diff options
Diffstat (limited to 'actionpack/lib')
-rw-r--r-- | actionpack/lib/action_controller/metal/strong_parameters.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 9690f0ca28..0217376ab3 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -660,6 +660,21 @@ module ActionController self end + # Returns a new <tt>ActionController::Parameters</tt> with all keys from + # current hash merged into +other_hash+. + def reverse_merge(other_hash) + new_instance_with_inherited_permitted_status( + other_hash.to_h.merge(@parameters) + ) + end + + # Returns current <tt>ActionController::Parameters</tt> instance with + # current hash merged into +other_hash+. + def reverse_merge!(other_hash) + @parameters.merge!(other_hash.to_h) { |key, left, right| left } + self + end + # This is required by ActiveModel attribute assignment, so that user can # pass +Parameters+ to a mass assignment methods in a model. It should not # matter as we are using +HashWithIndifferentAccess+ internally. |