Class: RsrGroup::Catalog

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

Constant Summary collapse

KEYDEALER_DIR = 
'keydealer'.freeze
INVENTORY_DIR = 
'ftpdownloads'.freeze
INVENTORY_FILENAME = 
'rsrinventory-new.txt'.freeze
KEYDEALER_FILENAME = 
'rsrinventory-keydlr-new.txt'.freeze

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/rsr_group/catalog.rb', line 9

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/rsr_group/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/rsr_group/catalog.rb', line 20

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

      if ftp.nlst.include?(KEYDEALER_DIR)
        ftp.chdir(KEYDEALER_DIR)
        ftp.getbinaryfile(KEYDEALER_FILENAME, csv_tempfile.path)
      else
        ftp.chdir(INVENTORY_DIR)
        ftp.getbinaryfile(INVENTORY_FILENAME, csv_tempfile.path)
      end

      chunker.total_count = File.readlines(csv_tempfile).size

      CSV.readlines(csv_tempfile, col_sep: ';', quote_char: "\x00").to_enum.with_index(1).each do |row, current_line|
        if chunker.is_full?
          yield(chunker.chunk)

          chunker.reset
        elsif chunker.is_complete?
          yield(chunker.chunk)

          break
        else
          chunker.add(process_row(row))
        end
      end
    end

    csv_tempfile.unlink
    ftp.close
  end
end