Merge pull request #80 from atlp-rwanda/feat-admin-stat

feat(admin):admin can view statistics

src/controllers/adminStatistics.ts

@@ -0,0 +1,61 @@
+import { Request, Response } from "express";
+import { sendResponse } from "../utils/http.exception";
+import { User } from "../database/models/User";
+import { Role } from "../database/models/role";
+import { Sales } from "../database/models/sales";
+import { Product } from "../database/models/product";
+import { Order } from "../database/models/order";
+
+export const adminStatistics = async (req: Request, res: Response) => {
+	try {
+		const SellerID = await Role.findOne({ where: { roleName: "SELLER" } });
+		const buyerID = await Role.findOne({ where: { roleName: "BUYER" } });
+		const allSellers = await User.findAndCountAll({
+			where: { role: SellerID?.dataValues.id },
+		});
+		const allBuyers = await User.findAndCountAll({
+			where: { role: buyerID?.dataValues.id },
+		});
+		const activeBuyers = allBuyers.rows.filter((item) => item.isActive);
+		const activeSellers = allSellers.rows.filter((item) => item.isActive);
+		const allOrders = await Order.findAndCountAll({
+			include: {
+				model: Sales,
+				as: "sales",
+				attributes: {
+					exclude: ["createdAt", "updatedAt", "orderId", "buyerId"],
+				},
+				include: [
+					{
+						model: Product,
+						as: "soldProducts",
+						attributes: ["name", "images", "price"],
+					},
+				],
+			},
+		});
+		const completedOrder = allOrders.rows.filter(
+			(item) => item.status === "delivered",
+		);
+		const completedOrderPercent =
+			(completedOrder.length * 100) / allOrders.rows.length;
+		const data = {
+			Numbersofsellers: allSellers,
+			NumberofBuyer: allBuyers,
+			NumberofOrders: allOrders,
+			activeBuyers: activeBuyers.length,
+			activeSellers: activeSellers.length,
+			completedOrderPercent,
+			completedOrder,
+		};
+		return sendResponse(res, 200, "SUCCESS", "Here is your statistics", data);
+	} catch (error) {
+		return sendResponse(
+			res,
+			500,
+			"SERVER ERROR",
+			"Internal server error",
+			(error as Error).message,
+		);
+	}
+};

src/documention/stats/index.ts

@@ -17,4 +17,7 @@ export const stats = {
 	"/api/v1/stats": {
 		get: read_statistics,
 	},
+	"/api/v1/admin/stats": {
+		get: read_statistics,
+	},
 };

src/routes/adminStatsRoute.ts

@@ -0,0 +1,13 @@
+import express from "express";
+
+import authenticate from "../middlewares/auth";
+import { adminStatistics } from "../controllers/adminStatistics";
+
+export const AdminstatisticsRouter = express.Router();
+
+AdminstatisticsRouter.get(
+	"/admin/stats",
+	authenticate.authenticateUser,
+	authenticate.isAdmin,
+	adminStatistics,
+);

src/routes/index.ts

@@ -14,6 +14,7 @@ import { statisticsRouter } from "./statisticsRoutes";
 
 import reviewRouter from "./review.routes";
 import notificationRouter from "./notificationsRoutes";
+import { AdminstatisticsRouter } from "./adminStatsRoute";
 const router = express.Router();
 
 router.use("/users", userRoutes);
@@ -30,5 +31,6 @@ router.use("/reviews", reviewRouter);
 router.use("/orders", orderRoutes);
 router.use("/sales", salesRoutes);
 router.use("/notifications", notificationRouter);
+router.use("/", AdminstatisticsRouter);
 
 export default router;