Chilkat Examples

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(Visual FoxPro) PayPal - Update Invoice

Update a PayPal invoice.

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

See also PayPal Update Invoice REST API Reference

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loJsonToken
LOCAL loSbAuth
LOCAL loRest
LOCAL lnBAutoReconnect
LOCAL lnSuccess
LOCAL loJson
LOCAL lcInvoiceId
LOCAL loSbPath
LOCAL loSbJsonRequest
LOCAL loSbJsonResponse
LOCAL lnNumItems
LOCAL i

* 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)
loJsonToken = CreateObject('Chilkat_9_5_0.JsonObject')
loJsonToken.LoadFile("qa_data/tokens/paypal.json")

* Build the Authorization request header field value.
loSbAuth = CreateObject('Chilkat_9_5_0.StringBuilder')
* token_type should be "Bearer"
loSbAuth.Append(loJsonToken.StringOf("token_type"))
loSbAuth.Append(" ")
loSbAuth.Append(loJsonToken.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.
loRest = CreateObject('Chilkat_9_5_0.Rest')
lnBAutoReconnect = 1
lnSuccess = loRest.Connect("api.sandbox.paypal.com",443,1,lnBAutoReconnect)
IF (lnSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    CANCEL
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..
* ----------------------------------------------------------------------------------------------

* First create the JSON with updated information:

loJson = CreateObject('Chilkat_9_5_0.JsonObject')
loJson.EmitCompact = 0
loJson.UpdateString("merchant_info.email","smith-facilitator@chilkatsoft.com")
loJson.UpdateString("merchant_info.first_name","Joe")
loJson.UpdateString("merchant_info.last_name","Facilitator")
loJson.UpdateString("merchant_info.business_name","Medical Professionals, LLC")
loJson.UpdateString("merchant_info.phone.country_code","001")
loJson.UpdateString("merchant_info.phone.national_number","5032141716")
loJson.UpdateString("merchant_info.address.line1","1234 Main St.")
loJson.UpdateString("merchant_info.address.city","Portland")
loJson.UpdateString("merchant_info.address.state","OR")
loJson.UpdateString("merchant_info.address.postal_code","97217")
loJson.UpdateString("merchant_info.address.country_code","US")
loJson.UpdateString("billing_info[0].email","smith-buyer@chilkatsoft.com")
loJson.UpdateString("shipping_info.first_name","Sally")
loJson.UpdateString("shipping_info.last_name","Patient")
loJson.UpdateString("shipping_info.business_name","Not applicable")
loJson.UpdateString("shipping_info.phone.country_code","001")
loJson.UpdateString("shipping_info.phone.national_number","5039871234")
loJson.UpdateString("shipping_info.address.line1","1234 Broad St.")
loJson.UpdateString("shipping_info.address.city","Portland")
loJson.UpdateString("shipping_info.address.state","OR")
loJson.UpdateString("shipping_info.address.postal_code","97216")
loJson.UpdateString("shipping_info.address.country_code","US")
loJson.UpdateString("items[0].name","Sutures")
* We are updating the quantity from 100.0 to 200.0
* Note: The UpdateNumber method is added in v9.5.0.65
loJson.UpdateNumber("items[0].quantity","200.0")
loJson.UpdateString("items[0].unit_price.currency","USD")
loJson.UpdateString("items[0].unit_price.value","5.00")
loJson.UpdateString("payment_term.term_type","NET_45")
loJson.UpdateString("payment_term.due_date","2016-12-30 PST")
loJson.UpdateString("note","Medical Invoice 16 Jul, 2013 PST")

* The JSON created by the above code is this:

* 	{ 
* 	  "merchant_info": { 
* 	    "email": "smith-facilitator@chilkatsoft.com",
* 	    "first_name": "Joe",
* 	    "last_name": "Facilitator",
* 	    "business_name": "Medical Professionals, LLC",
* 	    "phone": { 
* 	      "country_code": "001",
* 	      "national_number": "5032141716"
* 	    },
* 	    "address": { 
* 	      "line1": "1234 Main St.",
* 	      "city": "Portland",
* 	      "state": "OR",
* 	      "postal_code": "97217",
* 	      "country_code": "US"
* 	    }
* 	  },
* 	  "billing_info": [
* 	    { 
* 	      "email": "smith-buyer@chilkatsoft.com"
* 	    }
* 	  ],
* 	  "shipping_info": { 
* 	    "first_name": "Sally",
* 	    "last_name": "Patient",
* 	    "business_name": "Not applicable",
* 	    "phone": { 
* 	      "country_code": "001",
* 	      "national_number": "5039871234"
* 	    },
* 	    "address": { 
* 	      "line1": "1234 Broad St.",
* 	      "city": "Portland",
* 	      "state": "OR",
* 	      "postal_code": "97216",
* 	      "country_code": "US"
* 	    }
* 	  },
* 	  "items": [
* 	    { 
* 	      "name": "Sutures",
* 	      "quantity": 200.0,
* 	      "unit_price": { 
* 	        "currency": "USD",
* 	        "value": "5.00"
* 	      }
* 	    }
* 	  ],
* 	  "payment_term": { 
* 	    "term_type": "NET_45",
* 	    "due_date": "2016-12-30 PST"
* 	  },
* 	  "note": "Medical Invoice 16 Jul, 2013 PST"
* 	}

loRest.AddHeader("Authorization",loSbAuth.GetAsString())
loRest.AddHeader("Content-Type","application/json")

lcInvoiceId = "INV2-XV4B-736P-PLVN-SZCE"

loSbPath = CreateObject('Chilkat_9_5_0.StringBuilder')
loSbPath.Append("/v1/invoicing/invoices/")
loSbPath.Append(lcInvoiceId)

* Send the PUT request containign the JSON in the request body, and get the JSON response.
loSbJsonRequest = CreateObject('Chilkat_9_5_0.StringBuilder')
loJson.EmitSb(loSbJsonRequest)
loSbJsonResponse = CreateObject('Chilkat_9_5_0.StringBuilder')
lnSuccess = loRest.FullRequestSb("PUT",loSbPath.GetAsString(),loSbJsonRequest,loSbJsonResponse)
IF (lnSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    RELEASE loJson
    RELEASE loSbPath
    RELEASE loSbJsonRequest
    RELEASE loSbJsonResponse
    CANCEL
ENDIF

loJson.LoadSb(loSbJsonResponse)

? "Response Status Code = " + STR(loRest.ResponseStatusCode)

* Did we get a 200 success response?
IF (loRest.ResponseStatusCode <> 200) THEN
    ? loJson.Emit()
    ? "Failed."
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    RELEASE loJson
    RELEASE loSbPath
    RELEASE loSbJsonRequest
    RELEASE loSbJsonResponse
    CANCEL
ENDIF

* Sample response JSON is shown below.

* Get some information..
? "email: " + loJson.StringOf("merchant_info.email")
? "business_name: " + loJson.StringOf("merchant_info.business_name")

lnNumItems = loJson.SizeOfArray("items")
i = 0
DO WHILE i < lnNumItems
    loJson.I = i
    ? "item name: " + loJson.StringOf("items[i].name")
    ? "item quantity: " + loJson.StringOf("items[i].quantity")
    ? "item currency: " + loJson.StringOf("items[i].unit_price.currency")
    ? "item value: " + loJson.StringOf("items[i].unit_price.value")
    ? "----"
    i = i + 1
ENDDO

? "Success."

RELEASE loJsonToken
RELEASE loSbAuth
RELEASE loRest
RELEASE loJson
RELEASE loSbPath
RELEASE loSbJsonRequest
RELEASE loSbJsonResponse


 

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