helper_functions.rb

# Constructs the event name from its code
#
#  event_name('men_march') #=> "Men's Monthly Triathlon"
#  event_name('men_april') #=> "Men's Monthly Triathlon"
#  event_name('ladies_march') #=> "Ladies' Monthly Triathlon"
#  event_name('ladies_april') #=> "Ladies' Monthly Triathlon"
#
#  [Extension: get it to work for any code e.g. men_december or men_xx]
def event_name(event_string)
  if event_string.split('_').first == 'men'
    "Men's Monthly Triathlon"
  else
    "Ladies' Monthly Triathlon"
  end
end

# Constructs the event date from its code
#
#  event_date('men_march') #=> '15/3/2014'
#  event_date('men_april') #=> '15/4/2014'
#  event_date('ladies_march') #=> '15/3/2014'
#  event_date('ladies_april') #=> '15/4/2014'
#
# You can assume the year is 2014 and the triathlon is always on the 15th.
def event_date(event_string)
  if event_string.split('_').last == 'march'
    '15/3/2014'
  else
    '15/4/2014'
  end
end

# Extracts the first name from a full name.
#
#   first_name('Tom Close') #=> 'Tom'
#   first_name('Alan Jones') #=> 'Alan'
#
def first_name(full_name)
  full_name.split.first
end


# Extracts the first name from a full name.
#
#   last_name('Tom Close') #=> 'Close'
#   last_name('Alan Jones') #=> 'Jones'
#
#   [Extension]
#   last_name('Pierre de Fermat') #=> 'de Fermat'
#
def last_name(full_name)
  full_name.split[1..-1].join(" ")
end