added report api which will be used to fetch user,seller stats

Author: soleil00

package-lock.json

@@ -22,6 +22,7 @@
     "cloudinary": "^2.4.0",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
+    "date-fns": "^4.1.0",
     "dotenv": "^16.4.5",
     "express": "^4.21.1",
     "jsonwebtoken": "^9.0.2",
@@ -56,4 +57,4 @@
     "ts-node": "^10.9.2",
     "typescript": "^5.4.5"
   }
-}
+}

package.json

@@ -0,0 +1,89 @@
+import { Request, Response } from "express";
+import Admin from "../../models/Admin";
+import { decodeAdminToken, generateAdminToken } from "../../helpers/jwt";
+
+export const registerAdmin = async (req: Request, res: Response) => {
+  const { email, password } = req.body;
+
+  try {
+    const existingAdmin = await Admin.findOne({ email });
+    if (existingAdmin) {
+      return res.status(400).json({ message: "Admin already exists." });
+    }
+
+    const newAdmin = await Admin.create({ email, password });
+    return res.status(201).json({ message: "Admin registered successfully.", admin: newAdmin });
+  } catch (error) {
+    return res.status(500).json({ message: "An error occurred.", error });
+  }
+};
+
+export const loginAdmin = async (req: Request, res: Response) => {
+  const { email, password } = req.body;
+
+  try {
+    const admin = await Admin.findOne({ email });
+    if (!admin) {
+      return res.status(404).json({ message: "Admin not found." });
+    }
+
+    const isPasswordMatch = admin.password === password
+    if (!isPasswordMatch) {
+      return res.status(401).json({ message: "Invalid credentials." });
+    }
+
+      const token = generateAdminToken(admin)
+    return res.status(200).json({ message: "Login successful.", token,admin });
+  } catch (error) {
+    return res.status(500).json({ message: "An error occurred.", error });
+  }
+};
+
+export const deactivateAdmin = async (req: Request, res: Response) => {
+  const { id } = req.params;
+  try {
+    const admin = await Admin.findByIdAndUpdate(id, { isActive: false }, { new: true });
+    if (!admin) {
+      return res.status(404).json({ message: "Admin not found." });
+    }
+
+    return res.status(200).json({ message: "Admin deactivated successfully.", admin });
+  } catch (error) {
+    return res.status(500).json({ message: "An error occurred.", error });
+  }
+};
+
+export const activateAdmin = async (req: Request, res: Response) => {
+  const { id } = req.params;
+
+  try {
+    const admin = await Admin.findByIdAndUpdate(id, { isActive: true }, { new: true });
+    if (!admin) {
+      return res.status(404).json({ message: "Admin not found." });
+    }
+
+    return res.status(200).json({ message: "Admin activated successfully.", admin });
+  } catch (error) {
+    return res.status(500).json({ message: "An error occurred.", error });
+  }
+};
+
+export const getAdminInfo = async (req: Request, res: Response) => {
+  const token = req.headers.authorization?.split(" ")[1]; 
+
+  if (!token) {
+    return res.status(401).json({ message: "Authorization token missing." });
+  }
+
+  try {
+      const admin = await decodeAdminToken(token)
+      
+    if (!admin) {
+      return res.status(404).json({ message: "Admin not found." });
+    }
+
+    return res.status(200).json(admin);
+  } catch (error) {
+    return res.status(401).json({ message: "Invalid or expired token.", error });
+  }
+};

