(Swift 2) PayPal - Show Payment Details

Shows details for a payment by ID.

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

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func chilkatTest() {
    // 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)
    let jsonToken = CkoJsonObject()
    jsonToken.LoadFile("qa_data/tokens/paypal.json")

    // Build the Authorization request header field value.
    let sbAuth = CkoStringBuilder()
    // 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.
    let rest = CkoRest()
    var bAutoReconnect: Bool = true
    var success: Bool = rest.Connect("api.sandbox.paypal.com", port: 443, tls: true, autoReconnect: bAutoReconnect)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    // ----------------------------------------------------------------------------------------------
    // 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", value: sbAuth.GetAsString())

    // The payment ID is added to the path.
    let sbPath = CkoStringBuilder()
    sbPath.Append("/v1/payments/payment/payment_id")
    var numReplaced: Int = sbPath.Replace("payment_id", replacement: "PAY-2CY489250W145633HLA3DK3Y").intValue

    // Send the GET request and get the JSON response.
    let sbJsonResponse = CkoStringBuilder()
    success = rest.FullRequestNoBodySb("GET", uriPath: sbPath.GetAsString(), sb: sbJsonResponse)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    let json = CkoJsonObject()
    json.EmitCompact = false
    json.LoadSb(sbJsonResponse)

    print("Response Status Code = \(rest.ResponseStatusCode.intValue)")

    // Did we get a 200 success response?
    if rest.ResponseStatusCode.intValue != 200 {
        print("\(json.Emit())")
        print("Failed.")
        return
    }

    // Sample JSON response is shown below.
    print("\(json.Emit())")
    print("----------------------")

    // Show how to get a timestamp, such as update_time.
    let dateTime = CkoDateTime()
    success = dateTime.SetFromTimestamp(json.StringOf("update_time"))
    print("utc update_time: \(dateTime.GetAsTimestamp(false))")
    print("local update_time: \(dateTime.GetAsTimestamp(true))")
    print("utc rfc822: \(dateTime.GetAsRfc822(false))")
    print("local rfc822: \(dateTime.GetAsRfc822(true))")

    var dtUtc: CkoDtObj? = dateTime.GetDtObj(false)
    print("\(dtUtc!.Month.intValue)/\(dtUtc!.Day.intValue)/\(dtUtc!.Year.intValue)")
    dtUtc = nil

    print("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"
    // 	    }
    // 	  ]
    // 	}

}