Merge pull request 'feature/admin-section' (#12) from feature/admin-section into main

Reviewed-on: #12

src/config/database.js

@@ -90,6 +90,7 @@ const initDb = async () => {
       CREATE TABLE IF NOT EXISTS users (
         id INTEGER PRIMARY KEY AUTOINCREMENT,
         telegram_id TEXT UNIQUE NOT NULL,
+        username TEXT,
         country TEXT,
         city TEXT,
         district TEXT,

src/handlers/adminUserHandler.js

@@ -11,12 +11,7 @@ export default class AdminUserHandler {
         return config.ADMIN_IDS.includes(userId.toString());
     }
 
-  async handleUserList(msg) {
+    async calculateStatistics() {
-    if (!this.isAdmin(msg.from.id)) {
-      await this.bot.sendMessage(msg.chat.id, 'Unauthorized access.');
-      return;
-    }
-
         try {
             const users = await db.allAsync(`
         SELECT 
@@ -32,11 +27,6 @@ export default class AdminUserHandler {
         ORDER BY u.created_at DESC
       ` );
 
-      if (users.length === 0) {
-        await this.bot.sendMessage(msg.chat.id, 'No users registered yet.');
-        return;
-      }
-
             // Calculate general statistics
             const totalUsers = users.length;
             const activeUsers = users.filter(u => u.total_purchases > 0).length;
@@ -48,24 +38,96 @@ export default class AdminUserHandler {
             message += `👥 Total Users: ${totalUsers}\n`;
             message += `✅ Active Users: ${activeUsers}\n`;
             message += `💰 Total Balance: $${totalBalance.toFixed(2)}\n`;
-      message += `🛍 Total Purchases: ${totalPurchases}\n\n`;
+            message += `🛍 Total Purchases: ${totalPurchases}`;
-      message += `Select a user from the list below:`;
+
+            return message;
+        } catch (error) {
+            return null
+        }
+    }
+
+    async viewUserPage(page) {
+        const limit = 10;
+        const offset = (page || 0) * limit;
+
+        const previousPage = page > 0 ? page - 1 : 0;
+        const nextPage = page + 1;
+
+        try {
+            const users = await db.allAsync(`
+        SELECT 
+          u.*,
+          COUNT(DISTINCT p.id) as total_purchases,
+          COUNT(DISTINCT cw.id) as total_wallets,
+          COALESCE(SUM(t.amount), 0) as total_balance
+        FROM users u
+        LEFT JOIN purchases p ON u.id = p.user_id
+        LEFT JOIN crypto_wallets cw ON u.id = cw.user_id
+        LEFT JOIN transactions t ON u.id = t.user_id
+        GROUP BY u.id
+        ORDER BY u.created_at DESC
+        LIMIT ?
+        OFFSET ?
+      `, [limit, offset]);
+            if ((users.length === 0) && (page == 0)) {
+                return {text: 'No users registered yet.'};
+            }
+
+            if ((users.length === 0) && (page > 0)) {
+                return await this.viewUserPage(page - 1);
+            }
+
+            const statistics = await this.calculateStatistics()
+            const message = `${statistics}\n\nSelect a user from the list below:`;
 
             // Create inline keyboard with user list
             const keyboard = {
                 inline_keyboard: users.map(user => [{
-          text: `ID: ${user.telegram_id} | Balance: $${user.total_balance || 0}`,
+                    text: `ID: ${user.telegram_id} | Nickname: ${user.username ? "@" + user.username : "None"} | Balance: $${user.total_balance || 0}`,
                     callback_data: `view_user_${user.telegram_id}`
                 }])
             };
 
-      await this.bot.sendMessage(msg.chat.id, message, {
+            keyboard.inline_keyboard.push([
-        parse_mode: 'HTML',
+                {text: `«`, callback_data: `list_users_${previousPage}`},
-        reply_markup: keyboard
+                {text: `»`, callback_data: `list_users_${nextPage}`},
-      });
+            ])
+
+            return {text: message, markup: keyboard}
         } catch (error) {
             console.error('Error in handleUserList:', error);
-      await this.bot.sendMessage(msg.chat.id, 'Error loading user list. Please try again.');
+            return {text: 'Error loading user list. Please try again.'}
+        }
+    }
+
+    async handleUserList(msg) {
+        if (!this.isAdmin(msg.from.id)) {
+            await this.bot.sendMessage(msg.chat.id, 'Unauthorized access.');
+            return;
+        }
+
+        const {text, markup} = await this.viewUserPage(0);
+        await this.bot.sendMessage(msg.chat.id, text, {reply_markup: markup})
+    }
+
+    async handleUserListPage(callbackQuery) {
+        if (!this.isAdmin(callbackQuery.from.id)) {
+            return;
+        }
+
+        const chatId = callbackQuery.message.chat.id;
+        const page = parseInt(callbackQuery.data.replace('list_users_', ''));
+
+        try {
+            const {text, markup} = await this.viewUserPage(page);
+            await this.bot.editMessageText(text, {
+                chat_id: chatId,
+                message_id: callbackQuery.message.message_id,
+                reply_markup: markup,
+                parse_mode: 'HTML'
+            });
+        } catch (e) {
+            return;
         }
     }
 
