From d517d043c9bb43bc4966e809f17cb131065b2b3b Mon Sep 17 00:00:00 2001
From: Murtaza Mithaiwala <mmithaiwala@opensourceintegrators.com>
Date: Tue, 17 Sep 2024 18:09:55 +0530
Subject: [PATCH] [IMP] Code for Tacking product internal transfer.

---
 .../models/stock_picking.py                   | 82 ++++++++++++++-----
 1 file changed, 62 insertions(+), 20 deletions(-)

diff --git a/stock_landed_cost_internal_transfer/models/stock_picking.py b/stock_landed_cost_internal_transfer/models/stock_picking.py
index 72ef7643a..c818241a8 100644
--- a/stock_landed_cost_internal_transfer/models/stock_picking.py
+++ b/stock_landed_cost_internal_transfer/models/stock_picking.py
@@ -2,39 +2,81 @@
 
 
 class StockPicking(models.Model):
-    _inherit = 'stock.picking'
+    _inherit = "stock.picking"
 
     is_cost_based_transfer = fields.Boolean(copy=False)
-    orig_dest_location_id = fields.Many2one('stock.location', copy=False)
-    new_picking_id = fields.Many2one('stock.picking')
+    orig_dest_location_id = fields.Many2one("stock.location", copy=False)
+    new_picking_id = fields.Many2one("stock.picking")
 
-    @api.onchange('is_cost_based_transfer')
+    @api.onchange("is_cost_based_transfer")
     def _onchange_cost_based_transfer(self):
         if self.is_cost_based_transfer:
-            self.location_dest_id = self.env.ref('stock.stock_location_inter_wh').id
-            self.move_ids.location_dest_id = self.env.ref('stock.stock_location_inter_wh').id
+            self.location_dest_id = self.env.ref("stock.stock_location_inter_wh").id
+            self.move_ids.location_dest_id = self.env.ref(
+                "stock.stock_location_inter_wh"
+            ).id
+
+    def copy_move_date(self, picking, new_picking_id):
+        move_obj = self.env["stock.move"]
+        for move in picking.move_ids:
+            move_id = move.copy_data(
+                {
+                    "picking_id": new_picking_id.id,
+                    "location_dest_id": new_picking_id.location_dest_id.id,
+                    "location_id": new_picking_id.location_id.id,
+                    "picked": True,
+                }
+            )
+            move_ids = move_obj.create(move_id)
+            move_ids["move_line_ids"] = [
+                (
+                    0,
+                    0,
+                    line.copy_data(
+                        {
+                            "move_id": False,
+                            "location_dest_id": new_picking_id.location_dest_id.id,
+                            "location_id": new_picking_id.location_id.id,
+                            "picking_id": new_picking_id.id,
+                            "quantity": line.quantity,
+                        }
+                    )[0],
+                )
+                for line in move.move_line_ids
+            ]
 
     def _action_done(self):
         res = super()._action_done()
         # Create a new picking and update locations for 'Cost based transfer'.
-        if not self._context.get('skip_cost_based_transfer'):
-            for picking in self.filtered(lambda p: p.is_cost_based_transfer and p.picking_type_code == 'internal'):
-                new_in_picking = picking.copy()
-                picking.new_picking_id = new_in_picking.id
-                new_in_picking.location_id = self.env.ref('stock.stock_location_inter_wh').id
+        if not self._context.get("skip_cost_based_transfer"):
+            for picking in self.filtered(
+                lambda p: p.is_cost_based_transfer and p.picking_type_code == "internal"
+            ):
+                new_in_picking = picking.copy({"move_ids": False})
                 new_in_picking.location_dest_id = picking.orig_dest_location_id
-                new_in_picking.move_ids.location_dest_id = picking.orig_dest_location_id
+                picking.new_picking_id = new_in_picking.id
+
+                new_in_picking.location_id = self.env.ref(
+                    "stock.stock_location_inter_wh"
+                ).id
+                self.copy_move_date(picking, new_in_picking)
                 new_in_picking.action_confirm()
-                new_in_picking.action_assign()
-                new_in_picking.with_context(skip_cost_based_transfer=1, button_validate_picking_ids=new_in_picking.ids).button_validate()
+                new_in_picking.with_context(
+                    skip_cost_based_transfer=1,
+                    button_validate_picking_ids=new_in_picking.ids,
+                ).button_validate()
         return res
 
     def view_new_picking(self):
-        action = self.env["ir.actions.actions"]._for_xml_id("stock.action_picking_tree_all")
-        form_view = [(self.env.ref('stock.view_picking_form').id, 'form')]
-        if 'views' in action:
-            action['views'] = form_view + [(state, view) for state, view in action['views'] if view != 'form']
+        action = self.env["ir.actions.actions"]._for_xml_id(
+            "stock.action_picking_tree_all"
+        )
+        form_view = [(self.env.ref("stock.view_picking_form").id, "form")]
+        if "views" in action:
+            action["views"] = form_view + [
+                (state, view) for state, view in action["views"] if view != "form"
+            ]
         else:
-            action['views'] = form_view
-        action['res_id'] = self.new_picking_id.id
+            action["views"] = form_view
+        action["res_id"] = self.new_picking_id.id
         return action