(PureBasic) PayPal - Show Payment Details

Shows details for a payment by ID.

Note: This example requires Chilkat v9.5.0.65 or greater.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkDtObj.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkDateTime.pb"

Procedure ChilkatExample()

    ; Note: Requires Chilkat v9.5.0.65 or greater.

    ; 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.i = CkJsonObject::ckCreate()
    If jsonToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/paypal.json")

    ; Build the Authorization request header field value.
    sbAuth.i = CkStringBuilder::ckCreate()
    If sbAuth.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; token_type should be "Bearer"
    CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"token_type"))
    CkStringBuilder::ckAppend(sbAuth," ")
    CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(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.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    bAutoReconnect.i = 1
    success.i = CkRest::ckConnect(rest,"api.sandbox.paypal.com",443,1,bAutoReconnect)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbAuth)
        CkRest::ckDispose(rest)
        ProcedureReturn
    EndIf

    ; ----------------------------------------------------------------------------------------------
    ; 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::ckClearAllHeaders(rest)
    CkRest::ckClearAllQueryParams(rest)

    CkRest::ckAddHeader(rest,"Authorization",CkStringBuilder::ckGetAsString(sbAuth))

    ; The payment ID is added to the path.
    sbPath.i = CkStringBuilder::ckCreate()
    If sbPath.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppend(sbPath,"/v1/payments/payment/payment_id")
    numReplaced.i = CkStringBuilder::ckReplace(sbPath,"payment_id","PAY-2CY489250W145633HLA3DK3Y")

    ; Send the GET request and get the JSON response.
    sbJsonResponse.i = CkStringBuilder::ckCreate()
    If sbJsonResponse.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestNoBodySb(rest,"GET",CkStringBuilder::ckGetAsString(sbPath),sbJsonResponse)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbAuth)
        CkRest::ckDispose(rest)
        CkStringBuilder::ckDispose(sbPath)
        CkStringBuilder::ckDispose(sbJsonResponse)
        ProcedureReturn
    EndIf

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::setCkEmitCompact(json, 0)
    CkJsonObject::ckLoadSb(json,sbJsonResponse)

    Debug "Response Status Code = " + Str(CkRest::ckResponseStatusCode(rest))

    ; Did we get a 200 success response?
    If CkRest::ckResponseStatusCode(rest) <> 200
        Debug CkJsonObject::ckEmit(json)
        Debug "Failed."
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbAuth)
        CkRest::ckDispose(rest)
        CkStringBuilder::ckDispose(sbPath)
        CkStringBuilder::ckDispose(sbJsonResponse)
        CkJsonObject::ckDispose(json)
        ProcedureReturn
    EndIf

    ; Sample JSON response is shown below.
    Debug CkJsonObject::ckEmit(json)
    Debug "----------------------"

    ; Show how to get a timestamp, such as update_time.
    dateTime.i = CkDateTime::ckCreate()
    If dateTime.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkDateTime::ckSetFromTimestamp(dateTime,CkJsonObject::ckStringOf(json,"update_time"))
    Debug "utc update_time: " + CkDateTime::ckGetAsTimestamp(dateTime,0)
    Debug "local update_time: " + CkDateTime::ckGetAsTimestamp(dateTime,1)
    Debug "utc rfc822: " + CkDateTime::ckGetAsRfc822(dateTime,0)
    Debug "local rfc822: " + CkDateTime::ckGetAsRfc822(dateTime,1)

    dtUtc.i = CkDateTime::ckGetDtObj(dateTime,0)
    Debug Str(CkDtObj::ckMonth(dtUtc)) + "/" + Str(CkDtObj::ckDay(dtUtc)) + "/" + Str(CkDtObj::ckYear(dtUtc))
    CkDtObj::ckDispose(dtUtc)

    Debug "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::ckDispose(jsonToken)
    CkStringBuilder::ckDispose(sbAuth)
    CkRest::ckDispose(rest)
    CkStringBuilder::ckDispose(sbPath)
    CkStringBuilder::ckDispose(sbJsonResponse)
    CkJsonObject::ckDispose(json)
    CkDateTime::ckDispose(dateTime)


    ProcedureReturn
EndProcedure