72 lines
2.0 KiB
Ruby
72 lines
2.0 KiB
Ruby
require 'singleton'
|
|
|
|
class FeedManager
|
|
include Singleton
|
|
|
|
MAX_ITEMS = 800
|
|
|
|
def key(type, id)
|
|
"feed:#{type}:#{id}"
|
|
end
|
|
|
|
def filter?(timeline_type, status, receiver)
|
|
if timeline_type == :home
|
|
filter_from_home?(status, receiver)
|
|
else
|
|
filter_from_mentions?(status, receiver)
|
|
end
|
|
end
|
|
|
|
def push(timeline_type, account, status)
|
|
redis.zadd(key(timeline_type, account.id), status.id, status.reblog? ? status.reblog_of_id : status.id)
|
|
trim(timeline_type, account.id)
|
|
broadcast(account.id, type: 'update', timeline: timeline_type, message: inline_render(account, status))
|
|
end
|
|
|
|
def broadcast(account_id, options = {})
|
|
ActionCable.server.broadcast("timeline:#{account_id}", options)
|
|
end
|
|
|
|
def trim(type, account_id)
|
|
return unless redis.zcard(key(type, account_id)) > FeedManager::MAX_ITEMS
|
|
last = redis.zrevrange(key(type, account_id), FeedManager::MAX_ITEMS - 1, FeedManager::MAX_ITEMS - 1)
|
|
redis.zremrangebyscore(key(type, account_id), '-inf', "(#{last.last}")
|
|
end
|
|
|
|
def inline_render(target_account, status)
|
|
rabl_scope = Class.new do
|
|
include RoutingHelper
|
|
|
|
def initialize(account)
|
|
@account = account
|
|
end
|
|
|
|
def current_user
|
|
@account.try(:user)
|
|
end
|
|
|
|
def current_account
|
|
@account
|
|
end
|
|
end
|
|
|
|
Rabl::Renderer.new('api/v1/statuses/show', status, view_path: 'app/views', format: :json, scope: rabl_scope.new(target_account)).render
|
|
end
|
|
|
|
private
|
|
|
|
def redis
|
|
$redis
|
|
end
|
|
|
|
# Filter status out of the home feed if it is a reply to someone the user doesn't follow
|
|
def filter_from_home?(status, receiver)
|
|
replied_to_user = status.reply? ? status.thread.account : nil
|
|
(status.reply? && !(receiver.id == replied_to_user.id || replied_to_user.id == status.account_id || receiver.following?(replied_to_user))) || (status.reblog? && receiver.blocking?(status.reblog.account))
|
|
end
|
|
|
|
def filter_from_mentions?(status, receiver)
|
|
receiver.blocking?(status.account)
|
|
end
|
|
end
|