forgeplus/app/services/cache/user_follow_count_service.rb

43 lines
849 B
Ruby

class Cache::UserFollowCountService < ApplicationService
attr_reader :user, :increment_count
def initialize(user, increment_count=0)
@user = user
@increment_count = increment_count
end
def call
set_user_follow_count
user_follow_count
end
def reset
reset_user_follow_count
user_follow_count
end
private
def user_follow_count_key
"user-follow-count-#{user.id}"
end
def user_follow_count
$redis_cache.get(user_follow_count_key).to_i
end
def set_user_follow_count
if $redis_cache.exists(user_follow_count_key)
$redis_cache.incrby(user_follow_count_key, increment_count)
else
reset_user_follow_count
end
end
def reset_user_follow_count
return if user.nil?
$redis_cache.set(user_follow_count_key, Watcher.where(watchable: user).count)
end
end