initial commit 2

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diff --git a/addons/sale_stock/models/stock.py b/addons/sale_stock/models/stock.py
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+++ b/addons/sale_stock/models/stock.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from collections import defaultdict
+
+from odoo import api, fields, models, _
+
+
+class StockLocationRoute(models.Model):
+    _inherit = "stock.location.route"
+    sale_selectable = fields.Boolean("Selectable on Sales Order Line")
+
+
+class StockMove(models.Model):
+    _inherit = "stock.move"
+    sale_line_id = fields.Many2one('sale.order.line', 'Sale Line', index=True)
+
+    @api.model
+    def _prepare_merge_moves_distinct_fields(self):
+        distinct_fields = super(StockMove, self)._prepare_merge_moves_distinct_fields()
+        distinct_fields.append('sale_line_id')
+        return distinct_fields
+
+    @api.model
+    def _prepare_merge_move_sort_method(self, move):
+        move.ensure_one()
+        keys_sorted = super(StockMove, self)._prepare_merge_move_sort_method(move)
+        keys_sorted.append(move.sale_line_id.id)
+        return keys_sorted
+
+    def _get_related_invoices(self):
+        """ Overridden from stock_account to return the customer invoices
+        related to this stock move.
+        """
+        rslt = super(StockMove, self)._get_related_invoices()
+        invoices = self.mapped('picking_id.sale_id.invoice_ids').filtered(lambda x: x.state == 'posted')
+        rslt += invoices
+        #rslt += invoices.mapped('reverse_entry_ids')
+        return rslt
+
+    def _get_source_document(self):
+        res = super()._get_source_document()
+        return self.sale_line_id.order_id or res
+
+    def _assign_picking_post_process(self, new=False):
+        super(StockMove, self)._assign_picking_post_process(new=new)
+        if new:
+            picking_id = self.mapped('picking_id')
+            sale_order_ids = self.mapped('sale_line_id.order_id')
+            for sale_order_id in sale_order_ids:
+                picking_id.message_post_with_view(
+                    'mail.message_origin_link',
+                    values={'self': picking_id, 'origin': sale_order_id},
+                    subtype_id=self.env.ref('mail.mt_note').id)
+
+
+class ProcurementGroup(models.Model):
+    _inherit = 'procurement.group'
+
+    sale_id = fields.Many2one('sale.order', 'Sale Order')
+
+
+class StockRule(models.Model):
+    _inherit = 'stock.rule'
+
+    def _get_custom_move_fields(self):
+        fields = super(StockRule, self)._get_custom_move_fields()
+        fields += ['sale_line_id', 'partner_id']
+        return fields
+
+
+class StockPicking(models.Model):
+    _inherit = 'stock.picking'
+
+    sale_id = fields.Many2one(related="group_id.sale_id", string="Sales Order", store=True, readonly=False)
+
+    def _action_done(self):
+        res = super()._action_done()
+        sale_order_lines_vals = []
+        for move in self.move_lines:
+            sale_order = move.picking_id.sale_id
+            # Creates new SO line only when pickings linked to a sale order and
+            # for moves with qty. done and not already linked to a SO line.
+            if not sale_order or move.location_dest_id.usage != 'customer' or move.sale_line_id or not move.quantity_done:
+                continue
+            product = move.product_id
+            so_line_vals = {
+                'move_ids': [(4, move.id, 0)],
+                'name': product.display_name,
+                'order_id': sale_order.id,
+                'product_id': product.id,
+                'product_uom_qty': 0,
+                'qty_delivered': move.quantity_done,
+            }
+            if product.invoice_policy == 'delivery':
+                # Check if there is already a SO line for this product to get
+                # back its unit price (in case it was manually updated).
+                so_line = sale_order.order_line.filtered(lambda sol: sol.product_id == product)
+                if so_line:
+                    so_line_vals['price_unit'] = so_line[0].price_unit
+            elif product.invoice_policy == 'order':
+                # No unit price if the product is invoiced on the ordered qty.
+                so_line_vals['price_unit'] = 0
+            sale_order_lines_vals.append(so_line_vals)
+
+        if sale_order_lines_vals:
+            self.env['sale.order.line'].create(sale_order_lines_vals)
+        return res
+
+    def _log_less_quantities_than_expected(self, moves):
+        """ Log an activity on sale order that are linked to moves. The
+        note summarize the real proccessed quantity and promote a
+        manual action.
+
+        :param dict moves: a dict with a move as key and tuple with
+        new and old quantity as value. eg: {move_1 : (4, 5)}
+        """
+
+        def _keys_in_sorted(sale_line):
+            """ sort by order_id and the sale_person on the order """
+            return (sale_line.order_id.id, sale_line.order_id.user_id.id)
+
+        def _keys_in_groupby(sale_line):
+            """ group by order_id and the sale_person on the order """
+            return (sale_line.order_id, sale_line.order_id.user_id)
+
+        def _render_note_exception_quantity(moves_information):
+            """ Generate a note with the picking on which the action
+            occurred and a summary on impacted quantity that are
+            related to the sale order where the note will be logged.
+
+            :param moves_information dict:
+            {'move_id': ['sale_order_line_id', (new_qty, old_qty)], ..}
+
+            :return: an html string with all the information encoded.
+            :rtype: str
+            """
+            origin_moves = self.env['stock.move'].browse([move.id for move_orig in moves_information.values() for move in move_orig[0]])
+            origin_picking = origin_moves.mapped('picking_id')
+            values = {
+                'origin_moves': origin_moves,
+                'origin_picking': origin_picking,
+                'moves_information': moves_information.values(),
+            }
+            return self.env.ref('sale_stock.exception_on_picking')._render(values=values)
+
+        documents = self._log_activity_get_documents(moves, 'sale_line_id', 'DOWN', _keys_in_sorted, _keys_in_groupby)
+        self._log_activity(_render_note_exception_quantity, documents)
+
+        return super(StockPicking, self)._log_less_quantities_than_expected(moves)
+
+class ProductionLot(models.Model):
+    _inherit = 'stock.production.lot'
+
+    sale_order_ids = fields.Many2many('sale.order', string="Sales Orders", compute='_compute_sale_order_ids')
+    sale_order_count = fields.Integer('Sale order count', compute='_compute_sale_order_ids')
+
+    @api.depends('name')
+    def _compute_sale_order_ids(self):
+        sale_orders = defaultdict(lambda: self.env['sale.order'])
+        for move_line in self.env['stock.move.line'].search([('lot_id', 'in', self.ids), ('state', '=', 'done')]):
+            move = move_line.move_id
+            if move.picking_id.location_dest_id.usage == 'customer' and move.sale_line_id.order_id:
+                sale_orders[move_line.lot_id.id] |= move.sale_line_id.order_id
+        for lot in self:
+            lot.sale_order_ids = sale_orders[lot.id]
+            lot.sale_order_count = len(lot.sale_order_ids)
+
+    def action_view_so(self):
+        self.ensure_one()
+        action = self.env["ir.actions.actions"]._for_xml_id("sale.action_orders")
+        action['domain'] = [('id', 'in', self.mapped('sale_order_ids.id'))]
+        action['context'] = dict(self._context, create=False)
+        return action