Class: Zanders::Inventory

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

Constant Summary collapse

INVENTORY_FILENAME = 
"liveinv.csv"

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

connect, requires!

Constructor Details

#initialize(options = {}) ⇒ Inventory

Returns a new instance of Inventory.



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

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

  @options = options
end

Class Method Details

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



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# File 'lib/zanders/inventory.rb', line 12

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/inventory.rb', line 17

def all(chunk_size, &block)
  connect(@options) do |ftp|
    begin
      csv_tempfile = Tempfile.new

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

      SmarterCSV.process(csv_tempfile, {
        chunk_size: chunk_size,
        convert_values_to_numeric: false,
        key_mapping: {
          available:  :quantity,
          itemnumber: :item_identifier,
          price1:     :price
        }
      }) do |chunk|
        chunk.each do |item|
          item.except!(:qty1, :qty2, :qty3, :price2, :price3)
        end

        yield(chunk)
      end

      csv_tempfile.unlink
    ensure
      ftp.close
    end
  end
end