C++

batchGet (Read Multiple Ranges)

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Reads multiple ranges from a Google Sheets spreadsheet in one GET request. C++

#include <CkJsonObject.h>
#include <CkHttpRequest.h>
#include <CkHttp.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    bool success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses a previously obtained access token having permission for the 
    // Google Sheets scope.

    // In this example, Get Google Sheets OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    CkJsonObject jsonToken;
    success = jsonToken.LoadFile("qa_data/tokens/googleSheets.json");
    if (jsonToken.HasMember("access_token") == false) {
        std::cout << "No access token found." << "\r\n";
        return;
    }

    // We'll be sending a GET request with query params to this URL:  https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values:batchGet?ranges=Sheet1!A1:A2&ranges=Sheet1!B1:B2
    // The domain is "sheets.googleapis.com"
    // The path is "/v4/spreadsheets/spreadsheetId/values:batchGet"
    CkHttpRequest req;
    req.put_Path("/v4/spreadsheets/spreadsheetId/values:batchGet");
    req.put_HttpVerb("GET");
    // Add each range to fetch.
    req.AddParam("ranges","Sheet1!A1:A2");
    req.AddParam("ranges","Sheet1!B1:B2");

    CkHttp http;
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // 443 is the SSL/TLS port for HTTPS.
    CkHttpResponse resp;
    success = http.HttpSReq("sheets.googleapis.com",443,true,req,resp);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << resp.bodyStr() << "\r\n";

    CkJsonObject json;
    json.Load(resp.bodyStr());

    // A sample response is shown below.
    // To generate the parsing source code for a JSON response, paste
    // the JSON into this online tool: Generate JSON parsing code

    // {
    //   "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
    //   "valueRanges": [
    //     {
    //       "range": "Sheet1!A1:A2",
    //       "majorDimension": "ROWS",
    //       "values": [
    //         [
    //           "Item"
    //         ],
    //         [
    //           "Wheel"
    //         ]
    //       ]
    //     },
    //     {
    //       "range": "Sheet1!B1:B2",
    //       "majorDimension": "ROWS",
    //       "values": [
    //         [
    //           "Cost"
    //         ],
    //         [
    //           "$20.50"
    //         ]
    //       ]
    //     }
    //   ]
    // }

    int i;
    int count_i;
    int j;
    int count_j;
    int k;
    int count_k;

    const char *spreadsheetId = json.stringOf("spreadsheetId");
    i = 0;
    count_i = json.SizeOfArray("valueRanges");
    while (i < count_i) {
        json.put_I(i);
        const char *range = json.stringOf("valueRanges[i].range");
        const char *majorDimension = json.stringOf("valueRanges[i].majorDimension");
        j = 0;
        count_j = json.SizeOfArray("valueRanges[i].values");
        while (j < count_j) {
            json.put_J(j);
            k = 0;
            count_k = json.SizeOfArray("valueRanges[i].values[j]");
            while (k < count_k) {
                json.put_K(k);
                const char *strVal = json.stringOf("valueRanges[i].values[j][k]");
                k = k + 1;
            }

            j = j + 1;
        }

        i = i + 1;
    }
    }