Not create 347 register if the invoice is and auto-invoice, the party is

the comapny party.

Ensure if the identifier doesn't exist, not create a 347 register.

Task: #174268

aeat.py

@@ -376,6 +376,8 @@ def is_decimal(value):
             for (tax_identifier_id, opkey, q1, q2, q3, q4, amount, records
                     ) in result:
                 tax_identifier = PartyIdentifier(tax_identifier_id)
+                if not tax_identifier:
+                    continue
                 party = tax_identifier.party
                 if not party:
                     continue

invoice.py

@@ -196,10 +196,11 @@ def check_347_taxes(self):
                     include = True
         return include
 
-    @fields.depends('type', 'aeat347_operation_key')
+    @fields.depends('type', 'aeat347_operation_key', 'party', 'company')
     def _on_change_lines_taxes(self):
         super(Invoice, self)._on_change_lines_taxes()
-        if self.taxes and not self.check_347_taxes():
+        if ((self.taxes and not self.check_347_taxes())
+                or (self.company and self.party == self.company.party)):
             self.aeat347_operation_key = 'empty'
         elif not self.aeat347_operation_key:
             self.aeat347_operation_key = self.get_aeat347_operation_key(
@@ -221,6 +222,8 @@ def create_aeat347_records(cls, invoices):
                 invoice.aeat347_operation_key = 'empty'
                 to_update.append(invoice)
                 continue
+            if invoice.party == invoice.company.party:
+                continue
             if not invoice.aeat347_operation_key:
                 invoice.aeat347_operation_key = \
                     invoice.get_aeat347_operation_key(invoice.type)

tests/test_scenario_aeat347.py

@@ -173,6 +173,21 @@ def test(self):
         self.assertEqual(rec1.operation_key, 'B')
         self.assertEqual(rec1.amount, Decimal('3520.00'))
 
+        # Create self out invoice
+        Record = Model.get('aeat.347.record')
+        Invoice = Model.get('account.invoice')
+        invoice = Invoice()
+        invoice.party = company.party
+        invoice.payment_term = payment_term
+        line = invoice.lines.new()
+        line.product = product
+        line.unit_price = Decimal(40)
+        line.quantity = 80
+        self.assertEqual(len(line.taxes), 1)
+        self.assertEqual(line.amount, Decimal('3200.00'))
+        invoice.click('post')
+        self.assertEqual(Record.find([('invoice', '=', invoice.id)]), [])
+
         # Create out credit note
         invoice = Invoice()
         invoice.type = 'out'