Refactoring: fix some style issues

lib/rakuten_web_service/recipe/category.rb

@@ -37,7 +37,9 @@ def ranking
 
       def parent_category
         return nil if parent_category_type.nil?
-        Recipe.categories(parent_category_type).find { |c| c.id.to_i == parent_category_id.to_i }
+        Recipe.categories(parent_category_type).find do |c|
+          c.id.to_i == parent_category_id.to_i
+        end
       end
 
       def absolute_category_id

lib/rakuten_web_service/search_result.rb

@@ -43,20 +43,19 @@ def params_to_get_next_page
 
     def order(options)
       new_params = params.dup
-      if options.is_a? Hash
-        key, sort_order = *options.to_a.last
-        key = key.to_s.to_camel
-        new_params[:sort] = case sort_order.to_s.downcase
-                            when 'desc'
-                              "-#{key}"
-                            when 'asc'
-                              "+#{key}"
-                            end
-      elsif options.to_s == 'standard'
+      if options.to_s == 'standard'
         new_params[:sort] = 'standard'
-      else
+        return self.class.new(new_params, @resource_class)
+      end
+      unless options.is_a? Hash
         raise ArgumentError, "Invalid Sort Option: #{options.inspect}"
       end
+
+      key, sort_order = *options.to_a.last
+      case sort_order.to_s.downcase
+      when 'desc' then new_params[:sort] = "-#{key}".to_camel
+      when 'asc' then new_params[:sort] = "+#{key}".to_camel
+      end
       self.class.new(new_params, @resource_class)
     end
 

lib/rakuten_web_service/travel/area_class.rb

@@ -10,9 +10,9 @@ def search(options = {})
       end
 
       def [](class_code)
-        LargeClass[class_code] or
-          MiddleClass[class_code] or
-          SmallClass[class_code] or
+        LargeClass[class_code] ||
+          MiddleClass[class_code] ||
+          SmallClass[class_code] ||
           DetailClass[class_code]
       end
       module_function :search, :[]