Initial commit apps directory with .gitignore

2026-02-22 15:15:41 +08:00
commit 0aa8cdd72c
228 changed files with 69672 additions and 0 deletions
--- a/app-Izin_Keluar/server.js
+++ b/app-Izin_Keluar/server.js
@@ -0,0 +1,142 @@
+
+import express from 'express';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import cors from 'cors';
+
+const app = express();
+const PORT = process.env.PORT || 3004;
+
+// Karena kita menggunakan ES module, __dirname perlu didefinisikan secara manual
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// URL yang akan di-proxy
+const GOOGLE_APPS_SCRIPT_URL = 'https://script.google.com/macros/s/AKfycbybbQyKyVPSVPXOqOjaOFMKetuYfyweGcjResfLi-B-8scqaoyXeSsmsqNTXeTLe7_Wvg/exec';
+const STUDENT_DATA_URL = 'https://docs.google.com/spreadsheets/d/18nVeas2TG5SbkTUsc1mQWmPP_0xu3fek-UfTQdjjvUc/gviz/tq?tqx=out:csv&sheet=DATABASE';
+const PERMIT_DATA_URL = 'https://docs.google.com/spreadsheets/d/18nVeas2TG5SbkTUsc1mQWmPP_0xu3fek-UfTQdjjvUc/gviz/tq?tqx=out:csv&sheet=REKAP IZIN';
+
+// === CACHING SYSTEM ===
+const cache = {
+    students: { data: null, timestamp: 0 },
+    permits: { data: null, timestamp: 0 }
+};
+
+// Cache TTL (Time To Live) in milliseconds
+const STUDENT_CACHE_TTL = 5 * 60 * 1000; // 5 menit - data siswa jarang berubah
+const PERMIT_CACHE_TTL = 30 * 1000; // 30 detik - data izin lebih sering berubah
+
+const isCacheValid = (cacheEntry, ttl) => {
+    return cacheEntry.data && (Date.now() - cacheEntry.timestamp) < ttl;
+};
+// === END CACHING SYSTEM ===
+
+app.use(cors());
+app.use(express.json());
+
+// Proxy untuk data CSV siswa (dengan cache)
+app.get('/api/students', async (req, res) => {
+    try {
+        // Check cache first
+        if (isCacheValid(cache.students, STUDENT_CACHE_TTL)) {
+            console.log('📦 Serving students from cache');
+            return res.type('text/csv').send(cache.students.data);
+        }
+
+        console.log('🌐 Fetching students from Google Sheets...');
+        const response = await fetch(STUDENT_DATA_URL);
+        if (!response.ok) throw new Error(`Network response was not ok: ${response.statusText}`);
+        const csvText = await response.text();
+
+        // Update cache
+        cache.students = { data: csvText, timestamp: Date.now() };
+        console.log('✅ Students cached successfully');
+
+        res.type('text/csv').send(csvText);
+    } catch (error) {
+        console.error("Error proxying student data:", error);
+        res.status(500).json({ error: "Failed to fetch student data." });
+    }
+});
+
+// Proxy untuk data CSV izin (dengan cache)
+app.get('/api/permits-csv', async (req, res) => {
+    try {
+        // Check cache first (shorter TTL for permits)
+        if (isCacheValid(cache.permits, PERMIT_CACHE_TTL)) {
+            console.log('📦 Serving permits from cache');
+            return res.type('text/csv').send(cache.permits.data);
+        }
+
+        console.log('🌐 Fetching permits from Google Sheets...');
+        const url = `${PERMIT_DATA_URL}&t=${new Date().getTime()}`;
+        const response = await fetch(url);
+        if (!response.ok) throw new Error(`Network response was not ok: ${response.statusText}`);
+        const csvText = await response.text();
+
+        // Update cache
+        cache.permits = { data: csvText, timestamp: Date.now() };
+        console.log('✅ Permits cached successfully');
+
+        res.type('text/csv').send(csvText);
+    } catch (error) {
+        console.error("Error proxying permit data:", error);
+        res.status(500).json({ error: "Failed to fetch permit data." });
+    }
+});
+
+// Proxy untuk semua aksi Google Apps Script (submit, update, delete)
+app.post('/api/action', async (req, res) => {
+    try {
+        const response = await fetch(GOOGLE_APPS_SCRIPT_URL, {
+            method: 'POST',
+            redirect: 'follow',
+            body: JSON.stringify(req.body),
+            headers: { "Content-Type": "text/plain;charset=utf-8" },
+        });
+
+        if (!response.ok) {
+            const errorBody = await response.text();
+            console.error('Apps Script Proxy Error Body:', errorBody);
+            throw new Error(`Apps Script responded with status: ${response.status}`);
+        }
+
+        const result = await response.json();
+
+        // Invalidate permits cache after any action (submit, update, delete)
+        cache.permits = { data: null, timestamp: 0 };
+        console.log('🗑️ Permits cache invalidated after action');
+
+        res.json(result);
+
+    } catch (error) {
+        console.error("Error proxying to Google Apps Script:", error);
+        res.status(500).json({ status: 'error', message: 'Proxy request to Google Apps Script failed.' });
+    }
+});
+
+// Endpoint untuk force refresh cache (opsional, berguna untuk admin)
+app.post('/api/refresh-cache', (req, res) => {
+    cache.students = { data: null, timestamp: 0 };
+    cache.permits = { data: null, timestamp: 0 };
+    console.log('🗑️ All caches cleared');
+    res.json({ status: 'success', message: 'Cache cleared successfully' });
+});
+
+
+// Tentukan path absolut ke folder 'dist'
+const distPath = path.resolve(__dirname, 'dist');
+
+// Menyajikan file statis dari direktori build React
+app.use(express.static(distPath));
+
+// "Catchall" handler: untuk permintaan apa pun yang tidak cocok dengan rute di atas, kirim file index.html React.
+app.get('*', (req, res) => {
+    res.sendFile(path.resolve(distPath, 'index.html'));
+});
+
+app.listen(PORT, () => {
+    console.log(`🚀 Server is running on port ${PORT}`);
+    console.log(`📂 Serving static files from ${distPath}`);
+    console.log(`⏱️ Student cache TTL: ${STUDENT_CACHE_TTL / 1000}s, Permit cache TTL: ${PERMIT_CACHE_TTL / 1000}s`);
+});