Class: AmazonProductAdvertisingApi::Operations::BrowseNode::BrowseNodeLookup

Inherits:
AmazonProductAdvertisingApi::Operations::Base::Request show all
Defined in:
lib/amazon_product_advertising_api/operations/browse_node.rb

Overview

A class to represent the BrowseNodeLookup Operation. See AmazonProductAdvertisingApi::Operations::Base::Request for info relating to all Requests.

Constant Summary collapse

REQUEST_PARAMETERS = 
:browse_node_id, :response_group

Constants inherited from AmazonProductAdvertisingApi::Operations::Base::Request

AmazonProductAdvertisingApi::Operations::Base::Request::API_VERSION, AmazonProductAdvertisingApi::Operations::Base::Request::SERVICE_URLS

Instance Attribute Summary

Attributes inherited from AmazonProductAdvertisingApi::Operations::Base::Request

#errors, #hpricot_data, #is_valid, #operation, #raw_data, #region, #request_uri, #response

Instance Method Summary collapse

Methods inherited from AmazonProductAdvertisingApi::Operations::Base::Request

#query_amazon, #run

Constructor Details

#initialize(browse_node_id, region = :uk) ⇒ BrowseNodeLookup

BrowseNodeLookup only requires a browse_node_id to be specified.



15
16
17
18
19
20
21
 
# File 'lib/amazon_product_advertising_api/operations/browse_node.rb', line 15

def initialize(browse_node_id, region = :uk)
  super()

  self.browse_node_id = browse_node_id
  self.operation      = "BrowseNodeLookup"
  self.region         = region
end

Instance Method Details

#parse ⇒ Object

BrowseNode methods return xml consisting of a BrowseNodes tag with several BrowseNode tags inside.



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/amazon_product_advertising_api/operations/browse_node.rb', line 24

def parse
  self.response.add_element("BrowseNodes", AmazonProductAdvertisingApi::Operations::Base::Element.new)

  (self.hpricot_data/'BrowseNodes > BrowseNode').each do |element|
    new_element = AmazonProductAdvertisingApi::Operations::Base::Element.new
    self.response.browse_nodes << new_element

    queue = []
    queue << [new_element, element.containers]
    
    queue.each do |pair|
      current_element  = pair[0]
      current_children = pair[1]
  
      current_children.each do |child|
        if child.containers.size == 0
          current_element.add_element(child.name, child.inner_html)
        else
          if parent_a_container?(child)
             new_element = AmazonProductAdvertisingApi::Operations::Base::Element.new
            current_element << new_element
            queue           << [new_element, child.containers]
          else
            new_element = current_element.add_element(child.name, AmazonProductAdvertisingApi::Operations::Base::Element.new)
            queue << [new_element, child.containers]
          end
        end
      end
    end
  end
end