Add salesperson commissions on issued invoices and a cheque register.

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

apps/api/src/users/users.service.ts

@@ -7,6 +7,7 @@ import {
 } from '@nestjs/common';
 import type { InviteUserRequest, OrgUserDto, UserRole } from '@mento/shared';
 import * as bcrypt from 'bcryptjs';
+import { Prisma } from '@prisma/client';
 import { PrismaService } from '../prisma/prisma.service';
 
 @Injectable()
@@ -56,6 +57,29 @@ export class UsersService {
     return this.toDto(row);
   }
 
+  async updateCommission(
+    organizationId: string,
+    actorRole: UserRole,
+    targetId: string,
+    percent: number,
+  ): Promise<OrgUserDto> {
+    if (actorRole !== 'owner' && actorRole !== 'admin') {
+      throw new ForbiddenException('فقط مالک یا مدیر می‌تواند پورسانت را تعیین کند');
+    }
+    if (percent < 0 || percent > 100) {
+      throw new BadRequestException('درصد پورسانت باید بین ۰ تا ۱۰۰ باشد');
+    }
+    const target = await this.prisma.user.findFirst({
+      where: { id: targetId, organizationId },
+    });
+    if (!target) throw new NotFoundException('کاربر پیدا نشد');
+    const row = await this.prisma.user.update({
+      where: { id: target.id },
+      data: { commissionPercent: new Prisma.Decimal(percent) },
+    });
+    return this.toDto(row);
+  }
+
   async updateRole(
     organizationId: string,
     actor: { userId: string; role: UserRole },
@@ -100,6 +124,7 @@ export class UsersService {
     email: string;
     fullName: string;
     role: UserRole;
+    commissionPercent?: { toString(): string } | number;
     createdAt: Date;
   }): OrgUserDto {
     return {
@@ -107,6 +132,7 @@ export class UsersService {
       email: row.email,
       fullName: row.fullName,
       role: row.role,
+      commissionPercent: Number(row.commissionPercent ?? 0),
       createdAt: row.createdAt.toISOString(),
     };
   }