-class UserSweeper < ActionController::Caching::Sweeper
- observe User
-
- def before_update(record)
- expire_cache_for(User.find(record.id), record)
- end
-
- def before_destroy(record)
- expire_cache_for(record, nil)
- end
-
-private
-
- def expire_cache_for(old_record, new_record)
- if old_record and
- (new_record.nil? or
- old_record.visible? != new_record.visible? or
- old_record.display_name != new_record.display_name or
- old_record.image.fingerprint != new_record.image.fingerprint)
- old_record.diary_entries.each do |entry|
- expire_action(:controller => 'diary_entry', :action => 'view', :display_name => old_record.display_name, :id => entry.id)
- expire_action(:controller => 'diary_entry', :action => 'list', :language => entry.language_code, :display_name => nil)
- expire_action(:controller => 'diary_entry', :action => 'rss', :format => :rss, :language => entry.language_code, :display_name => nil)
- end
-
- old_record.diary_comments.each do |comment|
- expire_action(:controller => 'diary_entry', :action => 'view', :display_name => comment.diary_entry.user.display_name, :id => comment.diary_entry.id)
- end
-
- expire_action(:controller => 'diary_entry', :action => 'list', :language => nil, :display_name => nil)
- expire_action(:controller => 'diary_entry', :action => 'list', :language => nil, :display_name => old_record.display_name)
-
- expire_action(:controller => 'diary_entry', :action => 'rss', :format => :rss, :language => nil, :display_name => nil)
- expire_action(:controller => 'diary_entry', :action => 'rss', :format => :rss, :language => nil, :display_name => old_record.display_name)
-
- old_record.traces.each do |trace|
- expire_action(:controller => 'trace', :action => 'view', :display_name => old_record.display_name, :id => trace.id)
-
- trace.tags.each do |tag|
- expire_action(:controller => 'trace', :action => 'list', :display_name => nil, :tag => tag.tag)
- expire_action(:controller => 'trace', :action => 'list', :display_name => old_record.display_name, :tag => tag.tag)
-
- expire_action(:controller => 'trace', :action => 'georss', :display_name => nil, :tag => tag.tag)
- expire_action(:controller => 'trace', :action => 'georss', :display_name => old_record.display_name, :tag => tag.tag)
- end
- end
-
- expire_action(:controller => 'trace', :action => 'list', :display_name => nil, :tag => nil)
- expire_action(:controller => 'trace', :action => 'list', :display_name => old_record.display_name, :tag => nil)
-
- expire_action(:controller => 'trace', :action => 'georss', :display_name => nil, :tag => nil)
- expire_action(:controller => 'trace', :action => 'georss', :display_name => old_record.display_name, :tag => nil)
- end
- end
-end