(C) Retrieve the metadata for a DriveItem

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Fetches the JSON metadata for a DriveItem.

For more information, see https://docs.microsoft.com/en-us/onedrive/developer/rest-api/api/driveitem_get?view=odsp-graph-online

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

void ChilkatSample(void)
    {
    HCkJsonObject json;
    HCkHttp http;
    const char *metaData;
    BOOL success;
    const char *odata_context;
    const char *microsoft_graph_downloadUrl;
    const char *createdDateTime;
    const char *cTag;
    const char *eTag;
    const char *id;
    const char *lastModifiedDateTime;
    const char *name;
    int size;
    const char *webUrl;
    int ratingRating;
    int ratingSimpleRating;
    const char *createdByUserDisplayName;
    const char *createdByUserId;
    const char *lastModifiedByUserDisplayName;
    const char *lastModifiedByUserId;
    const char *parentReferenceDriveId;
    const char *parentReferenceDriveType;
    const char *parentReferenceId;
    const char *parentReferenceName;
    const char *parentReferencePath;
    const char *fileMimeType;
    const char *fileHashesSha1Hash;
    const char *fileSystemInfoCreatedDateTime;
    const char *fileSystemInfoLastModifiedDateTime;
    int imageHeight;
    int imageWidth;
    const char *photoTakenDateTime;
    const char *sharedScope;
    const char *sharedOwnerUserDisplayName;
    const char *sharedOwnerUserId;

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

    // Use your client ID, client secret, and tenant ID in the following lines
    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"client_id","2871da2c-8176-4b7f-869b-2311aa82e743");
    CkJsonObject_UpdateString(json,"client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
    CkJsonObject_UpdateString(json,"scope","https://graph.microsoft.com/.default");
    CkJsonObject_UpdateString(json,"token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkJsonObject_emit(json));

    // Sends the following GET request:
    // GET https://graph.microsoft.com/v1.0/users/{user-id}/drive/root:/{item-path}

    // Make sure to automatically follow redirects
    CkHttp_putFollowRedirects(http,TRUE);

    // This example will get the metadata for /Misc/wildlife/penguins.jpg
    CkHttp_SetUrlVar(http,"item_path","Misc//penguins.jpg");
    CkHttp_SetUrlVar(http,"user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104");

    metaData = CkHttp_quickGetStr(http,"https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    CkJsonObject_putEmitCompact(json,FALSE);
    success = CkJsonObject_Load(json,metaData);
    printf("%s\n",CkJsonObject_emit(json));

    // Sample JSON metadata result:

    // {
    //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/drive/root/$entity",
    //   "@microsoft.graph.downloadUrl": "https://public.dm.files.1drv.com/y4mh0z_Og97O7Q...o2q1HhNBU",
    //   "createdDateTime": "2017-06-04T20:40:22.48Z",
    //   "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NzIuMjU3",
    //   "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcyLjY",
    //   "id": "3A33FCEB9B74CC15!4872",
    //   "lastModifiedDateTime": "2018-10-20T18:22:29.977Z",
    //   "name": "penguins.jpg",
    //   "size": 777835,
    //   "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pgg",
    //   "rating": {
    //     "rating": 75,
    //     "simpleRating": 4
    //   },
    //   "createdBy": {
    //     "user": {
    //       "displayName": "Joe Programmer",
    //       "id": "3a33fceb9b74cc15"
    //     }
    //   },
    //   "lastModifiedBy": {
    //     "user": {
    //       "displayName": "Joe Programmer",
    //       "id": "3a33fceb9b74cc15"
    //     }
    //   },
    //   "parentReference": {
    //     "driveId": "3a33fceb9b74cc15",
    //     "driveType": "personal",
    //     "id": "3A33FCEB9B74CC15!4871",
    //     "name": "wildlife",
    //     "path": "/drive/root:/Misc/wildlife"
    //   },
    //   "file": {
    //     "mimeType": "image/jpeg",
    //     "hashes": {
    //       "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0"
    //     }
    //   },
    //   "fileSystemInfo": {
    //     "createdDateTime": "2017-06-04T20:40:22.48Z",
    //     "lastModifiedDateTime": "2009-07-14T05:32:31.674Z"
    //   },
    //   "image": {
    //     "height": 768,
    //     "width": 1024
    //   },
    //   "photo": {
    //     "takenDateTime": "2008-02-18T05:07:31Z"
    //   },
    //   "shared": {
    //     "scope": "users",
    //     "owner": {
    //       "user": {
    //         "displayName": "Joe Programmer",
    //         "id": "3a33fceb9b74cc15"
    //       }
    //     }
    //   }
    // }
    // 

