Fix: Add DB Self-Healing and CastError Validation

src/controllers/adminController.js

@@ -104,6 +104,9 @@ exports.viewOrder = async (ctx, orderId) => {
     try {
         const i18n = ctx.i18n;
         const id = parseInt(orderId);
+
+        if (isNaN(id)) return ctx.answerCbQuery("❌ Invalid Order ID");
+
         const order = await Order.findOne({ id: id });
 
         if (!order) return ctx.answerCbQuery("Buyurtma topilmadi."); // Low Priority to localize this tiny string fallback

src/database/db.js

@@ -1,10 +1,23 @@
 const mongoose = require('mongoose');
-const config = require('../config');
 
 const connectDB = async () => {
     try {
         await mongoose.connect(process.env.MONGO_URI);
         console.log('✅ MongoDB ulandi');
+
+        // SELF-HEALING: Drop obsolete index 'orderId_1' if it exists to prevent E11000 error
+        try {
+            const collection = mongoose.connection.collection('orders');
+            const indexes = await collection.indexes();
+            const obsoleteIndex = indexes.find(idx => idx.name === 'orderId_1');
+            if (obsoleteIndex) {
+                console.log("⚠️ Found obsolete index 'orderId_1'. Dropping...");
+                await collection.dropIndex('orderId_1');
+                console.log("✅ Obsolete index 'orderId_1' dropped successfully.");
+            }
+        } catch (dbErr) {
+            console.error("⚠️ Index Check Error (Non-fatal):", dbErr.message);
+        }
     } catch (err) {
         console.error('❌ MongoDB ulanishda xatolik:', err);
         process.exit(1);