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Contents
module Picky
module Query
class Combination
# Pretends to be a combination.
#
# TODO Rework completely and document.
#
class Or < Combination
def initialize combinations
@combinations = combinations
end
# Returns the combination's category name.
# Used in boosting.
#
def category_name
@category_name ||= @combinations.map(&:category_name).join('|').intern
end
# Returns the total (?) weight of its combinations.
#
# Note: Caching is most of the time useful.
#
def weight
@weight ||= @combinations.inject(0) do |sum, combination|
sum + combination.weight
end
end
# Returns an array of ids from its combinations.
#
# Note: Caching is most of the time useful.
#
def ids
@ids ||= @combinations.inject([]) do |total, combination|
total + combination.ids
end.uniq
end
def identifier
@identifier ||= "#{@combinations.map(&:bundle).map(&:identifier).join('|')}:inverted:#{token.text}"
end
def to_result
results = @combinations.map &:to_result
[*@combinations.map(&:to_result).transpose.map! { |thing| thing.join('|') }]
end
end
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems