Initial commit

lib/assets/javascripts/dashboard/data/background-polling/geocodings-collection.js

@@ -0,0 +1,101 @@
+const _ = require('underscore');
+const Backbone = require('backbone');
+const GeocodingModel = require('./geocoding-model');
+const pollTimer = 60000;
+
+const checkAndBuildOpts = require('builder/helpers/required-opts');
+
+const REQUIRED_OPTS = [
+  'configModel',
+  'userModel'
+];
+
+/**
+ *  Geocodings collection
+ *
+ *  - Check ongoing geocodings in order to add them
+ *  to the collection.
+ *
+ */
+
+module.exports = Backbone.Collection.extend({
+  model: GeocodingModel,
+
+  url: function (method) {
+    const version = this._configModel.urlVersion('geocoding', method);
+    return `/api/${version}/geocodings`;
+  },
+
+  initialize: function (models, options) {
+    checkAndBuildOpts(options, REQUIRED_OPTS, this);
+  },
+
+  parse: function (response) {
+    _.each(response.geocodings, data => {
+      // Check if that geocoding exists...
+      const geocodings = this.filter(mdl => mdl.get('id') === data.id);
+
+      if (geocodings.length === 0) {
+        this._checkOngoingGeocoding(
+          new GeocodingModel(data, { startPollingAutomatically: false })
+        );
+      }
+    });
+
+    return this.models;
+  },
+
+  _checkOngoingGeocoding: function (model) {
+    if (!this._visModel) {
+      // If there is NOT a vis, let's start polling
+      // this geocoding model
+      this.add(model);
+      model.pollCheck();
+    } else {
+      // If there is a vis, let's check if that
+      // geocoding belongs to the visualization
+      this.vis.map.layers.each(layer => {
+        if (layer.table && layer.table.id === model.get('table_name')) {
+          this.add(model);
+          model.pollCheck();
+        }
+      });
+    }
+  },
+
+  // Public methods
+
+  canGeocode: function () {
+    return !this.any(function (model) {
+      return model.isOngoing();
+    });
+  },
+
+  fetchGeocodings: function () {
+    this.fetch({
+      error: e => this.destroyCheck()
+    });
+  },
+
+  pollCheck: function (i) {
+    if (this.pollTimer) return;
+
+    this.pollTimer = setInterval(() => {
+      this.fetchGeocodings();
+    }, pollTimer);
+
+    this.fetchGeocodings();
+  },
+
+  destroyCheck: function () {
+    clearInterval(this.pollTimer);
+    delete this.pollTimer;
+  },
+
+  failedItems: function () {
+    return this.filter(function (item) {
+      return item.hasFailed();
+    });
+  }
+
+});