(C) batchGet (Read Multiple Ranges)

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

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#include <C_CkJsonObject.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkJsonObject jsonToken;
    BOOL success;
    HCkHttpRequest req;
    HCkHttp http;
    HCkHttpResponse resp;
    HCkJsonObject json;
    int i;
    int count_i;
    int j;
    int count_j;
    int k;
    int count_k;
    const char *spreadsheetId;
    const char *range;
    const char *majorDimension;
    const char *strVal;

    //  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..
    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/googleSheets.json");
    if (CkJsonObject_HasMember(jsonToken,"access_token") == FALSE) {
        printf("No access token found.\n");
        CkJsonObject_Dispose(jsonToken);
        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"
    req = CkHttpRequest_Create();
    CkHttpRequest_putPath(req,"/v4/spreadsheets/spreadsheetId/values:batchGet");
    CkHttpRequest_putHttpVerb(req,"GET");
    //  Add each range to fetch.
    CkHttpRequest_AddParam(req,"ranges","Sheet1!A1:A2");
    CkHttpRequest_AddParam(req,"ranges","Sheet1!B1:B2");

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    //  443 is the SSL/TLS port for HTTPS.
    resp = CkHttp_SynchronousRequest(http,"sheets.googleapis.com",443,TRUE,req);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(jsonToken);
        CkHttpRequest_Dispose(req);
        CkHttp_Dispose(http);
        return;
    }

    printf("%s\n",CkHttpResponse_bodyStr(resp));

    json = CkJsonObject_Create();
    CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));

    CkHttpResponse_Dispose(resp);

    //  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"
    //          ]
    //        ]
    //      }
    //    ]
    //  }

    spreadsheetId = CkJsonObject_stringOf(json,"spreadsheetId");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(json,"valueRanges");
    while (i < count_i) {
        CkJsonObject_putI(json,i);
        range = CkJsonObject_stringOf(json,"valueRanges[i].range");
        majorDimension = CkJsonObject_stringOf(json,"valueRanges[i].majorDimension");
        j = 0;
        count_j = CkJsonObject_SizeOfArray(json,"valueRanges[i].values");
        while (j < count_j) {
            CkJsonObject_putJ(json,j);
            k = 0;
            count_k = CkJsonObject_SizeOfArray(json,"valueRanges[i].values[j]");
            while (k < count_k) {
                CkJsonObject_putK(json,k);
                strVal = CkJsonObject_stringOf(json,"valueRanges[i].values[j][k]");
                k = k + 1;
            }

            j = j + 1;
        }

        i = i + 1;
    }



    CkJsonObject_Dispose(jsonToken);
    CkHttpRequest_Dispose(req);
    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }