(Delphi DLL) GetHarvest - List Clients

Returns a list of your clients.

For more information, see https://help.getharvest.com/api-v2/clients-api/clients/clients/

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;
per_page: Integer;
total_pages: Integer;
total_entries: Integer;
next_page: PWideChar;
previous_page: PWideChar;
page: Integer;
linksFirst: PWideChar;
linksNext: PWideChar;
linksPrevious: PWideChar;
linksLast: PWideChar;
i: Integer;
count_i: Integer;
id: Integer;
name: PWideChar;
is_active: Boolean;
address: PWideChar;
created_at: PWideChar;
updated_at: PWideChar;
currency: PWideChar;

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 "https://api.harvestapp.com/v2/clients" \
//   -H "Authorization: Bearer ACCESS_TOKEN" \
//   -H "Harvest-Account-Id: ACCOUNT_ID" \
//   -H "User-Agent: MyApp (yourname@example.com)"

CkHttp_SetRequestHeader(http,'User-Agent','MyApp (yourname@example.com)');
CkHttp_SetRequestHeader(http,'Authorization','Bearer ACCESS_TOKEN');
CkHttp_SetRequestHeader(http,'Harvest-Account-Id','ACCOUNT_ID');

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://api.harvestapp.com/v2/clients',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:

// {
//   "clients": [
//     {
//       "id": 5735776,
//       "name": "123 Industries",
//       "is_active": true,
//       "address": "123 Main St.\r\nAnytown, LA 71223",
//       "created_at": "2017-06-26T21:02:12Z",
//       "updated_at": "2017-06-26T21:34:11Z",
//       "currency": "EUR"
//     },
//     {
//       "id": 5735774,
//       "name": "ABC Corp",
//       "is_active": true,
//       "address": "456 Main St.\r\nAnytown, CT 06467",
//       "created_at": "2017-06-26T21:01:52Z",
//       "updated_at": "2017-06-26T21:27:07Z",
//       "currency": "USD"
//     }
//   ],
//   "per_page": 100,
//   "total_pages": 1,
//   "total_entries": 2,
//   "next_page": null,
//   "previous_page": null,
//   "page": 1,
//   "links": {
//     "first": "https://api.harvestapp.com/v2/clients?page=1&per_page=100",
//     "next": null,
//     "previous": null,
//     "last": "https://api.harvestapp.com/v2/clients?page=1&per_page=100"
//   }
// }

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

per_page := CkJsonObject_IntOf(jResp,'per_page');
total_pages := CkJsonObject_IntOf(jResp,'total_pages');
total_entries := CkJsonObject_IntOf(jResp,'total_entries');
next_page := CkJsonObject__stringOf(jResp,'next_page');
previous_page := CkJsonObject__stringOf(jResp,'previous_page');
page := CkJsonObject_IntOf(jResp,'page');
linksFirst := CkJsonObject__stringOf(jResp,'links.first');
linksNext := CkJsonObject__stringOf(jResp,'links.next');
linksPrevious := CkJsonObject__stringOf(jResp,'links.previous');
linksLast := CkJsonObject__stringOf(jResp,'links.last');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'clients');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    id := CkJsonObject_IntOf(jResp,'clients[i].id');
    name := CkJsonObject__stringOf(jResp,'clients[i].name');
    is_active := CkJsonObject_BoolOf(jResp,'clients[i].is_active');
    address := CkJsonObject__stringOf(jResp,'clients[i].address');
    created_at := CkJsonObject__stringOf(jResp,'clients[i].created_at');
    updated_at := CkJsonObject__stringOf(jResp,'clients[i].updated_at');
    currency := CkJsonObject__stringOf(jResp,'clients[i].currency');
    i := i + 1;
  end;

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

end;