excel report can be generated now

package.json

@@ -26,6 +26,7 @@
     "cors": "^2.8.1",
     "express": "^4.14.0",
     "mongodb": "^2.2.10",
-    "mongoose": "^4.6.0"
+    "mongoose": "^4.6.0",
+    "msexcel-builder": "0.0.2"
   }
 }

server.js

@@ -1,4 +1,5 @@
 var express = require('express');
+var excelbuilder = require('msexcel-builder');
 var calculate = require('./calculate');
 var utility = require('./utility');
 var queryMaker = require('./queryMaker');
@@ -38,15 +39,39 @@ router.get('/report', function (req, res) {
 		MongoClient.connect(url, function (err, db) {
 			assert.equal(null, err);
 			var query = queryMaker.reportQuery(req);
+			console.log(req.query.generateexcel);
 			console.log(query)
 			var cursor = db.collection('Jobs').find(query);
 			cursor.each(function (err, job) {
 				assert.equal(err, null);
 				if(job!=null){				
 					report = calculate.summaryReport(req, report, job);
 				} else {
-					db.close();				
-					res.json({ data: report });
+					db.close();
+					if (req.query.generateexcel == "true") {
+						var directoryName = __dirname + "\\excel";
+						var workbookName = Date.now().toString() + 'sample.xlsx';
+						var reportFileName = directoryName + "\\" + workbookName;
+
+					 	var workbook = excelbuilder.createWorkbook(directoryName, workbookName);					 	
+					 	var sheet1 = workbook.createSheet('sheet1', 10, 12);
+					 	sheet1.set(1, 1, 'I am title');
+						for (var i = 2; i < 5; i++)
+						sheet1.set(i, 1, 'test'+i);
+
+						// Save it 
+						workbook.save(function(ok){
+							if (!ok) {
+								// workbook.cancel();
+								console.log(ok)
+								console.log(reportFileName)
+								res.download(reportFileName);
+							} else							
+								res.json({ date: "congratulations, your workbook created"});
+						});						
+					} else {
+						res.json({ data: report });
+					}
 				}
 			})
 		});