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(Delphi DLL) Xero Upload AttachmentUpload an attachment. (POST an attachment). Note: Requires Chilkat v9.5.0.64 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, Rest, BinData; ... procedure TForm1.Button1Click(Sender: TObject); var rest: HCkRest; success: Boolean; endPoint: PWideChar; receiptID: PWideChar; filename: PWideChar; sbPath: HCkStringBuilder; numReplaced: Integer; jpgData: HCkBinData; jpgDataFromWeb: HCkBinData; http: HCkHttp; sbResponseBody: HCkStringBuilder; begin // Note: Requires Chilkat v9.5.0.64 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rest := CkRest_Create(); // Before sending REST API calls, the REST object needs to be // initialized for OAuth1. // See Xero 2-Legged OAuth1 Setup for sample code. // Assuming the REST object's OAuth1 authenticator is setup, and the initial // connection was made, we may now send REST HTTP requests.. // -------------------------------------------------------------- // This example will upload an image attachment to a receipt. endPoint := 'Receipts'; receiptID := 'c4f40e59-c390-0001-caff-ce731c707d00'; // This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg filename := 'penguins.jpg'; sbPath := CkStringBuilder_Create(); CkStringBuilder_Append(sbPath,'/api.xro/2.0/{Endpoint}/{Guid}/Attachments/{Filename}'); numReplaced := CkStringBuilder_Replace(sbPath,'{Endpoint}',endPoint); numReplaced := CkStringBuilder_Replace(sbPath,'{Guid}',receiptID); numReplaced := CkStringBuilder_Replace(sbPath,'{Filename}',filename); CkRest_AddHeader(rest,'Content-Type','image/jpeg'); // Load the JPG image from a file. jpgData := CkBinData_Create(); success := CkBinData_LoadFile(jpgData,'qa_data/jpg/penguins.jpg'); // We could alternatively get it from a URL like this: jpgDataFromWeb := CkBinData_Create(); http := CkHttp_Create(); success := CkHttp_QuickGetBd(http,'https://www.chilkatsoft.com/syncedImages/penguins.jpg',jpgDataFromWeb); if (success <> True) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; // Upload with a POST sbResponseBody := CkStringBuilder_Create(); success := CkRest_FullRequestBd(rest,'POST',CkStringBuilder__getAsString(sbPath),jpgData,sbResponseBody); if (success <> True) then begin Memo1.Lines.Add(CkRest__lastErrorText(rest)); Exit; end; // A 200 response is expected for actual success. if (CkRest_getResponseStatusCode(rest) <> 200) then begin Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody)); Exit; end; // Examine the XML response Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody)); // A successful response looks like this: // <Response xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> // <Id>d82568cd-d222-49e6-b713-880b6edb0606</Id> // <Status>OK</Status> // <ProviderName>ChilkatPrivate</ProviderName> // <DateTimeUTC>2016-11-11T14:17:49.5922609Z</DateTimeUTC> // <Attachments> // <Attachment> // <AttachmentID>0edcddc8-325f-40c7-b950-8c71f14afc7c</AttachmentID> // <FileName>penguins.jpg</FileName> // <Url>http://api.xero.com/api.xro/2.0/Receipts/c4f40e59-c390-0001-caff-ce731c707d00/Attachments/penguins.jpg</Url> // <MimeType>image/jpg</MimeType> // <ContentLength>777835</ContentLength> // </Attachment> // </Attachments> // </Response> CkRest_Dispose(rest); CkStringBuilder_Dispose(sbPath); CkBinData_Dispose(jpgData); CkBinData_Dispose(jpgDataFromWeb); CkHttp_Dispose(http); CkStringBuilder_Dispose(sbResponseBody); end; |
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