(Delphi DLL) OneNote - Create Page

Creates a new OneNote page with a rendered image and an attached PDF.

For more information, see https://docs.microsoft.com/en-us/graph/api/section-post-pages?view=graph-rest-1.0

Chilkat for Delphi Downloads

Chilkat non-ActiveX DLL for Delphi

Chilkat ActiveX DLL for Delphi

* The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, CkDateTime, HttpResponse, JsonObject, StringBuilder, BinData, HttpRequest;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
req: HCkHttpRequest;
sbHtml: HCkStringBuilder;
bCrlf: Boolean;
dtNow: HCkDateTime;
numReplaced: Integer;
bdPdf: HCkBinData;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
odata_context: PWideChar;
id: PWideChar;
self: PWideChar;
createdDateTime: PWideChar;
title: PWideChar;
createdByAppId: PWideChar;
contentUrl: PWideChar;
lastModifiedDateTime: PWideChar;
linksOneNoteClientUrlHref: PWideChar;
linksOneNoteWebUrlHref: PWideChar;

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

http := CkHttp_Create();

// To create a OneNote page, we want to send an HTTP request like the following:

// POST https://graph.microsoft.com/v1.0/me/onenote/sections/{section_id}/pages
// Content-length: 312
// Content-type: multipart/form-data; boundary=MyPartBoundary198374
// 
// --MyPartBoundary198374
// Content-Disposition:form-data; name="Presentation"
// Content-Type:text/html
// 
// <!DOCTYPE html>
// <html>
//   <head>
//     <title>A page with <i>rendered</i> images and an <b>attached</b> file</title>
//     <meta name="created" content="2015-07-22T09:00:00-08:00" />
//   </head>
//   <body>
//     <p>Here's an image from an online source:</p>
//     <img src="https://..." alt="an image on the page" width="500" />
//     <p>Here's an image uploaded as binary data:</p>
//     <img src="name:imageBlock1" alt="an image on the page" width="300" />
//     <p>Here's a file attachment:</p>
//     <object data-attachment="FileName.pdf" data="name:fileBlock1" type="application/pdf" />
//   </body>
// </html>
// 
// --MyPartBoundary198374
// Content-Disposition:form-data; name="imageBlock1"
// Content-Type:image/jpeg
// 
// ... binary image data ...
// 
// --MyPartBoundary198374
// Content-Disposition:form-data; name="fileBlock1"
// Content-Type:application/pdf
// 
// ... binary file data ...
// 
// --MyPartBoundary198374--

// Build the request in a Chilkat HTTP request object:
req := CkHttpRequest_Create();

// Our URL is https://graph.microsoft.com/v1.0/me/onenote/sections/{section_id}/pages
// The path part of the URL is "/v1.0/me/onenote/sections/{section_id}/pages"
// In this example, our section ID is "0-3A33FCEB9B74CC15!20350"
CkHttpRequest_putPath(req,'/v1.0/me/onenote/sections/0-3A33FCEB9B74CC15!20350/pages');

// We'll be sending a POST.
CkHttpRequest_putHttpVerb(req,'POST');

// The Content-Type is multipart/form-data
// Chilkat will automatically generate a boundary string.
CkHttpRequest_putContentType(req,'multipart/form-data');

// When Chilkat HTTP was written many years ago, multipart requests were primarily for uploads.
// Thus the names of methods that add a multipart section end with "ForUpload".
// The multipart request we wish to build has 3 sections: text/html, image/jpeg, and application/pdf.

// ------------------------------
// Add the text/html part.
// ------------------------------
sbHtml := CkStringBuilder_Create();
bCrlf := True;
CkStringBuilder_AppendLine(sbHtml,'<!DOCTYPE html>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'<html>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'  <head>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <title>A page with <i>rendered</i> images and an <b>attached</b> file</title>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <meta name="created" content="TIMESTAMP_CURRENT" />',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'  </head>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'  <body>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <p>Here''s an image from an online source:</p>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <img src="https://www.chilkatsoft.com/images/starfish.jpg" alt="an image on the page" width="500" />',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <p>Here''s an image uploaded as binary data:</p>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <img src="name:imageBlock1" alt="an image on the page" width="300" />',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <p>Here''s a file attachment:</p>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'    <object data-attachment="FileName.pdf" data="name:fileBlock1" type="application/pdf" />',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'  </body>',bCrlf);
CkStringBuilder_AppendLine(sbHtml,'</html>',bCrlf);

dtNow := CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dtNow);
numReplaced := CkStringBuilder_Replace(sbHtml,'TIMESTAMP_CURRENT',CkDateTime__getAsTimestamp(dtNow,True));

