Laura Robertson -- Carets

src/app.js

@@ -2,9 +2,21 @@ import 'foundation-sites/dist/foundation.css';
 import 'css/app.css';
 
 import $ from 'jquery';
-
+import _ from 'underscore';
+import Backbone from 'backbone';
 import Simulator from 'models/simulator';
+
+// Models & Collections
+import Quote from 'models/quote';
 import QuoteList from 'collections/quote_list';
+import Order from 'models/order';
+import OrderList from 'collections/order_list';
+
+// Views
+import QuoteView from 'views/quote_view';
+import QuoteListView from 'views/quote_list_view';
+import OrderView from 'views/order_view';
+import OrderListView from 'views/order_list_view';
 
 const quoteData = [
   {
@@ -27,9 +39,41 @@ const quoteData = [
 
 $(document).ready(function() {
   const quotes = new QuoteList(quoteData);
+  const orders = new OrderList();
+
+  let bus = {};
+  bus = _.extend(bus, Backbone.Events);
+
   const simulator = new Simulator({
     quotes: quotes,
   });
 
+  const quoteListView = new QuoteListView({
+    model: quotes,
+    template: _.template($('#quote-template').html()),
+    tradeTemplate: _.template($('#trade-template').html()),
+    bus: bus,
+    el: 'main'
+  });
+
+  const formSelect = function formSelect () {
+    quotes.each((quote) => {
+      const symbol = quote.get('symbol');
+      $('select[name="symbol"]').append(`<option value="${symbol}">${symbol}</option>`);
+    });
+  };
+
+  const orderListView = new OrderListView({
+    model: orders,
+    quotes: quotes,
+    template: _.template($('#order-template').html()),
+    bus: bus,
+    el: '#order-workspace'
+  });
+
+
+  quoteListView.render();
+  formSelect();
+  orderListView.render();
   simulator.start();
 });

src/collections/order_list.js

@@ -0,0 +1,8 @@
+import Backbone from 'backbone';
+import Order from '../models/order';
+
+const OrderList = Backbone.Collection.extend({
+  model: Order,
+});
+
+export default OrderList;

src/models/order.js

@@ -0,0 +1,27 @@
+import Backbone from 'backbone';
+
+const Order = Backbone.Model.extend({
+  validate(attributes) {
+    const errors = {};
+
+    if(!attributes.targetPrice || attributes.targetPrice <= 0) {
+      errors['price'] = ['Invalid target price'];
+    }
+
+    if (this.get('buy') && attributes.targetPrice >= this.get('quote').get('price')) {
+      errors['price'] = ['Price higher than market price!'];
+    }
+
+    if (!this.get('buy') && attributes.targetPrice <= this.get('quote').get('price')) {
+      errors['price'] = ['Price lower than market price!'];
+    }
+
+    if ( Object.keys(errors).length > 0 ) {
+      return errors;
+    } else {
+      return false;
+    }
+  }
+});
+
+export default Order;

src/models/quote.js

@@ -8,10 +8,12 @@ const Quote = Backbone.Model.extend({
 
   buy() {
     // Implement this function to increase the price by $1.00
+    this.set('price', this.get('price') + 1.00);
   },
 
   sell() {
     // Implement this function to decrease the price by $1.00
+    this.set('price', this.get('price') - 1.00);
   },
 });
 

src/views/order_list_view.js

@@ -0,0 +1,75 @@
+import Backbone from 'backbone';
+// import _ from 'underscore';
+// import OrderList from '../collections/order_list';
+import $ from 'jquery';
+import OrderView from './order_view';
+import Order from '../models/order';
+
+const OrderListView = Backbone.View.extend({
+  initialize(params) {
+    this.template = params.template;
+    this.bus = params.bus;
+    this.quotes = params.quotes;
+    this.listenTo(this.model, 'update', this.render);
+  },
+  render() {
+    this.$('#orders').empty();
+
+    this.model.each((order) => {
+      const orderView = new OrderView({
+        model: order,
+        template: this.template,
+        bus: this.bus,
+        tagName: 'li',
+        quotes: this.quotes,
+        className: 'order',
+      });
+      this.$('#orders').append(orderView.render().$el);
+    });
+    return this;
+  },
+  events: {
+    'click .btn-buy': 'buyOrder',
+    'click .btn-sell': 'sellOrder',
+  },
+  createOrder(value) {
+    this.$('.form-errors').empty();
+
+    const orderData = {
+      buy: value.buy,
+      symbol: this.$('select[name=symbol]').val(),
+      quote: this.quotes.find({symbol: this.$('select[name=symbol]').val()}),
+      targetPrice: parseFloat(this.$('input[name=price-target]').val()),
+      bus: this.bus
+    };
+    return new Order(orderData);
+  },
+  buyOrder: function(event) {
+    event.preventDefault();
+    const order = this.createOrder({buy: true});
+    this.validate(order);
+  },
+  sellOrder: function(event) {
+    event.preventDefault();
+    const order = this.createOrder({buy: false});
+    this.validate(order);
+  },
+  validate(order) {
+    if (order.isValid()) {
+      this.model.add(order);
+      this.$el.find('form').trigger('reset');
+    } else {
+      const errors = order.validationError;
+      const errorSection = this.$('.form-errors');
+
+      Object.keys(errors).forEach((field) => {
+        errors[field].forEach((error) => {
+          const html = `<h3>${error}</h3>`;
+          errorSection.append(html);
+        });
+      });
+    }
+  },
+});
+
+export default OrderListView;

