class RuboCop::Cop::Rails::RelativeDateConstant

This cop checks whether constant value isn't relative date. Because the relative date will be evaluated only once.

@example

# bad
class SomeClass
  EXPIRED_AT = 1.week.since
end

# good
class SomeClass
  def self.expired_at
    1.week.since
  end
end

Constants

MSG

Public Instance Methods

autocorrect(node) click to toggle source
# File lib/rubocop/cop/rails/relative_date_constant.rb, line 56
def autocorrect(node)
  return unless node.casgn_type?

  scope, const_name, value = *node
  return unless scope.nil?

  indent = ' ' * node.loc.column
  new_code = ["def self.#{const_name.downcase}",
              "#{indent}#{value.source}",
              'end'].join("\n#{indent}")
  ->(corrector) { corrector.replace(node.source_range, new_code) }
end
on_casgn(node) click to toggle source
# File lib/rubocop/cop/rails/relative_date_constant.rb, line 27
def on_casgn(node)
  relative_date_assignment?(node) do |method_name|
    add_offense(node, message: format(MSG, method_name: method_name))
  end
end
on_masgn(node) click to toggle source
# File lib/rubocop/cop/rails/relative_date_constant.rb, line 33
def on_masgn(node)
  lhs, rhs = *node

  return unless rhs&.array_type?

  lhs.children.zip(rhs.children).each do |(name, value)|
    next unless name.casgn_type?

    relative_date?(value) do |method_name|
      add_offense(node,
                  location: range_between(name.loc.expression.begin_pos,
                                          value.loc.expression.end_pos),
                  message: format(MSG, method_name: method_name))
    end
  end
end
on_or_asgn(node) click to toggle source
# File lib/rubocop/cop/rails/relative_date_constant.rb, line 50
def on_or_asgn(node)
  relative_date_or_assignment?(node) do |method_name|
    add_offense(node, message: format(MSG, method_name: method_name))
  end
end