Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
PayPal - Show Payment Details
See more PayPal Examples
Shows details for a payment by ID.Chilkat Pascal (Lazarus/Delphi) Downloads
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.StringBuilder,
Chilkat.Rest,
Chilkat.DtObj,
Chilkat.JsonObject,
Chilkat.CkDateTime;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
jsonToken: TJsonObject;
sbAuth: TStringBuilder;
rest: TRest;
bAutoReconnect: Boolean;
sbPath: TStringBuilder;
numReplaced: Integer;
sbJsonResponse: TStringBuilder;
json: TJsonObject;
dateTime: TCkDateTime;
dtUtc: TDtObj;
begin
success := False;
// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Load our previously obtained access token. (see PayPal OAuth2 Access Token)
jsonToken := TJsonObject.Create;
jsonToken.LoadFile('qa_data/tokens/paypal.json');
// Build the Authorization request header field value.
sbAuth := TStringBuilder.Create;
// token_type should be "Bearer"
sbAuth.Append(jsonToken.StringOf('token_type'));
sbAuth.Append(' ');
sbAuth.Append(jsonToken.StringOf('access_token'));
// Make the initial connection.
// A single REST object, once connected, can be used for many PayPal REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
rest := TRest.Create;
bAutoReconnect := True;
success := rest.Connect('api.sandbox.paypal.com',443,True,bAutoReconnect);
if (success = False) then
begin
WriteLn(rest.LastErrorText);
Exit;
end;
// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request. Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------
// Clear the REST object of any headers or query params from previous requests.
rest.ClearAllHeaders();
rest.ClearAllQueryParams();
rest.AddHeader('Authorization',sbAuth.GetAsString());
// The payment ID is added to the path.
sbPath := TStringBuilder.Create;
sbPath.Append('/v1/payments/payment/payment_id');
numReplaced := sbPath.Replace('payment_id','PAY-62106714J93631829LA44NWI');
// Send the GET request and get the JSON response.
sbJsonResponse := TStringBuilder.Create;
success := rest.FullRequestNoBodySb('GET',sbPath.GetAsString(),sbJsonResponse);
if (success = False) then
begin
WriteLn(rest.LastErrorText);
Exit;
end;
json := TJsonObject.Create;
json.EmitCompact := False;
json.LoadSb(sbJsonResponse);
WriteLn('Response Status Code = ' + rest.ResponseStatusCode);
// Did we get a 200 success response?
if (rest.ResponseStatusCode <> 200) then
begin
WriteLn(json.Emit());
WriteLn('Failed.');
Exit;
end;
// Sample JSON response is shown below.
WriteLn(json.Emit());
WriteLn('----------------------');
// Show how to get a timestamp, such as update_time.
dateTime := TCkDateTime.Create;
success := dateTime.SetFromTimestamp(json.StringOf('update_time'));
WriteLn('utc update_time: ' + dateTime.GetAsTimestamp(False));
WriteLn('local update_time: ' + dateTime.GetAsTimestamp(True));
WriteLn('utc rfc822: ' + dateTime.GetAsRfc822(False));
WriteLn('local rfc822: ' + dateTime.GetAsRfc822(True));
dtUtc := TDtObj.Create;
dateTime.ToDtObj(False,dtUtc);
WriteLn(dtUtc.Month + '/' + dtUtc.Day + '/' + dtUtc.Year);
WriteLn('success');
// ------------------------------------------------
// A sample JSON response:
// {
// "id": "PAY-2CY489250W145633HLA3DK3Y",
// "create_time": "2016-11-24T00:33:51Z",
// "update_time": "2016-11-24T00:40:54Z",
// "state": "approved",
// "intent": "authorize",
// "payer": {
// "payment_method": "credit_card",
// "funding_instruments": [
// {
// "credit_card_token": {
// "credit_card_id": "CARD-52W84623JH8043102LA3CLGA",
// "payer_id": "user12345",
// "last4": "9974",
// "type": "visa",
// "expire_month": "9",
// "expire_year": "2021"
// }
// }
// ]
// },
// "transactions": [
// {
// "amount": {
// "total": "6.70",
// "currency": "USD",
// "details": {
// "subtotal": "6.70"
// }
// },
// "description": "This is the payment transaction description.",
// "related_resources": [
// {
// "authorization": {
// "id": "7X8332687A4929542",
// "create_time": "2016-11-24T00:33:51Z",
// "update_time": "2016-11-24T00:33:58Z",
// "amount": {
// "total": "6.70",
// "currency": "USD",
// "details": {
// "subtotal": "6.70"
// }
// },
// "state": "captured",
// "parent_payment": "PAY-2CY489250W145633HLA3DK3Y",
// "valid_until": "2016-12-23T00:33:51Z",
// "links": [
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542",
// "rel": "self",
// "method": "GET"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y",
// "rel": "parent_payment",
// "method": "GET"
// }
// ]
// }
// },
// {
// "capture": {
// "id": "1LY5310469661362J",
// "create_time": "2016-11-24T00:40:50Z",
// "update_time": "2016-11-24T00:40:54Z",
// "amount": {
// "total": "4.54",
// "currency": "USD"
// },
// "state": "completed",
// "parent_payment": "PAY-2CY489250W145633HLA3DK3Y",
// "transaction_fee": {
// "value": "0.43",
// "currency": "USD"
// },
// "links": [
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J",
// "rel": "self",
// "method": "GET"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J/refund",
// "rel": "refund",
// "method": "POST"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y",
// "rel": "parent_payment",
// "method": "GET"
// }
// ]
// }
// }
// ]
// }
// ],
// "links": [
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y",
// "rel": "self",
// "method": "GET"
// }
// ]
// }
jsonToken.Free;
sbAuth.Free;
rest.Free;
sbPath.Free;
sbJsonResponse.Free;
json.Free;
dateTime.Free;
dtUtc.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.