CkHttpRequest_AddStringForUpload2(req,'Presentation','',CkStringBuilder__getAsString(sbHtml),'utf-8','text/html');

// ------------------------------
// Add the JPG image.
// ------------------------------
success := CkHttpRequest_AddFileForUpload2(req,'imageBlock1','qa_data/jpg/penguins2.jpg','image/jpeg');
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttpRequest__lastErrorText(req));
    Exit;
  end;

// ------------------------------
// Add the PDF attachment.
// ------------------------------
bdPdf := CkBinData_Create();
success := CkBinData_LoadFile(bdPdf,'qa_data/pdf/helloWorld.pdf');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to load PDF file.');
    Exit;
  end;
success := CkHttpRequest_AddBdForUpload(req,'fileBlock1','FileName.pdf',bdPdf,'application/pdf');
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttpRequest__lastErrorText(req));
    Exit;
  end;

// Adds the "Authorization: Bearer ACCESS_TOKEN" header.
CkHttp_putAuthToken(http,'ACCESS_TOKEN');

// POST to https://graph.microsoft.com/v1.0/me/onenote/sections/{section_id}/pages
// The path part of the URL is already specified in the req object.
// We only need to specify the domain and the fact that we're doing "https" (SSL/TLS).
resp := CkHttp_SynchronousRequest(http,'graph.microsoft.com',443,True,req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response status code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/onenote/sections('0-3A33FCEB9B74CC15%2120350')/pages/$entity",
//   "id": "0-18ac61117a664f7e946bcceaeebd6f57!36-3A33FCEB9B74CC15!20350",
//   "self": "https://graph.microsoft.com/v1.0/users/admin@chilkat.io/onenote/pages/0-18ac61117a664f7e946bcceaeebd6f57!36-3A33FCEB9B74CC15!20350",
//   "createdDateTime": "2020-10-22T19:02:12Z",
//   "title": "A page with rendered images and an attached file",
//   "createdByAppId": "WLID-00000000441C9990",
//   "contentUrl": "https://graph.microsoft.com/v1.0/users/admin@chilkat.io/onenote/pages/0-18ac61117a664f7e946bcceaeebd6f57!36-3A33FCEB9B74CC15!20350/content",
//   "lastModifiedDateTime": "2020-10-23T00:02:13.3254289Z",
//   "links": {
//     "oneNoteClientUrl": {
//       "href": "onenote:https://d.docs.live.net/3a33fceb9b74cc15/Documents/Testing%20Notebook/Ddd.one#A%20page%20with%20rendered%20images%20and%20an%20attached%20file&section-id=9d78c221-486e-45f8-8355-1810e475f6c0&page-id=36cd1982-1ef1-4b11-b5a1-30b3dbc43d05&end"
//     },
//     "oneNoteWebUrl": {
//       "href": "https://onedrive.live.com/redir.aspx?cid=3a33fceb9b74cc15&page=edit&resid=3A33FCEB9B74CC15!20344&parId=3A33FCEB9B74CC15!187&wd=target%28Ddd.one%7C9d78c221-486e-45f8-8355-1810e475f6c0%2FA%20page%20with%20rendered%20images%20and%20an%20attached%20file%7C36cd1982-1ef1-4b11-b5a1-30b3dbc43d05%2F%29"
//     }
//   }
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

odata_context := CkJsonObject__stringOf(jResp,'"@odata.context"');
id := CkJsonObject__stringOf(jResp,'id');
self := CkJsonObject__stringOf(jResp,'self');
createdDateTime := CkJsonObject__stringOf(jResp,'createdDateTime');
title := CkJsonObject__stringOf(jResp,'title');
createdByAppId := CkJsonObject__stringOf(jResp,'createdByAppId');
contentUrl := CkJsonObject__stringOf(jResp,'contentUrl');
lastModifiedDateTime := CkJsonObject__stringOf(jResp,'lastModifiedDateTime');
linksOneNoteClientUrlHref := CkJsonObject__stringOf(jResp,'links.oneNoteClientUrl.href');
linksOneNoteWebUrlHref := CkJsonObject__stringOf(jResp,'links.oneNoteWebUrl.href');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkStringBuilder_Dispose(sbHtml);
CkDateTime_Dispose(dtNow);
CkBinData_Dispose(bdPdf);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;