Class: Handcuffs::Phases

Inherits:
Object
  • Object
show all
Defined in:
lib/handcuffs/phases.rb

Overview

Phases encapsulates the list of phases and any interdependencies

Instance Method Summary collapse

Constructor Details

#initialize(phases) ⇒ Phases

Returns a new instance of Phases.



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# File 'lib/handcuffs/phases.rb', line 8

def initialize(phases)
  @phases = case phases
            when Hash
              phases.each_with_object({}) do |phase, acc|
                acc[phase[0].to_sym] = Array(phase[1]).map(&:to_sym)
              end
            else
              # Assume each entry depends on all entries before it
              phases.map(&:to_sym).each_with_object({}) do |phase, acc|
                acc[phase] = phases.take_while { |defined_phase| defined_phase != phase }
              end
            end
end

Instance Method Details

#in_order ⇒ Object 



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# File 'lib/handcuffs/phases.rb', line 30

def in_order
  TSort.tsort(
    @phases.method(:each_key),
    ->(phase, &block) { @phases.fetch(phase).each(&block) }
  )
end

#include?(phase) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/handcuffs/phases.rb', line 26

def include?(phase)
  @phases.include?(phase)
end

#prereqs(attempted_phase) ⇒ Object 



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# File 'lib/handcuffs/phases.rb', line 37

def prereqs(attempted_phase)
  @phases.fetch(attempted_phase, [])
end

#to_sentence ⇒ Object 



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# File 'lib/handcuffs/phases.rb', line 22

def to_sentence
  @phases.keys.to_sentence
end