106 lines
2.7 KiB
JavaScript
106 lines
2.7 KiB
JavaScript
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var Backbone = require('backbone');
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var _ = require('underscore');
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var $ = require('jquery');
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var cdb = require('internal-carto.js');
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var errorParse = require('builder/helpers/error-parser');
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var checkAndBuildOpts = require('builder/helpers/required-opts');
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var CustomListCollection = require('builder/components/custom-list/custom-list-collection');
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var REQUIRED_OPTS = [
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'configModel',
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'nodeDefModel'
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];
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module.exports = CustomListCollection.extend({
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initialize: function (models, options) {
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checkAndBuildOpts(options, REQUIRED_OPTS, this);
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this._querySchemaModel = this._nodeDefModel.querySchemaModel;
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var configModel = options.configModel;
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this.SQL = new cdb.SQL({
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user: configModel.get('user_name'),
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sql_api_template: configModel.get('sql_api_template'),
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api_key: configModel.get('api_key')
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});
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this.stateModel = new Backbone.Model({
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state: 'unfetched'
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});
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CustomListCollection.prototype.initialize.call(this, models, options);
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},
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_onSelectedChange: function (changedModel, isSelected) {
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if (this.type === 'multiple') {
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return;
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}
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if (isSelected) {
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this.each(function (m) {
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if (m.cid !== changedModel.cid) {
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m.set({ selected: false }, { silent: true });
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}
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}, this);
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}
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},
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buildQuery: function () {
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throw new Error('subclasses of DataObservatoryBaseCollection must implement buildQuery');
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},
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fetch: function (options) {
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this._success = options && options.success;
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this._error = options && options.error;
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var defaults = {
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filters: null,
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measurement: null,
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normalize: null,
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timespan: null,
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query: this._querySchemaModel.get('query')
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};
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this.deferred = $.Deferred();
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var queryOptions = _.defaults(options, defaults);
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var sqlQuery = this.buildQuery(queryOptions);
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this.stateModel.set('state', 'fetching');
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this.SQL.execute(sqlQuery, queryOptions, {
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success: function (data) {
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this._onFetchSuccess(data);
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this.stateModel.set('state', 'fetched');
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this.deferred.resolve();
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this._success && this._success();
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}.bind(this),
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error: function (err) {
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this.stateModel.set('state', 'error');
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this.deferred.reject();
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this._error && this._error(errorParse(err));
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}.bind(this)
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});
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return this.deferred.promise();
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},
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_onFetchSuccess: function (data) {
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var models = data.rows;
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this.reset(models);
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},
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isFetching: function () {
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return this.getState() === 'fetching';
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},
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getState: function () {
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return this.stateModel.get('state');
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},
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getItem: function (value) {
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return this.findWhere({ val: value });
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},
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isAsync: function () {
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return true;
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}
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});
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