(C) OneDrive -- List Drives

Example to retrieve the list of Drive resources available for a target User or Group.

Note: This example requires Chilkat v9.5.0.68 or greater.

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

void ChilkatSample(void)
    {
    HCkHttp http;
    const char *resp;
    HCkJsonObject json;
    int i;
    int numDrives;

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

    http = CkHttp_Create();

    // Use your previously obtained access token here:
    // See the following examples for getting an access token:
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //    Refresh Access Token (Azure AD v2.0 Endpoint).
    //    Refresh Access Token (Azure AD Endpoint).

    // (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
    CkHttp_putAuthToken(http,"MICROSOFT_GRAPH_ACCESS_TOKEN");

    // Sends the following GET request:
    // GET https://graph.microsoft.com/v1.0/me/drives

    resp = CkHttp_quickGetStr(http,"https://graph.microsoft.com/v1.0/me/drives");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        return;
    }

    // The response should be JSON.
    json = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_Load(json,resp);

    // A successful response should return a status code of 200.
    if (CkHttp_getLastStatus(http) != 200) {
        printf("%s\n",CkJsonObject_emit(json));
        printf("Response status = %d\n",CkHttp_getLastStatus(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(json);
        return;
    }

    printf("%s\n",CkJsonObject_emit(json));

    // Sample output:

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#drives",
    // 	  "value": [
    // 	    {
    // 	      "id": "3a33fceb9b74cc15",
    // 	      "driveType": "personal",
    // 	      "owner": {
    // 	        "user": {
    // 	          "displayName": "Matt Smith",
    // 	          "id": "3a33fceb9b74cc15"
    // 	        }
    // 	      },
    // 	      "quota": {
    // 	        "deleted": 0,
    // 	        "remaining": 1114571275977,
    // 	        "state": "normal",
    // 	        "total": 1115617755136,
    // 	        "used": 1046479159
    // 	      }
    // 	    }
    // 	  ]
    // 	}

    // Iterate over the drives in the JSON response:
    i = 0;
    numDrives = CkJsonObject_SizeOfArray(json,"value");
    while (i < numDrives) {
        CkJsonObject_putI(json,i);
        printf("-- Drive %d\n",i + 1);
        printf("id: %s\n",CkJsonObject_stringOf(json,"value[i].id"));
        // The size will be a number larger than what can fit in a 32-bit integer.
        // Get the integer as a string..
        printf("total: %s\n",CkJsonObject_stringOf(json,"value[i].quota.total"));
        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }