public async Task <Inventory> IncrementInventoryAsync(Guid itemId, decimal quantity, int index, CancellationToken cancellationToken)
{
_logger.LogDebug($"Increment inventory index {index}");
var item = await _itemRepository.GetByKeyAsync(itemId, cancellationToken);
if (item == null)
{
throw new Exception("Could not find item");
}
var inventories = await _inventoryRepository
.GetByItemId(itemId, cancellationToken);
var inventory = inventories?.FirstOrDefault();
if (inventory == null)
{
inventory = new Inventory
{
Count = quantity,
Id = Guid.NewGuid(),
ItemId = itemId
};
await _inventoryRepository.CreateAsync(inventory, cancellationToken);
}
else
{
inventory.Count += quantity;
await _inventoryRepository.UpdateAsync(inventory, cancellationToken);
}
return(inventory);
}
