class RuboCop::Cop::Rails::CreateTableWithTimestamps

end
t.datetime :updated_at, default: -> { ‘CURRENT_TIMESTAMP’ }
t.string :email
t.string :name
create_table :users do |t|
# good
end
t.datetime :created_at, default: -> { ‘CURRENT_TIMESTAMP’ }
t.string :email
t.string :name
create_table :users do |t|
# good
end
t.timestamps
t.string :email
t.string :name
create_table :users do |t|
# good
end
t.string :email
t.string :name
create_table :users do |t|
# bad
create_table :users
# bad
@example
In many cases, timestamps are useful information and should be added.
when creating a new table.
This cop checks the migration for which timestamps are not included

def on_send(node) 

def on_send(node)
  return unless node.command?(:create_table)
  parent = node.parent
  if create_table_with_block?(parent)
    if parent.body.nil? || !time_columns_included?(parent.body)
      add_offense(parent)
    end
  elsif create_table_with_timestamps_proc?(node)
    # nothing to do
  else
    add_offense(node)
  end
end

def time_columns_included?(node) 

def time_columns_included?(node)
  timestamps_included?(node) || created_at_or_updated_at_included?(node)
end