Issue #35: prevent crash if missing started_on

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.2] - 2024-05-01
+
+### Fixed
+
+- Download crash if started_on information is missing (#35)
+
 ## [1.1.1] - 2024-04-24
 
 ### Added

src/image_creator/__init__.py

@@ -1 +1 @@
-__version__ = "1.1.1"
+__version__ = "1.1.2"

src/image_creator/utils/aria2.py

@@ -906,21 +906,27 @@ def get_feedback(self, only_for: list[str] | None = None):
             started_ons.append(dl.started_on)
             completed_ons.append(dl.completed_on)
             feedbacks.append(feedback)
-        started_on = min(started_ons)
+
         completed_on = (
             max(completed_ons)
             if all(isinstance(item, datetime.datetime) for item in completed_ons)
             else datetime.datetime.now(tz=datetime.UTC)
         )
-        duration = completed_on - started_on
+        if started_ons:
+            started_on = min(started_ons)
+            duration = completed_on - started_on
+            general_speed = int(downloaded_bytes / duration.total_seconds())
+        else:
+            duration = datetime.timedelta(seconds=0)
+            general_speed = 0
 
         return GeneralFeedback(
             count=Progress(downloaded=downloaded_nb, total=total_nb, speed=0),
             weight=Progress(
                 downloaded=downloaded_bytes, total=total_bytes, speed=speed
             ),
             duration=duration,
-            speed=int(downloaded_bytes / duration.total_seconds()),
+            speed=general_speed,
             downloads=feedbacks,
         )