PowerBuilder
PayPal - Show Invoice Details

Shows details for a PayPal invoice, by ID.
Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_JsonToken
oleobject loo_SbAuth
oleobject loo_Rest
integer li_BAutoReconnect
string ls_InvoiceId
oleobject loo_SbPath
oleobject loo_SbJsonResponse
oleobject loo_Json
integer li_NumItems
integer i

li_Success = 0

// Note: Requires Chilkat v9.5.0.64 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)
loo_JsonToken = create oleobject
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_JsonToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_JsonToken.LoadFile("qa_data/tokens/paypal.json")

// Build the Authorization request header field value.
loo_SbAuth = create oleobject
li_rc = loo_SbAuth.ConnectToNewObject("Chilkat.StringBuilder")

// token_type should be "Bearer"
loo_SbAuth.Append(loo_JsonToken.StringOf("token_type"))
loo_SbAuth.Append(" ")
loo_SbAuth.Append(loo_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.
loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")

li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("api.sandbox.paypal.com",443,1,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    return
end if

// ----------------------------------------------------------------------------------------------
// 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..
// ----------------------------------------------------------------------------------------------

loo_Rest.AddHeader("Authorization",loo_SbAuth.GetAsString())

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

loo_SbPath = create oleobject
li_rc = loo_SbPath.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbPath.Append("/v1/invoicing/invoices/")
loo_SbPath.Append(ls_InvoiceId)

// Send the GET request and get the JSON response.
loo_SbJsonResponse = create oleobject
li_rc = loo_SbJsonResponse.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET",loo_SbPath.GetAsString(),loo_SbJsonResponse)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    destroy loo_SbPath
    destroy loo_SbJsonResponse
    return
end if

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.EmitCompact = 0
loo_Json.LoadSb(loo_SbJsonResponse)

Write-Debug "Response Status Code = " + string(loo_Rest.ResponseStatusCode)

// Did we get a 200 success response?
if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug loo_Json.Emit()
    Write-Debug "Failed."
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    destroy loo_SbPath
    destroy loo_SbJsonResponse
    destroy loo_Json
    return
end if

// Sample response JSON is shown below.

// Get some information..
Write-Debug "email: " + loo_Json.StringOf("merchant_info.email")
Write-Debug "business_name: " + loo_Json.StringOf("merchant_info.business_name")

li_NumItems = loo_Json.SizeOfArray("items")
i = 0
do while i < li_NumItems
    loo_Json.I = i
    Write-Debug "item name: " + loo_Json.StringOf("items[i].name")
    Write-Debug "item quantity: " + loo_Json.StringOf("items[i].quantity")
    Write-Debug "item currency: " + loo_Json.StringOf("items[i].unit_price.currency")
    Write-Debug "item value: " + loo_Json.StringOf("items[i].unit_price.value")
    Write-Debug "----"
    i = i + 1
loop

Write-Debug "Success."

// ---------------------------------------------------
// A sample response:

// 	{
// 	  "id": "INV2-XV4B-736P-PLVN-SZCE",
// 	  "number": "0002",
// 	  "template_id": "TEMP-8HS37702UW384535K",
// 	  "status": "DRAFT",
// 	  "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": 100.0,
// 	      "unit_price": {
// 	        "currency": "USD",
// 	        "value": "5.00"
// 	      }
// 	    }
// 	  ],
// 	  "invoice_date": "2016-11-15 PST",
// 	  "payment_term": {
// 	    "term_type": "NET_45",
// 	    "due_date": "2016-12-30 PST"
// 	  },
// 	  "tax_calculated_after_discount": false,
// 	  "tax_inclusive": false,
// 	  "note": "Medical Invoice 16 Jul, 2013 PST",
// 	  "total_amount": {
// 	    "currency": "USD",
// 	    "value": "500.00"
// 	  },
// 	  "metadata": {
// 	    "created_date": "2016-11-15 08:09:21 PST"
// 	  },
// 	  "links": [
// 	    {
// 	      "rel": "self",
// 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
// 	      "method": "GET"
// 	    },
// 	    {
// 	      "rel": "send",
// 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/send",
// 	      "method": "POST"
// 	    },
// 	    {
// 	      "rel": "update",
// 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/update",
// 	      "method": "PUT"
// 	    },
// 	    {
// 	      "rel": "delete",
// 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
// 	      "method": "DELETE"
// 	    }
// 	  ]
// 	}
// 


destroy loo_JsonToken
destroy loo_SbAuth
destroy loo_Rest
destroy loo_SbPath
destroy loo_SbJsonResponse
destroy loo_Json