class PIM::ItemScopesAttributeFilter

# File pim.rb, line 11140
def self.create match,
                allow: nil,
                deny: nil

  match = ValueFilter.create(match, types: MATCH_TYPES)
  allow = ValueFilter.create(allow, types: PERMISSION_TYPES) unless allow.nil?
  deny = ValueFilter.create(deny, types: PERMISSION_TYPES) unless deny.nil?

  self.new(match: match,
           allow: allow,
           deny: deny)

end

# File pim.rb, line 11175
def as_json
  PIM::Utils.camelize(self.to_h.filter { |k,v| !v.nil? })
end

# File pim.rb, line 11154
def matches? attribute, scope

  # The 'nil' scope matches always!
  return true if scope.nil?

  # Cannot decide, if attributes does not match
  return nil unless match.matches?(attribute)

  # Explicitly allow, if scopes matches allow
  allows = allow.matches?(scope) unless allow.nil?
  return true if allows == true

  # Explicitly deny, if scope matches deny
  denies = deny.matches?(scope) unless deny.nil?
  return false if denies == true

  # Cannot decide, if scope does not match
  return nil

end

# File pim.rb, line 11179
def to_json *args
  as_json.to_json(*args)
end