Интегрирован wesp в сайт

WESP_REL/app/services/analytics/prices.py

@@ -0,0 +1,46 @@
+"""Цены компонентов для analytics."""
+
+from __future__ import annotations
+
+from typing import Dict, List, Optional
+
+from sqlalchemy import select
+
+from app import db
+from app.models import Component
+
+
+def component_prices(
+    *,
+    component_ids: Optional[List[str]] = None,
+    names: Optional[List[str]] = None,
+) -> Dict[str, float]:
+    """component_id или имя -> price руб/кг."""
+    prices: Dict[str, float] = {}
+    ids = [x for x in (component_ids or []) if x]
+    if ids:
+        rows = db.session.execute(
+            select(Component).where(
+                Component.id.in_(ids),
+                Component.is_deleted.is_(False),
+            )
+        ).scalars().all()
+        for row in rows:
+            prices[row.id] = float(row.price or 0)
+    for name in names or []:
+        if not name or name in prices:
+            continue
+        row = db.session.execute(
+            select(Component)
+            .where(Component.name == name, Component.is_deleted.is_(False))
+            .limit(1)
+        ).scalar_one_or_none()
+        if row:
+            prices[name] = float(row.price or 0)
+    return prices
+
+
+def price_for(*, prices: Dict[str, float], component_id: Optional[str], name: str) -> float:
+    if component_id and component_id in prices:
+        return prices[component_id]
+    return prices.get(name, 0.0)