lti-api/internal/database/migrations/20260529144531_recalculate_economic_cutoff_25_weeks.up.sql

-- Recalculate laying_transfers.economic_cutoff_date dari rule 19 minggu (lama) ke 25 minggu (baru,
-- sejalan dengan depreciation_start_age_day = 175). Semua transfer historis yang punya
-- source_project_flock_kandang_id akan di-update agar economic_cutoff_date = source.chick_in_date + 175 hari.

BEGIN;

UPDATE laying_transfers lt
SET economic_cutoff_date = sub.cutoff_date,
    updated_at = NOW()
FROM (
    SELECT
        lt2.id AS transfer_id,
        (MIN(pc.chick_in_date)::date + INTERVAL '175 days')::date AS cutoff_date
    FROM laying_transfers lt2
    JOIN project_chickins pc ON pc.project_flock_kandang_id = lt2.source_project_flock_kandang_id
    WHERE lt2.deleted_at IS NULL
      AND lt2.source_project_flock_kandang_id IS NOT NULL
      AND pc.deleted_at IS NULL
    GROUP BY lt2.id
) sub
WHERE lt.id = sub.transfer_id
  AND lt.deleted_at IS NULL;

COMMIT;