New alert service

services/production/app/api/production_batches.py

@@ -25,6 +25,7 @@ from app.schemas.production import (
     ProductionStatusEnum
 )
 from app.core.config import settings
+from app.utils.cache import get_cached, set_cached, make_cache_key
 
 logger = structlog.get_logger()
 route_builder = RouteBuilder('production')
@@ -56,8 +57,23 @@ async def list_production_batches(
     current_user: dict = Depends(get_current_user_dep),
     production_service: ProductionService = Depends(get_production_service)
 ):
-    """List batches with filters: date, status, product, order_id"""
+    """List batches with filters: date, status, product, order_id (with Redis caching - 20s TTL)"""
     try:
+        # PERFORMANCE OPTIMIZATION: Cache frequently accessed queries (status filter, first page)
+        cache_key = None
+        if page == 1 and product_id is None and order_id is None and start_date is None and end_date is None:
+            # Cache simple status-filtered queries (common for dashboards)
+            cache_key = make_cache_key(
+                "production_batches",
+                str(tenant_id),
+                status=status.value if status else None,
+                page_size=page_size
+            )
+            cached_result = await get_cached(cache_key)
+            if cached_result is not None:
+                logger.debug("Cache hit for production batches", cache_key=cache_key, tenant_id=str(tenant_id), status=status)
+                return ProductionBatchListResponse(**cached_result)
+
         filters = {
             "status": status,
             "product_id": str(product_id) if product_id else None,
@@ -68,6 +84,11 @@ async def list_production_batches(
 
         batch_list = await production_service.get_production_batches_list(tenant_id, filters, page, page_size)
 
+        # Cache the result if applicable (20s TTL for production batches)
+        if cache_key:
+            await set_cached(cache_key, batch_list.model_dump(), ttl=20)
+            logger.debug("Cached production batches", cache_key=cache_key, ttl=20, tenant_id=str(tenant_id), status=status)
+
         logger.info("Retrieved production batches list",
                    tenant_id=str(tenant_id), filters=filters)