From d3514a24d20edc42aa28a52a4deb2caa47af7e4b Mon Sep 17 00:00:00 2001
From: Suherdy Yacob <suherdy.yacob@mapan.co.id>
Date: Thu, 26 Feb 2026 15:24:52 +0700
Subject: [PATCH] first commit

---
 .gitignore              | 19 +++++++++++++++++++
 README.md               | 12 ++++++++++++
 __init__.py             |  1 +
 __manifest__.py         | 11 +++++++++++
 models/__init__.py      |  1 +
 models/stock_picking.py | 15 +++++++++++++++
 6 files changed, 59 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 __init__.py
 create mode 100644 __manifest__.py
 create mode 100644 models/__init__.py
 create mode 100644 models/stock_picking.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b5d72ab
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Editors
+*.swp
+*~
+.idea/
+.vscode/
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2734fb2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,12 @@
+# Stock Fix Unpicked Backorder
+
+## Overview
+This module patches an issue in Odoo 19 where validating a partial stock picking and choosing "No Backorder" causes Odoo to explicitly cancel any stock move lines that have not been manually marked as `picked`. This cancellation results in their quantity being zeroed out, even if the line's quantity perfectly matched its demand.
+
+## Technical Details
+Odoo 19's `stock.picking` validation skips automatically marking lines as `picked = True` if *any* other line in the transfer was manually processed/picked. When `cancel_backorder=True` is provided (via the "No Backorder" wizard), the `_action_done` method of `stock.move` cancels moves that are not picked or have <= 0 quantity.
+
+This module overrides `_pre_action_done_hook` on `stock.picking` to ensure that any move with a `quantity > 0` is automatically marked as `picked = True` right before the validation logic runs.
+
+## Usage
+Simply install the module. The fix is applied automatically during the backorder validation flow.
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..0650744
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/__manifest__.py b/__manifest__.py
new file mode 100644
index 0000000..ef803c1
--- /dev/null
+++ b/__manifest__.py
@@ -0,0 +1,11 @@
+{
+    'name': 'Stock Fix Unpicked Backorder',
+    'version': '19.0.1.0.0',
+    'category': 'Inventory/Inventory',
+    'summary': 'Fixes Odoo 19 issue where lines with quantity are zeroed out on No Backorder',
+    'depends': ['stock'],
+    'data': [],
+    'installable': True,
+    'auto_install': False,
+    'license': 'LGPL-3',
+}
diff --git a/models/__init__.py b/models/__init__.py
new file mode 100644
index 0000000..ae4c272
--- /dev/null
+++ b/models/__init__.py
@@ -0,0 +1 @@
+from . import stock_picking
diff --git a/models/stock_picking.py b/models/stock_picking.py
new file mode 100644
index 0000000..54bfe46
--- /dev/null
+++ b/models/stock_picking.py
@@ -0,0 +1,15 @@
+from odoo import models
+
+class StockPicking(models.Model):
+    _inherit = 'stock.picking'
+
+    def _pre_action_done_hook(self):
+        # Odoo 17 skips auto-setting `picked = True` if _any_ line was manually picked.
+        # This causes unpicked lines with `quantity > 0` to be cancelled 
+        # when the user selects "No Backorder", zeroing out their quantity.
+        # We enforce that any line with quantity > 0 is treated as picked.
+        for picking in self:
+            for move in picking.move_ids:
+                if move.quantity > 0 and not move.picked:
+                    move.picked = True
+        return super()._pre_action_done_hook()