Add 'staging' state to stock move

issue4362
review5811002

CHANGELOG

@@ -1,3 +1,4 @@
+* Add 'staging' state to stock move
 * Apply stock_assign of compute_quantity_query only on outgoing moves
 * Add domain on location's parent and childs
 * Do not filter out inactive products from stock computation

doc/index.rst

@@ -82,6 +82,11 @@ A move can be in one of this states:
   Assigned move can be cancelled. To revert a move in state Done, an
   opposite move must be created.
 
+* Staging
+
+  A phantom state used to create in advance move that should not be taken for
+  stock computation.
+
 
 Product Quantities
 ++++++++++++++++++

move.py

@@ -195,6 +195,7 @@ class Move(Workflow, ModelSQL, ModelView):
             },
         depends=['state'])
     state = fields.Selection([
+        ('staging', 'Staging'),
         ('draft', 'Draft'),
         ('assigned', 'Assigned'),
         ('done', 'Done'),
@@ -266,6 +267,7 @@ class Move(Workflow, ModelSQL, ModelView):
             'no_origin': 'The stock move "%s" has no origin.',
             })
         cls._transitions |= set((
+                ('staging', 'draft'),
                 ('draft', 'assigned'),
                 ('draft', 'done'),
                 ('draft', 'cancel'),
@@ -640,7 +642,8 @@ class Move(Workflow, ModelSQL, ModelView):
 
         vlist = [x.copy() for x in vlist]
         for vals in vlist:
-            assert vals.get('state', 'draft') == 'draft'
+            assert vals.get('state', cls.default_state()
+                ) in ['draft', 'staging']
 
             product = Product(vals['product'])
             uom = Uom(vals['uom'])

shipment.py

@@ -1080,6 +1080,7 @@ class ShipmentOut(Workflow, ModelSQL, ModelView):
             company=move.company,
             currency=move.currency,
             unit_price=move.unit_price,
+            state='staging' if move.state == 'staging' else 'draft',
             )
 
     @classmethod