Class: Zanders::Inventory

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

Constant Summary collapse

INVENTORY_FILENAME = 
"liveinv.csv"
DEFAULT_SMART_OPTS = 
{
  convert_values_to_numeric: false,
  key_mapping: {
    available:  :quantity,
    itemnumber: :item_identifier
  },
  remove_unmapped_keys: true
}

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 15

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

  @options = options
end

Class Method Details

.all(chunk_size = 100, options = {}, &block) ⇒ Object 



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# File 'lib/zanders/inventory.rb', line 21

def self.all(chunk_size = 100, options = {}, &block)
  requires!(options, :username, :password)
  new(options).all(chunk_size, &block)
end

.quantity(chunk_size = 100, options = {}, &block) ⇒ Object 



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# File 'lib/zanders/inventory.rb', line 26

def self.quantity(chunk_size = 100, 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 31

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)

      opts = DEFAULT_SMART_OPTS.merge(chunk_size: chunk_size)

      SmarterCSV.process(csv_tempfile, opts) do |chunk|
        yield(chunk)
      end

      csv_tempfile.unlink
    ensure
      ftp.close
    end
  end
end