feature: added number week

Author: n0rfas

git_analytics/helpers.py

@@ -0,0 +1,6 @@
+from datetime import date, datetime
+from typing import Union
+
+
+def get_number_week(dt: Union[date, datetime]) -> str:
+    return f"w{dt.isocalendar()[1]:02d}"

tests/test_helpers.py

@@ -0,0 +1,15 @@
+from datetime import date, datetime
+
+import freezegun
+
+from git_analytics.helpers import get_number_week
+
+
+def test_helpers_get_number_week():
+    with freezegun.freeze_time("2025-01-01"):
+        assert get_number_week(datetime.now()) == "w01"
+        assert get_number_week(date.today()) == "w01"
+
+    with freezegun.freeze_time("2025-03-10"):
+        assert get_number_week(datetime.now()) == "w11"
+        assert get_number_week(date.today()) == "w11"