    // If the response status code was not 200, then it failed.
    if (CkHttp_getLastStatus(http) != 200) {
        printf("Response Status Code = %d\n",CkHttp_getLastStatus(http));
        printf("Failed.\n");
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    // Demonstrate how to parse the JSON...

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    odata_context = CkJsonObject_stringOf(json,"\"@odata.context\"");
    microsoft_graph_downloadUrl = CkJsonObject_stringOf(json,"\"@microsoft.graph.downloadUrl\"");
    createdDateTime = CkJsonObject_stringOf(json,"createdDateTime");
    cTag = CkJsonObject_stringOf(json,"cTag");
    eTag = CkJsonObject_stringOf(json,"eTag");
    id = CkJsonObject_stringOf(json,"id");
    lastModifiedDateTime = CkJsonObject_stringOf(json,"lastModifiedDateTime");
    name = CkJsonObject_stringOf(json,"name");
    size = CkJsonObject_IntOf(json,"size");
    webUrl = CkJsonObject_stringOf(json,"webUrl");
    ratingRating = CkJsonObject_IntOf(json,"rating.rating");
    ratingSimpleRating = CkJsonObject_IntOf(json,"rating.simpleRating");
    createdByUserDisplayName = CkJsonObject_stringOf(json,"createdBy.user.displayName");
    createdByUserId = CkJsonObject_stringOf(json,"createdBy.user.id");
    lastModifiedByUserDisplayName = CkJsonObject_stringOf(json,"lastModifiedBy.user.displayName");
    lastModifiedByUserId = CkJsonObject_stringOf(json,"lastModifiedBy.user.id");
    parentReferenceDriveId = CkJsonObject_stringOf(json,"parentReference.driveId");
    parentReferenceDriveType = CkJsonObject_stringOf(json,"parentReference.driveType");
    parentReferenceId = CkJsonObject_stringOf(json,"parentReference.id");
    parentReferenceName = CkJsonObject_stringOf(json,"parentReference.name");
    parentReferencePath = CkJsonObject_stringOf(json,"parentReference.path");
    fileMimeType = CkJsonObject_stringOf(json,"file.mimeType");
    fileHashesSha1Hash = CkJsonObject_stringOf(json,"file.hashes.sha1Hash");
    fileSystemInfoCreatedDateTime = CkJsonObject_stringOf(json,"fileSystemInfo.createdDateTime");
    fileSystemInfoLastModifiedDateTime = CkJsonObject_stringOf(json,"fileSystemInfo.lastModifiedDateTime");
    imageHeight = CkJsonObject_IntOf(json,"image.height");
    imageWidth = CkJsonObject_IntOf(json,"image.width");
    photoTakenDateTime = CkJsonObject_stringOf(json,"photo.takenDateTime");
    sharedScope = CkJsonObject_stringOf(json,"shared.scope");
    sharedOwnerUserDisplayName = CkJsonObject_stringOf(json,"shared.owner.user.displayName");
    sharedOwnerUserId = CkJsonObject_stringOf(json,"shared.owner.user.id");


    CkJsonObject_Dispose(json);
    CkHttp_Dispose(http);

    }