Delphi DLL
Delphi DLL
PayPal - Show Payment Details
See more PayPal Examples
Shows details for a payment by ID.Chilkat Delphi DLL Downloads
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringBuilder, Rest, DtObj, JsonObject, CkDateTime;
...
procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
jsonToken: HCkJsonObject;
sbAuth: HCkStringBuilder;
rest: HCkRest;
bAutoReconnect: Boolean;
sbPath: HCkStringBuilder;
numReplaced: Integer;
sbJsonResponse: HCkStringBuilder;
json: HCkJsonObject;
dateTime: HCkDateTime;
dtUtc: HCkDtObj;
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 := CkJsonObject_Create();
CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/paypal.json');
// Build the Authorization request header field value.
sbAuth := CkStringBuilder_Create();
// token_type should be "Bearer"
CkStringBuilder_Append(sbAuth,CkJsonObject__stringOf(jsonToken,'token_type'));
CkStringBuilder_Append(sbAuth,' ');
CkStringBuilder_Append(sbAuth,CkJsonObject__stringOf(jsonToken,'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 := CkRest_Create();
bAutoReconnect := True;
success := CkRest_Connect(rest,'api.sandbox.paypal.com',443,True,bAutoReconnect);
if (success = False) then
begin
Memo1.Lines.Add(CkRest__lastErrorText(rest));
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.
CkRest_ClearAllHeaders(rest);
CkRest_ClearAllQueryParams(rest);
CkRest_AddHeader(rest,'Authorization',CkStringBuilder__getAsString(sbAuth));
// The payment ID is added to the path.
sbPath := CkStringBuilder_Create();
CkStringBuilder_Append(sbPath,'/v1/payments/payment/payment_id');
numReplaced := CkStringBuilder_Replace(sbPath,'payment_id','PAY-62106714J93631829LA44NWI');
// Send the GET request and get the JSON response.
sbJsonResponse := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET',CkStringBuilder__getAsString(sbPath),sbJsonResponse);
if (success = False) then
begin
Memo1.Lines.Add(CkRest__lastErrorText(rest));
Exit;
end;
json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,False);
CkJsonObject_LoadSb(json,sbJsonResponse);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
// Did we get a 200 success response?
if (CkRest_getResponseStatusCode(rest) <> 200) then
begin
Memo1.Lines.Add(CkJsonObject__emit(json));
Memo1.Lines.Add('Failed.');
Exit;
end;
// Sample JSON response is shown below.
Memo1.Lines.Add(CkJsonObject__emit(json));
Memo1.Lines.Add('----------------------');
// Show how to get a timestamp, such as update_time.
dateTime := CkDateTime_Create();
success := CkDateTime_SetFromTimestamp(dateTime,CkJsonObject__stringOf(json,'update_time'));
Memo1.Lines.Add('utc update_time: ' + CkDateTime__getAsTimestamp(dateTime,False));
Memo1.Lines.Add('local update_time: ' + CkDateTime__getAsTimestamp(dateTime,True));
Memo1.Lines.Add('utc rfc822: ' + CkDateTime__getAsRfc822(dateTime,False));
Memo1.Lines.Add('local rfc822: ' + CkDateTime__getAsRfc822(dateTime,True));
dtUtc := CkDtObj_Create();
CkDateTime_ToDtObj(dateTime,False,dtUtc);
Memo1.Lines.Add(IntToStr(CkDtObj_getMonth(dtUtc)) + '/' + IntToStr(CkDtObj_getDay(dtUtc)) + '/' + IntToStr(CkDtObj_getYear(dtUtc)));
Memo1.Lines.Add('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"
// }
// ]
// }
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbJsonResponse);
CkJsonObject_Dispose(json);
CkDateTime_Dispose(dateTime);
CkDtObj_Dispose(dtUtc);
end;