Ebay_amazon_price_comparison

# Ebay_amazon_price_comparison by Quarkie 2016

require 'rubygems'
require 'vacuum'
require 'csv'
require 'nokogiri'
require 'mechanize'


class Item
  def initialize url
    @url = url
    @price = 0
    puts "Item created"
  end

  def get_url
    @url
  end
end

class EbayItem < Item
  @@store = 'Ebay'
end

class AmazonItem < Item
 @@store = 'Amazon'
end

def csv_read(filename)
  array = []
  CSV.foreach(filename) do |row|
    array.push(row)
  end
  return array
end

def csv_write(filename,array)
  array.each do |row|
    CSV.open(filename, 'w') do |csv_object|
      csv_object << row
    end
  end
end

def amazon_item_lookup(item_id, node)
  request = Vacuum.new
  request.configure(
    aws_access_key_id: 'AKIAISQ2LYG7GJ76BCDA',
    aws_secret_access_key: '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',
    associate_tag: 'tag'
  )
  response = request.item_lookup(
    query: {
      'ItemId' => item_id
    }
  )
  xml_search(response.body, node)
end

def xml_search(content, node="/")
  @doc = Nokogiri::XML(content)
  puts @doc.xpath(node)
  puts node
end

def amazon_browse_node(node_id)
  request = Vacuum.new
  request.configure(
    aws_access_key_id: '',      # !!!!
    aws_secret_access_key: '',  # !!!!!
    associate_tag: 'tag'
  )
  response = request.browse_node_lookup(
    query: {
      'BrowseNodeId' => node_id.to_i
    }
  )
  response.to_h
end

def amazon_item_attributes(doc)
  @body = xml_search(doc, '//xmlns:ItemAttributes')
  @body
end

def ebay_find(keyword, *node)
  url ='http://svcs.ebay.com/services/search/FindingService/v1'
  $headers = {'X-EBAY-SOA-SECURITY-APPNAME' => 'LexQuark-Quarkie-PRD-ebff6a2ad-9a0198d4',  'X-EBAY-SOA-OPERATION-NAME' => 'findItemsAdvanced'   }
  agent = Mechanize.new()
  $agent = ["Linux Firefox","Linux Konqueror","Linux Mozilla", "Mac Mozilla","Mac Safari"]
  agent.user_agent_alias = $agent.sample

  query = '<?xml version="1.0" encoding="UTF-8"?>
  <findItemsAdvancedRequest xmlns="http://www.ebay.com/marketplace/search/v1/services">
    <keywords>' + keyword.to_s + '</keywords>
    <paginationInput>
      <entriesPerPage>20</entriesPerPage>
    </paginationInput>
  </findItemsAdvancedRequest>'

  page = agent.post(url,query,$headers)
  # puts xml_search(page.content, '//xmlns:currentPrice')


  puts xml_search(page.content, '//xmlns:item')
end


#TODO


#puts amazon_item_lookup('B01DFKC2SO', "//xmlns:ASIN")
# puts amazon_item_lookup('B01DFKC2SO', "//xmlns:Item")
#puts amazon_browse_node(549726)
puts ebay_find('B01DFKC2SO')
#amazon  -  item to node_id