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(Delphi ActiveX) Xero Upload File (Files API)Demonstrates how to upload a file to a Xero folder. Note: This example 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, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var rest: TChilkatRest; success: Integer; folderID: WideString; filename: WideString; sbPath: TChilkatStringBuilder; numReplaced: Integer; jpgData: TChilkatBinData; jpgDataFromWeb: TChilkatBinData; http: TChilkatHttp; responseJson: WideString; json: TChilkatJsonObject; 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 := TChilkatRest.Create(Self); // 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 a file to a folder using the Xero FILES API folderID := '0ffca059-f2f1-4271-8de9-4b87c8c2c638'; // This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg filename := 'penguins.jpg'; sbPath := TChilkatStringBuilder.Create(Self); sbPath.Append('/files.xro/1.0/Files/{FolderId}'); numReplaced := sbPath.Replace('{FolderId}',folderID); rest.AddHeader('Content-Type','image/jpeg'); // Load the JPG image from a file. jpgData := TChilkatBinData.Create(Self); success := jpgData.LoadFile('qa_data/jpg/penguins.jpg'); // We could alternatively get it from a URL like this: jpgDataFromWeb := TChilkatBinData.Create(Self); http := TChilkatHttp.Create(Self); success := http.QuickGetBd('https://www.chilkatsoft.com/syncedImages/penguins.jpg',jpgDataFromWeb.ControlInterface); if (success <> 1) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; // // Put the file data in the 1st sub-part in the multipart/form-data request we'll be sending. rest.PartSelector := '1'; rest.SetMultipartBodyBd(jpgData.ControlInterface); // Set request headers in the 1st subpart (as indicated by the PartSelector) rest.AddHeader('Content-Type','image/jpeg'); rest.AddHeader('Content-Disposition','multipart/form-data; name=Xero; filename=penguins.jpg'); // Restore the PartSelector to an empty string. rest.PartSelector := ''; rest.AddHeader('Content-Type','multipart/form-data'); // Upload with a multipart/form-data POST responseJson := rest.FullRequestMultipart('POST',sbPath.GetAsString()); if (rest.LastMethodSuccess <> 1) then begin Memo1.Lines.Add(rest.LastErrorText); Exit; end; json := TChilkatJsonObject.Create(Self); json.Load(responseJson); json.EmitCompact := 0; // A 201 response is expected for actual success. // The Xero documentation doesn't explicitly state it, but that's what we've found in testing. // To be safe, we'll check for either 200 or 201. if ((rest.ResponseStatusCode <> 200) and (rest.ResponseStatusCode <> 201)) then begin Memo1.Lines.Add(json.Emit()); Exit; end; // Examine the JSON response Memo1.Lines.Add(json.Emit()); // A successful response looks like this: // { // "Name": "penguins.jpg", // "MimeType": "image/jpeg", // "Size": 777835, // "CreatedDateUtc": "2016-11-12T15:31:53.4230000", // "UpdatedDateUtc": "2016-11-12T15:31:53.4230000", // "User": { // "Name": "admin@chilkatsoft.com", // "FirstName": "Matthew", // "LastName": "Smith", // "FullName": "Matthew Smith", // "Id": "c362fe42-cb12-461f-b84a-c281c1a74841" // }, // "FolderId": "0ffca059-f2f1-4271-8de9-4b87c8c2c638", // "Id": "f042e9a3-a31d-4595-b8b3-6030ea6084bb" // } end; |
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