[IMP] stock_picking_batch: add to batch wizard improvements

We check the selected pickings are compatible to be attached to an
existing batch transfer.

We add the possibility to create on the fly a batch picking to attach
the selected pickings.

task-2069646

addons/stock_picking_batch/wizard/stock_picking_to_batch.py

@@ -1,17 +1,31 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import api, fields, models
+from odoo import fields, models, _
+from odoo.exceptions import UserError
 
 
 class StockPickingToBatch(models.TransientModel):
     _name = 'stock.picking.to.batch'
     _description = 'Batch Transfer Lines'
 
-    batch_id = fields.Many2one('stock.picking.batch', string='Batch Transfer')
+    batch_id = fields.Many2one('stock.picking.batch', string='Batch Transfer', domain="[('state', '=', 'draft')]")
+    mode = fields.Selection([('existing', 'an existing batch transfer'), ('new', 'a new batch transfer')], default='existing')
+    user_id = fields.Many2one('res.users', string='Responsible', help='Person responsible for this batch transfer')
 
     def attach_pickings(self):
-        # use active_ids to add picking line to the selected batch
         self.ensure_one()
-        picking_ids = self.env.context.get('active_ids')
-        return self.env['stock.picking'].browse(picking_ids).write({'batch_id': self.batch_id.id})
+        pickings = self.env['stock.picking'].browse(self.env.context.get('active_ids'))
+        if self.mode == 'new':
+            company = pickings.company_id
+            if len(company) > 1:
+                raise UserError(_("The selected pickings should belong to an unique company."))
+            batch = self.env['stock.picking.batch'].create({
+                'user_id': self.user_id.id,
+                'company_id': company.id,
+                'picking_type_id': pickings[0].picking_type_id.id,
+            })
+        else:
+            batch = self.batch_id
+
+        pickings.write({'batch_id': batch.id})

addons/stock_picking_batch/wizard/stock_picking_to_batch_views.xml

@@ -6,11 +6,18 @@
         <field name="name">stock.picking.to.batch.form</field>
         <field name="model">stock.picking.to.batch</field>
         <field name="arch" type="xml">
-            <form string="Add pickings to batch">
-                <separator string="Select a batch"/>
-                <field name="batch_id" class="oe_inline" required="1" options="{'no_create_edit': True, 'no_open': True}"/>
+            <form string="Add pickings to">
+                <group>
+                    <group>
+                        <label for="mode" string="Add to"/>
+                        <field name="mode" widget="radio" nolabel="1"/>
+                        <field name="batch_id" options="{'no_create_edit': True, 'no_open': True}" attrs="{'invisible': [('mode', '=', 'new')], 'required': [('mode', '=', 'existing')]}"/>
+                        <field name="user_id" options="{'no_create_edit': True}" attrs="{'invisible': [('mode', '=', 'existing')]}"/>
+                    </group>
+                </group>
+
                 <footer>
-                    <button name="attach_pickings" type="object" string="Add to Batch" class="btn-primary"/>
+                    <button name="attach_pickings" type="object" string="Confirm" class="btn-primary"/>
                     <button string="Cancel" class="btn-secondary" special="cancel"/>
                 </footer>
             </form>