order report by food

src/modules/orders/controllers/orders.controller.ts

@@ -12,6 +12,7 @@ import { UpdateOrderStatusDto } from '../dto/update-order-status.dto';
 import { Permissions } from 'src/common/decorators/permissions.decorator';
 import { Permission } from 'src/common/enums/permission.enum';
 import { AdminCreateOrderDto } from '../dto/admin-create-order.dto';
+import { FoodOrderReportDto } from '../dto/food-order-report.dto';
 
 @ApiTags('orders')
 @ApiBearerAuth()
@@ -127,4 +128,12 @@ export class OrdersController {
   getFoodSalesPieChart(@RestId() restId: string) {
     return this.ordersService.getFoodSalesPieChart(restId);
   }
+
+  @UseGuards(AdminAuthGuard)
+  @Permissions(Permission.VIEW_REPORTS)
+  @ApiOperation({ summary: 'Get order report grouped by food' })
+  @Get('admin/orders/report/by-food')
+  getFoodOrderReport(@RestId() restId: string, @Query() dto: FoodOrderReportDto) {
+    return this.ordersService.getFoodOrderReport(restId, dto);
+  }
 }

src/modules/orders/dto/food-order-report.dto.ts

@@ -0,0 +1,36 @@
+import { IsOptional, IsDateString, IsEnum } from 'class-validator';
+import { ApiPropertyOptional } from '@nestjs/swagger';
+
+export enum FoodOrderReportSortBy {
+  Count = 'count',
+  Price = 'price',
+}
+
+export class FoodOrderReportDto {
+  @ApiPropertyOptional({
+    format: 'date-time',
+    description: 'Filter orders from this date and time',
+    example: '2024-01-01T08:00:00.000Z',
+  })
+  @IsOptional()
+  @IsDateString()
+  from?: string;
+
+  @ApiPropertyOptional({
+    format: 'date-time',
+    description: 'Filter orders until this date and time',
+    example: '2024-12-31T23:59:59.000Z',
+  })
+  @IsOptional()
+  @IsDateString()
+  to?: string;
+
+  @ApiPropertyOptional({
+    enum: FoodOrderReportSortBy,
+    default: FoodOrderReportSortBy.Count,
+    description: 'Sort results by order count or food price',
+  })
+  @IsOptional()
+  @IsEnum(FoodOrderReportSortBy)
+  sortBy: FoodOrderReportSortBy = FoodOrderReportSortBy.Count;
+}

src/modules/orders/providers/orders.service.ts

@@ -25,6 +25,7 @@ import { EventEmitter2 } from '@nestjs/event-emitter';
 import { OrderCreatedEvent, OrderStatusChangedEvent } from '../events/order.events';
 import { OrderMessage } from 'src/common/enums/message.enum';
 import { AdminCreateOrderDto } from '../dto/admin-create-order.dto';
+import { FoodOrderReportDto, FoodOrderReportSortBy } from '../dto/food-order-report.dto';
 import { normalizePhone } from 'src/modules/utils/phone.util';
 type OrderItemData = { food: Food; quantity: number; unitPrice: number; discount: number };
 
@@ -766,4 +767,54 @@ console.log(cart);
       };
     });
   }
+
+  async getFoodOrderReport(restId: string, dto: FoodOrderReportDto) {
+    const { from, to, sortBy = FoodOrderReportSortBy.Count } = dto;
+
+    const params: unknown[] = [restId];
+    const dateFilters: string[] = [];
+
+    if (from) {
+      params.push(new Date(from));
+      dateFilters.push(`AND o.created_at >= ?`);
+    }
+
+    if (to) {
+      params.push(new Date(to));
+      dateFilters.push(`AND o.created_at <= ?`);
+    }
+
+    const orderColumn = sortBy === FoodOrderReportSortBy.Price ? 'f.price' : 'count';
+
+    const result = await this.em.execute(
+      `
+      SELECT
+        f.id as food_id,
+        f.title as food_title,
+        f.price as food_price,
+        COALESCE(SUM(oi.quantity), 0)::int as count,
+        COALESCE(SUM(oi.total_price), 0)::numeric as total_price
+      FROM order_items oi
+      INNER JOIN orders o ON oi.order_id = o.id
+      INNER JOIN foods f ON oi.food_id = f.id
+      WHERE o.restaurant_id = ?
+        ${dateFilters.join('\n        ')}
+        AND o.status NOT IN ('pendingPayment', 'canceled')
+      GROUP BY f.id, f.title, f.price
+      HAVING SUM(oi.quantity) > 0
+      ORDER BY ${orderColumn} DESC
+      `,
+      params,
+    );
+
+    return result.map((row: Record<string, unknown>) => ({
+      food: {
+        id: row.food_id,
+        title: row.food_title,
+      },
+      count: Number(row.count || 0),
+      price: Number(row.food_price || 0),
+      totalPrice: Number(row.total_price || 0),
+    }));
+  }
 }