adds support for product_code

Author: fbatroni

README.md

@@ -178,12 +178,12 @@ This is how you topup a phone in another country.
 
 ### Example:
 
-`idtbeyond_iatu.post_topup "amount", "carrier_code", "country_code", "mobile_number"`
+`idtbeyond_iatu.post_topup "product_code" , amount", "carrier_code", "country_code", "mobile_number"`
 
 ### Request:
 
 ```ruby
-idtbeyond_iatu.post_topup "1000", "Claro", "GT", "50247280123"
+idtbeyond_iatu.post_topup "76560", "1000", "Claro", "GT", "50247280123"
 ```
 
 ### Response:

lib/idtbeyond/services/imtu.rb

@@ -77,9 +77,10 @@ def get_status
         false
       end
 
-      def post_topup(amount, carrier_code, country_code, mobile_number )
+      def post_topup(product_code, amount, carrier_code, country_code, mobile_number )
         client_transaction_id = @app_id + "-" + "%06d" % Random.rand(0..999999)
         response = @conn.post "/v1/iatu/topups", {
+        :product_code => product_code,
         :country_code => country_code,
         :carrier_code => carrier_code,
         :client_transaction_id => client_transaction_id,

spec/imtu_spec.rb

@@ -141,6 +141,7 @@
       stub_request(:post, "https://api.idtbeyond.com/v1/iatu/topups").
       with(
       :body => {
+    "product_code"=>"76560",
     "amount"=>"amount",
     "carrier_code"=>"carrier-code",
     "client_transaction_id"=>/app-id-\d+/,
@@ -156,7 +157,7 @@
     "X-Idt-Beyond-App-Id"=>"app-id",
     "X-Idt-Beyond-App-Key"=>"app-key"}).
       to_return(:status => 200, :body => "{\"success\":true}", :headers => {})
-      response = @idtbeyond.post_topup "amount", "carrier-code", "country-code", "phone-number"
+      response = @idtbeyond.post_topup "76560", "amount", "carrier-code", "country-code", "phone-number"
       expect(response["success"]).to eq(true)
     end
   end