[IMP] purchase_requisition: prepare method for order lines creation

Closes #16080

Add a prepare method easy to override in Purchase Requisition Line to create the dictionary of values for order line creation

addons/purchase_requisition/models/purchase_requisition.py

@@ -138,6 +138,22 @@ class PurchaseRequisitionLine(models.Model):
         if not self.schedule_date:
             self.schedule_date = self.requisition_id.schedule_date
 
+    @api.multi
+    def _prepare_purchase_order_line(self, name, product_qty=0.0, price_unit=0.0, taxes_ids=False):
+        self.ensure_one()
+        requisition = self.requisition_id
+        return {
+            'name': name,
+            'product_id': self.product_id.id,
+            'product_uom': self.product_id.uom_po_id.id,
+            'product_qty': product_qty,
+            'price_unit': price_unit,
+            'taxes_id': [(6, 0, taxes_ids)],
+            'date_planned': requisition.schedule_date or fields.Date.today(),
+            'procurement_ids': [(6, 0, [requisition.procurement_id.id])] if requisition.procurement_id else False,
+            'account_analytic_id': self.account_analytic_id.id,
+        }
+
 
 class PurchaseOrder(models.Model):
     _inherit = "purchase.order"
@@ -209,17 +225,10 @@ class PurchaseOrder(models.Model):
                 price_unit = requisition.company_id.currency_id.compute(price_unit, currency)
 
             # Create PO line
-            order_lines.append((0, 0, {
-                'name': name,
-                'product_id': line.product_id.id,
-                'product_uom': line.product_id.uom_po_id.id,
-                'product_qty': product_qty,
-                'price_unit': price_unit,
-                'taxes_id': [(6, 0, taxes_ids)],
-                'date_planned': requisition.schedule_date or fields.Date.today(),
-                'procurement_ids': [(6, 0, [requisition.procurement_id.id])] if requisition.procurement_id else False,
-                'account_analytic_id': line.account_analytic_id.id,
-            }))
+            order_line_values = line._prepare_purchase_order_line(
+                name=name, product_qty=product_qty, price_unit=price_unit,
+                taxes_ids=taxes_ids)
+            order_lines.append((0, 0, order_line_values))
         self.order_line = order_lines
 
     @api.multi