class Fbe::Award::Bill

and generate a human-readable summary of the rewards.
for each award component. It provides methods to calculate total points
This class tracks variables, point values, and explanatory text
A bill class that accumulates points and explanations for rewards.

def greeting

Returns:
  • (String) - A description of the points earned 
def greeting
  items = @lines.map { |l| "#{format('%+d', l[:v])} #{l[:t]}" }
  case items.size
  when 0
    "You've earned nothing. "
  when 1
    "You've earned #{format('%+d', points)} points. "
  else
    "You've earned #{format('%+d', points)} points for this: #{items.join('; ')}. "
  end
end

def initialize

bill = Fbe::Award::Bill.new
@example

Creates a new empty bill. 
def initialize
  @lines = []
  @vars = {}
end

def line(value, text)

Other tags:
    Note: - Zero-valued points are ignored

Returns:
  • (nil) -

Parameters:
  • text (String) -- The explanation for these points
  • value (Integer, Float) -- The point value to add 
def line(value, text)
  return if value.zero?
  text = text.gsub(/\$\{([a-z_0-9]+)\}/) { |_x| @vars[Regexp.last_match[1].to_sym] }
  @lines << { v: value, t: text }
end

def points

Returns:
  • (Integer) - The sum of all point values, rounded to an integer 
def points
  @lines.sum { |l| l[:v] }.to_f.round.to_i
end

def set(var, value)

Returns:
  • (Object) - The assigned value

Parameters:
  • value (Object) -- The value to assign
  • var (Symbol) -- The variable name 
def set(var, value)
  @vars[var] = value
end