(Ruby) Amazon MWS Upload Invoice

Demonstrates how to upload an invoice using _UPLOAD_VAT_INVOICE_FeedType to submit an invoice for an order.

For more information, see https://m.media-amazon.com/images/G/03/B2B/invoice-uploader-developer-documentation.pdf

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

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = Chilkat::CkRest.new()

# Connect to the Amazon MWS REST server.
# 
# Make sure to connect to the correct Amazon MWS Endpoint, otherwise
# you'll get an HTTP 401 response code.
# 
# See Amazon MWS endpoints and MarketplaceId values

bTls = true
port = 443
bAutoReconnect = true
success = rest.Connect("mws.amazonservices.com",port,bTls,bAutoReconnect)

rest.put_Host("mws.amazonservices.com")

# MarketplaceList.Id parameter This should be the marketplace in which the order was placed. Only one marketplace must be used per order.T
# Here are the marketplace ID's
# Spain: A1RKKUPIHCS9HS
# UK: A1F83G8C2ARO7P
# France: A13V1IB3VIYZZH
# Germany: A1PA6795UKMFR9
# Italy: APJ6JRA9NG5V4
# ...
# (See https://docs.developer.amazonservices.com/en_US/dev_guide/DG_Endpoints.html)

# FeedOptions parameter  Seller can input key value pairs to give important metadata along with the PDF invoice.
rest.AddQueryParam("FeedOptions","metadata:orderid=206-2341234-3455465;metadata:invoicenumber=INT-3431-XJE3;metadata:documenttype=Invoice")

# Load the PDF invoice file that is to be the body of the HTTP POST request.
pdfData = Chilkat::CkBinData.new()
success = pdfData.LoadFile("qa_data/pdf/sample.pdf")

# Get the MD5 hash of the PDF data.
crypt = Chilkat::CkCrypt2.new()
crypt.put_HashAlgorithm("md5")
crypt.put_EncodingMode("base64")
md5Hash = crypt.hashBdENC(pdfData)

rest.AddQueryParam("AWSAccessKeyId","0PB842ExampleN4ZTR2")
rest.AddQueryParam("Action","SubmitFeed")
rest.AddQueryParam("FeedType","_UPLOAD_VAT_INVOICE_")
rest.AddQueryParam("MWSAuthToken","EXAMPLE-amzn.mws.4ea38b7b-f563-7709-4bae-87aea-EXAMPLE")

rest.AddQueryParam("MarketplaceIdList.Id.1","ATVExampleDER")
rest.AddQueryParam("SellerId","A1XExample5E6")
rest.AddQueryParam("ContentMD5Value",md5Hash)
rest.AddQueryParam("SignatureMethod","HmacSHA256")
rest.AddQueryParam("SignatureVersion","2")
rest.AddQueryParam("Version","2009-01-01")

# Add the MWS Signature param.  (Also adds the Timestamp parameter using the curent system date/time.)
rest.AddMwsSignature("POST","/Feeds/2009-01-01","mws.amazonservices.com","YOUR_MWS_SECRET_ACCESS_KEY_ID")

rest.AddHeader("Content-Type","application/octet-stream")
sbResponseBody = Chilkat::CkStringBuilder.new()
success = rest.FullRequestBd("POST","/Feeds/2009-01-01",pdfData,sbResponseBody)
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

if (rest.get_ResponseStatusCode() != 200)
    # Examine the request/response to see what happened.
    print "response status code = " + rest.get_ResponseStatusCode().to_s() + "\n";
    print "response status text = " + rest.responseStatusText() + "\n";
    print "response header: " + rest.responseHeader() + "\n";
    print "response body: " + sbResponseBody.getAsString() + "\n";
    print "---" + "\n";
    print "LastRequestStartLine: " + rest.lastRequestStartLine() + "\n";
    print "LastRequestHeader: " + rest.lastRequestHeader() + "\n";
end

# Examine the XML returned in the response body.
print sbResponseBody.getAsString() + "\n";
print "----" + "\n";
print "Success." + "\n";