feat: export resource data to csv, xlsx

packages/server/src/services/Export/ExportService.ts

@@ -0,0 +1,59 @@
+import { Inject, Service } from 'typedi';
+import xlsx from 'xlsx';
+import { sanitizeResourceName } from '../Import/_utils';
+import ResourceService from '../Resource/ResourceService';
+import { ExportableResources } from './ExportResources';
+
+@Service()
+export class ExportResourceService {
+  @Inject()
+  private resourceService: ResourceService;
+
+  @Inject()
+  private exportableResources: ExportableResources;
+
+  /**
+   *
+   * @param {number} tenantId
+   * @param {string} resourceName
+   * @param {string} format
+   */
+  async export(tenantId: number, resourceName: string, format: string = 'csv') {
+    const resource = sanitizeResourceName(resourceName);
+    const resourceMeta = this.resourceService.getResourceMeta(
+      tenantId,
+      resource
+    );
+    const exportable =
+      this.exportableResources.registry.getExportable(resource);
+
+    const data = await exportable.exportable(tenantId, {});
+
+    const exportableColumns = [
+      {
+        label: 'Account Normal',
+        accessor: 'accountNormalFormatted',
+      },
+      {
+        label: 'Account Type',
+        accessor: 'accountTypeFormatted',
+      },
+    ];
+
+    const workbook = xlsx.utils.book_new();
+    const worksheetData = data.map((item) =>
+      exportableColumns.map((col) => item[col.accessor])
+    );
+    worksheetData.unshift(exportableColumns.map((col) => col.label)); // Add header row
+    const worksheet = xlsx.utils.aoa_to_sheet(worksheetData);
+    xlsx.utils.book_append_sheet(workbook, worksheet, 'Exported Data');
+
+    if (format.toLowerCase() === 'csv') {
+      // Convert to CSV using the xlsx package
+      return xlsx.write(workbook, { type: 'buffer', bookType: 'csv' });
+    } else if (format.toLowerCase() === 'xlsx') {
+      // Write to XLSX format
+      return xlsx.write(workbook, { type: 'buffer', bookType: 'xlsx' });
+    }
+  }
+}