feat(server): general ledger exporting to csv/xlsx

packages/server/src/services/FinancialStatements/GeneralLedger/GeneralLedgerExport.ts

@@ -0,0 +1,43 @@
+import { IGeneralLedgerSheetQuery } from '@/interfaces';
+import { TableSheet } from '@/lib/Xlsx/TableSheet';
+import { Inject, Service } from 'typedi';
+import { GeneralLedgerTableInjectable } from './GeneralLedgerTableInjectable';
+
+@Service()
+export class GeneralLedgerExportInjectable {
+  @Inject()
+  private generalLedgerTable: GeneralLedgerTableInjectable;
+
+  /**
+   * Retrieves the general ledger sheet in XLSX format.
+   * @param {number} tenantId
+   * @param {IGeneralLedgerSheetQuery} query
+   * @returns {Promise<Buffer>}
+   */
+  public async xlsx(tenantId: number, query: IGeneralLedgerSheetQuery) {
+    const table = await this.generalLedgerTable.table(tenantId, query);
+
+    const tableSheet = new TableSheet(table.table);
+    const tableCsv = tableSheet.convertToXLSX();
+
+    return tableSheet.convertToBuffer(tableCsv, 'xlsx');
+  }
+
+  /**
+   * Retrieves the general ledger sheet in CSV format.
+   * @param {number} tenantId
+   * @param {IGeneralLedgerSheetQuery} query
+   * @returns {Promise<Buffer>}
+   */
+  public async csv(
+    tenantId: number,
+    query: IGeneralLedgerSheetQuery
+  ): Promise<string> {
+    const table = await this.generalLedgerTable.table(tenantId, query);
+
+    const tableSheet = new TableSheet(table.table);
+    const tableCsv = tableSheet.convertToCSV();
+
+    return tableCsv;
+  }
+}