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module Runby
# Maps a set of 5K race times with their pre-calculated pace recommendations.
# This is useful in testing as well as defining the fastest and slowest supported 5K times.
# GoldenPaceSet could conceivably be used to pre-compute a large number of recommended paces,
# thus reducing runtime CPU overhead.
class GoldenPaceSet
include Enumerable
attr_reader :paces
# The fastest 5K time supported by RunbyPace
@@FASTEST_5K = :'14:00'
# The slowest 5K time supported by RunbyPace
@@SLOWEST_5K = :'42:00'
# @param [Hash] paces_hash is a hash mapping 5K time symbols to times, represented as strings.
# An example paces_hash is {'14:00':'4:00', '15:00':'4:55'}
def initialize(paces_hash)
@paces = {}
paces_hash.each { |five_k_time, recommended_pace| @paces[five_k_time.to_sym] = Pace.new(recommended_pace) }
end
def each(&block)
@paces.each do |h, v|
block.call(h, v)
end
end
# Returns first/fastest recommended pace in the set
def first
@paces[@@FASTEST_5K]
end
alias :fastest :first
# Return the last/slowest recommended pace in the set
def last
@paces[@@SLOWEST_5K]
end
alias :slowest :last
# Creates and returns a new GoldenPaceSet with only two entries
def self.new_from_endpoints(fastest, slowest)
GoldenPaceSet.new({@@FASTEST_5K => fastest, @@SLOWEST_5K => slowest})
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems