Initial commit

lib/assets/javascripts/dashboard/data/user-tables-model.js

@@ -0,0 +1,118 @@
+const _ = require('underscore');
+const $ = require('jquery');
+const Backbone = require('backbone');
+const checkAndBuildOpts = require('builder/helpers/required-opts');
+
+const REQUIRED_OPTS = [
+  'userModel'
+];
+
+const PUBLIC_PRIVACIES = ['PUBLIC', 'LINK'];
+
+const DEFAULT_ATTRS = {
+  select: false,
+  update: false,
+  insert: false,
+  delete: false
+};
+
+const STATUS = {
+  fetching: 'fetching',
+  fetched: 'fetched',
+  errored: 'errored'
+};
+
+module.exports = Backbone.Model.extend({
+
+  initialize: function (attrs, options) {
+    checkAndBuildOpts(options, REQUIRED_OPTS, this);
+
+    this.stateModel = new Backbone.Model({
+      status: STATUS.fetching
+    });
+
+    this.paramsModel = new Backbone.Model({
+      tag_name: '',
+      q: '',
+      page: 1,
+      type: '',
+      exclude_shared: true,
+      tags: '',
+      shared: 'no',
+      only_liked: false,
+      order: 'updated_at',
+      types: 'table',
+      deepInsights: false
+    });
+
+    this._initBinds();
+  },
+
+  _initBinds: function () {
+    this.listenTo(this.paramsModel, 'change:q change:privacy', () => this.fetch());
+
+    this.on('sync', () => this.stateModel.set({ status: STATUS.fetched }));
+    this.on('error', () => this.stateModel.set({ status: STATUS.errored }));
+  },
+
+  url: function () {
+    return `${this._userModel.get('base_url')}/api/v1/viz?${this.generateParams()}`;
+  },
+
+  generateParams: function () {
+    return $.param(this.paramsModel.attributes);
+  },
+
+  fetch: function () {
+    this.stateModel.set({ status: STATUS.fetching });
+    return Backbone.Model.prototype.fetch.apply(this, arguments);
+  },
+
+  parse: function (response) {
+    this.attributes = {};
+
+    const tables = response.visualizations;
+
+    return tables.reduce((total, table) => ({
+      ...total,
+      [table.name]: {
+        permissions: {
+          ...DEFAULT_ATTRS,
+          select: this.paramsModel.get('privacy') ? _.contains(PUBLIC_PRIVACIES, table.privacy) : false
+        }
+      }
+    }), {});
+  },
+
+  setQuery: function (q) {
+    this.paramsModel.set({ q });
+  },
+
+  clearParams: function () {
+    this.paramsModel.set({ q: '' });
+    this.paramsModel.unset('privacy');
+  },
+
+  getStateModel: function () {
+    return this.stateModel;
+  },
+
+  isFetched: function () {
+    return this.stateModel.get('status') === STATUS.fetched;
+  },
+
+  hasQuery: function () {
+    return !!this.paramsModel.get('q');
+  },
+
+  isEmpty: function () {
+    return _.isEmpty(this.attributes);
+  },
+
+  fetchPublicDatasets: function () {
+    this.paramsModel.set({
+      privacy: ['public', 'link'],
+      per_page: 200 // TODO: how do we show everything?
+    });
+  }
+});