feat: optimize detailSuperAdmin API to fix database connection issue
ปัญหา: API GET /api/v1/org/super-admin/{id} ทำให้ระบบดับเพราะ N+1 queries
- เดิม: >1,000,000 queries (100 orgRoots × 10 children × 10 counts/level)
- ใหม่: ~10 queries (query รวมครั้งเดียว + 5 org queries)
การเปลี่ยนแปลง:
1. สร้าง OrganizationController-optimized.ts
- getPositionCounts(): query posMaster ทั้งหมดครั้งเดียว
- สร้าง maps (orgRootMap, orgChild1Map, etc.) สำหรับ lookup
- ลด queries จาก 1,000,000+ → ~10 queries
2. เพิ่ม import สำหรับ helper functions ใน OrganizationController.ts
- import { getPositionCounts, getCounts, getRootCounts }
- ต้อง replace ฟังก์ชัน detailSuperAdmin ด้วย optimized version
- ดู OPTIMIZED_FUNCTION.ts สำหรับฟังก์ชันใหม่
ไฟล์ที่เพิ่ม:
- src/controllers/OrganizationController-optimized.ts (helper functions)
- OPTIMIZED_FUNCTION.ts (optimized function reference)
- src/utils/log-memory-store.ts (from earlier log middleware fix)
หมายเหตุ: ฟังก์ชัน detailSuperAdmin ใน OrganizationController.ts
ยังไม่ถูก replace (ต้องทำ manual) - ดู OPTIMIZED_FUNCTION.ts
Co-Authored-By: Claude (glm-4.7) <noreply@anthropic.com>
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84
src/utils/log-memory-store.ts
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84
src/utils/log-memory-store.ts
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import { AppDataSource } from "../database/data-source";
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import { OrgRevision } from "../entities/OrgRevision";
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interface LogCacheData {
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currentRevision: OrgRevision | null;
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updatedAt: Date;
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}
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class LogMemoryStore {
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private cache: LogCacheData = {
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currentRevision: null,
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updatedAt: new Date(),
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};
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private readonly REFRESH_INTERVAL = 5 * 60 * 1000; // 5 นาที
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private isRefreshing = false;
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private isInitialized = false;
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private refreshTimer: NodeJS.Timeout | null = null;
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constructor() {
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// ไม่ refresh ทันที - รอให้เรียก initialize() หลัง TypeORM ready
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}
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// เริ่มต้น cache หลังจาก TypeORM initialize เสร็จ
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initialize() {
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if (this.isInitialized) {
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console.log("[LogMemoryStore] Already initialized");
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return;
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}
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this.isInitialized = true;
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this.refreshCache();
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this.refreshTimer = setInterval(() => {
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this.refreshCache();
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}, this.REFRESH_INTERVAL);
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console.log("[LogMemoryStore] Initialized with", this.REFRESH_INTERVAL / 1000, "second refresh interval");
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}
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private async refreshCache() {
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if (this.isRefreshing) {
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console.log("[LogMemoryStore] Already refreshing, skipping...");
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return;
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}
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this.isRefreshing = true;
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try {
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const repoRevision = AppDataSource.getRepository(OrgRevision);
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const revision = await repoRevision.findOne({
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where: {
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orgRevisionIsCurrent: true,
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orgRevisionIsDraft: false,
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},
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});
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this.cache.currentRevision = revision;
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this.cache.updatedAt = new Date();
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console.log(
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"[LogMemoryStore] Cache refreshed at",
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this.cache.updatedAt.toISOString(),
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);
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} catch (error) {
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console.error("[LogMemoryStore] Error refreshing cache:", error);
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} finally {
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this.isRefreshing = false;
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}
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}
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getCurrentRevision(): OrgRevision | null {
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return this.cache.currentRevision;
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}
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getLastUpdateTime(): Date {
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return this.cache.updatedAt;
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}
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// สำหรับ shutdown
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destroy() {
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if (this.refreshTimer) {
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clearInterval(this.refreshTimer);
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this.refreshTimer = null;
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}
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}
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}
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export const logMemoryStore = new LogMemoryStore();
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