83 lines
2.5 KiB
Ruby
83 lines
2.5 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)
|
|
elsif timeline_type == :mentions
|
|
filter_from_mentions?(status, receiver)
|
|
else
|
|
false
|
|
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(timeline_id, options = {})
|
|
ActionCable.server.broadcast("timeline:#{timeline_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
|
|
|
|
def filter_from_home?(status, receiver)
|
|
should_filter = false
|
|
|
|
if status.reply? && !status.thread.account.nil? # Filter out if it's a reply
|
|
should_filter = !receiver.following?(status.thread.account) # and I'm not following the person it's a reply to
|
|
should_filter = should_filter && !(receiver.id == status.thread.account_id) # and it's not a reply to me
|
|
should_filter = should_filter && !(status.account_id == status.thread.account_id) # and it's not a self-reply
|
|
elsif status.reblog? # Filter out a reblog
|
|
should_filter = receiver.blocking?(status.reblog.account) # if I'm blocking the reblogged person
|
|
end
|
|
|
|
should_filter
|
|
end
|
|
|
|
def filter_from_mentions?(status, receiver)
|
|
should_filter = false
|
|
should_filter = receiver.blocking?(status.account) # Filter if it's from someone I blocked
|
|
should_filter
|
|
end
|
|
end
|