Initial commit

lib/assets/javascripts/builder/data/background-importer/background-polling-model.js

@@ -0,0 +1,100 @@
+var Backbone = require('backbone');
+var ImportsCollection = require('./background-importer-imports-collection');
+
+var POLLINGS_TIMER = 3000;
+
+/**
+ *  Background polling default model
+ *
+ */
+
+module.exports = Backbone.Model.extend({
+
+  defaults: {
+    showSuccessDetailsButton: true,
+    importsPolling: false // enable imports polling
+  },
+
+  initialize: function (attrs, opts) {
+    if (!opts.userModel) throw new Error('userModel is required');
+    if (!opts.configModel) throw new Error('configModel is required');
+
+    this._userModel = opts.userModel;
+    this._configModel = opts.configModel;
+
+    this.importsCollection = opts.importsCollection || new ImportsCollection(null, {
+      userModel: this._userModel,
+      configModel: this._configModel
+    });
+
+    this._initBinds();
+    this.startPollings();
+  },
+
+  _initBinds: function () {
+    this.importsCollection.bind('change:state', function (mdl) {
+      this.trigger('change', mdl, this);
+      this._onImportsStateChange(mdl);
+    }, this);
+
+    this.importsCollection.bind('remove', function (mdl) {
+      this.trigger('importRemoved', mdl, this);
+    }, this);
+
+    this.importsCollection.bind('add', function (mdl) {
+      this.trigger('importAdded', mdl, this);
+    }, this);
+  },
+
+  getTotalFailedItems: function () {
+    return this.importsCollection.failedItems().length;
+  },
+
+  removeImportItem: function (mdl) {
+    if (!mdl) {
+      return false;
+    }
+    this.importsCollection.remove(mdl);
+  },
+
+  addImportItem: function (mdl) {
+    if (!mdl) {
+      return false;
+    }
+    this.importsCollection.add(mdl);
+  },
+
+  canAddImport: function () {
+    return this.importsCollection.canImport();
+  },
+
+  getTotalImports: function () {
+    return this.importsCollection.size();
+  },
+
+  getTotalPollings: function () {
+    return this.importsCollection.size();
+  },
+
+  stopPollings: function () {
+    if (this.get('importsPolling')) {
+      this.importsCollection.destroyCheck();
+    }
+  },
+
+  startPollings: function () {
+    var self = this;
+    // Don't start pollings inmediately
+    setTimeout(function () {
+      if (self.get('importsPolling')) {
+        self.importsCollection.pollCheck();
+      }
+    }, POLLINGS_TIMER);
+  },
+
+  _onImportsStateChange: function () {},
+
+  clean: function () {
+    this.importsCollection.unbind(null, null, this);
+  }
+});