05/07 Phase 3: fixed tenant's appoinment page error

app/tenant/appointments/routes.py

@@ -46,8 +46,12 @@ def index():
         tenant_id=g.tenant.id, is_active=True).filter(
         Service.deleted_at.is_(None)).order_by(Service.name).all()
 
+    prev_date = view_date - timedelta(days=1)
+    next_date = view_date + timedelta(days=1)
+
     return render_template("tenant/appointments/index.html",
                            appointments=appts, view_date=view_date,
+                           prev_date=prev_date, next_date=next_date,
                            staff_list=staff_list, services=services)
 
 
@@ -224,4 +228,4 @@ def _user_db_id():
         uid_str = current_user.get_id()
         return int(uid_str.split(":")[1]) if uid_str and ":" in uid_str else None
     except Exception:
-        return None
+        return None