diff options
Diffstat (limited to 'actionpack/lib/action_view')
| -rw-r--r-- | actionpack/lib/action_view/helpers/cache_helper.rb | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/actionpack/lib/action_view/helpers/cache_helper.rb b/actionpack/lib/action_view/helpers/cache_helper.rb index 8693f4f0e4..932a5fa65a 100644 --- a/actionpack/lib/action_view/helpers/cache_helper.rb +++ b/actionpack/lib/action_view/helpers/cache_helper.rb @@ -110,15 +110,8 @@ module ActionView # <%= some_helper_method(person) %> # # Now all you'll have to do is change that timestamp when the helper method changes. - # - # ==== Conditional caching - # - # You can pass :if and :unless options, to conditionally perform or skip the cache. - # - # <%= cache @model, if: some_condition(@model) do %> - # def cache(name = {}, options = nil, &block) - if controller.perform_caching && conditions_match?(options) + if controller.perform_caching safe_concat(fragment_for(cache_fragment_name(name, options), options, &block)) else yield @@ -127,6 +120,29 @@ module ActionView nil end + #Chache fragments of a view if +condition+ is true + # + #=== Example + # <%= cache_if admin?, project do %> + # <b>All the topics on this project</b> + # <%= render project.topics %> + # <% end %> + def cache_if(condition, name = {}, options = nil, &block) + if condition + cache(name, options, &block) + else + yield + end + + nil + end + + #Chache fragments of a view unless +condition+ is true + #(see +cache_if+ for a example) + def cache_unless(condition, name = {}, options = nil, &block) + cache_if !condition, name, options, &block + end + # This helper returns the name of a cache key for a given fragment cache # call. By supplying skip_digest: true to cache, the digestion of cache # fragments can be manually bypassed. This is useful when cache fragments @@ -144,10 +160,6 @@ module ActionView private - def conditions_match?(options) - !(options && (!options.fetch(:if, true) || options.fetch(:unless, false))) - end - def fragment_name_with_digest(name) #:nodoc: if @virtual_path [ |