(C) Refinitiv World-Check One - Get Top Level Groups

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Sends a signed GET request to get the top level groups.

Note: This example requires Chilkat v9.5.0.89 or later.

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#include <C_CkJsonObject.h>
#include <C_CkHttp.h>
#include <C_CkJsonArray.h>

void ChilkatSample(void)
    {
    HCkJsonObject json;
    BOOL success;
    HCkHttp http;
    const char *responseJson;
    HCkJsonArray jarr;
    HCkJsonObject jsonObj;
    const char *id;
    const char *name;
    const char *parentId;
    BOOL hasChildren;
    const char *status;
    int j;
    int count_j;
    int i;
    int count_i;

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

    json = CkJsonObject_Create();

    // Create the following JSON:
    // 
    // {
    //   "keyId": "aaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
    //   "hmacKey": "xxxxzI3vi58xxxCBxxx1+P/d8tGxx7KuLqN/KMPNxxxxekhj8/bx83+1YQSUxxxxYyv939ceY06GvhYRKmxxxx==",
    //   "algorithm": "hmac-sha256",
    //   "headers": [
    //     "(request-target)",
    //     "host",
    //     "date"
    //   ]
    // }

    // Substitute your actual API key and API secret in place of "api-key" and "api-secret"
    CkJsonObject_UpdateString(json,"keyId","api-key");
    CkJsonObject_UpdateString(json,"hmacKey","api-secret");
    CkJsonObject_UpdateString(json,"algorithm","hmac-sha256");
    // Indicate the names of the headers to be included in the signature.
    // "(request-target)" is not actually a header name, but is a special name for HTTP signatures.
    // Copy the following three lines of code exactly as-is.  
    // Do not replace "host", "date", or "(request-target)" with values.
    CkJsonObject_UpdateString(json,"headers[0]","(request-target)");
    CkJsonObject_UpdateString(json,"headers[1]","host");
    CkJsonObject_UpdateString(json,"headers[2]","date");

    http = CkHttp_Create();

    // Setting the AuthSignature property causes the following header to be computed and added:
    // Authorization: Signature keyId="...", algorithm="hmac-sha256", headers="(request-target) host date", signature="..."
    CkHttp_putAuthSignature(http,CkJsonObject_emit(json));

    CkHttp_SetRequestHeader(http,"Cache-Control","no-cache");

    // Chilkat will auto-add the Date header because it's needed by the HTTP Signature.

    responseJson = CkHttp_quickGetStr(http,"https://api-worldcheck.refinitiv.com/v2/groups");
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    printf("%s\n",responseJson);
    printf("----\n");
    // A 200 status code indicates success.
    printf("Status code = %d\n",CkHttp_getLastStatus(http));

    // Successful JSON looks like this:
    // [ 
    //   {
    //   "id": "...",
    //   "name": "Company Name",
    //   "parentId": null,
    //   "hasChildren": false,
    //   "status": "ACTIVE",
    //   "children": []
    //   }
    // ]

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    jarr = CkJsonArray_Create();

    success = CkJsonArray_Load(jarr,responseJson);

    i = 0;
    count_i = CkJsonArray_getSize(jarr);
    while (i < count_i) {
        jsonObj = CkJsonArray_ObjectAt(jarr,i);
        id = CkJsonObject_stringOf(jsonObj,"id");
        name = CkJsonObject_stringOf(jsonObj,"name");
        parentId = CkJsonObject_stringOf(jsonObj,"parentId");
        hasChildren = CkJsonObject_BoolOf(jsonObj,"hasChildren");
        status = CkJsonObject_stringOf(jsonObj,"status");
        j = 0;
        count_j = CkJsonObject_SizeOfArray(jsonObj,"children");
        while (j < count_j) {
            CkJsonObject_putJ(jsonObj,j);
            j = j + 1;
        }

        CkJsonObject_Dispose(jsonObj);
        i = i + 1;
    }



    CkJsonObject_Dispose(json);
    CkHttp_Dispose(http);
    CkJsonArray_Dispose(jarr);

    }