@@ -249,7 +311,10 @@ ${purchases.map(p => `  • ${p.product_name} x${p.quantity} - $${p.total_price}
             const keyboard = {
                 inline_keyboard: [
                     ...wallets.map(wallet => [
-            { text: `${wallet.wallet_type}: ${wallet.address}`, callback_data: `edit_wallet_${wallet.wallet_type}` }
+                        {
+                            text: `${wallet.wallet_type}: ${wallet.address}`,
+                            callback_data: `edit_wallet_${wallet.wallet_type}`
+                        }
                     ]),
                     [{text: '« Back', callback_data: `view_user_${userId}`}]
                 ]

src/handlers/adminUserLocationHandler.js

@@ -0,0 +1,172 @@
+import db from '../config/database.js';
+import config from "../config/config.js";
+
+export default class AdminUserLocationHandler {
+    constructor(bot) {
+        this.bot = bot;
+    }
+
+    isAdmin(userId) {
+        return config.ADMIN_IDS.includes(userId.toString());
+    }
+
+    async handleEditUserLocation(callbackQuery) {
+        if (!this.isAdmin(callbackQuery.from.id)) return;
+
+        const userId = callbackQuery.data.replace('edit_user_location_', '');
+        const chatId = callbackQuery.message.chat.id;
+        const messageId = callbackQuery.message.message_id;
+
+        try {
+            const countries = await db.allAsync('SELECT DISTINCT country FROM locations ORDER BY country');
+
+            if (countries.length === 0) {
+                await this.bot.editMessageText(
+                    'No locations available yet.',
+                    {
+                        chat_id: chatId,
+                        message_id: messageId,
+                        reply_markup: {
+                            inline_keyboard: [[
+                                {text: '« Back to User', callback_data: `view_user_${userId}`}
+                            ]]
+                        }
+                    }
+                );
+                return;
+            }
+
+            const keyboard = {
+                inline_keyboard: [
+                    ...countries.map(loc => [{
+                        text: loc.country,
+                        callback_data: `edit_user_country_${loc.country}_${userId}`
+                    }]),
+                    [{text: '« Back to User', callback_data: `view_user_${userId}`}]
+                ]
+            };
+
+            await this.bot.editMessageText(
+                '🌍 Select user country:',
+                {
+                    chat_id: chatId,
+                    message_id: messageId,
+                    reply_markup: keyboard
+                }
+            );
+        } catch (error) {
+            console.error('Error in handleSetLocation:', error);
+            await this.bot.sendMessage(chatId, 'Error loading countries. Please try again.');
+        }
+    }
+
+    async handleEditUserCountry(callbackQuery) {
+        if (!this.isAdmin(callbackQuery.from.id)) return;
+
+        const chatId = callbackQuery.message.chat.id;
+        const messageId = callbackQuery.message.message_id;
+        const [country, userId] = callbackQuery.data.replace('edit_user_country_', '').split("_");
+
+        try {
+            const cities = await db.allAsync(
+                'SELECT DISTINCT city FROM locations WHERE country = ? ORDER BY city',
+                [country]
+            );
+
+            const keyboard = {
+                inline_keyboard: [
+                    ...cities.map(loc => [{
+                        text: loc.city,
+                        callback_data: `edit_user_city_${country}_${loc.city}_${userId}`
+                    }]),
+                    [{text: '« Back to Countries', callback_data: `edit_user_location_${userId}`}]
+                ]
+            };
+
+            await this.bot.editMessageText(
+                `🏙 Select city in ${country}:`,
+                {
+                    chat_id: chatId,
+                    message_id: messageId,
+                    reply_markup: keyboard
+                }
+            );
+        } catch (error) {
+            console.error('Error in handleSetCountry:', error);
+            await this.bot.sendMessage(chatId, 'Error loading cities. Please try again.');
+        }
+    }
+
+    async handleEditUserCity(callbackQuery) {
+        if (!this.isAdmin(callbackQuery.from.id)) return;
+
+        const chatId = callbackQuery.message.chat.id;
+        const messageId = callbackQuery.message.message_id;
+        const [country, city, userId] = callbackQuery.data.replace('edit_user_city_', '').split('_');
+
+        try {
+            const districts = await db.allAsync(
+                'SELECT district FROM locations WHERE country = ? AND city = ? ORDER BY district',
+                [country, city]
+            );
+
+            const keyboard = {
+                inline_keyboard: [
+                    ...districts.map(loc => [{
+                        text: loc.district,
+                        callback_data: `edit_user_district_${country}_${city}_${loc.district}_${userId}`
+                    }]),
+                    [{text: '« Back to Cities', callback_data: `edit_user_country_${country}_${userId}`}]
+                ]
+            };
+
+            await this.bot.editMessageText(
+                `📍 Select district in ${city}:`,
+                {
+                    chat_id: chatId,
+                    message_id: messageId,
+                    reply_markup: keyboard
+                }
+            );
+        } catch (error) {
+            console.error('Error in handleSetCity:', error);
+            await this.bot.sendMessage(chatId, 'Error loading districts. Please try again.');
+        }
+    }
+
+    async handleEditUserDistrict(callbackQuery) {
+        if (!this.isAdmin(callbackQuery.from.id)) return;
+
+        const chatId = callbackQuery.message.chat.id;
+        const messageId = callbackQuery.message.message_id;
+        const [country, city, district, userId] = callbackQuery.data.replace('edit_user_district_', '').split('_');
+
+        try {
+            await db.runAsync('BEGIN TRANSACTION');
+
+            await db.runAsync(
+                'UPDATE users SET country = ?, city = ?, district = ? WHERE telegram_id = ?',
+                [country, city, district, userId.toString()]
+            );
+
+            await db.runAsync('COMMIT');
+
+            await this.bot.editMessageText(
+                `✅ Location updated successfully!\n\nCountry: ${country}\nCity: ${city}\nDistrict: ${district}`,
+                {
+                    chat_id: chatId,
+                    message_id: messageId,
+                    reply_markup: {
+                        inline_keyboard: [[
+                            {text: '« Back to User', callback_data: `view_user_${userId}`}
+                        ]]
+                    }
+                }
+            );
+        } catch (error) {
+            await db.runAsync('ROLLBACK');
+            console.error('Error in handleSetDistrict:', error);
+            await this.bot.sendMessage(chatId, 'Error updating location. Please try again.');
+        }
+    }
+}

