team rating

core/racing/application/queries/GetTeamRatingsSummaryQuery.ts

@@ -0,0 +1,82 @@
+/**
+ * Query: GetTeamRatingsSummaryQuery
+ * 
+ * Fast read query for team rating summary.
+ * Mirrors user slice 6 pattern but for teams.
+ */
+
+import { TeamRatingSummaryDto } from '../dtos/TeamRatingSummaryDto';
+import { ITeamRatingRepository } from '../../domain/repositories/ITeamRatingRepository';
+import { ITeamRatingEventRepository } from '../../domain/repositories/ITeamRatingEventRepository';
+
+export interface GetTeamRatingsSummaryQuery {
+  teamId: string;
+}
+
+export class GetTeamRatingsSummaryQueryHandler {
+  constructor(
+    private readonly teamRatingRepo: ITeamRatingRepository,
+    private readonly ratingEventRepo: ITeamRatingEventRepository
+  ) {}
+
+  async execute(query: GetTeamRatingsSummaryQuery): Promise<TeamRatingSummaryDto> {
+    const { teamId } = query;
+
+    // Fetch platform rating snapshot
+    const teamRating = await this.teamRatingRepo.findByTeamId(teamId);
+    
+    // Get last event timestamp if available
+    let lastRatingEventAt: string | undefined;
+    if (teamRating) {
+      // Get all events to find the most recent one
+      const events = await this.ratingEventRepo.getAllByTeamId(teamId);
+      if (events.length > 0) {
+        const lastEvent = events[events.length - 1];
+        if (lastEvent) {
+          lastRatingEventAt = lastEvent.occurredAt.toISOString();
+        }
+      }
+    }
+
+    // Build platform rating dimensions
+    // For team ratings, we don't have confidence/sampleSize/trend per dimension
+    // We'll derive these from event count and recent activity
+    const eventCount = teamRating?.eventCount || 0;
+    const lastUpdated = teamRating?.lastUpdated || new Date(0);
+    
+    const platform = {
+      driving: {
+        value: teamRating?.driving.value || 0,
+        confidence: Math.min(1, eventCount / 10), // Simple confidence based on event count
+        sampleSize: eventCount,
+        trend: 'stable' as const, // Could be calculated from recent events
+        lastUpdated: lastUpdated.toISOString(),
+      },
+      adminTrust: {
+        value: teamRating?.adminTrust.value || 0,
+        confidence: Math.min(1, eventCount / 10),
+        sampleSize: eventCount,
+        trend: 'stable' as const,
+        lastUpdated: lastUpdated.toISOString(),
+      },
+      overall: teamRating?.overall || 0,
+    };
+
+    // Get timestamps
+    const createdAt = lastUpdated.toISOString();
+    const updatedAt = lastUpdated.toISOString();
+
+    const result: TeamRatingSummaryDto = {
+      teamId,
+      platform,
+      createdAt,
+      updatedAt,
+    };
+
+    if (lastRatingEventAt) {
+      result.lastRatingEventAt = lastRatingEventAt;
+    }
+
+    return result;
+  }
+}