Initial commit

lib/assets/javascripts/builder/data/visualizations-collection.js

@@ -0,0 +1,78 @@
+var _ = require('underscore');
+var Backbone = require('backbone');
+var VisualizationTableModel = require('./visualization-table-model');
+var VisualizationModel = require('./vis-definition-model');
+
+/**
+ * A collection that holds visualization models
+ */
+module.exports = Backbone.Collection.extend({
+
+  DEFAULT_FETCH_OPTIONS: {
+    type: 'table',
+    order: 'updated_at',
+    page: 1,
+    per_page: 20,
+    exclude_shared: false,
+    exclude_raster: true,
+    tags: '',
+    q: ''
+  },
+
+  model: function (d, opts) {
+    var configModel = opts.collection._configModel;
+    var Klass;
+
+    if (d.type !== 'derived') {
+      Klass = VisualizationTableModel;
+    } else {
+      Klass = VisualizationModel;
+    }
+
+    return new Klass(d, {
+      configModel: configModel
+    });
+  },
+
+  initialize: function (models, opts) {
+    if (!opts.configModel) throw new Error('configModel is required');
+    this._configModel = opts.configModel;
+
+    // this.DEFAULT_FETCH_OPTIONS = _.extendOwn(this.DEFAULT_FETCH_OPTIONS, opts);
+    this._stats = {};
+  },
+
+  url: function () {
+    var version = this._configModel.urlVersion('visualization');
+    var baseUrl = this._configModel.get('base_url');
+    return baseUrl + '/api/' + version + '/viz';
+  },
+
+  // Overrides the default fetch, to use the internal methods to construct parmas
+  fetch: function (opts) {
+    this.trigger('loading', this);
+    opts = opts || {
+      data: {
+        // If reaches this code path it's because there were no opts given, i.e. should do a 'full fetch'
+        // Since there is no current way to really do a full fetch let's just set a really high number to get all…
+        // TODO this is obviously bad for organization users, how can we do this differently
+        per_page: 1000
+      }
+    };
+    opts.data = _.extend({}, this.DEFAULT_FETCH_OPTIONS, opts.data);
+    return Backbone.Collection.prototype.fetch.call(this, opts);
+  },
+
+  getDefaultParam: function (param) {
+    return this.DEFAULT_FETCH_OPTIONS[param];
+  },
+
+  getTotalStat: function (attribute) {
+    return this._stats[attribute] || 0;
+  },
+
+  parse: function (res) {
+    this._stats = _.omit(res, 'visualizations');
+    return res.visualizations;
+  }
+});