wip

apps/website/lib/presenters/AllLeaguesWithCapacityPresenter.ts

@@ -0,0 +1,58 @@
+import type { League } from '@gridpilot/racing/domain/entities/League';
+import type {
+  IAllLeaguesWithCapacityPresenter,
+  LeagueWithCapacityViewModel,
+  AllLeaguesWithCapacityViewModel,
+} from '@gridpilot/racing/application/presenters/IAllLeaguesWithCapacityPresenter';
+
+export class AllLeaguesWithCapacityPresenter implements IAllLeaguesWithCapacityPresenter {
+  private viewModel: AllLeaguesWithCapacityViewModel | null = null;
+
+  present(
+    leagues: League[],
+    memberCounts: Map<string, number>
+  ): AllLeaguesWithCapacityViewModel {
+    const leagueItems: LeagueWithCapacityViewModel[] = leagues.map((league) => {
+      const usedSlots = memberCounts.get(league.id) ?? 0;
+      
+      // Ensure we never expose an impossible state like 26/24:
+      // clamp maxDrivers to at least usedSlots at the application boundary.
+      const configuredMax = league.settings.maxDrivers ?? usedSlots;
+      const safeMaxDrivers = Math.max(configuredMax, usedSlots);
+
+      return {
+        id: league.id,
+        name: league.name,
+        description: league.description,
+        ownerId: league.ownerId,
+        settings: {
+          ...league.settings,
+          maxDrivers: safeMaxDrivers,
+        },
+        createdAt: league.createdAt.toISOString(),
+        socialLinks: league.socialLinks
+          ? {
+              discordUrl: league.socialLinks.discordUrl,
+              youtubeUrl: league.socialLinks.youtubeUrl,
+              websiteUrl: league.socialLinks.websiteUrl,
+            }
+          : undefined,
+        usedSlots,
+      };
+    });
+
+    this.viewModel = {
+      leagues: leagueItems,
+      totalCount: leagueItems.length,
+    };
+
+    return this.viewModel;
+  }
+
+  getViewModel(): AllLeaguesWithCapacityViewModel {
+    if (!this.viewModel) {
+      throw new Error('Presenter has not been called yet');
+    }
+    return this.viewModel;
+  }
+}