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96 lines
2.0 KiB
96 lines
2.0 KiB
'use strict'
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var downloader = require('./downloader');
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var IO = require('./io');
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var xml2js = require ('xml2js');
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// var dir = 'data/stations/';
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module.exports = {
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dirs: {
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xml: 'data/stations/xml/',
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json: 'data/stations/json/'
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},
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/**
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* Add station IDs here, A-Z 0-9
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*/
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ids: [
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// 'ANVC1',
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// 'BDXC1',
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// 'CECC1',
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// 'CPXC1',
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// 'HBYC1',
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// 'ICAC1',
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// 'NTBC1',
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// 'PRYC1',
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// 'PTGC1',
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'46011',
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'46012',
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'46013',
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'46014',
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'46022',
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'46025',
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'46027',
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'46028',
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'46042',
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'46053',
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'46054',
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'46092',
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'46213',
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'46214',
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'46215',
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'46216',
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'46217',
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'46221',
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'46223',
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'46225',
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'46232',
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'46234',
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'46237',
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'46239',
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'46240',
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'46242',
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'46244',
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'46253',
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'46254',
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'46256',
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'46257'
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],
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/**
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* Downloads each station's data XML.
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*/
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getMetadata: function(station) {
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var url = 'http://www.ndbc.noaa.gov/get_observation_as_xml.php?station=' + station;
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return downloader.download(url, module.exports.dirs.xml + station + '.xml');
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},
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/**
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*
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*/
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parse: function(xml) {
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return new Promise(function(resolve) {
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xml2js.parseString(xml, function(err, json) {
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var str = null;
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// Do not stringify if null.
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if (json) {
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str = JSON.stringify(json.observation.$)
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}
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resolve(str);
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});
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});
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},
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/**
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*
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*/
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parseStation: function(station) {
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return IO.read(module.exports.dirs.xml + station + '.xml')
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.then(module.exports.parse)
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.then(function(str) {
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IO.write(module.exports.dirs.json + station + '.json', str)
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})
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},
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};
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