(Ruby) PayPal - Show Invoice Details

Shows details for a PayPal invoice, by ID.

See also PayPal Show Invoice Details REST API Reference

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# 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)
jsonToken = Chilkat::CkJsonObject.new()
jsonToken.LoadFile("qa_data/tokens/paypal.json")

# Build the Authorization request header field value.
sbAuth = Chilkat::CkStringBuilder.new()
# 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.
rest = Chilkat::CkRest.new()
bAutoReconnect = true
success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect)
if (success != true)
    print rest.lastErrorText() + "\n";
    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..
# ----------------------------------------------------------------------------------------------

rest.AddHeader("Authorization",sbAuth.getAsString())

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

sbPath = Chilkat::CkStringBuilder.new()
sbPath.Append("/v1/invoicing/invoices/")
sbPath.Append(invoiceId)

# Send the GET request and get the JSON response.
sbJsonResponse = Chilkat::CkStringBuilder.new()
success = rest.FullRequestNoBodySb("GET",sbPath.getAsString(),sbJsonResponse)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

json = Chilkat::CkJsonObject.new()
json.put_EmitCompact(false)
json.LoadSb(sbJsonResponse)

print "Response Status Code = " + rest.get_ResponseStatusCode().to_s() + "\n";

# Did we get a 200 success response?
if (rest.get_ResponseStatusCode() != 200)
    print json.emit() + "\n";
    print "Failed." + "\n";
    exit
end

# Sample response JSON is shown below.

# Get some information..
print "email: " + json.stringOf("merchant_info.email") + "\n";
print "business_name: " + json.stringOf("merchant_info.business_name") + "\n";

numItems = json.SizeOfArray("items")
i = 0
while i < numItems
    json.put_I(i)
    print "item name: " + json.stringOf("items[i].name") + "\n";
    print "item quantity: " + json.stringOf("items[i].quantity") + "\n";
    print "item currency: " + json.stringOf("items[i].unit_price.currency") + "\n";
    print "item value: " + json.stringOf("items[i].unit_price.value") + "\n";
    print "----" + "\n";
    i = i + 1
end

print "Success." + "\n";

# ---------------------------------------------------
# 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"
# 	    }
# 	  ]
# 	}
#