Class: Cache

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/cache.rb

Class Method Summary collapse

Class Method Details

.sweep(hash) ⇒ Object

We can provide a kpath selector for sweeping. If the kpath is in the cached scope, the cache is removed.



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# File 'app/models/cache.rb', line 26

def sweep(hash)
  return
  # if kpath  = hash[:kpath]
  #   klasses = []
  #   kpath.split(//).each_index { |i| klasses << kpath[0..i] }
  #   kpath_selector = " AND kpath IN (#{klasses.map{|k| connection.quote(k)}.join(',')})"
  # else
  #   kpath_selector = ""
  # end
  # if hash[:visitor_id]
  #   self.connection.execute "DELETE FROM #{self.table_name} WHERE visitor_id = '#{hash[:visitor_id]}'" + kpath_selector
  # end
  # if hash[:visitor_groups]
  #   hash[:visitor_groups].each do |g|
  #     self.connection.execute "DELETE FROM #{self.table_name} WHERE visitor_groups LIKE '%.#{g}.%'" + kpath_selector
  #   end
  # end
  # if hash[:context]
  #   context = [hash[:context]].flatten.join('.').hash.abs
  #   self.connection.execute "DELETE FROM #{self.table_name} WHERE context = '#{context}'" + kpath_selector
  # end
  # if hash[:older_than]
  #   self.connection.execute "DELETE FROM #{self.table_name} WHERE updated_at < '#{hash[:older_than]}'" + kpath_selector
  # end
end

.with(visitor_id, visitor_groups, kpath, *context) ⇒ Object



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# File 'app/models/cache.rb', line 11

def with(visitor_id, visitor_groups, kpath, *context)
  yield

  # return yield unless perform_caching
  # if cached = self.find(:first, :conditions => ["visitor_id = ? AND site_id = ? AND context = ?", visitor_id, visitor.site.id, context.join('.').hash.abs])
  #   cached[:content]
  # else
  #   content = yield
  #   self.create(:visitor_id=>visitor_id, :visitor_groups=>".#{visitor_groups.join('.')}.", :kpath=>kpath,
  #               :context=>context.join('.').hash.abs, :content=>content )
  #   content
  # end
end