Jul 13 - Optimize code

app/services/ads.py

@@ -20,6 +20,7 @@ Sponsors:
 """
 import random
 from datetime import datetime
+from app.utils.time import utcnow
 from app.extensions import db
 from app.models.ads import Ad, Sponsor, PromotedKeyword
 from app.models.listing import Listing
@@ -28,7 +29,7 @@ from app.utils.text import normalize
 
 def get_ad(slot: str, lang: str = None, state: str = None) -> "Ad | None":
     """Return one active ad for the slot, targeted then untargeted fallback."""
-    now = datetime.utcnow()
+    now = utcnow()
     base = Ad.query.filter(
         Ad.slot == slot,
         Ad.is_active == True,
@@ -76,7 +77,7 @@ def promoted_listings(keyword: str) -> list:
     if not keyword:
         return []
     norm = normalize(keyword)
-    now = datetime.utcnow()
+    now = utcnow()
     rows = (PromotedKeyword.query
             .filter(PromotedKeyword.expires_at > now)
             .order_by(PromotedKeyword.priority.desc())
@@ -94,7 +95,7 @@ def promoted_listings(keyword: str) -> list:
 
 def active_sponsors(tier: str = None, category_id: int = None) -> list:
     """Return running sponsors, optionally filtered by tier and category."""
-    now = datetime.utcnow()
+    now = utcnow()
     q = Sponsor.query.filter(
         Sponsor.is_active == True,
         Sponsor.starts_at <= now,
@@ -109,7 +110,7 @@ def active_sponsors(tier: str = None, category_id: int = None) -> list:
 
 def expire_promoted_keywords() -> int:
     """Remove expired promoted keyword rows. Returns count."""
-    now = datetime.utcnow()
+    now = utcnow()
     expired = PromotedKeyword.query.filter(
         PromotedKeyword.expires_at <= now).all()
     n = len(expired)