orabis/E6-BStockSeeker
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adjust serializers update method

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Léo 2025-02-03 14:10:09 +01:00
parent 1649c23c17
commit e964764977
1 changed files with 17 additions and 6 deletions
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23
StockSeeker/serializers.py
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@ -68,27 +68,38 @@ class ProductSerializer(serializers.ModelSerializer):
return product return product
def update(self,instance, validated_data): def update(self, instance, validated_data):
new_quantity = validated_data.get("quantity", instance.quantity) new_quantity = validated_data.get("quantity", instance.quantity)
quantity_difference = new_quantity - instance.quantity new_warehouses = validated_data.pop('warehouses', [])
warehouses = validated_data.pop('warehouses', [])
old_warehouses = list(instance.warehouses.all())
old_quantity = instance.quantity
with transaction.atomic(): with transaction.atomic():
for warehouse in old_warehouses:
warehouse.refresh_from_db()
warehouse.actual_capacity = F('actual_capacity') + old_quantity
warehouse.save(update_fields=['actual_capacity'])
instance.name = validated_data.get("name", instance.name) instance.name = validated_data.get("name", instance.name)
instance.description = validated_data.get("description", instance.description) instance.description = validated_data.get("description", instance.description)
instance.quantity = new_quantity instance.quantity = new_quantity
instance.warehouses.set(warehouses)
instance.save() instance.save()
instance.warehouses.set(new_warehouses)
instance.refresh_from_db() instance.refresh_from_db()
for warehouse in instance.warehouses.all(): for warehouse in instance.warehouses.all():
warehouse.refresh_from_db() warehouse.refresh_from_db()
if warehouse.actual_capacity - quantity_difference < 0: if warehouse.actual_capacity - new_quantity < 0:
raise serializers.ValidationError({ raise serializers.ValidationError({
'quantity': ["L'entrepôt n'a plus assez de place"] 'quantity': ["L'entrepôt n'a plus assez de place"]
}) })
warehouse.actual_capacity = F('actual_capacity') - quantity_difference warehouse.actual_capacity = F('actual_capacity') - new_quantity
warehouse.save(update_fields=['actual_capacity']) warehouse.save(update_fields=['actual_capacity'])
return instance return instance
def destroy(self, instance): def destroy(self, instance):
with transaction.atomic(): with transaction.atomic():