Send final invoice serial num if report is a summary

pyAEATsii/mapping.py

@@ -78,15 +78,18 @@ class IssuedInvoiceMapper(object):
 
     @classmethod
     def build_invoice_id(cls, invoice):
-        return {
+        ret = {
             'IDEmisorFactura': {
                 'NIF': cls.nif(invoice),
             },
             'NumSerieFacturaEmisor': cls.serial_number(invoice),
-            # TODO: NumSerieFacturaEmisorResumenFinal
             'FechaExpedicionFacturaEmisor':
                 cls.issue_date(invoice).strftime(_DATE_FMT),
         }
+        if cls.invoice_kind(invoice) == 'F4':
+            ret['NumSerieFacturaEmisorResumenFinal'] = \
+                cls.final_serial_number(invoice)
+        return ret
 
     @classmethod
     def build_issued_invoice(cls, invoice):

pyAEATsii/tests/test_mapping.py

@@ -10,6 +10,7 @@ class IssuedTestInvoiceMapper(mapping.IssuedInvoiceMapper):
         period = methodcaller('get', 'period')
         nif = methodcaller('get', 'nif')
         serial_number = methodcaller('get', 'serial_number')
+        final_serial_number = methodcaller('get', 'final_serial_number')
         issue_date = methodcaller('get', 'issue_date')
         invoice_kind = methodcaller('get', 'invoice_kind')
         rectified_invoice_kind = methodcaller('get', 'rectified_invoice_kind')
@@ -186,3 +187,38 @@ def test_rectified_simplified_issued_invoice_with_1_line_mapping():
 
     assert request_['FacturaExpedida']['TipoRectificativa'] == 'I'
     assert 'ImporteTotal' in request_['FacturaExpedida']
+
+def test_summary_issued_invoice_id():
+    """
+    Test that if invoice kind is "F4" the final serial number appears
+    in the invoice id
+    """
+    invoice = {
+        'year': 2017,
+        'period': 5,
+        'nif': '00000010X',
+        'serial_number': 1,
+        'final_serial_number': 'FINAL_ID',
+        'issue_date': date(year=2017, month=12, day=31),
+        'invoice_kind': 'F4',
+        'specialkey_or_trascendence': '01',
+        'description': 'My Description',
+        'not_exempt_kind': 'S1',
+        'counterpart_name': 'Counterpart',
+        'counterpart_nif': '00000011B',
+        'counterpart_id_type': '07',
+        'counterpart_country': 'ES',
+        'taxes': [{
+            'tax_rate': 21,
+            'tax_base': 100,
+            'tax_amount': 21,
+        }, {
+            'tax_rate': 10,
+            'tax_base': 10,
+            'tax_amount': 1,
+        }],
+    }
+    mapper = IssuedTestInvoiceMapper()
+    request_ = mapper.build_submit_request(invoice)
+
+    assert request_['IDFactura']['NumSerieFacturaEmisorResumenFinal'] == 'FINAL_ID'