75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
|
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 REQUIRED_OPTS = [
|
||
|
|
'configModel',
|
||
|
|
'nodeDefModel'
|
||
|
|
];
|
||
|
|
|
||
|
|
var OBS_META_QUERY = 'SELECT OBS_GetMeta((SELECT ST_SetSRID(ST_Extent(the_geom), 4326) FROM ({{{ query }}}) q), {{{ metadata }}})';
|
||
|
|
|
||
|
|
var ColumnName = function (options) {
|
||
|
|
checkAndBuildOpts(options, REQUIRED_OPTS, this);
|
||
|
|
this._querySchemaModel = this._nodeDefModel.querySchemaModel;
|
||
|
|
this.isFetching = false;
|
||
|
|
|
||
|
|
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')
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
ColumnName.prototype = {
|
||
|
|
buildQuery: function () {
|
||
|
|
return OBS_META_QUERY;
|
||
|
|
},
|
||
|
|
|
||
|
|
buildQueryOptions: function (options) {
|
||
|
|
return {
|
||
|
|
metadata: "'[" + JSON.stringify(options) + "]'",
|
||
|
|
query: this._querySchemaModel.get('query')
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
fetch: function (options) {
|
||
|
|
if (!options.numer_id) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
this._success = options && options.success;
|
||
|
|
this._error = options && options.error;
|
||
|
|
|
||
|
|
var deferred = $.Deferred();
|
||
|
|
|
||
|
|
var queryOptions = this.buildQueryOptions(_.omit(options, 'sucess', 'error'));
|
||
|
|
var sqlQuery = this.buildQuery();
|
||
|
|
|
||
|
|
if (!this.isFetching) {
|
||
|
|
this.isFetching = true;
|
||
|
|
this.SQL.execute(sqlQuery, queryOptions, {
|
||
|
|
success: function (data) {
|
||
|
|
this.isFetching = false;
|
||
|
|
this._success && this._success(data);
|
||
|
|
deferred.resolve();
|
||
|
|
}.bind(this),
|
||
|
|
error: function (err) {
|
||
|
|
this.isFetching = false;
|
||
|
|
this._error && this._error(errorParse(err));
|
||
|
|
deferred.reject();
|
||
|
|
}.bind(this)
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
deferred.reject();
|
||
|
|
}
|
||
|
|
|
||
|
|
return deferred.promise();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
module.exports = ColumnName;
|