[MIG] point_of_sale: migrate remaining code in old API

addons/point_of_sale/models/pos_order.py

@@ -19,7 +19,8 @@ class PosOrder(models.Model):
     _description = "Point of Sale"
     _order = "id desc"
 
-    def _amount_line_tax(self, cr, uid, line, fiscal_position_id, context=None):
+    @api.model
+    def _amount_line_tax(self, line, fiscal_position_id):
         taxes = line.tax_ids.filtered(lambda t: t.company_id.id == line.order_id.company_id.id)
         if fiscal_position_id:
             taxes = fiscal_position_id.map_tax(taxes, line.product_id, line.order_id.partner_id)

addons/point_of_sale/report/pos_order_report.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import fields, models, tools
+from odoo import api, fields, models, tools
 
 
 class PosOrderReport(models.Model):
@@ -38,10 +38,10 @@ class PosOrderReport(models.Model):
     pricelist_id = fields.Many2one('product.pricelist', string='Pricelist', readonly=True)
     session_id = fields.Many2one('pos.session', string='Session', readonly=True)
 
-
-    def init(self, cr):
-        tools.drop_view_if_exists(cr, 'report_pos_order')
-        cr.execute("""
+    @api.model_cr
+    def init(self):
+        tools.drop_view_if_exists(self._cr, 'report_pos_order')
+        self._cr.execute("""
             CREATE OR REPLACE VIEW report_pos_order AS (
                 SELECT
                     MIN(l.id) AS id,

addons/point_of_sale/tests/test_point_of_sale_flow.py

@@ -209,8 +209,7 @@ class TestPointOfSaleFlow(TestPointOfSaleCommon):
             'debit': 0.0,
         }]
 
-        self.AccountBankStatementLine._model.process_reconciliations(
-            self.env.cr, self.env.uid, [account_statement_line.id], [{'new_aml_dicts': new_aml_dicts}])
+        account_statement_line.process_reconciliations([{'new_aml_dicts': new_aml_dicts}])
 
         # I confirm the bank statement using Confirm button