# RakutenWebService

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## Installation

Add this line to your application's Gemfile:

```ruby
  gem 'rakuten_web_service'
```

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install rakuten_web_service

## Usage

Now rakuten\_web\_service is supporting the following APIs: 

* [Rakuten Ichiba Item Search API](http://webservice.rakuten.co.jp/api/ichibaitemsearch/)
* [Rakuten Ichiba Genre Search API](http://webservice.rakuten.co.jp/api/ichibagenresearch/)
* [Rakuten Ichiba Ranking API](http://webservice.rakuten.co.jp/api/ichibaitemranking/)

### Configuration

`RakutenWebService.configuration` allows you to specify your application's key called application\_id and your affiliate id(optional). 

```ruby
  RakutenWebService.configuration do |c|
    c.application_id = YOUR_APPLICATION_ID
    c.affiliate_id = YOUR_AFFILIATE_ID
  end
```

### Search Ichiba Items

```ruby
  items = RakutenWebService::Ichiba::Item.search(:keyword => 'Ruby') # This returns Enamerable object
  items.first(10).each do |item|
    puts "#{item['itemName']}, #{item.price} yen" # You can refer to values as well as Hash. 
  end
```

### Genre

Genre class provides an interface to traverse sub genres.

```ruby
  root = RakutenWebService::Ichiba::Genre.root # root genre
  # children returns sub genres
  root.children.each do |child|
    puts "[#{child.id}] #{child.name}"
  end
  
  # Use genre id to fetch genre object
  RakutenWebService::Ichiba::Genre[100316].name # => "水・ソフトドリンク"
```


### Ichiba Item Ranking

```ruby
  RakutenWebService::Ichiba::Item.ranking(:age => 30, :sex => 0) # returns the TOP 30 items for Male in 30s
  RakutenWebService::Ichiba::Genre[100316].ranking # the TOP 30 items in "水・ソフトドリンク" genre
```

## Contributing

1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request