Engine closes #97

client/app/products/productView/productView.controller.js

@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('stackStoreApp')
-  .controller('ProductViewCtrl', function ($scope, Product, Auth, Order, Review, User, $routeParams, Cart, $sce) {
+  .controller('ProductViewCtrl', function ($scope, Product, Auth, Order, Review, User, $routeParams, Cart, $sce, $http) {
     $scope.cart;
     // why?  whyyyyyyyyyyyyyyyy
   	$scope.user = Auth.getCurrentUser();
@@ -12,6 +12,7 @@ angular.module('stackStoreApp')
             $scope.newReview.userId = user._id;
         });
     }
+    $scope.recommendations = [];
   	$scope.quantity = 1;
     $scope.isAdmin = Auth.isAdmin;
     $scope.reviews = [];
@@ -20,6 +21,15 @@ angular.module('stackStoreApp')
 
     Product.get({id: $routeParams.id}, function(product) {
         $scope.product = product;
+        $http.post('http://localhost:3000/'+product._id)
+          .then(function(res){
+            var ids = res.data;
+            angular.forEach(ids, function(id) {
+              Product.get({id: id}).$promise.then(function(prod){
+                $scope.recommendations.push(prod);
+              })
+            });
+          })
     // this doesn't do anything yet bc orders, man
     //     $scope.user.orders.forEach(function(order) {
     //         order.lineItems.forEach(function(lineItem) {

client/app/products/productView/productView.html

@@ -32,7 +32,14 @@ <h3>{{product.price | currency}}</h3>
 			</form>
 		</div>	
 	</div>
-
+	<div class="row">
+		<h4>Frequently purchased with:</h4>
+		<div class="col-lg-4 col-md-4 col-sm-4" ng-repeat="rec in recommendations">
+			<a href="/products/{{rec._id}}"><img ng-src="{{rec.images[0]}}" style="height: 50px" />
+			{{rec.name}}</a>
+			{{rec.price | currency}}
+		</div>
+	</div>
 	<div class="row">
 		<div class="col-lg-6 col-md-6 col-sm-12">
 			<h3>Reviews</h3>

engine-server/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "engine-server",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "nodemon ./server.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.10.1",
+    "express": "^4.11.0",
+    "mongoose": "^3.8.21"
+  }
+}

engine-server/server.js

@@ -0,0 +1,106 @@
+var express = require('express');
+var bodyParser = require('body-parser');
+var mongoose = require('mongoose');
+var Schema = mongoose.Schema;
+
+var ProductSchema = new Schema({
+  name: {type: String, required: true},
+  price: {type: Number, required: true},
+  description: {blurb: {type: String, required: true}, full: {type: String, required: true}},
+  categories: [{ type: Schema.Types.ObjectId, ref: 'Category', index: true}],
+  images: {type: Array, default: ['http://lorempixel.com/400/400']}, 
+  reviews: [{ type: Schema.Types.ObjectId, ref: 'Review' }],
+  quantity: Number // quantity available--needs to increment when order placed
+});
+
+var Product = mongoose.model('Product', ProductSchema);
+
+var lineItemsSchema = new Schema({
+  productId: String,
+  productName: String,
+  price: Number,
+  quantity: Number,
+  image: {type: String, default:'http://lorempixel.com/400/400'}
+});
+var states = 'created processing processing_guest cancelled cancelled_guest completed completed_guest'.split(' ');
+
+var OrderSchema = new Schema({
+  userId: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
+  lineItems: {type:[lineItemsSchema], required:true },
+  status: {type: String, default:'created', enum: states},
+  date: Date,
+  shipping: {},
+  billing: {} // includes chargeId
+});
+
+var Order = mongoose.model('Order', OrderSchema);
+
+// let's set up mongoose
+mongoose.connect('mongodb://localhost/stackstore-dev');
+mongoose.connection.on('error', console.error.bind(console, 'connection error:'));
+
+
+var server = express();
+
+server.use(bodyParser.json());
+server.use(bodyParser.urlencoded({extended: false}));
+
+// allow cross-domain
+server.use(function(req, res, next) {
+    res.header('Access-Control-Allow-Origin', '*');
+    res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
+    res.header('Access-Control-Allow-Headers', 'Content-Type');
+    next();
+});
+
+var obj = {};
+Order.find(function(err, orders) {
+	orders.forEach(function(order) {
+			// each item id is a key in the hash
+				// each item id is a key in that key's value, e.g.
+				// {id1: {id2: val, id3: val...}, id2: {id1: val, id3: val...}}
+				// increment values for the object
+				// go through the rest of the goddamn objects in the line item.
+		order.lineItems.forEach(function(item1, outerIndex) {
+			if (!obj[item1.productId]) obj[item1.productId] = {};
+			order.lineItems.forEach(function (item2, innerIndex) {
+				if (item1.productId !== item2.productId) {
+					if (!obj[item1.productId][item2.productId]) {
+						obj[item1.productId][item2.productId] = 1
+					}
+					else {
+						obj[item1.productId][item2.productId]++;
+					}
+				}
+			});
+		});
+	});
+	// console.log(obj);
+});
+
+server.post('/:id', function(req, res) {
+	Product.findById(req.params.id, function(err, product){
+		// console.log(obj);
+		// console.log(product._id);
+		// console.log(obj[product._id]);
+		var highestValues = [{num: 0}, {num: 0}, {num: 0}];
+		// go to that item's section of the hash (obj[product._id])
+		// go through each entry in that section (by key)
+		// and see if its value (number of co-occurrences) is higher than
+		// any of the values currently in the "highestValues" array.
+		for (var key in obj[product._id]) {
+			for (var i = 0; i < 3; i++) {
+				if (obj[product._id][key] > highestValues[i]['num']) {
+					highestValues[i] = {productId: key, num: obj[product._id][key]}
+					break;
+				}
+			}
+		}
+		var ids = [highestValues[0].productId, highestValues[1].productId, highestValues[2].productId];
+		// console.log(ids);
+		// console.log(highestValues);
+		res.send(ids);
+	});
+});
+
+server.listen(3000);