Class: ListsByDaysRedis::List

Inherits:
Object
  • Object
show all
Defined in:
lib/lists.rb

Constant Summary collapse

SITE_NAME = 
''
EXPIRE_DAYS = 
7
@@redis = 
nil

Class Method Summary collapse

Class Method Details

.add(list_name, data = {}) ⇒ Object 



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# File 'lib/lists.rb', line 44

def self.add(list_name, data={})
  t = Time.now.utc.to_i
  rkey = self.redis_key_list list_name

  #
  hash = {:created=>t}
  if data.is_a?(Hash)
    data.each_pair { |k,v| hash["#{k}"] = v }
  elsif data.is_a?(String)
    hash["msg"] = data
  else
    hash["msg"] = "#{data.inspect}"
  end

  #
  require 'json'
  s = JSON.generate(hash)

  redis.rpush rkey, s
  redis.expireat rkey, t+EXPIRE_DAYS*24*60*60

  return true
end

.add_debug(event_name, msg = '', fields = {}) ⇒ Object 



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# File 'lib/lists.rb', line 70

def self.add_debug(event_name, msg='', fields={})
  fields['msg'] = msg
  fields['event'] = event_name
  return self.add 'debug', fields
end

.add_perf_time(counter_name, duration_secs) ⇒ Object 



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# File 'lib/lists.rb', line 159

def self.add_perf_time(counter_name, duration_secs)
  rkey = self.redis_key_stats

  redis.hincrby(rkey, counter_name+'_time', (duration_secs*1000).floor)
  redis.hincrby(rkey, counter_name+'_n', 1)

  return true
end

.add_stat(counter_name, amount = 1) ⇒ Object 



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# File 'lib/lists.rb', line 152

def self.add_stat(counter_name, amount=1)
  redis.hincrby(self.redis_key_stats, counter_name, amount)
  return true
end

.get_all(list_name, days_back = 1, filter = {}) ⇒ Object 



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# File 'lib/lists.rb', line 78

def self.get_all(list_name, days_back=1, filter={})
  all_keys = redis.keys(self.redis_key_list(list_name)+'*')

  return [] if all_keys.nil?

  tnow = Time.now.utc.to_i
  rows = []
  all_keys.each do |rkey|
    day = self.parse_date_for_key rkey

    # if cannot parse key
    next if day.nil?

    # if not too old day
    next if tnow - day.to_i > days_back * (60*60*24)


    # get all items from the list
    values = redis.lrange rkey, 0, 100000

    values.each do |v|
      r = Marshal.load v

      # filter
      is_good = true
      unless filter.nil? && filter.is_a?(Hash)
        filter.each_pair do |field_name, field_value|
          next if r[field_name].nil?
          if r[field_name] != field_value
            is_good = false
            break
          end
        end
      end

      # add to result
      if is_good
        rows << r
      end
    end

  end

  rows
end

.get_statuses(event_pattern, site_name = nil) ⇒ Object 



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# File 'lib/lists.rb', line 136

def self.get_statuses(event_pattern, site_name=nil)
  # event_names like 'name*'

  rows = []

  all_values = redis.hgetall(self.redis_key_status)

  all_values.each do |type_name, v|
    rows << {:log_type=>type_name, :site=>site_name, :v_type=>'date', :v=>v.to_i}
  end

  rows
end

.key_day(d = nil) ⇒ Object 



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# File 'lib/lists.rb', line 179

def self.key_day(d=nil)
  d ||= DateTime.now.new_offset(0)

  d.strftime("%Y%m%d")
end

.method_missing(method_name, *args, &block) ⇒ Object 



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# File 'lib/lists.rb', line 33

def self.method_missing(method_name, *args, &block)
  if method_name.to_s =~ /^add_(.+)$/
    self.add($1, *args)
  else
    super
  end
end

.parse_date_for_key(key) ⇒ Object 



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# File 'lib/lists.rb', line 190

def self.parse_date_for_key(key)
  # parse key
  mm = key.scan(/:(\d\d\d\d)(\d\d)(\d\d)$/i)

  return nil if mm.nil? || mm[0].nil?

  y, m, d = mm[0].map{|v| v.to_i}

  Time.utc(y,m,d)
end

.redis ⇒ Object 



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# File 'lib/lists.rb', line 16

def self.redis
  return @@redis unless @redis.nil?

  # init by global object
  unless $redis.nil?
    @@redis = $redis
    return @@redis
  end


  # default
  @@redis = Redis.new(:host => 'localhost', :port => 6379)

  @@redis
end

.redis_clear_list(name) ⇒ Object 



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# File 'lib/lists.rb', line 211

def self.redis_clear_list(name)
  keys = redis.keys(redis_key_list_prefix(name)+"*")
  return if keys.empty?
  redis.del keys
end

.redis_clear_lists_all ⇒ Object 



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# File 'lib/lists.rb', line 205

def self.redis_clear_lists_all
  keys = redis.keys(redis_key_prefix+'lists:*')
  return if keys.empty?
  redis.del keys
end

.redis_key_list(name) ⇒ Object 



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# File 'lib/lists.rb', line 185

def self.redis_key_list(name)
  self.redis_key_list_prefix(name) + self.key_day
end

.redis_key_list_prefix(name) ⇒ Object 



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# File 'lib/lists.rb', line 175

def self.redis_key_list_prefix(name)
  self.redis_key_prefix + "lists:#{name}:"
end

.redis_key_prefix ⇒ Object 



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# File 'lib/lists.rb', line 171

def self.redis_key_prefix
  "#{SITE_NAME=='' ? '' : SITE_NAME+':'}"
end

.set_status(event_name, site_name = nil) ⇒ Object 



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# File 'lib/lists.rb', line 129

def self.set_status(event_name, site_name=nil)
  tnow = Time.now.utc.to_i

  redis.hset(self.redis_key_status, event_name, tnow)
end