class FanOutOnWriteService < BaseService # Push a status into home and mentions feeds # @param [Status] status def call(status) deliver_to_self(status) if status.account.local? deliver_to_followers(status) deliver_to_mentioned(status) end private def deliver_to_self(status) push(:home, status.account, status) end def deliver_to_followers(status) status.account.followers.each do |follower| next if !follower.local? || FeedManager.filter_status?(status, follower) push(:home, follower, status) end end def deliver_to_mentioned(status) status.mentions.each do |mention| mentioned_account = mention.account next unless mentioned_account.local? push(:mentions, mentioned_account, status) end end def push(type, receiver, status) redis.zadd(FeedManager.key(type, receiver.id), status.id, status.id) trim(type, receiver) ActionCable.server.broadcast("timeline:#{receiver.id}", type: 'update', timeline: type, message: inline_render(receiver, status)) end def trim(type, receiver) return unless redis.zcard(FeedManager.key(type, receiver.id)) > FeedManager::MAX_ITEMS last = redis.zrevrange(FeedManager.key(type, receiver.id), FeedManager::MAX_ITEMS - 1, FeedManager::MAX_ITEMS - 1) redis.zremrangebyscore(FeedManager.key(type, receiver.id), '-inf', "(#{last.last}") end def redis $redis end def inline_render(receiver, status) rabl_scope = Class.new(BaseService) do def initialize(account) @account = account end def current_user @account.user end def current_account @account end end Rabl::Renderer.new('api/statuses/show', status, view_path: 'app/views', format: :json, scope: rabl_scope.new(receiver)).render end end