Returns the plural class name of a record or class. Examples:

plural_class_name(post)             # => "posts"
plural_class_name(Highrise::Person) # => "highrise_people"

Source Code

# File action_controller/record_identifier.rb, line 74
def plural_class_name(record_or_class)
  singular_class_name(record_or_class).pluralize
end