[IMP] stock: create warehouse on existing companies

If companies are created before the installation of module stock, the
warehouses of those companes won't be created when stock module is
installed.

So we've created a post init hook to create the warehouses for the
existing companies.

TASK-ID: 58645

addons/stock/__init__.py

@@ -17,3 +17,20 @@ def pre_init_hook(cr):
         ('model', 'like', '%stock%'),
         ('module', '=', 'stock')
     ]).unlink()
+
+def _create_warehouse(cr, registry):
+    """ This hook is used to add a warehouse on existing companies
+    when module stock is installed.
+    """
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    company_ids  = env['res.company'].search([])
+    company_with_warehouse = env['stock.warehouse'].search([]).mapped('company_id')
+    company_without_warehouse = company_ids - company_with_warehouse
+    for company in company_without_warehouse:
+        company.create_transit_location()
+        env['stock.warehouse'].create({
+            'name': company.name,
+            'code': company.name[:5],
+            'company_id': company.id,
+            'partner_id': company.partner_id.id
+        })

addons/stock/__manifest__.py

@@ -78,4 +78,5 @@
     'application': True,
     'auto_install': False,
     'pre_init_hook': 'pre_init_hook',
+    'post_init_hook': '_create_warehouse',
 }