diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal')
| -rw-r--r-- | actionpack/lib/action_controller/metal/conditional_get.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb index 28f0b6e349..858870d8b8 100644 --- a/actionpack/lib/action_controller/metal/conditional_get.rb +++ b/actionpack/lib/action_controller/metal/conditional_get.rb @@ -215,6 +215,24 @@ module ActionController response.cache_control.replace(:no_cache => true) end + # Cache or yield the block. The cache is supposed to never expire. + # + # You can use this method when you have a HTTP response that never changes, + # and the browser and proxies should cache it indefinitely. + # + # * +public+: By default, HTTP responses are private, cached only on the + # user's web browser. To allow proxies to cache the response, set +true+ to + # indicate that they can serve the cached response to all users. + # + # * +version+: the version passed as a key for the cache. + def http_cache_forever(public: false, version: 'v1') + expires_in 100.years, public: public + + yield if stale?(etag: "#{version}-#{request.fullpath}", + last_modified: Time.parse('2011-01-01').utc, + public: public) + end + private def combine_etags(options) etags = etaggers.map { |etagger| instance_exec(options, &etagger) }.compact |