From 80920eeaea6329ba23a772e5ea3f6bbfbdbf5894 Mon Sep 17 00:00:00 2001
From: Yinghai Zhao <zyinghai@gmail.com>
Date: Sun, 15 Jan 2017 00:07:14 -0500
Subject: [PATCH 1/3] Add ItemLookup API.

---
 .../item_lookup.ex                                | 15 +++++++++++++++
 mix.exs                                           |  4 ++--
 2 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 lib/amazon_product_advertising_client/item_lookup.ex

diff --git a/lib/amazon_product_advertising_client/item_lookup.ex b/lib/amazon_product_advertising_client/item_lookup.ex
new file mode 100644
index 0000000..517a175
--- /dev/null
+++ b/lib/amazon_product_advertising_client/item_lookup.ex
@@ -0,0 +1,15 @@
+defmodule AmazonProductAdvertisingClient.ItemLookup do
+  @moduledoc false
+
+  alias __MODULE__
+  alias AmazonProductAdvertisingClient.Config
+  defstruct "Availability": "Available",
+    "ItemId": nil,
+    "Operation": "ItemLookup",
+    "ResponseGroup": "ItemAttributes,Images",
+    "idType": "ASIN"
+
+  def execute(search_params \\ %ItemLookup{}, config \\ %Config{}) do
+    AmazonProductAdvertisingClient.call_api search_params, config
+  end
+end
diff --git a/mix.exs b/mix.exs
index 3ffc660..9a64d7d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -6,8 +6,8 @@ defmodule AmazonProductAdvertisingClient.Mixfile do
      version: "0.1.3",
      elixir: "~> 1.3",
      description: "An Amazon Product Advertising API client for Elixir",
-     package: package,
-     deps: deps]
+     package: package(),
+     deps: deps()]
   end
 
   def application do

From 456fa5fef79c8adf9c5be10475233be7054b3d88 Mon Sep 17 00:00:00 2001
From: Yinghai Zhao <zyinghai@gmail.com>
Date: Sun, 15 Jan 2017 12:27:58 -0500
Subject: [PATCH 2/3] Add ability to configure marketplace host.

---
 lib/amazon_product_advertising_client.ex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/amazon_product_advertising_client.ex b/lib/amazon_product_advertising_client.ex
index fbefbcc..9697e3d 100644
--- a/lib/amazon_product_advertising_client.ex
+++ b/lib/amazon_product_advertising_client.ex
@@ -7,7 +7,8 @@ defmodule AmazonProductAdvertisingClient do
   alias AmazonProductAdvertisingClient.Config
 
   @scheme "http"
-  @host   "webservices.amazon.com"
+  @host    Application.get_env(:amazon_product_advertising_client, :marketplace_host) ||
+    "webservices.amazon.com"
   @path   "/onca/xml"
 
   def call_api(request_params, config \\ %Config{}) do

From 081679b56b0785ab9e80412e217f462974e6d739 Mon Sep 17 00:00:00 2001
From: Yinghai Zhao <zyinghai@gmail.com>
Date: Tue, 17 Jan 2017 22:03:56 -0500
Subject: [PATCH 3/3] Update API parameters and README.

---
 README.md                                            |  5 +++--
 lib/amazon_product_advertising_client.ex             |  3 +--
 lib/amazon_product_advertising_client/item_lookup.ex | 11 +++++++++--
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 5dd6b22..8042d81 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,10 @@ Amazon Product Advertising Client
 # Configure
 Add your AWS authentication credentials to `config/config.exs`:
 
-```
+```elixir
 config :amazon_product_advertising_client,
   associate_tag: "YourAssociateTag",
   aws_access_key_id: "YourAccessKeyID",
-  aws_secret_access_key: "YourSecretAccessKey"
+  aws_secret_access_key: "YourSecretAccessKey",
+  marketplace_host: "webservices.amazon.ca" # If not specified the default value is webservices.amazon.com
 ```
diff --git a/lib/amazon_product_advertising_client.ex b/lib/amazon_product_advertising_client.ex
index 9697e3d..c541cac 100644
--- a/lib/amazon_product_advertising_client.ex
+++ b/lib/amazon_product_advertising_client.ex
@@ -7,8 +7,7 @@ defmodule AmazonProductAdvertisingClient do
   alias AmazonProductAdvertisingClient.Config
 
   @scheme "http"
-  @host    Application.get_env(:amazon_product_advertising_client, :marketplace_host) ||
-    "webservices.amazon.com"
+  @host    Application.get_env(:amazon_product_advertising_client, :marketplace_host, "webservices.amazon.com")
   @path   "/onca/xml"
 
   def call_api(request_params, config \\ %Config{}) do
diff --git a/lib/amazon_product_advertising_client/item_lookup.ex b/lib/amazon_product_advertising_client/item_lookup.ex
index 517a175..f73120a 100644
--- a/lib/amazon_product_advertising_client/item_lookup.ex
+++ b/lib/amazon_product_advertising_client/item_lookup.ex
@@ -3,11 +3,18 @@ defmodule AmazonProductAdvertisingClient.ItemLookup do
 
   alias __MODULE__
   alias AmazonProductAdvertisingClient.Config
-  defstruct "Availability": "Available",
+  defstruct "Condition": "New",
+    "IncludeReviewsSummary": nil,
+    "MerchantId": nil,
     "ItemId": nil,
     "Operation": "ItemLookup",
+    "RelatedItemPage": nil,
+    "RelationshipType": nil,
+    "SearchIndex": nil,
+    "TruncateReviewsAt": nil,
+    "VariationPage": nil,
     "ResponseGroup": "ItemAttributes,Images",
-    "idType": "ASIN"
+    "IdType": "ASIN"
 
   def execute(search_params \\ %ItemLookup{}, config \\ %Config{}) do
     AmazonProductAdvertisingClient.call_api search_params, config