Module: ActionController::Caching::Pages::ClassMethods

Defined in:
lib/action_controller/caching.rb

Instance Method Summary collapse

Instance Method Details

#cache_page(content, path) ⇒ Object

Manually cache the content in the key determined by path. Example:

cache_page "I'm the cached content", "/lists/show"



75
76
77
78
79
80
 
# File 'lib/action_controller/caching.rb', line 75

def cache_page(content, path)
  return unless perform_caching
  FileUtils.makedirs(File.dirname(page_cache_path(path)))
  File.open(page_cache_path(path), "w+") { |f| f.write(content) }
  logger.info "Cached page: #{path}" unless logger.nil?
end

#caches_page(*actions) ⇒ Object

Caches the actions using the page-caching approach that’ll store the cache in a path within the page_cache_directory that matches the triggering url.



84
85
86
87
88
89
 
# File 'lib/action_controller/caching.rb', line 84

def caches_page(*actions)
  return unless perform_caching
  actions.each do |action| 
    class_eval "after_filter { |c| c.cache_page if c.action_name == '#{action}' }"
  end
end

#expire_page(path) ⇒ Object

Expires the page that was cached with the path as a key. Example:

expire_page "/lists/show"



67
68
69
70
71
 
# File 'lib/action_controller/caching.rb', line 67

def expire_page(path)
  return unless perform_caching
  File.delete(page_cache_path(path)) if File.exists?(page_cache_path(path))
  logger.info "Expired page: #{path}" unless logger.nil?
end