some apis of pos

2025-08-20 14:44:43 +03:30
parent 14cd349a7d
commit 20e4bfad75
12 changed files with 316 additions and 29 deletions
--- a/apps/warehouse/pos/api/v1/serializers.py
+++ b/apps/warehouse/pos/api/v1/serializers.py
@@ -0,0 +1,93 @@
+from apps.warehouse.exceptions import (
+    InventoryEntryWeightException,
+    TotalInventorySaleException
+)
+from apps.product.exceptions import QuotaExpiredTimeException
+from apps.warehouse import models as warehouse_models
+from apps.authorization.models import UserRelations
+from rest_framework import serializers
+from django.db import models
+
+
+class InventoryEntrySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = warehouse_models.InventoryEntry
+        fields = [
+            "id",
+            "create_date",
+            "modify_date",
+            "organization",
+            "distribution",
+            "weight",
+            "balance",
+            "lading_number",
+            "delivery_address",
+            "is_confirmed",
+            "notes",
+        ]
+
+    def to_representation(self, instance):
+        """ custom output of inventory entry serializer """
+
+        representation = super().to_representation(instance)
+        if instance.document:
+            representation['document'] = instance.document
+        if instance.distribution:
+            # distribution data
+            representation['distribution'] = {
+                'distribution_identity': instance.distribution.distribution_id,
+                'sale_unit': instance.distribution.quota.sale_unit.unit,
+                'id': instance.distribution.id
+            }
+            representation['quota'] = {
+                'quota_identity': instance.distribution.quota.quota_id,
+                'quota_weight': instance.distribution.quota.quota_weight,
+            }
+            representation['product'] = {
+                'name': instance.distribution.quota.product.name,
+                'id': instance.distribution.quota.product.id,
+            }
+
+        return representation
+
+
+class InventoryQuotaSaleTransactionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = warehouse_models.InventoryQuotaSaleTransaction
+        fields = '__all__'
+        depth = 0
+
+    def validate(self, attrs):
+        """
+        validate total inventory sale should be fewer than
+        inventory entry from distribution
+        """
+        inventory_entry = attrs['inventory_entry']
+        distribution = attrs['quota_distribution']
+
+        total_sale_weight = inventory_entry.inventory_sales.aggregate(
+            total=models.Sum('weight')
+        )['total'] or 0
+
+        if total_sale_weight + attrs['weight'] > distribution.warehouse_balance:
+            raise TotalInventorySaleException()
+
+        return attrs
+
+    def create(self, validated_data):
+        """ Custom create & set some parameters like seller & buyer """
+
+        distribution = validated_data['quota_distribution']
+        seller_organization = distribution.assigned_organization
+
+        user = self.context['request'].user
+        buyer_user = user
+        seller_user = validated_data['inventory_entry'].created_by
+
+        return warehouse_models.InventoryQuotaSaleTransaction.objects.create(
+            seller_organization=seller_organization,
+            seller_user=seller_user,
+            buyer_user=buyer_user,
+            **validated_data
+        )
+