fix agencie share on pos device - fix validation bug of free product pos

apps/product/services/services.py

@@ -1,6 +1,14 @@
-from apps.product.models import Quota, QuotaLivestockAllocation
+from collections import defaultdict
+
+from apps.product.models import (
+    Quota,
+    QuotaLivestockAllocation,
+    QuotaPriceCalculationItems,
+    QuotaFinalPriceTypes
+)
 from apps.warehouse.models import InventoryEntry
 from apps.herd.models import Rancher
+from django.db.models import Sum
 import typing
 
 
@@ -86,3 +94,42 @@ def quota_attribute_value(quota: Quota) -> typing.Any:
         } for attr in attributes]
 
         return attribute_values_list
+
+
+def quota_pricing_items_by_type(quota: Quota) -> typing.Any:
+    """
+    information of quota pricing items by final price type
+    Optimized: fetch all pricing items once, group by pricing_type
+    """
+    # مرحله ۱: همه‌ی آیتم‌های مربوط به این quota رو یکجا بگیر
+    items = (
+        QuotaPriceCalculationItems.objects
+            .filter(quota=quota)
+            .select_related("pricing_type")
+            .values("pricing_type_id", "pricing_type__en_name", "pricing_type__name", "name", "value")
+    )
+
+    # مرحله ۲: گروه‌بندی آیتم‌ها بر اساس pricing_type
+    grouped = defaultdict(list)
+    for item in items:
+        key = item["pricing_type__en_name"]
+        grouped[key].append({
+            "name": item["name"],
+            "value": item["value"]
+        })
+
+    # مرحله ۳: جمع کل هر گروه
+    result = []
+    for en_name, group_items in grouped.items():
+        total_price = sum(i["value"] for i in group_items if i["value"])
+        fa_name = next(
+            (i["pricing_type__name"] for i in items if i["pricing_type__en_name"] == en_name),
+            en_name
+        )
+        result.append({
+            en_name: group_items,
+            f"{en_name}_fa": fa_name,
+            f"{en_name}_total_price": total_price,
+        })
+
+    return result