added simple JSON Restaurant Writer

nodejs/HealthDataNYProcessor.js

@@ -38,7 +38,7 @@ makeCallback: function(postProcess, dataOut)
 	return callback;
 },
 
-makeArrayCallback: function(postProcess, dataOut, n)
+makeArrayCallback: function(postProcess, dataOut, n, processArrayData)
 {
 	console.log('make callback');
 	// callback to build data
@@ -61,31 +61,44 @@ makeArrayCallback: function(postProcess, dataOut, n)
 			}
 
 			JSONArray.push(jsonstr);
-				console.log(jsonstr.length);
-				console.log(JSONArray.length);
-				console.log(n);
 
 			if (JSONArray.length == n)
 			{
-				for (var j=0;j<JSONArray[0].length;j++)
+				if (processArrayData)
 				{
-					for (var i=0;i<JSONArray.length;i++)
-					{
-						console.log('test '+j+" "+i);
-						console.log(JSONArray[i][j].percentage_rate);
-					}
-					console.log('');
+					processArrayData(JSONArray);
 				}
-
 			}
+
 		});
-
-
 	}
 
 	return callback;
 },
 
+processArrayData: function(JSONArray)
+{
+	var averaged=[];
+
+	for (var j=0;j<JSONArray[0].length;j++)
+	{
+		var avg=0.0;
+		for (var i=0;i<JSONArray.length;i++)
+		{
+			avg=avg+parseFloat(JSONArray[i][j].percentage_rate);
+			console.log('test '+j+" "+i);
+			console.log(JSONArray[i][j].percentage_rate);
+		}
+		avg=avg/JSONArray.length;
+
+		averaged.push({county_code: j+1, 
+				percentage_rate: avg});
+		console.log('');
+	}
+
+	console.log(averaged);
+},
+
 // process data by county
 processCountyData: function(jsonstr)
 {

nodejs/HealthDataNYTester.js

@@ -1,8 +1,8 @@
 var http = require('http');
 
-var healthDataNYProcessor = require('HealthDataNYProcessor');
+var healthDataNYProcessor = require('./HealthDataNYProcessor');
 
-// declare a couple of options structures representing SODA requests
+// declare some of options structures representing SODA requests
 var options = {
   host: 'health.data.ny.gov',
  // Diabetes death rate 100000
@@ -19,7 +19,6 @@ var dontExercise ={
   path: '/resource/vy66-whxp.json'
 };
 
-
 callback = healthDataNYProcessor.makeCallback(healthDataNYProcessor.processCountyData, healthDataNYProcessor.dataToConsole);
 
 console.log('testconsolelog');
@@ -42,6 +41,6 @@ var optionsArray=[options, adultsOverweight, dontExercise];
 for (i=0;i<optionsArray.length;i++)
 {
 	console.log("creating callback");
-	callback = healthDataNYProcessor.makeArrayCallback(healthDataNYProcessor.processCountyData, null, optionsArray.length);
+	callback = healthDataNYProcessor.makeArrayCallback(healthDataNYProcessor.processCountyData, null, optionsArray.length, healthDataNYProcessor.processArrayData);
 	http.request(optionsArray[i], callback).end();
 }

nodejs/RestaurantDataTester.js

@@ -0,0 +1,12 @@
+var restaurantWriter = require('./RestaurantDataWriter');
+
+var json=[];
+
+var test = {
+    rname: "subway",
+    price: "5.00"
+}
+
+restaurantWriter.writeData(test,json);
+
+console.log(json);

nodejs/RestaurantDataWriter.js

@@ -0,0 +1,11 @@
+// Writes restaurant data to JSON format
+
+module.exports = {
+
+writeData: function(params, json)
+{
+	json.push({name: params.rname, 
+			price: params.price});
+}
+
+}