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(Delphi DLL) OneDrive -- Create a New FolderDemonstrates how to create a new folder. Note: This example requires Chilkat v9.5.0.68 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpResponse, JsonObject; ... procedure TForm1.Button1Click(Sender: TObject); var http: HCkHttp; json: HCkJsonObject; resp: PWideChar; jsonReqBody: HCkJsonObject; jObj: HCkJsonObject; url: PWideChar; resp: HCkHttpResponse; begin // 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 Files.ReadWrite scope.) CkHttp_putAuthToken(http,'MICROSOFT_GRAPH_ACCESS_TOKEN'); // To create a new folder, send a POST request like this: // POST /me/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 /someFolder, // so we need the item-id for /someFolder. json := CkJsonObject_Create(); CkJsonObject_putEmitCompact(json,False); resp := CkHttp__quickGetStr(http,'https://graph.microsoft.com/v1.0/me/drive/root:/someFolder'); if (CkHttp_getLastMethodSuccess(http) <> True) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; CkJsonObject_Load(json,resp); 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; // Set the URL var for the next request which will create the new folder. CkHttp_SetUrlVar(http,'parent_item_id',CkJsonObject__stringOf(json,'id')); // The HTTP request body should contain JSON like this: // { // "name": "abc", // "folder": { } // } jsonReqBody := CkJsonObject_Create(); CkJsonObject_AppendString(jsonReqBody,'name','abc'); jObj := CkJsonObject_AppendObject(jsonReqBody,'folder'); CkJsonObject_Dispose(jObj); Memo1.Lines.Add('JSON body:'); Memo1.Lines.Add(CkJsonObject__emit(jsonReqBody)); url := 'https://graph.microsoft.com/v1.0/me/drive/items/{$parent_item_id}/children'; resp := CkHttp_PostJson2(http,url,'application/json',CkJsonObject__emit(jsonReqBody)); if (CkHttp_getLastMethodSuccess(http) <> True) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp)); Memo1.Lines.Add('Response:'); Memo1.Lines.Add(CkJsonObject__emit(json)); // A 201 response indicates success. if (CkHttpResponse_getStatusCode(resp) <> 201) then begin Memo1.Lines.Add('Failed to create folder.'); Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp))); end else begin Memo1.Lines.Add('Successfully created folder.'); end; CkHttpResponse_Dispose(resp); // A successful response: // { // "@odata.context": "https://graph.microsoft.com/v1.0/$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. CkHttp_Dispose(http); CkJsonObject_Dispose(json); CkJsonObject_Dispose(jsonReqBody); end; |
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