Add django model mixin for package activity

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

aboutcode/federatedcode/contrib/__init__.py

@@ -0,0 +1,38 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# FederatedCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/federatedcode for support or download.
+# See https://aboutcode.org for more information about AboutCode.org OSS projects.
+#
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class FederatedCodePackageActivityMixin(models.Model):
+    """Abstract Model for FederatedCode package activity."""
+
+    author = models.CharField(
+        max_length=300,
+        null=False,
+        blank=False,
+        help_text=_("Author of package activity."),
+    )
+
+    content = models.JSONField(
+        null=False,
+        blank=False,
+        help_text=_("Package activity content."),
+    )
+
+    activity_update_date = models.DateTimeField(
+        null=True,
+        blank=True,
+        db_index=True,
+        help_text=_("Timestamp indicating when original activity was last updated."),
+    )
+
+    class Meta:
+        abstract = True

aboutcode/federatedcode/contrib/django/__init__.py

@@ -35,11 +35,13 @@ classifiers = [
 ]
 
 dependencies = [
-    "packageurl_python >= 0.15.6",
     "aboutcode.hashid>=0.2.0",
-    "python-dotenv>=1.0.1",
     "click>=8.1.7",
+    "Django>=5.1.2",
+    "packageurl_python >= 0.15.6",
+    "python-dotenv>=1.0.1",
     "requests>=2.32.3",
+    "saneyaml>=0.6.0",
 ]
 
 urls = { Homepage = "https://github.com/aboutcode-org/federatedcode" }