from([a] in query,
left_join: b in Bookmark,
on: b.user_id == ^user.id and b.activity_id == a.id,
+ as: :bookmark,
preload: [bookmark: b]
)
end
from([a] in query,
left_join: r in ReportNote,
on: a.id == r.activity_id,
+ as: :report_note,
preload: [report_notes: r]
)
end