Class: Ytterb::StockSymbol::MarketLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/ytterb/stock_symbol/market_loader.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ MarketLoader

Returns a new instance of MarketLoader.



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# File 'lib/ytterb/stock_symbol/market_loader.rb', line 7

def initialize(options={})
  @stock_symbols = []
  path = Util::Settings.new.get_raw_symbol_list_data_dir
  i=1
  Dir.entries(path).select {|f| !File.directory?(f) and /companylist_[a-zA-Z]+\.csv/ =~ f }.each do |file_to_process|
    market = /companylist_(?<market>[a-zA-Z]+)\.csv/.match(file_to_process)[:market]
    Stock.builder_from_csv(File.join(path,file_to_process),market) do |stock_symbol|
      if options[:with_feedback]
        print "."
        print "#{i}\n" if (i%80==0)
        i+=1
      end
      @stock_symbols << stock_symbol
    end
  end
  print "\n" if options[:with_feedback]
end

Instance Method Details

#industries ⇒ Object 



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# File 'lib/ytterb/stock_symbol/market_loader.rb', line 25

def industries
  return @industries if @industries
  @raw_industries = {}
  @stock_symbols.each do |stock_symbol|
    @raw_industries[stock_symbol.industry] = 1
  end
  @industries = @raw_industries.keys
end

#sectors ⇒ Object 



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# File 'lib/ytterb/stock_symbol/market_loader.rb', line 34

def sectors
  return @sectors if @sectors
  @raw_sectors = {}
  @stock_symbols.each do |stock_symbol|
    @raw_sectors[stock_symbol.sector] = 1
  end
  @sectors = @raw_sectors.keys
end

#stock_symbols ⇒ Object 



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# File 'lib/ytterb/stock_symbol/market_loader.rb', line 43

def stock_symbols
  @stock_symbols
end