Initial commit

lib/assets/javascripts/builder/data/query-row-model.js

@@ -0,0 +1,111 @@
+var Backbone = require('backbone');
+var _ = require('underscore');
+
+module.exports = Backbone.Model.extend({
+
+  // In case that there is already an id attribute
+  idAttribute: '__id',
+
+  url: function () {
+    if (this._tableName && this._configModel) {
+      var baseUrl = this._configModel.get('base_url');
+      var version = this._configModel.urlVersion('record');
+      var url = baseUrl + '/api/' + version + '/tables/';
+
+      if (this.hasWriteAccess(this._userModel) && !this.isOwner(this._userModel)) {
+        var owner = this._permissionModel.getOwner();
+        var ownerUsername = owner.get('username');
+
+        url += ownerUsername + '.' + this._tableName + '/records';
+      } else {
+        url += this._tableName + '/records';
+      }
+
+      if (!this.isNew()) {
+        url += '/' + this.get('cartodb_id');
+      }
+
+      return url;
+    }
+
+    return false;
+  },
+
+  initialize: function (attrs, opts) {
+    this.collection = this.collection || {};
+
+    this._tableName = opts.tableName || this.collection._tableName;
+    this._configModel = opts.configModel || this.collection._configModel;
+    this._permissionModel = opts.permissionModel || this.collection._permissionModel;
+    this._userModel = opts.userModel || this.collection._userModel;
+
+    this._initBinds();
+  },
+
+  _initBinds: function () {
+    this.bind('error', this._onError, this);
+  },
+
+  hasWriteAccess: function (userModel) {
+    if (!userModel || !this._permissionModel) {
+      return false;
+    }
+    return this._permissionModel.hasWriteAccess(userModel);
+  },
+
+  isOwner: function (userModel) {
+    if (!userModel || !this._permissionModel) {
+      return false;
+    }
+    return this._permissionModel.isOwner(userModel);
+  },
+
+  isNew: function () {
+    return !this.has('cartodb_id');
+  },
+
+  isGeomLoaded: function () {
+    try {
+      JSON.parse(this.get('the_geom'));
+      return true;
+    } catch (e) {
+      return false;
+    }
+  },
+
+  fetchRowIfGeomIsNotLoaded: function (callback) {
+    if (this.isGeomLoaded()) {
+      callback();
+      return;
+    }
+
+    this.fetch({
+      success: callback
+    });
+  },
+
+  _onError: function () {
+    this.set(this.previousAttributes());
+  },
+
+  sync: function () {
+    this.trigger('loading', this);
+    Backbone.Model.prototype.sync.apply(this, arguments);
+  },
+
+  parse: function (attrs) {
+    if (!attrs.__id) {
+      attrs.__id = _.uniqueId();
+    }
+    return attrs;
+  },
+
+  toJSON: function () {
+    return _.omit(
+      this.attributes,
+      '__id',
+      'the_geom_webmercator'
+    );
+  }
+
+});