Provide default dates to a new invoice

lib/invoice/db/invoices.py

@@ -22,13 +22,14 @@ class Invoices(List):
     Translate -- whether to use english translations for various text blocks
     """
     data_template = """\
-Item:Description|Amount|Unit|Rate
-Issued:
-Delivered:
-Due:
+ItemHeading: Faktúrujeme Vám za služby podľa Rámcovej zmluvy
+Item: Description|Amount|Unit|Rate
+Issued: {0}
+Delivered: {0}
+Due: 
 Advance: 0
-"""
 Translate: 0
+""".format(datetime.datetime.today().strftime("%Y-%m-%d"))
     _directory = "income"
     _regex = re.compile("^(?P<date>[0-9]{8})-(?P<number>[0-9]{3})-(?P<company_name>[a-z0-9-]+)$")
     _template = "{date}-{number:03}-{company_name}"