seed data

adapters/bootstrap/racing/RacingFeedFactory.ts

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+import { Driver } from '@core/racing/domain/entities/Driver';
+import { League } from '@core/racing/domain/entities/League';
+import { Race } from '@core/racing/domain/entities/Race';
+import type { FeedItem } from '@core/social/domain/types/FeedItem';
+import type { Friendship } from './RacingSeed';
+
+export class RacingFeedFactory {
+  constructor(private readonly baseDate: Date) {}
+
+  create(drivers: Driver[], friendships: Friendship[], races: Race[], leagues: League[]): FeedItem[] {
+    const items: FeedItem[] = [];
+    const friendMap = new Map(friendships.map((f) => [`${f.driverId}:${f.friendId}`, true] as const));
+
+    const completedRace = races.find((r) => r.status === 'completed');
+    const upcomingRace = races.find((r) => r.status === 'scheduled');
+    const league = leagues.find((l) => l.id.toString() === 'league-5') ?? leagues[0]!;
+
+    const now = this.addMinutes(this.baseDate, 10);
+
+    for (let i = 2; i <= 10; i++) {
+      const actor = drivers.find((d) => d.id === `driver-${i}`);
+      if (!actor) continue;
+
+      if (!friendMap.has(`driver-1:${actor.id}`)) continue;
+
+      items.push({
+        id: `feed:${actor.id}:joined:${i}`,
+        type: 'friend-joined-league',
+        timestamp: this.addMinutes(now, -(i * 7)),
+        actorDriverId: actor.id,
+        actorFriendId: actor.id,
+        leagueId: league.id.toString(),
+        headline: `${actor.name} joined ${String(league.name)}`,
+        body: 'Demo activity in in-memory mode.',
+        ctaLabel: 'View league',
+        ctaHref: `/leagues/${league.id.toString()}`,
+      });
+
+      if (completedRace) {
+        items.push({
+          id: `feed:${actor.id}:result:${i}`,
+          type: 'friend-finished-race',
+          timestamp: this.addMinutes(now, -(i * 7 + 3)),
+          actorDriverId: actor.id,
+          actorFriendId: actor.id,
+          leagueId: completedRace.leagueId,
+          raceId: completedRace.id,
+          position: (i % 5) + 1,
+          headline: `${actor.name} finished a race`,
+          body: `Completed at ${completedRace.track}.`,
+          ctaLabel: 'View results',
+          ctaHref: `/races/${completedRace.id}/results`,
+        });
+      }
+    }
+
+    if (upcomingRace) {
+      items.push({
+        id: `feed:system:scheduled:${upcomingRace.id}`,
+        type: 'new-race-scheduled',
+        timestamp: this.addMinutes(now, -3),
+        leagueId: upcomingRace.leagueId,
+        raceId: upcomingRace.id,
+        headline: `New race scheduled at ${upcomingRace.track}`,
+        body: `${upcomingRace.car} • ${upcomingRace.scheduledAt.toISOString()}`,
+        ctaLabel: 'View schedule',
+        ctaHref: `/races/${upcomingRace.id}`,
+      });
+    }
+
+    return items.sort((a, b) => b.timestamp.getTime() - a.timestamp.getTime());
+  }
+
+  private addMinutes(date: Date, minutes: number): Date {
+    return new Date(date.getTime() + minutes * 60 * 1000);
+  }
+}