src/controllers/admin/index.ts

@@ -0,0 +1,44 @@
+import { Request, Response } from "express";
+import SanctionedRegion from "../../models/misc/SanctionedRegion";
+
+
+export const getRestrictedAreaStats = async (req: Request, res: Response) => {
+    try {
+        const restrictedAreas = await SanctionedRegion.find()
+        return res.status(200).json({
+            restrictedAreas
+        });
+    } catch (error) {
+        return res.status(500).json({
+            success: false,
+            message: "Error fetching restricted areas",
+            error: error
+        });
+    }
+}
+
+export const createSanctionedRegion = async (req: Request, res: Response) => {
+    try {
+        const { location, boundary } = req.body;
+
+        const newSanctionedRegion = await SanctionedRegion.create({
+            location,
+            boundary: {
+                type: "Polygon",
+                coordinates: boundary
+            }
+        });
+
+        return res.status(201).json({
+            success: true,
+            message: "Sanctioned region created successfully",
+            data: newSanctionedRegion
+        });
+    } catch (error) {
+        return res.status(500).json({
+            success: false,
+            message: "Error creating sanctioned region",
+            error: error
+        });
+    }
+}

src/controllers/statistics/restricted-countries-statistics.ts

@@ -0,0 +1,83 @@
+import { Request, Response } from "express";
+import ReviewFeedback from "../../models/ReviewFeedback";
+import User from "../../models/User";
+
+export const getReviewStatistics = async (req: Request, res: Response) => {
+  try {
+    const page = parseInt(req.query.page as string) || 1;
+    const limit = parseInt(req.query.limit as string) || 20;
+    
+    const skip = (page - 1) * limit;
+    const totalReviews = await ReviewFeedback.countDocuments();
+    const reviews = await ReviewFeedback.find()
+      .sort({ createdAt: -1 })
+      .skip(skip)
+      .limit(limit);
+
+    const totalPages = Math.ceil(totalReviews / limit);
+    const hasNextPage = page < totalPages;
+    const hasPrevPage = page > 1;
+
+    const mappedReviews = await Promise.all(
+      reviews.map(async (review) => {
+        const reviewerUser = await User.findOne({ pi_uid: review.review_giver_id });
+        const sellerUser = await User.findOne({ pi_uid: review.review_receiver_id });
+
+        return {
+          id: review._id,
+          reviewer: reviewerUser?.pi_username ||review.review_giver_id,
+          seller: sellerUser?.pi_username || review.review_receiver_id ,
+          rating: review.rating,
+          comment: review.comment,
+          date: review.review_date.toISOString().split("T")[0], 
+        };
+      })
+    );
+
+
+    const mostReviewedUser = await ReviewFeedback.aggregate([
+      { $group: { _id: "$review_receiver_id", count: { $sum: 1 } } },
+      { $sort: { count: -1 } },
+      { $limit: 1 },
+    ]);
+
+    const user = await User.findOne({
+      pi_uid: mostReviewedUser[0]?._id,
+    });
+
+
+    const now = new Date();
+    const startOfMonth = new Date(now.getFullYear(), now.getMonth(), 1);
+    const startOfNextMonth = new Date(now.getFullYear(), now.getMonth() + 1, 1);
+
+    const currentMonthReviews = await ReviewFeedback.countDocuments({
+      review_date: { $gte: startOfMonth, $lt: startOfNextMonth },
+    });
+
+    const currentMonthReviewPercentage =
+      totalReviews > 0
+        ? ((currentMonthReviews / totalReviews) * 100).toFixed(2)
+        : "0.00";
+
+    res.status(200).json({
+      reviews:mappedReviews,
+      totalReviews,
+      mostReviewedUser: {
+        user: user || null,
+        count: mostReviewedUser[0]?.count || 0,
+      },
+      currentMonthReviews,
+      currentMonthReviewPercentage: `${currentMonthReviewPercentage}`,
+      pagination: {
+        currentPage: page,
+        totalPages,
+        hasNextPage,
+        hasPrevPage,
+        totalReviews
+      },
+    });
+  } catch (error) {
+    res.status(500).json({ message: "Failed to fetch review statistics", error });
+  }
+};
+

