make warehouse searchable

search_warehouse.diff

@@ -0,0 +1,40 @@
+diff -r 78ac887c5b7f location.py
+--- a/trytond/trytond/modules/stock/location.py	Tue Jun 12 16:16:43 2018 +0200
++++ b/trytond/trytond/modules/stock/location.py	Tue Jun 12 16:19:53 2018 +0200
+@@ -59,7 +59,7 @@
+         "Flat Children",
+         help="Check to restrict to one level of children.")
+     warehouse = fields.Function(fields.Many2One('stock.location', 'Warehouse'),
+-        'get_warehouse')
++        'get_warehouse', searcher='search_warehouse')
+     input_location = fields.Many2One(
+         "stock.location", "Input", states={
+             'invisible': Eval('type') != 'warehouse',
+@@ -195,6 +195,27 @@
+                 inactives.append(location)
+         cls.check_inactive(inactives)
+
++    @classmethod
++    def search_warehouse(cls, name, clause):
++        warehouse_child_locations = cls.search([
++            ('parent.type', '=', 'warehouse'),
++            ('type', '=', 'storage'),
++            ('parent', clause[1], clause[2]),
++            ])
++        found_warehouse_ids = []
++        storage_location_ids = []
++        for location in warehouse_child_locations:
++            storage_location_ids.append(location.id)
++            found_warehouse_ids.append(location.parent.id)
++        warehouse_location_ids = []
++        for location in cls.search([
++                ('parent', 'child_of', storage_location_ids),
++                ]):
++            if (location.warehouse and location.warehouse.id in
++                    found_warehouse_ids):
++                warehouse_location_ids.append(location.id)
++        return [('id', 'in', warehouse_location_ids)]
++
+     def check_type_for_moves(self):
+         """ Check locations with moves have types compatible with moves. """
+         invalid_move_types = ['warehouse', 'view']

series

@@ -10,5 +10,6 @@ issue4506.diff # [account_invoice] Add credit invoices keyword from account.invo
 issue4030.diff # [analytic_account] Not selected root accounts in analytic account lines
 
 issue4482.diff # [stock] stock inventory misses company access rule
+search_warehouse.diff #[stock] search function for warehouse.
 stock_consignment_create_invoice_lines_on_move_done.diff # [stock_consignment] Task #034628: stock_consignment only create invoice lines on move done
 domain_validation_warning.diff # [trytond] Increase the verbosity of domain_validation_error message