+      .sort((a, b) => {
+        // Sort by position (lower is better)
+        if (a.position !== b.position) {
+          return a.position - b.position;
+        }
+        // If positions are equal, sort by points (higher is better)
+        return b.points - a.points;
+      });
+  }
+
+  async findByDriverIdAndLeagueId(driverId: string, leagueId: string): Promise<Standing | null> {
+    const key = this.getKey(leagueId, driverId);
+    return this.standings.get(key) ?? null;
+  }
+
+  async findAll(): Promise<Standing[]> {
+    return Array.from(this.standings.values());
+  }
+
+  async save(standing: Standing): Promise<Standing> {
+    const key = this.getKey(standing.leagueId, standing.driverId);
+    this.standings.set(key, standing);
+    return standing;
+  }
+
+  async saveMany(standings: Standing[]): Promise<Standing[]> {
+    standings.forEach(standing => {
+      const key = this.getKey(standing.leagueId, standing.driverId);
+      this.standings.set(key, standing);
+    });
+    return standings;
+  }
+
+  async delete(leagueId: string, driverId: string): Promise<void> {
+    const key = this.getKey(leagueId, driverId);
+    this.standings.delete(key);
+  }
+
+  async deleteByLeagueId(leagueId: string): Promise<void> {
+    const toDelete = Array.from(this.standings.values())
+      .filter(standing => standing.leagueId === leagueId);
+    
+    toDelete.forEach(standing => {
+      const key = this.getKey(standing.leagueId, standing.driverId);
+      this.standings.delete(key);
+    });
+  }
+
+  async exists(leagueId: string, driverId: string): Promise<boolean> {
+    const key = this.getKey(leagueId, driverId);
+    return this.standings.has(key);
+  }
+
+  async recalculate(leagueId: string): Promise<Standing[]> {
+    if (!this.resultRepository || !this.raceRepository || !this.leagueRepository) {
+      throw new Error('Cannot recalculate standings: missing required repositories');
+    }
+
+    // Get league to determine points system
+    const league = await this.leagueRepository.findById(leagueId);
+    if (!league) {
+      throw new Error(`League with ID ${leagueId} not found`);
+    }
+
+    // Get points system
+    const pointsSystem = league.settings.customPoints ?? 
+                        POINTS_SYSTEMS[league.settings.pointsSystem] ?? 
+                        POINTS_SYSTEMS['f1-2024'];
+
+    // Get all completed races for the league
+    const races = await this.raceRepository.findCompletedByLeagueId(leagueId);
+    
+    // Get all results for these races
+    const allResults = await Promise.all(
+      races.map(race => this.resultRepository!.findByRaceId(race.id))
+    );
+    const results = allResults.flat();
+
+    // Calculate standings per driver
+    const standingsMap = new Map<string, Standing>();
+
+    results.forEach(result => {
+      let standing = standingsMap.get(result.driverId);
+      
+      if (!standing) {
+        standing = Standing.create({
+          leagueId,
+          driverId: result.driverId,
+        });
+      }
+
+      // Add points from this result
+      standing = standing.addRaceResult(result.position, pointsSystem);
+      standingsMap.set(result.driverId, standing);
+    });
+
+    // Sort by points and assign positions
+    const sortedStandings = Array.from(standingsMap.values())
+      .sort((a, b) => {
+        if (b.points !== a.points) {
+          return b.points - a.points;
+        }
+        // Tie-breaker: most wins
+        if (b.wins !== a.wins) {
+          return b.wins - a.wins;
+        }
+        // Tie-breaker: most races completed
+        return b.racesCompleted - a.racesCompleted;
+      });
+
+    // Assign positions
+    const updatedStandings = sortedStandings.map((standing, index) => 
+      standing.updatePosition(index + 1)
+    );
+
+    // Save all standings
+    await this.saveMany(updatedStandings);
+
+    return updatedStandings;
+  }
+
+  /**
+   * Get available points systems
+   */
+  static getPointsSystems(): Record<string, Record<number, number>> {
+    return POINTS_SYSTEMS;
+  }
+}