src/controllers/statistics/review-statistics.ts

@@ -0,0 +1,130 @@
+
+
+import { Request, Response } from "express";
+import Seller from "../../models/Seller";
+// import logger from "../../config/loggingConfig";
+
+export const getSellerStatistics = async (req: Request, res: Response) => {
+  try {
+    const page = parseInt(req.query.page as string) || 1;
+    const limit = parseInt(req.query.limit as string) || 15;
+    
+    const skip = (page - 1) * limit;
+    const totalSellers = await Seller.countDocuments();
+    const sellers = await Seller.find()
+      .sort({ createdAt: -1 })
+      .skip(skip)
+      .limit(limit);
+
+    const totalPages = Math.ceil(totalSellers / limit);
+    const hasNextPage = page < totalPages;
+    const hasPrevPage = page > 1;
+
+    
+    const now = new Date();
+    const startOfMonth = new Date(now.getFullYear(), now.getMonth(), 1);
+    const endOfMonth = new Date(now.getFullYear(), now.getMonth() + 1, 0);
+
+    const activeSellersCount = await Seller.countDocuments({ seller_type: "activeSeller" });
+    const inactiveSellers = await Seller.countDocuments({ seller_type: "inactiveSeller" });
+    const testSellers = await Seller.countDocuments({ seller_type: "testSeller" });
+
+    const sellerGrowthThisMonth = await Seller.aggregate([
+      {
+        $match: {
+          createdAt: { $gte: startOfMonth, $lte: endOfMonth },
+        },
+      },
+      {
+        $group: {
+          _id: "$seller_type",
+          count: { $sum: 1 },
+        },
+      },
+    ]);
+
+    const sellerGrowthByTypeThisMonth = sellerGrowthThisMonth.reduce((acc, item) => {
+      acc[item._id] = item.count;
+      return acc;
+    }, {});
+
+    const newSellersThisMonth = sellerGrowthThisMonth.reduce((sum, item) => sum + item.count, 0);
+
+    const percentageGrowthThisMonth =
+        totalSellers > 0 ? (newSellersThisMonth / totalSellers) * 100 : 0;
+      
+          const months = [
+      "January",
+      "February",
+      "March",
+      "April",
+      "May",
+      "June",
+      "July",
+      "August",
+      "September",
+      "October",
+      "November",
+      "December",
+    ];
+
+    const sellerGrowth = await Seller.aggregate([
+      {
+        $group: {
+          _id: { $month: "$createdAt" },
+          count: { $sum: 1 },
+        },
+      },
+      { $sort: { "_id": 1 } },
+    ]);
+
+    const data = sellerGrowth.map((growth) => {
+      return {
+        month: months[growth._id - 1],
+        count: growth.count,
+      };
+    });
+
+    const shopDetails = sellers.map(seller => ({
+      name: seller.name,
+      owner: seller.seller_id,
+      category: seller.seller_type, 
+      rating: parseFloat(seller.average_rating.toString()),
+      status: seller.order_online_enabled_pref ? "Active" : "Inactive",
+      address: seller.address,
+      coordinates: seller.sell_map_center.coordinates,
+    }));
+
+
+    const statistics = {
+      totalSellers,
+      sellers:shopDetails,
+      activeSellers: activeSellersCount,
+      inactiveSellers,
+      testSellers,
+      newSellersThisMonth,
+      percentageGrowthThisMonth: percentageGrowthThisMonth.toFixed(2), 
+      sellerGrowthByTypeThisMonth: {
+        activeSeller: sellerGrowthByTypeThisMonth["activeSeller"] || 0,
+        inactiveSeller: sellerGrowthByTypeThisMonth["inactiveSeller"] || 0,
+        testSeller: sellerGrowthByTypeThisMonth["testSeller"] || 0,
+        },
+      sellerGrowth: data,
+      pagination: {
+        currentPage: page,
+        totalPages,
+        hasNextPage,
+        hasPrevPage,
+      },
+    };
+
+    // logger.info("Fetched seller statistics for the current month successfully", statistics);
+
+    return res.status(200).json(statistics);
+  } catch (error) {
+    // logger.error("Failed to fetch seller statistics:", error);
+    return res
+      .status(500)
+      .json({ message: "An error occurred while fetching seller statistics; please try again later." });
+  }
+};