discourse/app/jobs/regular/truncate_user_flag_stats.rb

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# frozen_string_literal: true
class Jobs::TruncateUserFlagStats < ::Jobs::Base
def self.truncate_to
100
end
# To give users a chance to improve, we limit their flag stats to the last N flags
def execute(args)
raise Discourse::InvalidParameters.new(:user_ids) unless args[:user_ids].present?
args[:user_ids].each do |u|
user_stat = UserStat.find_by(user_id: u)
next if user_stat.blank?
total = user_stat.flags_agreed + user_stat.flags_disagreed + user_stat.flags_ignored
next if total < self.class.truncate_to
params = ReviewableScore.statuses.slice(:agreed, :disagreed, :ignored).
merge(user_id: u, truncate_to: self.class.truncate_to)
result = DB.query(<<~SQL, params)
SELECT SUM(CASE WHEN x.status = :agreed THEN 1 ELSE 0 END) AS agreed,
SUM(CASE WHEN x.status = :disagreed THEN 1 ELSE 0 END) AS disagreed,
SUM(CASE WHEN x.status = :ignored THEN 1 ELSE 0 END) AS ignored
FROM (
SELECT rs.status
FROM reviewable_scores AS rs
INNER JOIN reviewables AS r ON r.id = rs.reviewable_id
INNER JOIN posts AS p ON p.id = r.target_id
WHERE rs.user_id = :user_id
AND r.type = 'ReviewableFlaggedPost'
AND rs.status IN (:agreed, :disagreed, :ignored)
AND rs.user_id <> p.user_id
ORDER BY rs.created_at DESC
LIMIT :truncate_to
) AS x
SQL
user_stat.update_columns(
flags_agreed: result[0].agreed || 0,
flags_disagreed: result[0].disagreed || 0,
flags_ignored: result[0].ignored || 0,
)
end
end
end