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 _ = require('underscore');
+var BaseModel = require('builder/components/custom-list/custom-list-item-model');
+var $ = require('jquery');
+var cdb = require('internal-carto.js');
+var checkAndBuildOpts = require('builder/helpers/required-opts');
+
+var REQUIRED_OPTS = [
+  'configModel',
+  'nodeDefModel'
+];
+
+var MEASUREMENT_ATTRIBUTES = ['aggregate', 'type', 'label', 'val', 'description', 'filter', 'license'];
+
+var MEASUREMENT_BY_ID = 'SELECT numer_id, numer_name, numer_description, numer_type, numer_aggregate, numer_tags FROM _OBS_GetNumerators((SELECT ST_SetSRID(ST_Extent(the_geom), 4326) FROM ({{{ query }}}) q), section_tags => {{{ area }}}, ids => {{{ measurement }}})';
+
+module.exports = BaseModel.extend({
+  initialize: function (attrs, 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')
+    });
+
+    BaseModel.prototype.initialize.call(this, attrs, options);
+  },
+
+  fetch: function (options) {
+    var defaults = {
+      area: null,
+      measurement: null,
+      query: this._querySchemaModel.get('query')
+    };
+
+    this.deferred = $.Deferred();
+    var queryOptions = _.defaults(options, defaults);
+
+    this.set('state', 'fetching');
+    this.SQL.execute(MEASUREMENT_BY_ID, queryOptions, {
+      success: function (data) {
+        this._onFetchSuccess(data);
+        this.set('state', 'fetched');
+        this.deferred.resolve();
+      }.bind(this),
+      error: function () {
+        this.set('state', 'error');
+        this.deferred.reject();
+      }.bind(this)
+    });
+
+    return this.deferred.promise();
+  },
+
+  isFetching: function () {
+    return this.getState() === 'fetching';
+  },
+
+  getState: function () {
+    return this.get('state');
+  },
+
+  _onFetchSuccess: function (data) {
+    var model = _.first(data.rows);
+
+    if (!model) {
+      this._clear();
+      return;
+    }
+
+    var o = {};
+    // label and val to custom list compatibility
+    o.val = model.numer_id;
+    o.label = model.numer_name;
+    o.description = model.numer_description;
+    o.type = model.numer_type;
+    o.aggregate = model.numer_aggregate;
+    // a measurement can belong to more than one category (filter)
+    o.filter = [];
+    var tags = model.numer_tags;
+    if (!_.isObject(tags)) {
+      tags = JSON.parse(tags);
+    }
+
+    for (var key in tags) {
+      if (/^subsection/.test(key)) {
+        o.filter.push({
+          id: key,
+          name: tags[key]
+        });
+      }
+
+      if (/^license/.test(key)) {
+        o.license = tags[key];
+      }
+    }
+
+    this.set(o);
+  },
+
+  _clear: function (options) {
+    var attrs = MEASUREMENT_ATTRIBUTES.reduce(function (memo, attr) {
+      memo[attr] = null;
+      return memo;
+    }, {});
+
+    this.set(attrs, {silent: true});
+  }
+});