feat(treasury): list debtors and creditors on the finance report

Show open receivable and payable balances on separate report tabs, and include each list in an Excel export.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/treasury/treasury-ops.service.ts

@@ -2,6 +2,7 @@ import { BadRequestException, Injectable, Logger, NotFoundException } from '@nes
 import { Cron } from '@nestjs/schedule';
 import { Prisma } from '@prisma/client';
 import ExcelJS from 'exceljs';
+import type { TreasuryPartyBalanceDto } from '@mento/shared';
 import { PrismaService } from '../prisma/prisma.service';
 import type { Actor } from '../common/record-scope';
 
@@ -314,7 +315,12 @@ export class TreasuryOpsService {
     return { from: from.toISOString(), to: to.toISOString(), current, previous, ...breakdown };
   }
 
-  async reportExcel(actor: Actor, from?: string, to?: string) {
+  async reportExcel(
+    actor: Actor,
+    from?: string,
+    to?: string,
+    parties?: { debtors: TreasuryPartyBalanceDto[]; creditors: TreasuryPartyBalanceDto[] },
+  ) {
     const data = await this.report(actor, from, to);
     const book = new ExcelJS.Workbook();
     const sheet = book.addWorksheet('گزارش مالی');
@@ -331,10 +337,41 @@ export class TreasuryOpsService {
     sheet.addRow([]);
     sheet.addRow(['دسته هزینه', 'مبلغ', 'سهم']);
     data.current.expenseCategories.forEach((row) => sheet.addRow([row.name, row.amount, row.share]));
+    if (parties) {
+      this.addPartySheet(book, 'بدهکاران', parties.debtors, 'دریافت‌شده');
+      this.addPartySheet(book, 'بستانکاران', parties.creditors, 'پرداخت‌شده');
+    }
     const buffer = await book.xlsx.writeBuffer();
     return Buffer.from(buffer);
   }
 
+  private addPartySheet(
+    book: ExcelJS.Workbook,
+    title: string,
+    rows: TreasuryPartyBalanceDto[],
+    settledLabel: string,
+  ) {
+    const sheet = book.addWorksheet(title);
+    const kindLabel: Record<string, string> = { person: 'مشتری', company: 'شرکت', user: 'کاربر' };
+    sheet.addRow(['طرف حساب', 'نوع', 'مبلغ کل', settledLabel, 'مانده']);
+    let amount = new Prisma.Decimal(0);
+    let settled = new Prisma.Decimal(0);
+    let remaining = new Prisma.Decimal(0);
+    for (const row of rows) {
+      sheet.addRow([
+        row.partyName,
+        (row.partyKind && kindLabel[row.partyKind]) || 'ثبت قبلی',
+        row.amount,
+        row.settledAmount,
+        row.remaining,
+      ]);
+      amount = amount.plus(row.amount);
+      settled = settled.plus(row.settledAmount);
+      remaining = remaining.plus(row.remaining);
+    }
+    sheet.addRow(['جمع', '', money(amount), money(settled), money(remaining)]);
+  }
+
   private async period(organizationId: string, from: Date, to: Date) {
     const docs = await this.prisma.financialDocument.findMany({
       where: {

apps/api/src/treasury/treasury.controller.ts

@@ -269,7 +269,11 @@ export class TreasuryController {
     @Query('from') from?: string,
     @Query('to') to?: string,
   ) {
-    const buffer = await this.ops.reportExcel(user, from, to);
+    const [debtors, creditors] = await Promise.all([
+      this.treasury.partyBalances(user, 'income'),
+      this.treasury.partyBalances(user, 'expense'),
+    ]);
+    const buffer = await this.ops.reportExcel(user, from, to, { debtors, creditors });
     return new StreamableFile(buffer, {
       type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
       disposition: 'attachment; filename="treasury-report.xlsx"',