add dummy data script

clear-and-populate-dummy-data.js

@@ -0,0 +1,160 @@
+/**
+ * Script untuk membersihkan semua history data Firebase 
+ * dan mengisinya dengan dummy data (40-80) untuk testing
+ * 
+ * Jalankan dengan: node clear-and-populate-dummy-data.js
+ */
+
+const admin = require('firebase-admin');
+const path = require('path');
+
+// Initialize Firebase Admin
+const serviceAccountPath = path.join(__dirname, 'service-account-key.json');
+
+// Cek apakah file key ada
+try {
+  const serviceAccount = require(serviceAccountPath);
+  admin.initializeApp({
+    credential: admin.credential.cert(serviceAccount),
+    databaseURL: process.env.FIREBASE_DATABASE_URL || 'https://your-project.firebaseio.com'
+  });
+} catch (error) {
+  console.error('❌ Service account key tidak ditemukan!');
+  console.error('   Pastikan file service-account-key.json ada di railway-worker/');
+  process.exit(1);
+}
+
+const db = admin.database();
+
+// Fungsi untuk generate dummy data
+function generateDummyData(startDate, endDate) {
+  const data = {};
+  
+  let currentDate = new Date(startDate);
+  
+  while (currentDate <= endDate) {
+    const dateKey = formatDate(currentDate);
+    const dateData = {};
+    
+    // Generate data setiap 30 menit
+    for (let hour = 0; hour < 24; hour++) {
+      for (let minute = 0; minute < 60; minute += 30) {
+        const timeKey = `${String(hour).padStart(2, '0')}:${String(minute).padStart(2, '0')}`;
+        
+        // Generate random values 40-80
+        const soil1 = 40 + Math.random() * 40;
+        const soil2 = 40 + Math.random() * 40;
+        const soil3 = 40 + Math.random() * 40;
+        const soil4 = 40 + Math.random() * 40;
+        const soil5 = 40 + Math.random() * 40;
+        
+        dateData[timeKey] = {
+          soil_1: soil1.toFixed(1),
+          soil_2: soil2.toFixed(1),
+          soil_3: soil3.toFixed(1),
+          soil_4: soil4.toFixed(1),
+          soil_5: soil5.toFixed(1),
+          suhu: (20 + Math.random() * 15).toFixed(1),           // 20-35°C
+          kelembapan: (40 + Math.random() * 40).toFixed(1),     // 40-80%
+          ldr: Math.floor(300 + Math.random() * 700).toString(), // 300-1000
+          source: 'dummy-data',
+          timestamp: new Date(
+            currentDate.getFullYear(),
+            currentDate.getMonth(),
+            currentDate.getDate(),
+            hour,
+            minute
+          ).getTime().toString(),
+          type: 'sensor_reading'
+        };
+      }
+    }
+    
+    data[dateKey] = dateData;
+    currentDate.setDate(currentDate.getDate() + 1);
+  }
+  
+  return data;
+}
+
+// Fungsi format date
+function formatDate(date) {
+  const year = date.getFullYear();
+  const month = String(date.getMonth() + 1).padStart(2, '0');
+  const day = String(date.getDate()).padStart(2, '0');
+  return `${year}-${month}-${day}`;
+}
+
+// Main function
+async function clearAndPopulateDummyData() {
+  try {
+    console.log('\n🔄 Mulai proses clear dan populate dummy data...\n');
+    
+    // Step 1: Clear existing history data
+    console.log('⏳ Step 1: Menghapus data history yang sudah ada...');
+    const historyRef = db.ref('history');
+    
+    const snapshot = await historyRef.once('value');
+    if (snapshot.exists()) {
+      await historyRef.remove();
+      console.log('✅ Data history berhasil dihapus!\n');
+    } else {
+      console.log('ℹ️  Tidak ada data history untuk dihapus\n');
+    }
+    
+    // Step 2: Generate dummy data untuk 7 hari terakhir
+    console.log('⏳ Step 2: Generate dummy data untuk 7 hari terakhir...');
+    const endDate = new Date();
+    const startDate = new Date();
+    startDate.setDate(startDate.getDate() - 7);
+    
+    const dummyData = generateDummyData(startDate, endDate);
+    const totalEntries = Object.values(dummyData).reduce(
+      (sum, dateData) => sum + Object.keys(dateData).length, 
+      0
+    );
+    
+    console.log(`✅ Generated ${totalEntries} data points untuk ${Object.keys(dummyData).length} hari\n`);
+    
+    // Step 3: Upload dummy data ke Firebase
+    console.log('⏳ Step 3: Upload dummy data ke Firebase...');
+    await historyRef.set(dummyData);
+    console.log('✅ Dummy data berhasil diupload!\n');
+    
+    // Step 4: Verify data
+    console.log('⏳ Step 4: Verifikasi data...');
+    const verifySnapshot = await historyRef.once('value');
+    const uploadedData = verifySnapshot.val();
+    const uploadedEntries = Object.values(uploadedData).reduce(
+      (sum, dateData) => sum + Object.keys(dateData).length,
+      0
+    );
+    
+    console.log(`✅ Verifikasi: ${uploadedEntries} data points berhasil tersimpan\n`);
+    
+    // Summary
+    console.log('═══════════════════════════════════════════════════');
+    console.log('✨ SUMMARY');
+    console.log('═══════════════════════════════════════════════════');
+    console.log(`📅 Periode: ${formatDate(startDate)} hingga ${formatDate(endDate)}`);
+    console.log(`📊 Total data points: ${uploadedEntries}`);
+    console.log(`📈 Nilai range: 40-80`);
+    console.log(`🔄 Status: BERHASIL\n`);
+    
+    console.log('🎯 Instruksi selanjutnya:');
+    console.log('1. Buka aplikasi di Flutter');
+    console.log('2. Buka halaman Histori');
+    console.log('3. Data dummy akan dimuat otomatis dari Firebase');
+    console.log('4. Grafik harus terlihat clean tanpa outliers\n');
+    
+    process.exit(0);
+    
+  } catch (error) {
+    console.error('\n❌ ERROR:', error.message);
+    console.error('\nDetail:', error);
+    process.exit(1);
+  }
+}
+
+// Run the script
+clearAndPopulateDummyData();