diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/flash.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/flash.rb | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/flash.rb b/actionpack/lib/action_dispatch/middleware/flash.rb index a7f95150a4..59639a010e 100644 --- a/actionpack/lib/action_dispatch/middleware/flash.rb +++ b/actionpack/lib/action_dispatch/middleware/flash.rb @@ -80,24 +80,30 @@ module ActionDispatch include Enumerable def self.from_session_value(value) #:nodoc: - flash = case value - when FlashHash # Rails 3.1, 3.2 - new(value.instance_variable_get(:@flashes), value.instance_variable_get(:@used)) - when Hash # Rails 4.0 - new(value['flashes'], value['discard']) - else - new - end - - flash.tap(&:sweep) - end - - # Builds a hash containing the discarded values and the hashes - # representing the flashes. - # If there are no values in @flashes, returns nil. + case value + when FlashHash # Rails 3.1, 3.2 + flashes = value.instance_variable_get(:@flashes) + if discard = value.instance_variable_get(:@used) + flashes.except!(*discard) + end + new(flashes, flashes.keys) + when Hash # Rails 4.0 + flashes = value['flashes'] + if discard = value['discard'] + flashes.except!(*discard) + end + new(flashes, flashes.keys) + else + new + end + end + + # Builds a hash containing the flashes to keep for the next request. + # If there are none to keep, returns nil. def to_session_value #:nodoc: - return nil if empty? - {'discard' => @discard.to_a, 'flashes' => @flashes} + flashes_to_keep = @flashes.except(*@discard) + return nil if flashes_to_keep.empty? + {'flashes' => flashes_to_keep} end def initialize(flashes = {}, discard = []) #:nodoc: |