Module: GameFaqs::Search

Extended by:
Caching
Defined in:
lib/gamefaqs/search.rb

Defined Under Namespace

Classes: SearchException

Class Method Summary collapse

Class Method Details

.game(game_name, platform, options = {:refresh => false, :whiny => false}) ⇒ Object

Find a game by it’s name on a certain platform (by name or Platform instance). Per default it returns nil when no game could be found, or if there are multiple matches Throws a detailed SearchError with help when no exact match is found (only when :whiny => true)



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# File 'lib/gamefaqs/search.rb', line 10

def game(game_name, platform, options={:refresh => false, :whiny => false})
  cached_value("search-#{game_name.to_s.downcase} [#{platform.to_s.downcase}]", nil, options[:refresh]) do
    platform = self.platform(platform) unless platform.is_a?(Platform)
    games = []
    doc = Hpricot(open("#{SEARCH_URL}#{add_params(game_name, platform)}"))
    doc.search("//div.head/h1") do |h1|
      if h1.inner_html =~ /Best Matches/
        h1.search("../../div.body/table") do |table|
          table.search("tr/td/a") do |a|
            if a.inner_html =~ /#{game_name.split(' ').join('.*')}/i
              games << Game.new(a.inner_html.strip, platform, GameFaqs.extract_id(a['href']))
            end
          end
        end
      end
    end
  
    case games.size
    when 1
      games.first
    when 0
      raise SearchException.new("Could not find a game containing the string \"#{game_name}\" on platform \"#{platform}\"!") if options[:whiny ]
      nil
    else
      raise SearchException.new("Found more than one game containing the string \"#{game_name}\": #{games.join(', ')}") if options[:whiny ]
      nil
    end
  end
end

.platform(platform_name, options = {:whiny => false}) ⇒ Object

Find a platform by name Per default it returns nil when no platform could be found, or if there are multiple matches Throws a detailed SearchError with help when no exact match is found (only when :whiny => true)



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# File 'lib/gamefaqs/search.rb', line 43

def platform(platform_name, options={:whiny => false})
  # get by full name (case insensitive)
  names = List.platforms.select { |p| p.name.downcase == platform_name.downcase }
  # find other similar if not found exactly one before
  names = List.platforms.select{|p| p.name =~ /#{platform_name.split(' ').join('.*')}/i} if names.size != 1
  # if still nothing it is probably if you searched for "n64".
  if names.size != 1
    platform_regexp = ""
    platform_name.each_byte { |byte| platform_regexp << byte.chr << ".*" }
    names = List.platforms.select{ |p| p.name =~ /#{platform_regexp}/i }
  end
  
  case names.size
  when 1
    names.first
  when 0
    raise SearchException.new("Could not find a platform containing the string \"#{platform_name}\"!") if options[:whiny]
    nil
  else
    raise SearchException.new("Found more than one platform containing the string \"#{platform_name}\": #{names.join(', ')}") if options[:whiny]
    nil
  end
end