wip

packages/analytics/infrastructure/repositories/InMemoryPageViewRepository.ts

@@ -0,0 +1,70 @@
+/**
+ * Infrastructure: InMemoryPageViewRepository
+ * 
+ * In-memory implementation of IPageViewRepository for development/testing.
+ */
+
+import type { IPageViewRepository } from '../../domain/repositories/IPageViewRepository';
+import { PageView, type EntityType } from '../../domain/entities/PageView';
+
+export class InMemoryPageViewRepository implements IPageViewRepository {
+  private pageViews: Map<string, PageView> = new Map();
+
+  async save(pageView: PageView): Promise<void> {
+    this.pageViews.set(pageView.id, pageView);
+  }
+
+  async findById(id: string): Promise<PageView | null> {
+    return this.pageViews.get(id) ?? null;
+  }
+
+  async findByEntityId(entityType: EntityType, entityId: string): Promise<PageView[]> {
+    return Array.from(this.pageViews.values()).filter(
+      pv => pv.entityType === entityType && pv.entityId === entityId
+    );
+  }
+
+  async findByDateRange(startDate: Date, endDate: Date): Promise<PageView[]> {
+    return Array.from(this.pageViews.values()).filter(
+      pv => pv.timestamp >= startDate && pv.timestamp <= endDate
+    );
+  }
+
+  async findBySession(sessionId: string): Promise<PageView[]> {
+    return Array.from(this.pageViews.values()).filter(
+      pv => pv.sessionId === sessionId
+    );
+  }
+
+  async countByEntityId(entityType: EntityType, entityId: string, since?: Date): Promise<number> {
+    return Array.from(this.pageViews.values()).filter(
+      pv => pv.entityType === entityType && 
+            pv.entityId === entityId &&
+            (!since || pv.timestamp >= since)
+    ).length;
+  }
+
+  async countUniqueVisitors(entityType: EntityType, entityId: string, since?: Date): Promise<number> {
+    const visitors = new Set<string>();
+    Array.from(this.pageViews.values())
+      .filter(
+        pv => pv.entityType === entityType && 
+              pv.entityId === entityId &&
+              (!since || pv.timestamp >= since)
+      )
+      .forEach(pv => {
+        visitors.add(pv.visitorId ?? pv.sessionId);
+      });
+    return visitors.size;
+  }
+
+  // Helper for testing
+  clear(): void {
+    this.pageViews.clear();
+  }
+
+  // Helper for seeding demo data
+  seed(pageViews: PageView[]): void {
+    pageViews.forEach(pv => this.pageViews.set(pv.id, pv));
+  }
+}