first commit

utils/reportExcel.ts

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+import ExcelJS from 'exceljs';
+import type { DashboardReportPayload } from '../types/dashboardReport.ts';
+
+const na = (value: number | null | undefined): number | string =>
+  value == null || !Number.isFinite(value) ? 'N/A' : value;
+
+export async function downloadReportExcel(payload: DashboardReportPayload): Promise<void> {
+  const workbook = new ExcelJS.Workbook();
+  workbook.creator = 'Dashboard CPSP';
+
+  const counting = workbook.addWorksheet('Chicken Counting');
+  counting.addRow([
+    'Tanggal',
+    'Hari',
+    'Stok awal',
+    'Mortalitas',
+    'Panen',
+    'Stok akhir',
+    'IoT',
+    'Akurasi %',
+  ]);
+  for (const row of payload.counting) {
+    counting.addRow([
+      row.date,
+      row.day,
+      na(row.countBefore),
+      na(row.mortality),
+      na(row.harvest),
+      na(row.countAfter),
+      na(row.iotCount),
+      na(row.accuracy),
+    ]);
+  }
+
+  const weight = workbook.addWorksheet('Weight');
+  weight.addRow([
+    'Tanggal',
+    'Hari',
+    'AVG manual',
+    'AVG IoT',
+    'Keseragaman',
+    'Selisih',
+    'Akurasi %',
+  ]);
+  for (const row of payload.weight) {
+    weight.addRow([
+      row.date,
+      row.day,
+      na(row.avgManual),
+      na(row.avgIot),
+      na(row.uniformity),
+      na(row.difference),
+      na(row.accuracy),
+    ]);
+  }
+
+  const feedInSheet = workbook.addWorksheet('Feed In');
+  feedInSheet.addRow(['Tanggal', 'Manual in', 'IoT in', 'Akurasi in %']);
+  for (const row of payload.feedIn) {
+    feedInSheet.addRow([row.date, na(row.manualIn), na(row.iotIn), na(row.accuracy)]);
+  }
+
+  const feedUseSheet = workbook.addWorksheet('Feed Use');
+  feedUseSheet.addRow(['Tanggal', 'Hari', 'Manual use', 'IoT use', 'Akurasi use %']);
+  for (const row of payload.feedUse) {
+    feedUseSheet.addRow([row.date, row.day, na(row.manualUse), na(row.iotUse), na(row.accuracy)]);
+  }
+
+  const feedOutSheet = workbook.addWorksheet('Feed Out');
+  feedOutSheet.addRow(['Tanggal', 'Manual out', 'IoT out', 'Akurasi out %']);
+  for (const row of payload.feedOut) {
+    feedOutSheet.addRow([row.date, na(row.manualOut), na(row.iotOut), na(row.accuracy)]);
+  }
+
+  const fcrSheet = workbook.addWorksheet('FCR');
+  fcrSheet.addRow(['Hari', 'FCR', 'Total Pakan', 'Bobot IoT', 'Ayam Hidup', 'Total Bobot Panen']);
+  for (const row of payload.fcr) {
+    fcrSheet.addRow([
+      row.day,
+      na(row.iotFcr),
+      na(row.feedTotal),
+      na(row.iotWeight),
+      na(row.chickenLife),
+      na(row.harvestWeightTotal),
+    ]);
+  }
+
+  const eefSheet = workbook.addWorksheet('EEF');
+  eefSheet.addRow([
+    'Hari',
+    'EEF',
+    'Persentase Ayam Hidup',
+    'BW Rata-rata Panen',
+    'Umur Rata-rata Panen',
+    'FCR',
+  ]);
+  for (const row of payload.eef) {
+    eefSheet.addRow([
+      row.day,
+      na(row.iotEef),
+      na(row.chickenLifePercentage),
+      na(row.iotAverageHarvestBw),
+      na(row.iotAverageDayWeight),
+      na(row.iotFcr),
+    ]);
+  }
+
+  const buffer = await workbook.xlsx.writeBuffer();
+  const blob = new Blob([buffer], {
+    type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+  });
+  const period =
+    payload.reportType === 'end_cycle' ? 'Akhir-Siklus' : `Harian-Hari-${payload.upToDay}`;
+  const url = URL.createObjectURL(blob);
+  const anchor = document.createElement('a');
+  anchor.href = url;
+  anchor.download = `Laporan-${period}-${payload.area}-${payload.kandangName}-${payload.cycleStart}_sd_${payload.cycleEnd}.xlsx`;
+  anchor.click();
+  URL.revokeObjectURL(url);
+}