From 00ab59f0e4a49818b6792a19fe2e0f18e6b65868 Mon Sep 17 00:00:00 2001
From: Valentin GHIRARDI <valentin.ghirardi@gmail.com>
Date: Thu, 22 Jan 2026 20:09:20 +0100
Subject: [PATCH] added datetime tracking

---
 .env.empty     |  1 +
 app/dater.py   |  9 +++++++++
 app/handler.py |  2 +-
 app/logger.py  |  6 +++---
 app/main.py    |  4 ++++
 app/server.py  |  8 ++++++--
 app/utils.py   | 11 +++++++++++
 compose.yml    |  1 +
 8 files changed, 36 insertions(+), 6 deletions(-)
 create mode 100644 app/dater.py
 create mode 100644 app/utils.py

diff --git a/.env.empty b/.env.empty
index a5e8a17..a24d615 100644
--- a/.env.empty
+++ b/.env.empty
@@ -2,3 +2,4 @@ HOST=
 PORT=
 CACHE_DURATION=
 ICS_URL=
+TIME_ZONE=
diff --git a/app/dater.py b/app/dater.py
new file mode 100644
index 0000000..54ea58d
--- /dev/null
+++ b/app/dater.py
@@ -0,0 +1,9 @@
+from ics import Calendar
+import utils
+
+def date_calendar(calendar: Calendar):
+    time = utils.format_datetime("%d/%m/%Y %H:%M:%S")
+
+    for event in calendar.events:
+        old_description = f"event.description\n" if event.description else ""
+        event.description = f"{old_description}Retrieved on: {time}"
\ No newline at end of file
diff --git a/app/handler.py b/app/handler.py
index c06d7ea..72ed733 100644
--- a/app/handler.py
+++ b/app/handler.py
@@ -57,7 +57,7 @@ def generate_class(response_callback):
         def do_OPTIONS(self):
             self._handle_request()
 
-        def log_message(self, fmt, *args):
+        def log_message(self, format, *args):
             return
 
     return Handler
\ No newline at end of file
diff --git a/app/logger.py b/app/logger.py
index ec28121..21a2418 100644
--- a/app/logger.py
+++ b/app/logger.py
@@ -1,13 +1,13 @@
 import sys
 import threading
-from datetime import datetime
+import utils
 
 _console_lock = threading.Lock()
 
 def _log(prefix: str, message: str):
-    time = datetime.now().strftime("[%H:%M:%S]")
+    time = utils.format_datetime("%H:%M:%S")
     with _console_lock:
-        print(f"{time} {prefix} {message}")
+        print(f"[{time}] {prefix} {message}")
 
 def info(message: str):
     _log("INFO", message)
diff --git a/app/main.py b/app/main.py
index 2dbeb0f..6dd186a 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,6 +2,7 @@ import signal
 import sys
 import os
 import logger
+import utils
 from server import Server
 
 def _handle_exit(sig, frame):
@@ -30,10 +31,13 @@ def main():
     port = _get_environment_variable("PORT")
     cache_duration = _get_environment_variable("CACHE_DURATION")
     ics_url = _get_environment_variable("ICS_URL")
+    time_zone = _get_environment_variable("TIME_ZONE")
 
     port_int = _parse_environment_variable("PORT", port)
     cache_duration_int = _parse_environment_variable("CACHE_DURATION", cache_duration)
 
+    utils.set_time_zone(time_zone)
+
     server = Server(host, port_int, cache_duration_int, ics_url)
     server.serve()
 
diff --git a/app/server.py b/app/server.py
index 0f4bec0..5b54ff5 100644
--- a/app/server.py
+++ b/app/server.py
@@ -1,5 +1,6 @@
 import time
 import filter
+import dater
 import handler
 from http.server import HTTPServer
 import logger
@@ -16,10 +17,13 @@ class Server:
 
     def _cache_calendar(self):
         if not self._cached_calendar or self._cached_time + self._cache_duration < time.time():
-            self._cached_calendar = grabber.grab_calendar(self._ics_url)
-            if not self._cached_calendar:
+            calendar = grabber.grab_calendar(self._ics_url)
+            if not calendar:
                 return False
 
+            dater.date_calendar(calendar)
+
+            self._cached_calendar = calendar
             self._cached_time = time.time()
             logger.info("Successfully cached calendar")
 
diff --git a/app/utils.py b/app/utils.py
new file mode 100644
index 0000000..a923b39
--- /dev/null
+++ b/app/utils.py
@@ -0,0 +1,11 @@
+from datetime import datetime
+from zoneinfo import ZoneInfo
+
+_time_zone = ""
+
+def set_time_zone(time_zone: str):
+    global _time_zone
+    _time_zone = time_zone
+
+def format_datetime(format: str):
+    return datetime.now(ZoneInfo(_time_zone)).strftime(format)
\ No newline at end of file
diff --git a/compose.yml b/compose.yml
index c65a852..d925e39 100644
--- a/compose.yml
+++ b/compose.yml
@@ -7,3 +7,4 @@ services:
       - PORT=${PORT}
       - CACHE_DURATION=${CACHE_DURATION}
       - ICS_URL=${ICS_URL}
+      - TIME_ZONE=${TIME_ZONE}