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module Unleash
class Constraint
attr_accessor :context_name, :operator, :values
VALID_OPERATORS = ['IN', 'NOT_IN'].freeze
def initialize(context_name, operator, values = [])
raise ArgumentError, "context_name is not a String" unless context_name.is_a?(String)
raise ArgumentError, "operator does not hold a valid value:" + VALID_OPERATORS unless VALID_OPERATORS.include? operator
raise ArgumentError, "values does not hold an Array" unless values.is_a?(Array)
self.context_name = context_name
self.operator = operator
self.values = values
end
def matches_context?(context)
Unleash.logger.debug "Unleash::Constraint matches_context? values: #{self.values} context.get_by_name(#{self.context_name})" \
" #{context.get_by_name(self.context_name)} "
is_included = self.values.include? context.get_by_name(self.context_name)
operator == 'IN' ? is_included : !is_included
end
end
end
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