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Contents
module Eco::API::UseCases::GraphQL::Helpers::Location
class TagsRemap
class TagsMap
attr_reader :from, :to
def initialize(from, to)
@from = TagsSet.new(from)
@to = TagsSet.new(to)
end
def to_csv_row
[from.to_s, to.to_s]
end
# @note to create a stable sort we assume `self` is a sorted element
def <=>(other)
return -1 if maps? && !other.maps?
return 1 if !maps? && other.maps?
return -1 if rename? && other.move?
return 1 if move? && other.rename?
return -1 if rename? && other.rename?
# both are being moved (specific/long mappings first)
return 1 if from.subset_of?(other.from)
return -1 if from.superset_of?(other.from)
return -1 if (from & other.from).empty?
return -1 if from.length >= other.from.length
return 1 if from.length < other.from.length
-1
end
# @note to create a stable sort we assume `self` is a sorted element
def goes_before?(other)
(self <=> other) == -1
end
# @note to create a stable sort we assume `self` is a sorted element
def goes_after?(other)
(self <=> other) == 1
end
def both?(&block)
[from, to].all?(&block)
end
def any?(&block)
[from, to].any?(&block)
end
def maps?
return false if any?(&:empty?)
return false if from == to
true
end
def rename?
return false unless maps?
both? {|set| set.length == 1}
end
def move?
return false unless maps?
!rename?
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems