Module: Merb::Cache::ControllerClassMethods

Included in:
Merb::Controller
Defined in:
lib/merb-cache/cache-action.rb,
lib/merb-cache/cache-page.rb

Instance Method Summary collapse

Instance Method Details

#cache_action(action, from_now = nil, opts = {}) ⇒ Object

Register the action for action caching

Parameters

action<Symbol>

The name of the action to register

from_now<~minutes>

The number of minutes (from now) the cache should persist

Examples

cache_action :mostly_static
cache_action :barely_dynamic, 10



19
20
21
 
# File 'lib/merb-cache/cache-action.rb', line 19

def cache_action(action, from_now = nil, opts = {})
  cache_actions([action, from_now, opts])
end

#cache_actions(*actions) ⇒ Object

Register actions for action caching (before and after filters)

Parameter

actions<Symbol,Array>

See #cache_action

Example

cache_actions :mostly_static, [:barely_dynamic, 10]



30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/merb-cache/cache-action.rb', line 30

def cache_actions(*actions)
  actions.each do |action, from_now, opts|
    from_now, opts = nil, from_now if Hash === from_now
    
    before("cache_#{action}_before", opts.merge(:only => action))
    after("cache_#{action}_after", opts.merge(:only => action))
    alias_method "cache_#{action}_before", :cache_action_before
    alias_method "cache_#{action}_after", :cache_action_after
    
    _actions = Merb::Cache.cached_actions[controller_name] ||= {}
    _actions[action] = from_now
  end
  true
end

#cache_page(action, from_now = nil) ⇒ Object

Register the action for page caching

Parameters

action<Symbol>

The name of the action to register

from_now<~minutes>

The number of minutes (from now) the cache should persist

Examples

cache_page :mostly_static
cache_page :barely_dynamic, 10



20
21
22
 
# File 'lib/merb-cache/cache-page.rb', line 20

def cache_page(action, from_now = nil)
  cache_pages([action, from_now])
end

#cache_pages(*pages) ⇒ Object

Register actions for page caching (before and after filters)

Parameter

pages<Symbol,Array>

See #cache_page

Example

cache_pages :mostly_static, [:barely_dynamic, 10]



31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/merb-cache/cache-page.rb', line 31

def cache_pages(*pages)
  if pages.any? && !Merb::Cache.cached_pages.key?(controller_name)
    before(:cache_page_before)
    after(:cache_page_after)
  end
  pages.each do |action, from_now|
    _pages = Merb::Cache.cached_pages[controller_name] ||= {}
    _pages[action] = [from_now, 0]
  end
  true
end