add purchace limitations system for rancher - add incentive plans to rancher entries data

apps/warehouse/pos/api/v1/serializers.py

@@ -1,5 +1,8 @@
 from apps.herd.services.services import get_rancher_statistics, rancher_quota_weight
-from apps.product.services.services import quota_live_stock_allocation_info
+from apps.product.services.services import (
+    quota_live_stock_allocation_info,
+    quota_incentive_plans_info
+)
 from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
 from apps.herd.pos.api.v1.serializers import RancherSerializer
 from apps.warehouse.exceptions import (
@@ -46,7 +49,8 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
                 'quota_weight': instance.distribution.quota.quota_weight,
                 'quota_livestock_allocations': quota_live_stock_allocation_info(
                     instance.distribution.quota
-                )
+                ),
+                'quota_incentive_plans': quota_incentive_plans_info(instance.distribution.quota)
             }
             representation['product'] = {
                 'name': instance.distribution.quota.product.name,

apps/warehouse/services/services.py

@@ -1,5 +1,6 @@
 from apps.warehouse.models import InventoryEntry, InventoryQuotaSaleTransaction
 from apps.herd.services.services import rancher_quota_weight, get_rancher_statistics
+from apps.core.models import SystemConfig
 from django.db.models import Sum
 
 
@@ -17,6 +18,12 @@ def get_total_sold(inventory_entry, rancher):
 def can_buy_from_inventory(rancher, inventory_entry: InventoryEntry):
     """
     """
+    if SystemConfig.get("IGNORE_ALL_RANCHER_PURCHASE_LIMITS") == "true":
+        return True
+
+    if rancher.ignore_purchase_limit:
+        return True
+
     quota_weight = rancher_quota_weight(rancher, inventory_entry)  # {total, by_type}
     total_allowed = quota_weight['total']