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|
# 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 blocked_update?
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
# Returns true if the sender has been mentionned by the recipient up the thread
def response_to_recipient?
return false if @notification.target_status.in_reply_to_id.nil?
# Using an SQL CTE to avoid unneeded back-and-forth with SQL server in case of long threads
!Status.count_by_sql([<<-SQL.squish, id: @notification.target_status.in_reply_to_id, recipient_id: @recipient.id, sender_id: @notification.from_account.id]).zero?
WITH RECURSIVE ancestors(id, in_reply_to_id, replying_to_sender, path) AS (
SELECT
s.id,
s.in_reply_to_id,
(CASE
WHEN s.account_id = :recipient_id THEN
EXISTS (
SELECT *
FROM mentions m
WHERE m.silent = FALSE AND m.account_id = :sender_id AND m.status_id = s.id
)
ELSE
FALSE
END),
ARRAY[s.id]
FROM statuses s
WHERE s.id = :id
UNION ALL
SELECT
s.id,
s.in_reply_to_id,
(CASE
WHEN s.account_id = :recipient_id THEN
EXISTS (
SELECT *
FROM mentions m
WHERE m.silent = FALSE AND m.account_id = :sender_id AND m.status_id = s.id
)
ELSE
FALSE
END),
st.path || s.id
FROM ancestors st
JOIN statuses s ON s.id = st.in_reply_to_id
WHERE st.replying_to_sender IS FALSE AND NOT s.id = ANY(path)
)
SELECT COUNT(*)
FROM ancestors st
JOIN statuses s ON s.id = st.id
WHERE st.replying_to_sender IS TRUE AND s.visibility = 3
SQL
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
|
