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Contents
module RailsPerformance
class Utils
# date key in redis store
def Utils.cache_key(now = Date.today)
"date-#{now}"
end
# write to current slot
# time - date -minute
def Utils.field_key(now = Time.now)
now.strftime("%H:%M")
end
def Utils.fetch_from_redis(query)
RailsPerformance.log "\n\n [REDIS QUERY] --> #{query}\n\n"
keys = RailsPerformance.redis.keys(query)
return [] if keys.blank?
values = RailsPerformance.redis.mget(keys)
RailsPerformance.log "\n\n [FOUND] --> #{values.size}\n\n"
[keys, values]
end
def Utils.save_to_redis(key, value, expire = RailsPerformance.duration.to_i)
# TODO think here if add return
#return if value.empty?
RailsPerformance.log " [SAVE] key ---> #{key}\n"
RailsPerformance.log " [SAVE] value ---> #{value.to_json}\n\n"
RailsPerformance.redis.set(key, value.to_json, ex: expire.to_i)
end
def Utils.days
(RailsPerformance.duration / 1.day) + 1
end
def Utils.median(array)
sorted = array.sort
size = sorted.size
center = size / 2
if size == 0
nil
elsif size.even?
(sorted[center - 1] + sorted[center]) / 2.0
else
sorted[center]
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems