Show running tasks on dashboard

allianceauth/authentication/task_statistics/counters.py

@@ -1,35 +1,44 @@
-from collections import namedtuple
+"""Counters for Task Statistics."""
+
 import datetime as dt
+from typing import NamedTuple, Optional
 
 from .event_series import EventSeries
+from .helpers import ItemCounter
 
-
-"""Global series for counting task events."""
+# Global series for counting task events.
 succeeded_tasks = EventSeries("SUCCEEDED_TASKS")
 retried_tasks = EventSeries("RETRIED_TASKS")
 failed_tasks = EventSeries("FAILED_TASKS")
+running_tasks = ItemCounter("running_tasks")
 
 
-_TaskCounts = namedtuple(
-    "_TaskCounts", ["succeeded", "retried", "failed", "total", "earliest_task", "hours"]
-)
+class _TaskCounts(NamedTuple):
+    succeeded: int
+    retried: int
+    failed: int
+    total: int
+    earliest_task: Optional[dt.datetime]
+    hours: int
+    running: int
 
 
 def dashboard_results(hours: int) -> _TaskCounts:
-    """Counts of all task events within the given timeframe."""
+    """Counts of all task events within the given time frame."""
 
     def earliest_if_exists(events: EventSeries, earliest: dt.datetime) -> list:
         my_earliest = events.first_event(earliest=earliest)
         return [my_earliest] if my_earliest else []
 
     earliest = dt.datetime.utcnow() - dt.timedelta(hours=hours)
-    earliest_events = list()
+    earliest_events = []
     succeeded_count = succeeded_tasks.count(earliest=earliest)
     earliest_events += earliest_if_exists(succeeded_tasks, earliest)
     retried_count = retried_tasks.count(earliest=earliest)
     earliest_events += earliest_if_exists(retried_tasks, earliest)
     failed_count = failed_tasks.count(earliest=earliest)
     earliest_events += earliest_if_exists(failed_tasks, earliest)
+    running_count = running_tasks.value()
     return _TaskCounts(
         succeeded=succeeded_count,
         retried=retried_count,
@@ -37,4 +46,5 @@ def dashboard_results(hours: int) -> _TaskCounts:
         total=succeeded_count + retried_count + failed_count,
         earliest_task=min(earliest_events) if earliest_events else None,
         hours=hours,
+        running=running_count,
     )