Pascal (Lazarus/Delphi)

WordPress Create Post

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Demonstrates how to create a WordPress post. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  json: TJsonObject;
  tagIdx: Integer;
  resp: THttpResponse;
  jResp: TJsonObject;

begin
  success := False;

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

  http := THttp.Create;

  //  Use your WordPress login, such as "admin", not the application name.
  http.Login := 'wp_username';
  //  Use the application password, such as "Nths RwVH eDJ4 weNZ orMN jabq"
  //  See WordPress Application Passwords Plugin
  http.Password := 'app_password';
  http.BasicAuth := True;

  //  Note: For this to work, you'll likely need to update your .htaccess file on your WordPress server.
  //  Otherwise you'll get this error:
  //  
  //  401 : Sorry, you are not allowed to create posts as this user
  //  
  //  Your default .htaccess file probably looks like this:
  //  
  //  <IfModule mod_rewrite.c>
  //  RewriteEngine On
  //  RewriteBase /
  //  RewriteRule ^index\.php$ - [L]
  //  RewriteCond %{REQUEST_FILENAME} !-f
  //  RewriteCond %{REQUEST_FILENAME} !-d
  //  RewriteRule . /index.php [L]
  //  </IfModule>
  //  # END WordPress
  //  
  //  Add the following line immediately after the "RewriteEngine On" line:    RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization}]
  //  Your .htaccess file should look like this after the edit:
  //  
  //  <IfModule mod_rewrite.c>
  //  RewriteEngine On
  //  RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization}]
  //  RewriteBase /
  //  RewriteRule ^index\.php$ - [L]
  //  RewriteCond %{REQUEST_FILENAME} !-f
  //  RewriteCond %{REQUEST_FILENAME} !-d
  //  RewriteRule . /index.php [L]
  //  </IfModule>
  //  # END WordPress

  json := TJsonObject.Create;
  json.UpdateString('title','This is a test post');
  json.UpdateString('content','<p>This is the HTML body of my post</p>');
  //  The status can be "draft" or "publish"
  json.UpdateString('status','draft');

  //  Add tags -- but you need to know the ID of an existing tag.
  //  See Chilkat's other WordPress example for creating a tag, or getting the ID of an existing tag.
  tagIdx := 0;
  json.I := tagIdx;
  //  When Chilkat sees the literal string "[i]" in the JSON path, it replaces the "i" with the value of the "I" property.
  json.UpdateInt('tags[i]',56);
  tagIdx := tagIdx + 1;
  json.I := tagIdx;
  json.UpdateInt('tags[i]',75);
  //  ..

  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://cknotes.com/wp-json/wp/v2/posts',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  if (resp.StatusCode <> 201) then
    begin
      WriteLn(resp.BodyStr);
      WriteLn('status code = ' + resp.StatusCode);
      Exit;
    end;

  jResp := TJsonObject.Create;
  jResp.Load(resp.BodyStr);
  WriteLn('Post ID = ' + jResp.IntOf('id'));
  WriteLn('Post URL = ' + jResp.StringOf('link'));


  http.Free;
  json.Free;
  resp.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.