Add streak display to overview window

anki_helpers/activity.py

@@ -1,29 +0,0 @@
-from datetime import datetime, timedelta
-def analyze_activity(col) -> dict:
-    """Analysiert die Aktivität der letzten 30 Tage anhand des Revlogs."""
-    cutoff = (col.sched.day_cutoff - 86400 * 30) * 1000
-
-    # Hol alle Review-Einträge der letzten 30 Tage
-    rows = col.db.all("""
-        SELECT id FROM revlog
-        WHERE id > ? AND type IN (0, 1, 2, 3, 4)
-    """, cutoff)
-
-    # Extrahiere das Datum aus den IDs (ms seit Unix-Zeit)
-    dates = [datetime.fromtimestamp(row[0] / 1000).date() for row in rows]
-
-    # Zähle, an wie vielen Tagen es Aktivität gab
-    day_counts = {}
-    for date in dates:
-        day_counts[date] = day_counts.get(date, 0) + 1
-
-    active_days = len(day_counts)
-    total_reviews = sum(day_counts.values())
-    average = total_reviews / 30
-    low_days = sum(1 for v in day_counts.values() if v < 20)
-
-    return {
-        "active_days": active_days,
-        "average_per_day": round(average, 1),
-        "low_days": low_days,
-    }