feat(server): sales by items export csv & xlsx

packages/server/src/services/FinancialStatements/SalesByItems/SalesByItemsTable.ts

@@ -0,0 +1,65 @@
+import * as R from 'ramda';
+import { ISalesByItemsSheetStatement, ITableColumn, ITableData, ITableRow } from '@/interfaces';
+import { tableRowMapper } from '@/utils';
+
+export class SalesByItemsTable {
+  private readonly data: ISalesByItemsSheetStatement;
+
+  constructor(data: ISalesByItemsSheetStatement) {
+    this.data = data;
+  }
+
+  private commonTableAccessors() {
+    return [
+      { key: 'item_name', accessor: 'name' },
+      { key: 'quantity', accessor: 'quantitySoldFormatted' },
+      { key: 'sold', accessor: 'soldCostFormatted' },
+    ];
+  }
+
+  private itemMap(item: any) {
+    const columns = this.commonTableAccessors();
+    const meta = {};
+
+    return tableRowMapper(item, columns, meta);
+  }
+
+  private itemsMap(items: any[]) {
+    return R.map(this.itemMap, items);
+  }
+
+  /**
+   * 
+   * @param total 
+   * @returns 
+   */
+  private totalMap(total: any) {
+    const columns = this.commonTableAccessors();
+    const meta = {};
+
+    return tableRowMapper(total, columns, meta);
+  }
+
+  /**
+   * 
+   * @returns {ITableRow[]}
+   */
+  public tableData(): ITableRow[] {
+    const itemsRows = this.itemsMap(this.data.items);
+    const totalRow = this.totalMap(this.data.total);
+
+    return [...itemsRows, totalRow];
+  }
+
+  /**
+   * Retrieves the table columns.
+   * @returns {ITableColumn[]}
+   */
+  public tableColumns(): ITableColumn[] {
+    return [
+      { key: 'item_name', label: 'Item Name' },
+      { key: 'quantity', label: 'Quantity' },
+      { key: 'sold_cost', label: 'Sold Cost' },
+    ];
+  }
+}