Add ErratumByDateFilterRule (#1374)

* Add ErratumByDateFilterRule

* Add new entity to nailgun tests

Author: sambible

nailgun/entities.py

@@ -2794,7 +2794,7 @@ def __init__(self, server_config=None, **kwargs):
             'content_view': entity_fields.OneToOneField(ContentView, required=True),
             'description': entity_fields.StringField(),
             'type': entity_fields.StringField(
-                choices=('erratum', 'package_group', 'rpm', 'modulemd', 'docker'),
+                choices=('erratum', 'erratum_date', 'package_group', 'rpm', 'modulemd', 'docker'),
                 required=True,
             ),
             'inclusion': entity_fields.BooleanField(),
@@ -2819,6 +2819,14 @@ def __init__(self, server_config=None, **kwargs):
         self._fields['type'].default = 'erratum'
 
 
+class ErratumByDateContentViewFilter(AbstractContentViewFilter):
+    """A representation of a Content View Filter of type "erratum_date"."""
+
+    def __init__(self, server_config=None, **kwargs):
+        super().__init__(server_config=server_config, **kwargs)
+        self._fields['type'].default = 'erratum_date'
+
+
 class ModuleStreamContentViewFilter(AbstractContentViewFilter):
     """A representation of a Content View Filter of type "modulemd"."""
 

tests/test_entities.py

@@ -121,6 +121,7 @@ def test_init_succeeds(self):
                 entities.Environment,
                 entities.Errata,
                 entities.ErratumContentViewFilter,
+                entities.ErratumByDateContentViewFilter,
                 entities.File,
                 entities.Filter,
                 entities.FlatpakRemoteRepository,