order stat

src/modules/admin/controllers/admin.controller.ts

@@ -51,6 +51,18 @@ export class AdminController {
     return this.adminService.getDashboardCounts();
   }
 
+  @Get('admin/home/stats')
+  @ApiOperation({ summary: 'Get home page stats for admin panel' })
+  getHomeStats() {
+    return this.adminService.getHomeStats();
+  }
+
+  @Get('admin/home/weekly-orders')
+  @ApiOperation({ summary: 'Get weekly order counts for admin home page chart' })
+  getWeeklyOrders() {
+    return this.adminService.getWeeklyOrders();
+  }
+
 
   @Patch('admin/admins/:adminId')
   @Permissions(PermissionEnum.MANAGE_ADMINS)

src/modules/admin/providers/admin.service.ts

@@ -9,8 +9,11 @@ import { RoleRepository } from 'src/modules/roles/respository/role.repository';
 import { PermissionEnum } from 'src/common/enums/permission.enum';
 import { Request } from 'src/modules/request/entities/request.entity';
 import { Invoice } from 'src/modules/invoice/entities/invoice.entity';
+import { InvoiceConfirmStatusEnum } from 'src/modules/invoice/enum/invoice-confirm-status.enum';
 import { Order } from 'src/modules/order/entities/order.entity';
+import { OrderStatusEnum } from 'src/modules/order/interface/order.interface';
 import { Payment } from 'src/modules/payment/entities/payment.entity';
+import { User } from 'src/modules/user/entities/user.entity';
 
 @Injectable()
 export class AdminService {
@@ -172,4 +175,73 @@ export class AdminService {
       paymentsCount,
     };
   }
+
+  async getWeeklyOrders(weeksCount = 8) {
+    const knex = this.em.getConnection().getKnex();
+    const startDate = this.getWeekStartMonday(new Date());
+    startDate.setDate(startDate.getDate() - (weeksCount - 1) * 7);
+
+    const rows = (await knex('orders')
+      .select(knex.raw("date_trunc('week', created_at) as week_start"))
+      .count('* as count')
+      .whereNull('deleted_at')
+      .where('created_at', '>=', startDate)
+      .groupBy('week_start')
+      .orderBy('week_start', 'asc')) as unknown as Array<{ week_start: Date; count: string }>;
+
+    const countByWeek = new Map<string, number>();
+    for (const row of rows) {
+      const weekStart = this.getWeekStartMonday(new Date(row.week_start));
+      countByWeek.set(weekStart.toISOString(), Number(row.count));
+    }
+
+    const result: Array<{ weekStart: string; count: number }> = [];
+    const cursor = new Date(startDate);
+
+    for (let i = 0; i < weeksCount; i++) {
+      const weekStart = this.getWeekStartMonday(cursor);
+      result.push({
+        weekStart: weekStart.toISOString(),
+        count: countByWeek.get(weekStart.toISOString()) ?? 0,
+      });
+      cursor.setDate(cursor.getDate() + 7);
+    }
+
+    return result;
+  }
+
+  private getWeekStartMonday(date: Date): Date {
+    const d = new Date(date);
+    d.setHours(0, 0, 0, 0);
+    const day = d.getDay();
+    const diff = day === 0 ? -6 : 1 - day;
+    d.setDate(d.getDate() + diff);
+    return d;
+  }
+
+  async getHomeStats() {
+    const [
+      requestsCount,
+      unconfirmedInvoicesCount,
+      inProgressOrdersCount,
+      completedOrdersCount,
+      customersCount,
+    ] = await Promise.all([
+      this.em.count(Request),
+      this.em.count(Invoice, { confirmStatus: InvoiceConfirmStatusEnum.PENDING }),
+      this.em.count(Order, {
+        status: { $nin: [OrderStatusEnum.FINISHED, OrderStatusEnum.CANCELED] },
+      }),
+      this.em.count(Order, { status: OrderStatusEnum.FINISHED }),
+      this.em.count(User),
+    ]);
+
+    return {
+      requestsCount,
+      unconfirmedInvoicesCount,
+      inProgressOrdersCount,
+      completedOrdersCount,
+      customersCount,
+    };
+  }
 }

src/modules/invoice/entities/invoice-item.entity.ts

@@ -1,4 +1,4 @@
-import { Collection, Entity, ManyToOne, OptionalProps, Property, OneToMany, Opt, Index } from '@mikro-orm/core';
+import { Entity, ManyToOne, OptionalProps, Property, OneToOne, Opt, Index } from '@mikro-orm/core';
 import { Product } from 'src/modules/product/entities/product.entity';
 import { BaseEntity } from 'src/common/entities/base.entity';
 import { Invoice } from './invoice.entity';
@@ -16,8 +16,8 @@ export class InvoiceItem extends BaseEntity {
   @ManyToOne(() => Product)
   product!: Product;
 
-  @OneToMany(() => Order, order => order.invoiceItem)
-  orders = new Collection<Order>(this);
+  @OneToOne(() => Order, order => order.invoiceItem, { mappedBy: 'invoiceItem' })
+  order?: Order;
 
 
   @Property({ type: 'int' })

src/modules/order/entities/order.entity.ts

@@ -28,7 +28,7 @@ import { OrderDesigner } from './order-designer.entity';
 export class Order extends BaseEntity {
   [OptionalProps]?: 'createdAt' | 'deletedAt' | 'orderNumber'
 
-  @ManyToOne(() => InvoiceItem, { nullable: true })
+  @OneToOne(() => InvoiceItem, (invoiceItem) => invoiceItem.order, { owner: true, nullable: true })
   invoiceItem?: InvoiceItem
 
   @ManyToOne(() => Product, { nullable: true })