Enhance metrics calculation scripts with improved progress tracking and cancellation support

inventory-server/scripts/import-csv.js

@@ -3,6 +3,7 @@ const path = require('path');
 const csv = require('csv-parse');
 const mysql = require('mysql2/promise');
 const dotenv = require('dotenv');
+const { outputProgress, formatElapsedTime, estimateRemaining, calculateRate } = require('./metrics/utils/progress');
 
 // Get test limits from environment variables
 const PRODUCTS_TEST_LIMIT = parseInt(process.env.PRODUCTS_TEST_LIMIT || '0');
@@ -106,20 +107,19 @@ async function countRows(filePath) {
 }
 
 // Helper function to update progress with time estimate
-function updateProgress(current, total, operation, startTime) {
-    const elapsed = (Date.now() - startTime) / 1000;
-    const rate = current / elapsed; // rows per second
-    const remaining = (total - current) / rate;
-    
+function updateProgress(current, total, operation, startTime, added = 0, updated = 0, skipped = 0) {
     outputProgress({
         status: 'running',
         operation,
         current,
         total,
-        rate,
-        elapsed: formatDuration(elapsed),
-        remaining: formatDuration(remaining),
-        percentage: ((current / total) * 100).toFixed(1)
+        rate: calculateRate(startTime, current),
+        elapsed: formatElapsedTime(startTime),
+        remaining: estimateRemaining(startTime, current, total),
+        percentage: ((current / total) * 100).toFixed(1),
+        added,
+        updated,
+        skipped
     });
 }
 
@@ -474,7 +474,7 @@ async function importProducts(pool, filePath) {
             // Update progress every 100ms to avoid console flooding
             const now = Date.now();
             if (now - lastUpdate > 100) {
-                updateProgress(rowCount, totalRows, 'Products import', startTime);
+                updateProgress(rowCount, totalRows, 'Products import', startTime, added, updated, 0);
                 lastUpdate = now;
             }
 
@@ -678,7 +678,7 @@ async function importOrders(pool, filePath) {
         // Update progress every 100ms
         const now = Date.now();
         if (now - lastUpdate > 100) {
-            updateProgress(rowCount, totalRows, 'Orders import', startTime);
+            updateProgress(rowCount, totalRows, 'Orders import', startTime, added, updated, skipped);
             lastUpdate = now;
         }
 
@@ -845,7 +845,7 @@ async function importPurchaseOrders(pool, filePath) {
         // Update progress every 100ms
         const now = Date.now();
         if (now - lastUpdate > 100) {
-            updateProgress(rowCount, totalRows, 'Purchase orders import', startTime);
+            updateProgress(rowCount, totalRows, 'Purchase orders import', startTime, added, updated, skipped);
             lastUpdate = now;
         }