I am new to golang and trying this for the first time. I have to call yahoo finance api(YQL) to get the stock price of the symbol in json format. Here is the api:
http://query.yahooapis.com/v1/public/yql?q=select%20LastTradePriceOnly%20from%20yahoo.finance.quote%20where%20symbol%20in%20(%22AAPL%22,%22FB%22,%22GOOG%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys
For now i have hard coded the symbol(AAPL,FB, GOOG) in the above select query but these symbols will be coming from the user, it should be dynamic. How should i add the input(symbol) to the above query in golang?
Thanks for the help in advance.
If you have the symbols (provided by the users) as a string array parameter (like: "symbols", being string["\"AAPL\"", "\"FB\"", "\"GOOG\""]), you can use strings/#Join to produce the right string:
s := strings.Joins(symbols, ",")
Then (as detailed in "Encode / decode URLs"), use net/url/#QueryEscape to get the final url string for symbols:
url := "http://query.yahooapis.com/v1/public/yql?q=select%20LastTradePriceOnly%20from%20yahoo.finance.quote%20where%20symbol%20in%20(" +
url.QueryEscape(s) +
")&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys"