Jul 13 - Optimize code

app/services/admin_dashboard.py

@@ -1,5 +1,6 @@
 """Admin dashboard KPI queries. Money returned as integer cents."""
 from datetime import datetime, timedelta
+from app.utils.time import utcnow
 from app.extensions import db
 from app.models.user import User
 from app.models.listing import Listing
@@ -13,12 +14,12 @@ _ACTIVE_SUB_STATUSES = ("active", "trialing")
 def active_listings_count():
     return Listing.query.filter(
         Listing.status == ListingStatus.active,
-        Listing.expires_at > datetime.utcnow(),
+        Listing.expires_at > utcnow(),
     ).count()
 
 
 def new_users_count(days):
-    since = datetime.utcnow() - timedelta(days=days)
+    since = utcnow() - timedelta(days=days)
     return User.query.filter(User.created_at >= since).count()
 
 
@@ -32,7 +33,7 @@ def mrr_cents():
 
 def revenue_30d_cents():
     """Subscription + boost transactions in the last 30 days."""
-    since = datetime.utcnow() - timedelta(days=30)
+    since = utcnow() - timedelta(days=30)
     return (db.session.query(db.func.coalesce(db.func.sum(Transaction.amount_cents), 0))
             .filter(Transaction.type.in_(("subscription", "boost")),
                     Transaction.created_at >= since,