[IMP] sale_order_action_invoice_create_hook: Add more options to the hook

Author: etobella

sale_order_action_invoice_create_hook/__manifest__.py

@@ -4,7 +4,7 @@
 {
     "name": "Sale Order Action Invoice Create Hook",
     "author": "Eficent, Odoo Community Association (OCA)",
-    "version": "11.0.1.0.0",
+    "version": "11.0.1.0.1",
     "category": "Sale Workflow",
     "website": "https://github.com/OCA/sale-workflow",
     "depends": [

sale_order_action_invoice_create_hook/hooks.py

@@ -39,23 +39,29 @@ def new_action_invoice_create(self, grouped=False, final=False):
         new_lines = False
         # END HOOK
         for order in self:
-            # START HOOK
-            # Add more flexibility in grouping key fields
-            # WAS: group_key = order.id if grouped
-            # else (order.partner_invoice_id.id, order.currency_id.id)
-            group_key = order.id if grouped else \
-                self._get_invoice_group_key(order)
-            # 'invoice' must be always instantiated respecting the old logic
-            if group_key in invoices:
-                invoice = invoices[group_key]
-            # END HOOK
             for line in order.order_line.sorted(
                     key=lambda l: l.qty_to_invoice < 0):
                 if float_is_zero(line.qty_to_invoice,
                                  precision_digits=precision):
                     continue
+                # START HOOK
+                # Allow to check if a line should not be invoiced
+                if line._do_not_invoice():
+                    continue
+                # END HOOK
+                # START HOOK
+                # Add more flexibility in grouping key fields
+                # WAS: group_key = order.id if grouped
+                # else (order.partner_invoice_id.id, order.currency_id.id)
+                group_key = order.id if grouped else \
+                    self._get_invoice_group_line_key(line)
+                # 'invoice' must be always instantiated
+                # respecting the old logic
+                if group_key in invoices:
+                    invoice = invoices[group_key]
+                    # END HOOK
                 if group_key not in invoices:
-                    inv_data = order._prepare_invoice()
+                    inv_data = line._prepare_invoice()
                     invoice = inv_obj.create(inv_data)
                     references[invoice] = order
                     invoices[group_key] = invoice

sale_order_action_invoice_create_hook/model/sale_order.py

@@ -11,6 +11,20 @@ class SaleOrder(models.Model):
     def _get_invoice_group_key(self, order):
         return (order.partner_invoice_id.id, order.currency_id.id)
 
+    @api.model
+    def _get_invoice_group_line_key(self, line):
+        return self._get_invoice_group_key(line.order_id)
+
     @api.model
     def _get_draft_invoices(self, invoices, references):
         return invoices, references
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    def _prepare_invoice(self):
+        return self.order_id._prepare_invoice()
+
+    def _do_not_invoice(self):
+        return False