fix: api /super-admin/{id} memory cache

src/utils/OrgStructureCache.ts

@@ -0,0 +1,96 @@
+interface CacheEntry {
+  data: any;
+  cachedAt: Date;
+}
+
+class OrgStructureCache {
+  private cache: Map<string, CacheEntry> = new Map();
+  private readonly CACHE_TTL = 10 * 60 * 1000; // 10 minutes
+  private isInitialized = false;
+  private cleanupTimer: NodeJS.Timeout | null = null;
+
+  constructor() {
+    // Don't auto-initialize - wait for AppDataSource to be ready
+  }
+
+  initialize() {
+    if (this.isInitialized) return;
+
+    this.isInitialized = true;
+    // Cleanup expired entries every 10 minutes
+    this.cleanupTimer = setInterval(() => {
+      this.cleanup();
+    }, this.CACHE_TTL);
+
+    console.log("[OrgStructureCache] Initialized");
+  }
+
+  private generateKey(revisionId: string, rootId?: string): string {
+    return `org-structure-${revisionId}-${rootId || "all"}`;
+  }
+
+  private cleanup() {
+    const now = Date.now();
+    let cleaned = 0;
+
+    for (const [key, entry] of this.cache.entries()) {
+      const age = now - entry.cachedAt.getTime();
+      if (age > this.CACHE_TTL) {
+        this.cache.delete(key);
+        cleaned++;
+      }
+    }
+
+    if (cleaned > 0) {
+      console.log(`[OrgStructureCache] Cleaned ${cleaned} expired entries`);
+    }
+  }
+
+  async get(revisionId: string, rootId?: string): Promise<any | null> {
+    const key = this.generateKey(revisionId, rootId);
+    const entry = this.cache.get(key);
+
+    if (!entry) {
+      return null;
+    }
+
+    // Check if expired
+    const age = Date.now() - entry.cachedAt.getTime();
+    if (age > this.CACHE_TTL) {
+      this.cache.delete(key);
+      return null;
+    }
+
+    console.log(`[OrgStructureCache] HIT: ${key}`);
+    return entry.data;
+  }
+
+  async set(revisionId: string, rootId: string | undefined, data: any): Promise<void> {
+    const key = this.generateKey(revisionId, rootId);
+    this.cache.set(key, {
+      data,
+      cachedAt: new Date(),
+    });
+    console.log(`[OrgStructureCache] SET: ${key}`);
+  }
+
+  invalidate(revisionId: string): void {
+    // Invalidate all entries for this revision
+    for (const key of this.cache.keys()) {
+      if (key.startsWith(`org-structure-${revisionId}`)) {
+        this.cache.delete(key);
+      }
+    }
+    console.log(`[OrgStructureCache] INVALIDATED: ${revisionId}`);
+  }
+
+  destroy() {
+    if (this.cleanupTimer) {
+      clearInterval(this.cleanupTimer);
+      this.cleanupTimer = null;
+    }
+    this.cache.clear();
+  }
+}
+
+export const orgStructureCache = new OrgStructureCache();