masto-fe/app/services/notify_service.rb
Eugen Rochko a0d4129893
Refactor notifications to go through a separate stream in streaming API (#16765)
Eliminate need to have custom notifications filtering logic in the
streaming API code by publishing notifications into a separate stream
and then simply using the multi-stream capability to subscribe to that
stream when necessary
2021-09-26 13:23:28 +02:00

157 lines
4.6 KiB
Ruby

# frozen_string_literal: true
class NotifyService < BaseService
def call(recipient, type, activity)
@recipient = recipient
@activity = activity
@notification = Notification.new(account: @recipient, type: type, activity: @activity)
return if recipient.user.nil? || blocked?
create_notification!
push_notification!
push_to_conversation! if direct_message?
send_email! if email_enabled?
rescue ActiveRecord::RecordInvalid
nil
end
private
def blocked_mention?
FeedManager.instance.filter?(:mentions, @notification.mention.status, @recipient)
end
def blocked_status?
false
end
def blocked_favourite?
false
end
def blocked_follow?
false
end
def blocked_reblog?
false
end
def blocked_follow_request?
false
end
def blocked_poll?
false
end
def following_sender?
return @following_sender if defined?(@following_sender)
@following_sender = @recipient.following?(@notification.from_account) || @recipient.requested?(@notification.from_account)
end
def optional_non_follower?
@recipient.user.settings.interactions['must_be_follower'] && !@notification.from_account.following?(@recipient)
end
def optional_non_following?
@recipient.user.settings.interactions['must_be_following'] && !following_sender?
end
def message?
@notification.type == :mention
end
def direct_message?
message? && @notification.target_status.direct_visibility?
end
def response_to_recipient?
@notification.target_status.in_reply_to_account_id == @recipient.id && @notification.target_status.thread&.direct_visibility?
end
def from_staff?
@notification.from_account.local? && @notification.from_account.user.present? && @notification.from_account.user.staff?
end
def optional_non_following_and_direct?
direct_message? &&
@recipient.user.settings.interactions['must_be_following_dm'] &&
!following_sender? &&
!response_to_recipient?
end
def hellbanned?
@notification.from_account.silenced? && !following_sender?
end
def from_self?
@recipient.id == @notification.from_account.id
end
def domain_blocking?
@recipient.domain_blocking?(@notification.from_account.domain) && !following_sender?
end
def blocked?
blocked = @recipient.suspended? # Skip if the recipient account is suspended anyway
blocked ||= from_self? && @notification.type != :poll # Skip for interactions with self
return blocked if message? && from_staff?
blocked ||= domain_blocking? # Skip for domain blocked accounts
blocked ||= @recipient.blocking?(@notification.from_account) # Skip for blocked accounts
blocked ||= @recipient.muting_notifications?(@notification.from_account)
blocked ||= hellbanned? # Hellban
blocked ||= optional_non_follower? # Options
blocked ||= optional_non_following? # Options
blocked ||= optional_non_following_and_direct? # Options
blocked ||= conversation_muted?
blocked ||= send("blocked_#{@notification.type}?") # Type-dependent filters
blocked
end
def conversation_muted?
if @notification.target_status
@recipient.muting_conversation?(@notification.target_status.conversation)
else
false
end
end
def create_notification!
@notification.save!
end
def push_notification!
return if @notification.activity.nil?
Redis.current.publish("timeline:#{@recipient.id}:notifications", Oj.dump(event: :notification, payload: InlineRenderer.render(@notification, @recipient, :notification)))
send_push_notifications!
end
def push_to_conversation!
return if @notification.activity.nil?
AccountConversation.add_status(@recipient, @notification.target_status)
end
def send_push_notifications!
subscriptions_ids = ::Web::PushSubscription.where(user_id: @recipient.user.id)
.select { |subscription| subscription.pushable?(@notification) }
.map(&:id)
::Web::PushNotificationWorker.push_bulk(subscriptions_ids) do |subscription_id|
[subscription_id, @notification.id]
end
end
def send_email!
return if @notification.activity.nil?
NotificationMailer.public_send(@notification.type, @recipient, @notification).deliver_later(wait: 2.minutes)
end
def email_enabled?
@recipient.user.settings.notification_emails[@notification.type.to_s]
end
end