src/views/order_view.js

@@ -0,0 +1,37 @@
+import Backbone from 'backbone';
+
+const OrderView = Backbone.View.extend({
+  initialize(params) {
+    this.template = params.template;
+    this.bus = params.bus;
+    this.listenTo(this.model, 'change', this.render);
+    this.listenTo(this.model.get('quote'), 'change', this.tradeOrder);
+  },
+  render() {
+    const compiledTemplate = this.template(this.model.toJSON());
+    this.$el.html(compiledTemplate);
+    return this;
+  },
+  events: {
+    'click .btn-cancel': 'cancelOrder',
+  },
+  cancelOrder() {
+    this.model.destroy();
+    this.remove();
+  },
+  tradeOrder() {
+    if (this.model.get('buy')) {
+      if (this.model.get('quote').get('price') <= this.model.get('targetPrice')) {
+        this.bus.trigger('buyOrder', this);
+        this.cancelOrder();
+      }
+    } else {
+      if (this.model.get('quote').get('price') >= this.model.get('targetPrice')) {
+        this.bus.trigger('sellOrder', this);
+        this.cancelOrder();
+      }
+    }
+  },
+});
+
+export default OrderView;

src/views/quote_list_view.js

@@ -0,0 +1,34 @@
+import Backbone from 'backbone';
+// import _ from 'underscore';
+// import Quote from '../models/quote';
+import QuoteView from './quote_view';
+
+
+const QuoteListView = Backbone.View.extend({
+  initialize(params) {
+    this.template = params.template;
+    this.tradeTemplate = params.tradeTemplate;
+    this.bus = params.bus;
+    this.listenTo(this.model, 'update', this.render);
+  },
+  render() {
+    this.model.each( (quote) => {
+      const quoteView = new QuoteView({
+        model: quote,
+        template: this.template,
+        bus: this.bus,
+        tagName: 'li',
+        className: 'quote',
+      });
+      this.listenTo(quoteView, 'quoteAction', this.trade);
+      this.$('#quotes').append(quoteView.render().$el);
+    });
+    return this;
+  },
+  trade: function(quoteView) {
+    const tradeTemplate = this.tradeTemplate(quoteView.model.toJSON());
+    this.$('#trades').prepend(tradeTemplate);
+  },
+});
+
+export default QuoteListView;

src/views/quote_view.js

@@ -0,0 +1,42 @@
+import Backbone from 'backbone';
+
+const QuoteView = Backbone.View.extend({
+  initialize(params) {
+    this.template = params.template;
+    this.bus = params.bus;
+    this.listenTo(this.model, 'change', this.render);
+    this.listenTo(this.bus, 'buyOrder', this.buyOrder);
+    this.listenTo(this.bus, 'sellOrder', this.sellOrder);
+  },
+  render() {
+    const compiledTemplate = this.template(this.model.toJSON());
+    this.$el.html(compiledTemplate);
+    return this;
+  },
+  events: {
+    'click button.btn-buy': 'buyQuote',
+    'click button.btn-sell': 'sellQuote',
+  },
+  buyQuote: function(event) {
+    this.model.set('buy', true);
+    this.trigger('quoteAction', this);
+    this.model.buy();
+  },
+  sellQuote: function(event) {
+    this.model.set('buy', false);
+    this.trigger('quoteAction', this);
+    this.model.sell();
+  },
+  buyOrder: function(orderQuote) {
+    if(orderQuote.model.get('symbol') === this.model.get('symbol')){
+      this.buyQuote();
+    }
+  },
+  sellOrder: function(orderQuote) {
+    if(orderQuote.model.get('symbol') === this.model.get('symbol')){
+      this.sellQuote();
+    }
+  }
+});
+
+export default QuoteView;