Initial commit

2020-06-15 10:58:47 +08:00
commit 4f1dfe7564
8590 changed files with 1516878 additions and 0 deletions
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+var Backbone = require('backbone');
+var _ = require('underscore');
+var $ = require('jquery');
+var cdb = require('internal-carto.js');
+var errorParse = require('builder/helpers/error-parser');
+var checkAndBuildOpts = require('builder/helpers/required-opts');
+var CustomListCollection = require('builder/components/custom-list/custom-list-collection');
+
+var REQUIRED_OPTS = [
+  'configModel',
+  'nodeDefModel'
+];
+
+module.exports = CustomListCollection.extend({
+  initialize: function (models, options) {
+    checkAndBuildOpts(options, REQUIRED_OPTS, this);
+    this._querySchemaModel = this._nodeDefModel.querySchemaModel;
+
+    var configModel = options.configModel;
+    this.SQL = new cdb.SQL({
+      user: configModel.get('user_name'),
+      sql_api_template: configModel.get('sql_api_template'),
+      api_key: configModel.get('api_key')
+    });
+
+    this.stateModel = new Backbone.Model({
+      state: 'unfetched'
+    });
+
+    CustomListCollection.prototype.initialize.call(this, models, options);
+  },
+
+  _onSelectedChange: function (changedModel, isSelected) {
+    if (this.type === 'multiple') {
+      return;
+    }
+
+    if (isSelected) {
+      this.each(function (m) {
+        if (m.cid !== changedModel.cid) {
+          m.set({ selected: false }, { silent: true });
+        }
+      }, this);
+    }
+  },
+
+  buildQuery: function () {
+    throw new Error('subclasses of DataObservatoryBaseCollection must implement buildQuery');
+  },
+
+  fetch: function (options) {
+    this._success = options && options.success;
+    this._error = options && options.error;
+
+    var defaults = {
+      filters: null,
+      measurement: null,
+      normalize: null,
+      timespan: null,
+      query: this._querySchemaModel.get('query')
+    };
+
+    this.deferred = $.Deferred();
+    var queryOptions = _.defaults(options, defaults);
+    var sqlQuery = this.buildQuery(queryOptions);
+
+    this.stateModel.set('state', 'fetching');
+    this.SQL.execute(sqlQuery, queryOptions, {
+      success: function (data) {
+        this._onFetchSuccess(data);
+        this.stateModel.set('state', 'fetched');
+        this.deferred.resolve();
+        this._success && this._success();
+      }.bind(this),
+      error: function (err) {
+        this.stateModel.set('state', 'error');
+        this.deferred.reject();
+        this._error && this._error(errorParse(err));
+      }.bind(this)
+    });
+
+    return this.deferred.promise();
+  },
+
+  _onFetchSuccess: function (data) {
+    var models = data.rows;
+    this.reset(models);
+  },
+
+  isFetching: function () {
+    return this.getState() === 'fetching';
+  },
+
+  getState: function () {
+    return this.stateModel.get('state');
+  },
+
+  getItem: function (value) {
+    return this.findWhere({ val: value });
+  },
+
+  isAsync: function () {
+    return true;
+  }
+});