101 lines
2.0 KiB
Ruby
101 lines
2.0 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Trends::History
|
|
include Enumerable
|
|
|
|
class Aggregate
|
|
include Redisable
|
|
|
|
def initialize(prefix, id, date_range)
|
|
@days = date_range.map { |date| Day.new(prefix, id, date.to_time(:utc)) }
|
|
end
|
|
|
|
def uses
|
|
with_redis { |redis| redis.mget(*@days.map { |day| day.key_for(:uses) }).map(&:to_i).sum }
|
|
end
|
|
|
|
def accounts
|
|
with_redis { |redis| redis.pfcount(*@days.map { |day| day.key_for(:accounts) }) }
|
|
end
|
|
end
|
|
|
|
class Day
|
|
include Redisable
|
|
|
|
EXPIRE_AFTER = 14.days.seconds
|
|
|
|
def initialize(prefix, id, day)
|
|
@prefix = prefix
|
|
@id = id
|
|
@day = day.beginning_of_day
|
|
end
|
|
|
|
attr_reader :day
|
|
|
|
def accounts
|
|
with_redis { |redis| redis.pfcount(key_for(:accounts)) }
|
|
end
|
|
|
|
def uses
|
|
with_redis { |redis| redis.get(key_for(:uses))&.to_i || 0 }
|
|
end
|
|
|
|
def add(account_id)
|
|
with_redis do |redis|
|
|
redis.pipelined do |pipeline|
|
|
pipeline.incrby(key_for(:uses), 1)
|
|
pipeline.pfadd(key_for(:accounts), account_id)
|
|
pipeline.expire(key_for(:uses), EXPIRE_AFTER)
|
|
pipeline.expire(key_for(:accounts), EXPIRE_AFTER)
|
|
end
|
|
end
|
|
end
|
|
|
|
def as_json
|
|
{ day: day.to_i.to_s, accounts: accounts.to_s, uses: uses.to_s }
|
|
end
|
|
|
|
def key_for(suffix)
|
|
case suffix
|
|
when :accounts
|
|
"#{key_prefix}:#{suffix}"
|
|
when :uses
|
|
key_prefix
|
|
end
|
|
end
|
|
|
|
def key_prefix
|
|
"activity:#{@prefix}:#{@id}:#{day.to_i}"
|
|
end
|
|
end
|
|
|
|
def initialize(prefix, id)
|
|
@prefix = prefix
|
|
@id = id
|
|
end
|
|
|
|
def get(date)
|
|
Day.new(@prefix, @id, date)
|
|
end
|
|
|
|
def add(account_id, at_time = Time.now.utc)
|
|
Day.new(@prefix, @id, at_time).add(account_id)
|
|
end
|
|
|
|
def aggregate(date_range)
|
|
Aggregate.new(@prefix, @id, date_range)
|
|
end
|
|
|
|
def each(&block)
|
|
if block_given?
|
|
(0...7).map { |i| block.call(get(i.days.ago)) }
|
|
else
|
|
to_enum(:each)
|
|
end
|
|
end
|
|
|
|
def as_json(*)
|
|
map(&:as_json)
|
|
end
|
|
end
|