1 files changed, 14 insertions, 0 deletions
diff --git a/jimbrella/utils.py b/jimbrella/utils.py
index a9f4623..09f0ae2 100644
--- a/jimbrella/utils.py
+++ b/jimbrella/utils.py
@@ -1,6 +1,20 @@
+from datetime import datetime, timedelta
+from .config import *
+
+
 def group_by_status(umbrellas: list) -> dict:
     keys = set([umb["status"] for umb in umbrellas])
     statuses = {}
     for key in keys:
         statuses[key] = [umb for umb in umbrellas if umb["status"] == key]
     return statuses
+
+
+def find_overdue(umbrellas: list) -> list:
+    now = datetime.now()
+    return [
+        umb
+        for umb in umbrellas
+        if umb["lent_at"] is not None
+        and now - umb["lent_at"] > timedelta(hours=DUE_HOURS)
+    ]