Unicode C++

Finnhub API - Get Stock Quote

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Demonstrates how to get a stock quote from the Finnhub API. Unicode C++

#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // Replace with your actual Finnhub API key.
    const wchar_t *apiKey = L"YOUR_FINNHUB_API_KEY";
    const wchar_t *symbol = L"AAPL";

    CkHttpW http;

    // This is the URL without params.
    const wchar_t *urlWithoutParams = L"https://finnhub.io/api/v1/quote";

    CkHttpRequestW req;

    // Add params that will be sent in the URL.
    req.AddParam(L"symbol",symbol);
    req.AddParam(L"token",apiKey);

    req.put_HttpVerb(L"GET");

    // Send the request to get the JSON response.
    CkHttpResponseW resp;
    success = http.HttpReq(urlWithoutParams,req,resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkJsonObjectW json;
    resp.GetBodyJson(json);

    int statusCode = resp.get_StatusCode();
    wprintf(L"response status code: %d\n",statusCode);

    json.put_EmitCompact(false);
    wprintf(L"%s\n",json.emit());

    // Sample result:

    // {
    //   "c": 248.8,
    //   "d": -4.09,
    //   "dp": -1.6173,
    //   "h": 255.493,
    //   "l": 248.07,
    //   "o": 253.9,
    //   "pc": 252.89,
    //   "t": 1774641600
    // }

    if (statusCode == 200) {
        // Add the symbol to the top of the result.
        json.AddStringAt(0,L"symbol",symbol);

        // Rename members for clarification.
        json.Rename(L"c",L"currentPrice");
        json.Rename(L"d",L"change");
        json.Rename(L"dp",L"percentChange");
        json.Rename(L"h",L"high");
        json.Rename(L"l",L"low");
        json.Rename(L"o",L"open");
        json.Rename(L"pc",L"prevClose");
        json.Rename(L"t",L"unixTime");

        wprintf(L"%s\n",json.emit());

    }
    else {
        wprintf(L"Failed\n");
    }
    }