Method: Gogdb::Engine#fetch

Defined in:
lib/gogdb/engine.rb

#fetch(options) ⇒ Object

Downloads data from source and updates database with changes

Parameters:

  • options (Hash) —

    Additional options such as :limit and :type



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# File 'lib/gogdb/engine.rb', line 12

def fetch(options)
  # If user passed type parameter, we need to figure it out which urls we
  # need actually to fetch 
  sources = []
  sources.push(GOG_GAMES_URL) if options[:type] == "games"
  sources.push(GOG_MOVIES_URL) if options[:type] == "movies"
  sources = [GOG_GAMES_URL, GOG_MOVIES_URL] if options[:type] == "all" || options[:type] == nil

  sleep_time = 60 / options[:requestLimit]

  sources.each do |source|
    pages_number = get_pages_number(source)
    @logger.debug "Pages received: #{pages_number}"
    nil if pages_number < 1 # Do nothing if there are no pages

    # Loop through pages
    count = 0;
    catch :limitReached do
      for i in 0..pages_number do
        # Let's get products number and URL's for current page
        items_data = get_data(source)['products']
        items_number = items_data.length
        
        # Loop through products and get data of every one
        for i in 0..items_number do
          item_url = items_data[i]['url']
          item_data = get_data("#{GOG_URL}#{item_url}")['gameProductData']

          @logger.debug "Item received: #{item_data['title']}"

          count += 1
          # Break loop if limit is reached
          throw :limitReached if count >= options[:limit] && options[:limit] != 0
          
          sleep(sleep_time)
        end
      end
    end
  end
end