diff options
Diffstat (limited to 'actionpack/lib/action_controller/record_identifier.rb')
| -rw-r--r-- | actionpack/lib/action_controller/record_identifier.rb | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/actionpack/lib/action_controller/record_identifier.rb b/actionpack/lib/action_controller/record_identifier.rb index 907c369218..d20c3b64c5 100644 --- a/actionpack/lib/action_controller/record_identifier.rb +++ b/actionpack/lib/action_controller/record_identifier.rb @@ -1,7 +1,7 @@ require 'active_support/core_ext/module' module ActionController - # The record identifier encapsulates a number of naming conventions for dealing with records, like Active Records or + # The record identifier encapsulates a number of naming conventions for dealing with records, like Active Records or # Active Resources or pretty much any other model type that has an id. These patterns are then used to try elevate # the view actions to a higher logical level. Example: # @@ -28,7 +28,7 @@ module ActionController # end # # As the example above shows, you can stop caring to a large extent what the actual id of the post is. You just know - # that one is being assigned and that the subsequent calls in redirect_to and the RJS expect that same naming + # that one is being assigned and that the subsequent calls in redirect_to and the RJS expect that same naming # convention and allows you to write less code if you follow it. module RecordIdentifier extend self @@ -59,7 +59,7 @@ module ActionController # If you need to address multiple instances of the same class in the same view, you can prefix the dom_id: # # dom_id(Post.find(45), :edit) # => "edit_post_45" - def dom_id(record, prefix = nil) + def dom_id(record, prefix = nil) if record_id = record_key_for_dom_id(record) "#{dom_class(record, prefix)}#{JOIN}#{record_id}" else @@ -102,6 +102,14 @@ module ActionController model_name_from_record_or_class(record_or_class).singular end + # Identifies whether the class name of a record or class is uncountable. Examples: + # + # uncountable?(Sheep) # => true + # uncountable?(Post) => false + def uncountable?(record_or_class) + plural_class_name(record_or_class) == singular_class_name(record_or_class) + end + private def model_name_from_record_or_class(record_or_class) (record_or_class.is_a?(Class) ? record_or_class : record_or_class.class).model_name |