(Delphi DLL) Yousign: Download Information about Previously Uploaded File

Demonstrates how to download the information (in JSON format) about a file previously uploaded.

For more information, see https://dev.yousign.com/?version=latest#26513de1-9fab-44d5-96b1-70fe3b3de7a7

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, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
id: PWideChar;
name: PWideChar;
v_type: PWideChar;
contentType: PWideChar;
description: PWideChar;
createdAt: PWideChar;
updatedAt: PWideChar;
sha256: PWideChar;
workspace: PWideChar;
creator: PWideChar;
v_protected: Boolean;
position: Integer;
parent: PWideChar;
i: Integer;
count_i: Integer;

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

http := CkHttp_Create();

// Implements the following CURL command:

// curl --location --request GET 'https://staging-api.yousign.com/files/{{id}}' \
// --header 'Authorization: Bearer YOUR_API_KEY' \
// --header 'Content-Type: application/json'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Adds the "Authorization: Bearer YOUR_API_KEY" header.
CkHttp_putAuthToken(http,'YOUR_API_KEY');
CkHttp_SetRequestHeader(http,'Content-Type','application/json');

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://staging-api.yousign.com/files/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

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

// {
//   "id": "/files/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX",
//   "name": "The best name for my file.pdf",
//   "type": "signable",
//   "contentType": "application/pdf",
//   "description": null,
//   "createdAt": "2018-12-07T08:10:21+01:00",
//   "updatedAt": "2018-12-07T08:10:21+01:00",
//   "sha256": "bb57ae2b2ca6ad0133a699350d1a6f6c8cdfde3cf872cf526585d306e4675cc2",
//   "metadata": [
//   ],
//   "workspace": "/workspaces/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX",
//   "creator": null,
//   "protected": false,
//   "position": 0,
//   "parent": null
// }

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

id := CkJsonObject__stringOf(jResp,'id');
name := CkJsonObject__stringOf(jResp,'name');
v_type := CkJsonObject__stringOf(jResp,'type');
contentType := CkJsonObject__stringOf(jResp,'contentType');
description := CkJsonObject__stringOf(jResp,'description');
createdAt := CkJsonObject__stringOf(jResp,'createdAt');
updatedAt := CkJsonObject__stringOf(jResp,'updatedAt');
sha256 := CkJsonObject__stringOf(jResp,'sha256');
workspace := CkJsonObject__stringOf(jResp,'workspace');
creator := CkJsonObject__stringOf(jResp,'creator');
v_protected := CkJsonObject_BoolOf(jResp,'protected');
position := CkJsonObject_IntOf(jResp,'position');
parent := CkJsonObject__stringOf(jResp,'parent');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'metadata');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    i := i + 1;
  end;

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;