Created
March 8, 2014 22:11
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| /* | |
| Yahoo Finance stock historical data, prices and details retrieval function written in Javascript, jQuery and YQL | |
| v2013-08-05 | |
| (c) 2013 by Fincluster ltd - http://fincluster.com <dev@fincluster.com> | |
| */ | |
| (function($) { | |
| function getStock(opts, type, complete) { | |
| var defs = { | |
| desc: false, | |
| baseURL: 'http://query.yahooapis.com/v1/public/yql?q=', | |
| query: { | |
| quotes: 'select * from yahoo.finance.quotes where symbol = "{stock}" | sort(field="{sortBy}", descending="{desc}")', | |
| historicaldata: 'select * from yahoo.finance.historicaldata where symbol = "{stock}" and startDate = "{startDate}" and endDate = "{endDate}"' | |
| }, | |
| suffixURL: { | |
| quotes: '&env=store://datatables.org/alltableswithkeys&format=json&callback=?', | |
| historicaldata: '&env=store://datatables.org/alltableswithkeys&format=json&callback=?' | |
| } | |
| }; | |
| opts = opts || {}; | |
| if (!opts.stock) { | |
| complete('No stock defined'); | |
| return; | |
| } | |
| var query = defs.query[type] | |
| .replace('{stock}', opts.stock) | |
| .replace('{sortBy}', defs.sortBy) | |
| .replace('{desc}', defs.desc) | |
| .replace('{startDate}', opts.startDate) | |
| .replace('{endDate}', opts.endDate) | |
| var url = defs.baseURL + query + (defs.suffixURL[type] || ''); | |
| $.getJSON(url, function(data) { | |
| var err = null; | |
| if (!data || !data.query) { | |
| err = true; | |
| } | |
| complete(err, !err && data.query.results); }); | |
| } | |
| window.getStock = getStock; | |
| })(jQuery); | |
| /* Usage Examples | |
| getStock({ stock: 'AAPL' }, 'quotes', function(err, data) { | |
| console.log(data); | |
| }); | |
| getStock({ stock: 'AAPL', startDate: '2013-01-01', endDate: '2013-01-05' }, 'historicaldata', function(err, data) { | |
| console.log(data); | |
| }); | |
| */ |
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