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Fix filtering DMs from non-followed users (#17042)

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Claire 2021-11-25 23:46:30 +01:00 • committed by GitHub
parent 6e50134a42
commit 013bee6afb
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2 changed files with 57 additions and 3 deletions
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43
app/services/notify_service.rb
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@ -67,8 +67,49 @@ class NotifyService < BaseService
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?
@notification.target_status.in_reply_to_account_id == @recipient.id && @notification.target_status.thread&.direct_visibility?
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) 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)
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)
FROM ancestors st
JOIN statuses s ON s.id = st.in_reply_to_id
WHERE st.replying_to_sender IS FALSE
)
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?