feat: RLA API v1.0.0 — API complète + exports + thème McKinsey

- 9 endpoints métier : synthese, alertes, en-service, en-cours, par-region, clotures, pilotage-proactif, matrice-risque - Exports PDF (tous rôles) / XLSX PPTX DOCX (superadmin) - services/calc.js : helpers normalisés partagés - services/export-pdf.js : PDF async PDFKit par vue - Thème McKinsey (#1C2B4B / bleu pétrole / gris sobre) - Boutons XLSX/DOCX front (superadmin uniquement) - BASEROW_API_URL → https://baserow.bolbol.tn/api/ - dotenv override: true Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-12 23:47:10 +01:00
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+/**
+ * services/export-xlsx.js
+ * Génération XLSX avec ExcelJS (SuperAdmin uniquement)
+ */
+const ExcelJS = require('exceljs');
+
+const HEADER_FILL = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF002D62' } };
+const HEADER_FONT = { color: { argb: 'FFFFFFFF' }, bold: true, size: 10 };
+const ALT_FILL    = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF1F5F9' } };
+
+function styleHeader(row) {
+  row.eachCell(cell => {
+    cell.fill = HEADER_FILL;
+    cell.font = HEADER_FONT;
+    cell.alignment = { vertical: 'middle', horizontal: 'center' };
+    cell.border = { bottom: { style: 'thin', color: { argb: 'FFE2E8F0' } } };
+  });
+  row.height = 22;
+}
+
+function styleDataRow(row, alt) {
+  if (alt) {
+    row.eachCell(cell => { cell.fill = ALT_FILL; });
+  }
+  row.height = 16;
+}
+
+async function generateXlsx(view, data) {
+  const wb = new ExcelJS.Workbook();
+  wb.creator = 'RLA API';
+  wb.created = new Date();
+
+  const titles = {
+    synthese:       'Synthèse Globale',
+    alertes:        'Alertes Délais',
+    'en-service':   'Marchés en Service',
+    'en-cours':     'Marchés en Cours',
+    'par-region':   'Par Région',
+    clotures:       'Marchés Clôturés',
+    pilotage:       'Pilotage Proactif',
+    'matrice-risque': 'Matrice de Risque',
+  };
+
+  const title = titles[view] || view;
+  const ws    = wb.addWorksheet(title.slice(0, 31));
+
+  const items = data.items || data.regions || [];
+
+  if (!items.length) {
+    ws.addRow(['Aucune donnée disponible.']);
+    return wb.xlsx.writeBuffer();
+  }
+
+  const sample = items[0];
+  const keys   = Object.keys(sample).filter(k => !k.endsWith('_raw') && k !== 'id' && typeof sample[k] !== 'object');
+
+  // En-tête
+  ws.columns = keys.map(k => ({ header: k, key: k, width: 20 }));
+  styleHeader(ws.getRow(1));
+
+  // Données
+  items.forEach((item, i) => {
+    const row = ws.addRow(keys.map(k => item[k] ?? ''));
+    styleDataRow(row, i % 2 === 1);
+  });
+
+  // Freeze header
+  ws.views = [{ state: 'frozen', ySplit: 1 }];
+
+  // Onglet résumé si synthèse
+  if (view === 'synthese' && data.par_statut) {
+    const ws2 = wb.addWorksheet('Par Statut');
+    ws2.columns = [{ header: 'Statut', key: 'statut', width: 30 }, { header: 'Nombre', key: 'nb', width: 15 }];
+    styleHeader(ws2.getRow(1));
+    Object.entries(data.par_statut).forEach(([s, n], i) => {
+      const row = ws2.addRow({ statut: s, nb: n });
+      styleDataRow(row, i % 2 === 1);
+    });
+  }
+
+  return wb.xlsx.writeBuffer();
+}
+
+module.exports = { generateXlsx };