add: order chart

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

@@ -12,6 +12,7 @@ import { IOCTYPES } from "../../../IOC/ioc.types";
 import { CancelService } from "../../cancel/cancel.service";
 import { CreateCancelDTO } from "../../cancel/DTO/cancel.dto";
 import { CancelReasonDTO } from "../../cancel/DTO/cancelReason.dto";
+import { Gran } from "../../order/order.repository";
 import { OrderService } from "../../order/order.service";
 import { ReasonDTO, UpdateReasonDTO } from "../../return/DTO/returnReason.dto";
 import { ReturnService } from "../../return/return.service";
@@ -248,4 +249,16 @@ export class AdminOrderController extends BaseController {
     const data = await this.orderService.getSellerOrderDetailAsAdmin(+orderId);
     return this.response(data);
   }
+
+  @ApiOperation("get an sale order chart")
+  @ApiResponse("successful", HttpStatus.Ok)
+  @ApiQuery("from", "starting date")
+  @ApiQuery("to", "ending date")
+  @ApiQuery("granularity", "daily weekly monthly")
+  @ApiAuth()
+  @httpGet("/chart", Guard.authAdmin(), Guard.checkAdminPermissions([PermissionEnum.ORDER]))
+  public async getchart(@queryParam("granularity") granularity: Gran, @queryParam("from") from: string, @queryParam("to") to: string) {
+    const data = await this.orderService.getSaleOrderChart(granularity, from, to);
+    return this.response(data);
+  }
 }

src/modules/order/order.repository.ts

@@ -8,6 +8,7 @@ import { BaseRepository } from "../../common/base/repository";
 import { OrderItemsStatus, OrdersStatus } from "../../common/enums/order.enum";
 import { OrderStatusQuery, SellerOrdersQueries } from "../../common/types/query.type";
 import { TimeService } from "../../utils/time.service";
+export type Gran = "daily" | "weekly" | "monthly";
 
 class OrderRepository extends BaseRepository<IOrder> {
   constructor() {
@@ -502,6 +503,126 @@ class OrderRepository extends BaseRepository<IOrder> {
       },
     ]);
   }
+
+  async getOrderChart(granularity: Gran = "daily", from?: string, to?: string) {
+    // تبدیل/نرمالایز تاریخ‌ها
+    const MS_PER_DAY = 24 * 60 * 60 * 1000;
+    const endDate = to ? new Date(to) : new Date();
+    endDate.setHours(23, 59, 59, 999);
+
+    const defaultStart = new Date(Date.now() - 30 * MS_PER_DAY);
+    const startDate = from ? new Date(from) : defaultStart;
+    startDate.setHours(0, 0, 0, 0);
+
+    if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
+      throw new Error("Invalid date format. Expected YYYY-MM-DD or ISO date.");
+    }
+
+    if (startDate > endDate) {
+      // swap
+      const tmp = new Date(startDate);
+      (startDate as any) = new Date(endDate);
+      (endDate as any) = tmp;
+    }
+
+    // validate granularity
+    const allowed: Record<Gran, "day" | "week" | "month"> = {
+      daily: "day",
+      weekly: "week",
+      monthly: "month",
+    };
+    const unit = allowed[granularity] ?? allowed["daily"];
+
+    // Aggregation pipeline
+    const pipeline: any[] = [
+      {
+        $match: {
+          createdAt: { $gte: startDate, $lte: endDate },
+          // فقط سفارش‌های ثبت شده/پرداخت شده — تنظیم کن اگر می‌خواهی فیلتر فرق کند
+          orderStatus: { $ne: OrdersStatus.wait_payment },
+        },
+      },
+      {
+        $lookup: {
+          from: "orderitems", // اگر اسم کالکشنت فرق دارد اینجا اصلاح کن
+          localField: "_id",
+          foreignField: "order",
+          as: "items",
+        },
+      },
+      { $unwind: { path: "$items", preserveNullAndEmptyArrays: false } },
+      {
+        $addFields: {
+          lineTotal: {
+            $multiply: [{ $ifNull: ["$items.quantity", 0] }, { $ifNull: ["$items.price", 0] }],
+          },
+        },
+      },
+      {
+        $group: {
+          _id: {
+            period: {
+              $dateTrunc: {
+                date: "$createdAt",
+                unit: unit,
+                binSize: 1,
+              },
+            },
+          },
+          periodTotal: { $sum: "$lineTotal" },
+        },
+      },
+      { $sort: { "_id.period": 1 } },
+    ];
+
+    const aggResults: Array<{ _id: { period: Date }; periodTotal: number }> = await this.model.aggregate(pipeline).exec();
+
+    // map نتایج
+    const map = new Map<string, number>();
+    for (const r of aggResults) {
+      const d: Date = r._id.period;
+      const key = unit === "month" ? d.toISOString().slice(0, 7) : d.toISOString().slice(0, 10);
+      map.set(key, r.periodTotal ?? 0);
+    }
+
+    // helper برای قدم زدن در دوره‌ها
+    function formatKey(d: Date) {
+      return unit === "month" ? d.toISOString().slice(0, 7) : d.toISOString().slice(0, 10);
+    }
+    function addPeriod(d: Date) {
+      const nd = new Date(d);
+      if (unit === "day") nd.setDate(nd.getDate() + 1);
+      else if (unit === "week") nd.setDate(nd.getDate() + 7);
+      else nd.setMonth(nd.getMonth() + 1);
+      return nd;
+    }
+
+    const xAxis: string[] = [];
+    const yAxis: number[] = [];
+
+    let cursor = new Date(startDate);
+    if (unit === "month") cursor.setDate(1);
+
+    while (cursor <= endDate) {
+      const key = formatKey(cursor);
+      xAxis.push(key);
+      yAxis.push(map.get(key) ?? 0);
+      cursor = addPeriod(cursor);
+    }
+
+    const totalSales = yAxis.reduce((s, v) => s + v, 0);
+
+    return {
+      chartType: "line",
+      title: "نمودار کل فروش",
+      unit: "تومان",
+      granularity,
+      xAxis,
+      yAxis,
+      totalSales,
+      _debug: { aggregatedPeriods: aggResults.length },
+    };
+  }
 }
 
 class OrderItemRepo extends BaseRepository<IOrderItem> {

src/modules/order/order.service.ts

@@ -7,7 +7,7 @@ import { SellerOrdersDTO } from "./DTO/sellerOrder.dto";
 import { UserOrderDTO } from "./DTO/userOrder.dto";
 import { IShipmentAddress } from "./models/Abstraction/IOrder";
 import { IOrderItem } from "./models/Abstraction/IOrderItem";
-import { OrderItemRepo, OrderRepository } from "./order.repository";
+import { Gran, OrderItemRepo, OrderRepository } from "./order.repository";
 import { AddressMessage, OrderMessage, ShopMessage, UserMessage } from "../../common/enums/message.enum";
 import { OrderItemsStatus, OrdersStatus } from "../../common/enums/order.enum";
 import { OrderStatusQuery, SellerOrdersQueries } from "../../common/types/query.type";
@@ -430,6 +430,12 @@ class OrderService {
     };
   }
 
+  //#######################################
+  //#######################################
+  async getSaleOrderChart(granularity?: Gran, from?: string, to?: string) {
+    return this.orderRepo.getOrderChart(granularity, from, to);
+  }
+
   //#######################################
   //#######################################
   async getDailySalesReport() {