huge changes

db-connection.js

@@ -25,14 +25,20 @@ async function connectMongoDB(uri, options = {}) {
         // Handle connection events
         mongoose.connection.on('error', (err) => {
             console.error('MongoDB connection error:', err);
+            const { logSystem: ls } = require('./services/debugLog');
+            ls('MongoDB error', [{ name: 'Error', value: err.message }], null, 0xFF0000).catch(() => {});
         });
 
         mongoose.connection.on('disconnected', () => {
             console.warn('MongoDB disconnected. Attempting to reconnect...');
+            const { logSystem: ls } = require('./services/debugLog');
+            ls('MongoDB disconnected', [], null, 0xFFFF00).catch(() => {});
         });
 
         mongoose.connection.on('reconnected', () => {
             console.log('✓ MongoDB reconnected');
+            const { logSystem: ls } = require('./services/debugLog');
+            ls('MongoDB reconnected', []).catch(() => {});
         });
 
     } catch (err) {
@@ -55,8 +61,32 @@ async function closeMongoDB() {
     }
 }
 
+/**
+ * Retry a function on Mongoose connection errors.
+ * @param {Function} fn - async function to execute
+ * @param {object} options - { retries: 3, delayMs: 500 }
+ * @returns {Promise<*>}
+ */
+async function withRetry(fn, options = {}) {
+    const { retries = 3, delayMs = 500 } = options;
+    let lastError;
+    for (let attempt = 0; attempt <= retries; attempt++) {
+        try {
+            return await fn();
+        } catch (err) {
+            lastError = err;
+            const isConnectionError = err.name === 'MongoNetworkError' ||
+                mongoose.connection.readyState !== 1;
+            if (!isConnectionError || attempt >= retries) throw err;
+            await new Promise(r => setTimeout(r, delayMs));
+        }
+    }
+    throw lastError;
+}
+
 module.exports = {
     connectMongoDB,
     closeMongoDB,
+    withRetry,
     mongoose
 };