Class: Betfair::Helpers

Inherits:
Object
  • Object
show all
Defined in:
lib/betfair/api.rb

Instance Method Summary collapse

Instance Method Details

#all_markets(markets) ⇒ Object 



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# File 'lib/betfair/api.rb', line 315

def all_markets(markets)
  market_hash = {}
  markets.gsub! '\:', "\0"
  markets = markets.split ":"
  markets.each do |piece|
    piece.gsub! "\0", '\:'
    market_hash[piece.split('~')[0].to_i] = { :market_id            => piece.split('~')[0].to_i,
      :market_name          => piece.split('~')[1].to_s,
      :market_type          => piece.split('~')[2].to_s,
      :market_status        => piece.split('~')[3].to_s,
      # bf returns in this case time in Epoch, but in milliseconds
      :event_date           => Time.at(piece.split('~')[4].to_i/1000),
      :menu_path            => piece.split('~')[5].to_s,
      :event_hierarchy      => piece.split('~')[6].to_s,
      :bet_delay            => piece.split('~')[7].to_s,
      :exchange_id          => piece.split('~')[8].to_i,
      :iso3_country_code    => piece.split('~')[9].to_s,
      # bf returns in this case time in Epoch, but in milliseconds
      :last_refresh         => Time.at(piece.split('~')[10].to_i/1000),
      :number_of_runners    => piece.split('~')[11].to_i,
      :number_of_winners    => piece.split('~')[12].to_i,
      :total_amount_matched => piece.split('~')[13].to_f,
      :bsp_market           => piece.split('~')[14] == 'Y' ? true : false,
      :turning_in_play      => piece.split('~')[15] == 'Y' ? true : false
    } 
  end
  return market_hash
end

#combine(market, prices) ⇒ Object 



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# File 'lib/betfair/api.rb', line 355

def combine(market, prices)
  market = details(market)            
  prices = prices(prices)
  market[:runners].each do |runner|
    runner.merge!( { :market_id => market[:market_id] } )
    runner.merge!( { :market_type_id => market[:market_type_id] } )
    runner.merge!(price_string(prices[runner[:runner_id]]))
  end
end

#details(market) ⇒ Object 



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# File 'lib/betfair/api.rb', line 365

def details(market)
  runners = []
  market[:runners][:runner].each { |runner| runners << { :runner_id => runner[:selection_id].to_i, :runner_name => runner[:name] } }
  return { :market_id => market[:market_id].to_i, :market_type_id => market[:event_type_id].to_i, :runners => runners }
end

#market_info(details) ⇒ Object 



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# File 'lib/betfair/api.rb', line 344

def market_info(details)
  { :exchange_id => nil,
    :market_type_id => nil,
    :market_matched => nil,
    :menu_path => details[:menu_path], 
    :market_id => details[:market_id], 
    :market_name => details[:name],
    :market_type_name => details[:menu_path].to_s.split('\\')[1]
  }
end

#price_string(string, prices_only = false) ⇒ Object 



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# File 'lib/betfair/api.rb', line 439

def price_string(string, prices_only = false)
  string_raw = string
  string = string.split('|')

  price = { :prices_string => nil, :runner_matched => 0, :last_back_price => 0, :wom => 0, 
    :b1 => 0, :b1_available => 0, :b2 => 0, :b2_available => 0, :b3 => 0, :b3_available => 0,
    :l1 => 0, :l1_available => 0, :l2 => 0, :l2_available => 0, :l3 => 0, :l3_available => 0 
  }    			

  if !string[0].nil? and !prices_only
    str = string[0].split('~')	
    price[:prices_string] = string_raw
    price[:runner_matched] = str[2].to_f
    price[:last_back_price]   = str[3].to_f
  end

  # Get the b prices (which are actually the l prices)
  if !string[1].nil?
    b = string[1].split('~')	
    price[:b1]             = b[0].to_f if !b[0].nil?
    price[:b1_available]   = b[1].to_f if !b[1].nil?
    price[:b2]             = b[4].to_f if !b[5].nil?
    price[:b2_available]   = b[5].to_f if !b[6].nil?
    price[:b3]             = b[8].to_f if !b[8].nil?
    price[:b3_available]   = b[9].to_f if !b[9].nil?  				 				
    combined_b = price[:b1_available] + price[:b2_available] + price[:b3_available]
  end				

  # Get the l prices (which are actually the l prices)
  if !string[2].nil?
    l = string[2].split('~')
    price[:l1]             = l[0].to_f if !l[0].nil?
    price[:l1_available]   = l[1].to_f if !l[1].nil?
    price[:l2]             = l[4].to_f if !l[4].nil?
    price[:l2_available]   = l[5].to_f if !l[5].nil?
    price[:l3]             = l[8].to_f if !l[8].nil?
    price[:l3_available]   = l[9].to_f if !l[9].nil?  				  				
    combined_l = price[:l1_available] + price[:l2_available] + price[:l3_available]
  end			

  price[:wom] = combined_b / ( combined_b + combined_l ) unless combined_b.nil? or combined_l.nil?

  return price			  		
end

#prices(prices) ⇒ Object 



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# File 'lib/betfair/api.rb', line 371

def prices(prices)
  price_hash = {}					
  prices.gsub! '\:', "\0"
  pieces = prices.split ":"
  pieces.each do |piece|
    piece.gsub! "\0", '\:'
    price_hash[piece.split('~')[0].to_i] = piece
  end
  return price_hash
end

#prices_complete(prices) ⇒ Object

Complete representation of market price data response, except “removed runners” which is returned as raw string.



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# File 'lib/betfair/api.rb', line 388

def prices_complete(prices)
  aux_hash   = {}
  price_hash = {}         

  prices.gsub! '\:', "\0"
  pieces = prices.split ":"

  # parsing first the auxiliary price info
  aux = pieces.first
  aux.gsub! "\0", '\:'
  aux_hash =   {  :market_id            => aux.split('~')[0].to_i,
    :currency             => aux.split('~')[1].to_s,
    :market_status        => aux.split('~')[2].to_s,
    :in_play_delay        => aux.split('~')[3].to_i,
    :number_of_winners    => aux.split('~')[4].to_i,
    :market_information   => aux.split('~')[5].to_s,
    :discount_allowed     => aux.split('~')[6] == 'true' ? true : false,
    :market_base_rate     => aux.split('~')[7].to_s,
    :refresh_time_in_milliseconds => aux.split('~')[8].to_i,
    :removed_runners      => aux.split('~')[9].to_s,
    :bsp_market           => aux.split('~')[10] == 'Y' ? true : false
  }

  # now iterating over the prices excluding the first piece that we already parsed above 
  pieces[1..-1].each do |piece|
    piece.gsub! "\0", '\:'

    # using the selection_id as hash key
    price_hash_key = piece.split('~')[0].to_i

    price_hash[price_hash_key] = {  :selection_id         => piece.split('~')[0].to_i,
      :order_index          => piece.split('~')[1].to_i,
      :total_amount_matched => piece.split('~')[2].to_f,
      :last_price_matched   => piece.split('~')[3].to_f,
      :handicap             => piece.split('~')[4].to_f,
      :reduction_factor     => piece.split('~')[5].to_f,
      :vacant               => piece.split('~')[6] == 'true' ? true : false,
      :far_sp_price         => piece.split('~')[7].to_f,
      :near_sp_price        => piece.split('~')[8].to_f,
      :actual_sp_price      => piece.split('~')[9].to_f                           
    }

    # merge lay and back prices into price_hash
    price_hash[price_hash_key].merge!(price_string(piece, true))
  end

  price_hash.merge!(aux_hash)

  return price_hash
end