Show daily streak count on leaderboard as well

app/routes/dashboard.py

@@ -1,51 +1,11 @@
 from flask import Blueprint, render_template
 from app.auth import login_required, get_current_user
 from app.db import query, query_one
-from app import SYDNEY_TZ
-from datetime import datetime, timezone, timedelta
+from app.utils import calculate_streak
 
 bp = Blueprint("dashboard", __name__)
 
 
-def calculate_streak(user_id):
-    """Calculate current and best consecutive-day check-in streaks."""
-    rows = query(
-        """SELECT DISTINCT (checked_in_at AT TIME ZONE 'UTC' AT TIME ZONE 'Australia/Sydney')::date AS d
-           FROM checkins WHERE user_id = %s ORDER BY d DESC""",
-        (user_id,),
-    )
-    if not rows:
-        return {"current": 0, "best": 0}
-
-    days = [r["d"] for r in rows]
-    today = datetime.now(SYDNEY_TZ).date()
-
-    # Current streak: must include today or yesterday to count
-    current = 0
-    expected = today
-    if days[0] == today or days[0] == today - timedelta(days=1):
-        expected = days[0]
-        for d in days:
-            if d == expected:
-                current += 1
-                expected -= timedelta(days=1)
-            else:
-                break
-
-    # Best streak
-    best = 1
-    run = 1
-    for i in range(1, len(days)):
-        if days[i] == days[i - 1] - timedelta(days=1):
-            run += 1
-            best = max(best, run)
-        else:
-            run = 1
-
-    best = max(best, current)
-    return {"current": current, "best": best}
-
-
 @bp.route("/")
 @login_required
 def index():