order stat

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,
+    };
+  }
 }