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require_relative '../../migration_helpers'
module RuboCop
module Cop
module Migration
# Cop that checks if datetime data type is added with timezone information.
class Datetime < RuboCop::Cop::Cop
include MigrationHelpers
MSG = 'Do not use the `%s` data type, use `datetime_with_timezone` instead'.freeze
# Check methods in table creation.
def on_def(node)
return unless in_migration?(node)
node.each_descendant(:send) do |send_node|
method_name = node.children[1]
if method_name == :datetime || method_name == :timestamp
add_offense(send_node, :selector, format(MSG, method_name))
end
end
end
# Check methods.
def on_send(node)
return unless in_migration?(node)
node.each_descendant do |descendant|
next unless descendant.type == :sym
last_argument = descendant.children.last
if last_argument == :datetime || last_argument == :timestamp
add_offense(node, :expression, format(MSG, last_argument))
end
end
end
end
end
end
end
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