Initial commit

app/scripts/collections/results.js

@@ -0,0 +1,53 @@
+'use strict';
+
+define([
+  'backbone',
+  'models/result',
+  'models/total'
+], function (Backbone, Result, Total) {
+  var Results = Backbone.Collection.extend({
+    model: Result,
+    initialize: function (model, opts) {
+      this.route = opts.route;
+
+      this.route.on('add', this.newLeg, this);
+      this.route.on('remove', this.calculate, this);
+      this.route.on('sort', this.calculate, this);
+
+      this.total = new Total();
+    },
+    newLeg: function (model, collection, options) {
+      if (this.route.length < 2) {
+        return;
+      }
+      var from;
+      if (this.length > 0) {
+        from = this.route.get(this.last().get('to'));
+      } else {
+        from = this.route.first();
+      }
+
+      var result = new Result({from: from, to: model});
+      this.push(result);
+      this.total.add(result);
+    },
+    calculate: function (model, collection, options) {
+      var models = [];
+      this.total.reset();
+
+      var prev = null;
+      this.route.forEach(function (leg) {
+        if (prev) {
+          var result = new Result({from: prev, to: leg});
+          models.push(result);
+          this.total.add(result);
+        }
+        prev = leg;
+      }.bind(this));
+
+      this.reset(models);
+    }
+  });
+
+  return Results;
+});

app/scripts/collections/route.js

@@ -0,0 +1,19 @@
+define([
+  'lodash',
+  'backbone',
+  '../models/leg'
+], function (_, Backbone, Leg) {
+
+  // var stages = [];
+  // var data = {};
+  var num = 1;
+
+  var Route = Backbone.Collection.extend({
+    model: Leg,
+    comparator: function (model) {
+      return model.get('order');
+    }
+  });
+
+  return Route;
+});