<hafid> revisi refund system

1 files changed, 9 insertions, 0 deletions

diff --git a/indoteknik_custom/models/tukar_guling_po.py b/indoteknik_custom/models/tukar_guling_po.py
index cc1c79c0..94771f37 100644
--- a/indoteknik_custom/models/tukar_guling_po.py
+++ b/indoteknik_custom/models/tukar_guling_po.py
@@ -435,6 +435,15 @@ class TukarGulingPO(models.Model):
                 if bu_put:
                     raise UserError("❌ Tidak bisa retur BU/INPUT karena BU/PUT sudah Done!")
 
+        existing_tukar_guling = self.env['tukar.guling.po'].search([
+            ('operations', '=', self.operations.id),
+            ('id', '!=', self.id),
+            ('state', '!=', 'cancel'),
+        ], limit=1)
+
+        if existing_tukar_guling:
+            raise UserError("BU ini sudah pernah diretur oleh dokumen %s." % existing_tukar_guling.name)
+
         picking = self.operations
         pick_id = self.operations.picking_type_id.id
         if pick_id == 75: