Class: Zanders::Catalog

Inherits:
Base
  • Object
show all
Defined in:
lib/zanders/catalog.rb

Constant Summary collapse

CATALOG_FILENAME = 
"zandersinv.xml"

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

connect

Constructor Details

#initialize(options = {}) ⇒ Catalog

Returns a new instance of Catalog.



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# File 'lib/zanders/catalog.rb', line 6

def initialize(options = {})
  requires!(options, :username, :password)
  @options = options

  if options[:full_product].present?
    self.load_descriptions
  end
end

Class Method Details

.all(chunk_size = 15, options = {}, &block) ⇒ Object 



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# File 'lib/zanders/catalog.rb', line 15

def self.all(chunk_size = 15, options = {}, &block)
  requires!(options, :username, :password)
  new(options).all(chunk_size, &block)
end

Instance Method Details

#all(chunk_size, &block) ⇒ Object 



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# File 'lib/zanders/catalog.rb', line 20

def all(chunk_size, &block)
  chunker = Zanders::Chunker.new(chunk_size)

  connect(@options) do |ftp|
    begin
      csv_tempfile = Tempfile.new

      ftp.chdir(Zanders.config.ftp_directory)
      ftp.getbinaryfile(CATALOG_FILENAME, csv_tempfile.path)

      xml_doc = Nokogiri::XML(csv_tempfile)

      xml_doc.xpath("//ZandersDataOut").each do |item|
        if chunker.is_full?
          yield(chunker.chunk)

          chunker.reset!
        else
          chunker.add(map_hash(item, @options[:full_product].present?))
        end
      end

      if chunker.chunk.count > 0
        yield(chunker.chunk)
      end

      csv_tempfile.unlink
    ensure
      ftp.close
    end
  end
end