src/handlers/userHandler.js

@@ -57,10 +57,11 @@ export default class UserHandler {
   async handleStart(msg) {
     const chatId = msg.chat.id;
     const userId = msg.from.id;
+    const username = msg.chat.username;
 
     try {
       // Create user profile
-      await User.create(userId);
+      await User.create(userId, username);
       
       const keyboard = {
         reply_markup: {

src/index.js

@@ -10,6 +10,7 @@ import AdminLocationHandler from './handlers/adminLocationHandler.js';
 import AdminProductHandler from './handlers/adminProductHandler.js';
 import ErrorHandler from './utils/errorHandler.js';
 import User from './models/User.js';
+import AdminUserLocationHandler from "./handlers/adminUserLocationHandler.js";
 
 // Debug logging function
 const logDebug = (action, functionName) => {
@@ -36,6 +37,7 @@ const userLocationHandler = new UserLocationHandler(bot);
 const adminHandler = new AdminHandler(bot);
 const adminUserHandler = new AdminUserHandler(bot);
 const adminLocationHandler = new AdminLocationHandler(bot);
+const adminUserLocationHandler = new AdminUserLocationHandler(bot);
 const adminProductHandler = new AdminProductHandler(bot);
 
 // Start command - Create user profile
@@ -252,6 +254,9 @@ bot.on('callback_query', async (callbackQuery) => {
         else if (action.startsWith('view_user_')) {
             logDebug(action, 'handleViewUser');
             await adminUserHandler.handleViewUser(callbackQuery);
+        } else if (action.startsWith('list_users_')) {
+            logDebug(action, 'handleViewUser');
+            await adminUserHandler.handleUserListPage(callbackQuery);
         } else if (action.startsWith('delete_user_')) {
             logDebug(action, 'handleDeleteUser');
             await adminUserHandler.handleDeleteUser(callbackQuery);
@@ -262,6 +267,20 @@ bot.on('callback_query', async (callbackQuery) => {
             logDebug(action, 'handleEditUserBalance');
             await adminUserHandler.handleEditUserBalance(callbackQuery);
         }
+        // Admin users location management
+        else if (action.startsWith('edit_user_location_')) {
+            logDebug(action, 'handleEditUserLocation');
+            await adminUserLocationHandler.handleEditUserLocation(callbackQuery);
+        } else if (action.startsWith('edit_user_country_')) {
+            logDebug(action, 'handleEditUserCountry');
+            await adminUserLocationHandler.handleEditUserCountry(callbackQuery);
+        } else if (action.startsWith('edit_user_city_')) {
+            logDebug(action, 'handleEditUserCity');
+            await adminUserLocationHandler.handleEditUserCity(callbackQuery);
+        } else if (action.startsWith('edit_user_district_')) {
+            logDebug(action, 'handleEditUserDistrict');
+            await adminUserLocationHandler.handleEditUserDistrict(callbackQuery)
+        }
         await bot.answerCallbackQuery(callbackQuery.id);
     } catch (error) {
         await ErrorHandler.handleError(bot, msg.chat.id, error, 'callback query');

src/models/User.js

@@ -1,7 +1,7 @@
 import db from '../config/database.js';
 
 export default class User {
-  static async create(telegramId) {
+  static async create(telegramId, username) {
     try {
       // First check if user exists
       const existingUser = await this.getById(telegramId);
@@ -14,8 +14,8 @@ export default class User {
 
       // Create new user
       const result = await db.runAsync(
-        'INSERT INTO users (telegram_id) VALUES (?)',
+        'INSERT INTO users (telegram_id, username) VALUES (?, ?)',
-        [telegramId.toString()]
+        [telegramId.toString(), username]
       );
 
       // Commit transaction