wip

packages/racing/application/use-cases/RegisterForRaceUseCase.ts

@@ -0,0 +1,44 @@
+import type { IRaceRegistrationRepository } from '@gridpilot/racing/domain/repositories/IRaceRegistrationRepository';
+import type { ILeagueMembershipRepository } from '@gridpilot/racing/domain/repositories/ILeagueMembershipRepository';
+import type { RaceRegistration } from '@gridpilot/racing/domain/entities/RaceRegistration';
+
+export interface RegisterForRaceCommand {
+  raceId: string;
+  leagueId: string;
+  driverId: string;
+}
+
+export class RegisterForRaceUseCase {
+  constructor(
+    private readonly registrationRepository: IRaceRegistrationRepository,
+    private readonly membershipRepository: ILeagueMembershipRepository,
+  ) {}
+
+  /**
+   * Mirrors legacy registerForRace behavior:
+   * - throws if already registered
+   * - validates active league membership
+   * - registers driver for race
+   */
+  async execute(command: RegisterForRaceCommand): Promise<void> {
+    const { raceId, leagueId, driverId } = command;
+
+    const alreadyRegistered = await this.registrationRepository.isRegistered(raceId, driverId);
+    if (alreadyRegistered) {
+      throw new Error('Already registered for this race');
+    }
+
+    const membership = await this.membershipRepository.getMembership(leagueId, driverId);
+    if (!membership || membership.status !== 'active') {
+      throw new Error('Must be an active league member to register for races');
+    }
+
+    const registration: RaceRegistration = {
+      raceId,
+      driverId,
+      registeredAt: new Date(),
+    };
+
+    await this.registrationRepository.register(registration);
+  }
+}