refactor

adapters/persistence/inmemory/achievement/InMemoryAchievementRepository.ts

@@ -0,0 +1,19 @@
+import { IAchievementRepository } from "@core/identity/application/use-cases/achievement/CreateAchievementUseCase";
+import { Achievement } from "@core/identity/domain/entities/Achievement";
+
+
+export class InMemoryAchievementRepository implements IAchievementRepository {
+  private readonly achievements: Map<string, Achievement> = new Map();
+
+  async save(achievement: Achievement): Promise<void> {
+    this.achievements.set(achievement.id, achievement);
+  }
+
+  async findById(id: string): Promise<Achievement | null> {
+    return this.achievements.get(id) || null;
+  }
+
+  async findAll(): Promise<Achievement[]> {
+    return Array.from(this.achievements.values());
+  }
+}