Delphi DLL Requires Chilkat v11.0.0+

OneDrive -- Create a New Folder

See more OneDrive Examples

Demonstrates how to create a new folder. Delphi DLL

var
success: Boolean;
json: HCkJsonObject;
http: HCkHttp;
respStr: PWideChar;
jsonReqBody: HCkJsonObject;
jObj: HCkJsonObject;
url: PWideChar;
resp: HCkHttpResponse;

begin
success := False;

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

//  This example uses the OAuth client credentials flow.
//  See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

//  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));

//  To create a new folder, send a POST request like this:
//  POST /users/{user-id}/drive/items/{parent-item-id}/children

//  We first need to get the item-id for the folder where the new folder will be created.
//  This example will create a new folder named "abc" within /TestDir,
//  so we need the item-id for /TestDir.
CkHttp_SetUrlVar(http,'dir_path','/TestDir');
CkHttp_SetUrlVar(http,'user_id','4fe732c3-322e-4a6b-b729-2fd1eb5c6104');
respStr := CkHttp__quickGetStr(http,'https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$dir_path}');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

CkJsonObject_Load(json,respStr);
if (CkHttp_getLastStatus(http) <> 200) then
  begin
    Memo1.Lines.Add('Failed to get parent folder item id, status code = ' + IntToStr(CkHttp_getLastStatus(http)));
    Exit;
  end;

//  The HTTP request body should contain JSON like this:

//  	{
//  	  "name": "abc",
//  	  "folder": { }
//  	}

jsonReqBody := CkJsonObject_Create();
CkJsonObject_AppendString(jsonReqBody,'name','abc');

jObj := CkJsonObject_Create();
CkJsonObject_AppendObject2(jsonReqBody,'folder',jObj);
Memo1.Lines.Add('JSON body:');
Memo1.Lines.Add(CkJsonObject__emit(jsonReqBody));

//  Set the URL var for the next request which will create the new folder.
CkHttp_SetUrlVar(http,'parent_item_id',CkJsonObject__stringOf(json,'id'));

url := 'https://graph.microsoft.com/v1.0/users/{$user_id}/drive/items/{$parent_item_id}/children';
resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST',url,jsonReqBody,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add('Response:');
Memo1.Lines.Add(CkJsonObject__emit(json));

//  A 201 response indicates success.
if (CkHttpResponse_getStatusCode(resp) <> 201) then
  begin
    Memo1.Lines.Add('Failed to create folder.');
    Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
  end
else
  begin
    Memo1.Lines.Add('Successfully created folder.');
  end;

//  A successful response:

//  	{
//  	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/items('3A33FCEB9B74CC15%214862')/children/$entity",
//  	  "createdBy": {
//  	    "application": {
//  	      "displayName": "Chilkat",
//  	      "id": "441c9990"
//  	    },
//  	    "user": {
//  	      "displayName": "Matt Smith",
//  	      "id": "3a33fceb9b74cc15"
//  	    }
//  	  },
//  	  "createdDateTime": "2017-06-04T16:02:22.203Z",
//  	  "cTag": "adDozQTMzRkNFQjlCNzRDQzE1ITQ4NzAuNjM2MzIxODg5NDIyMDMwMDAw",
//  	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcwLjA",
//  	  "id": "3A33FCEB9B74CC15!4870",
//  	  "lastModifiedBy": {
//  	    "application": {
//  	      "displayName": "Chilkat",
//  	      "id": "441c9990"
//  	    },
//  	    "user": {
//  	      "displayName": "Matt Smith",
//  	      "id": "3a33fceb9b74cc15"
//  	    }
//  	  },
//  	  "lastModifiedDateTime": "2017-06-04T16:02:22.203Z",
//  	  "name": "abc",
//  	  "parentReference": {
//  	    "driveId": "3a33fceb9b74cc15",
//  	    "id": "3A33FCEB9B74CC15!4862",
//  	    "name": "someFolder",
//  	    "path": "/drive/root:/someFolder"
//  	  },
//  	  "size": 0,
//  	  "webUrl": "https://1drv.ms/f/s!ABXMdJvr_DM6pgY",
//  	  "fileSystemInfo": {
//  	    "createdDateTime": "2017-06-04T16:02:22.203Z",
//  	    "lastModifiedDateTime": "2017-06-04T16:02:22.203Z"
//  	  },
//  	  "folder": {
//  	    "childCount": 0
//  	  }
//  	}
//  
//  	Successfully created folder.

CkJsonObject_Dispose(json);
CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonReqBody);
CkJsonObject_Dispose(jObj);
CkHttpResponse_Dispose(resp);