stats class

stats.rb

class Stats
  QUEUES = ["bounced", "connect", "conversations", "deferred", "host", "lost", "sent"]
  def self.lookup(pattern)
    h = {}
    REDIS.keys(pattern).map { |k,v| h[k] = REDIS[k] }
    h
  end

  def self.day_for(ip)
    # method should return a hash of count queues for 24 hours                                                                                                                                                 
    h = {}
    Stats::QUEUES.each do |queue|
      h["#{queue}:#{ip}:24"] = return_day_for(ip,queue)
    end
    h
  end

  def self.return_day_for(ip,queue)
    count = REDIS[:"#{queue}:#{ip}:24"]
    if count.nil?
      count = sum_day_for(ip,queue)
      REDIS.setex(:"#{queue}:#{ip}:24", 120, count) if count.class == Fixnum
    end
    count
  end

  def self.sum_day_for(ip,queue)
    keys = REDIS.keys(:"#{queue}:#{ip}:*")
    REDIS.mget(*keys).inject(0) { |sum, n| sum + n.to_i } unless keys.empty?
  end
  private_class_method :return_day_for, :sum_day_for
end