Sha256: 2adbbff4628a38cd276a2226fd125c4f71be36663f8e93acb701e93ffa0e94e5
Contents?: true
Size: 1.91 KB
Versions: 16
Compression:
Stored size: 1.91 KB
Contents
class Card
module ViewCache
class << self
SIZE = 500
LIMIT = 1000 # reduce cache size to SIZE if LIMIT is reached
CNT_KEY = 'view_cache_cnt'
FREQUENCY_KEY = 'view_cache_frequency'
def cache
Card::Cache[Card::ViewCache]
end
def increment_cnt
cache.write(CNT_KEY, count+1)
end
def count
cache.read(CNT_KEY) || 0
end
def reduce_cache
update_frequency do |freq|
cnts_with_key = freq.keys.map { |key| [freq[key], key] }
index = 1
SortedSet.new(cnts_with_key).each do |cnt, key|
if index < (LIMIT - SIZE)
cache.delete(key)
freq.delete(key)
else
freq[key] = 0
end
index += 1
end
end
end
def update_frequency
freq = cache.read(FREQUENCY_KEY) || {}
yield(freq)
cache.write(FREQUENCY_KEY, freq)
end
def fetch(format, view, args, &block)
if !Card.config.view_cache || !format.view_caching? || !format.main? || (view != :open && view != :content) || format.class != HtmlFormat
return block.call
end
roles = Card::Auth.current.all_roles.sort.join '_'
key = "view_#{view}_#{format.card.key}_args_#{Card::Cache.obj_to_key(args)}_roles_#{roles}"
if !cache.exist?(key)
increment_cnt
reduce_cache if count > LIMIT
end
update_frequency do |freq|
freq[key] ||= 0
freq[key] += 1
end
if Card.config.view_cache == 'debug'
if cache.exist? key
"fetched from view cache: #{cache.read key}"
else
"written to view cache: #{cache.fetch(key, &block)}"
end
else
cache.fetch(key, &block)
end
end
def reset hard=false
cache.reset hard
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems