public override async Task <Empty> BatchTransfer(BatchTransferRequest request, Grpc.Core.ServerCallContext context)
{
if (request.Transfers.Any(r => !accountsRepository.CanTransfer(r.AccountId, r.Recipient, r.Amount)))
{
throw new ArgumentException("Cannot transfer founds.");
}
var transferRequests = request.Transfers.Select(r => CreateRequest(r));
var batchAddTransactionsRequest = new BatchCreateTransactionRequest
{
Requests = { transferRequests }
};
var result = await transactionsClient.BatchCreateAsync(batchAddTransactionsRequest, context.RequestHeaders.SelectCustom());
var affectedAccounts = ApplyBatchToRepository(request).ToArray();
if (affectedAccounts.Length > 0)
{
projectionChannel.Publish(context.RequestHeaders.GetFlowId(), new DataProjection <Models.Account, string> {
Upsert = affectedAccounts
});
}
return(new Empty());
}
private IEnumerable <Models.Account> ApplyBatchToRepository(BatchTransferRequest request)
{
var accounts = new Dictionary <string, Models.Account>();
foreach (var t in request.Transfers)
{
accountsRepository.Transfer(t.AccountId, t.Recipient, t.Amount);
accounts[t.AccountId] = accountsRepository.Get(t.AccountId);
accounts[t.Recipient] = accountsRepository.Get(t.Recipient);
}
return(accounts.Select(a => a.Value));
}
public override async Task <Empty> BatchTransfer(BatchTransferRequest request, Grpc.Core.ServerCallContext context)
{
if (request.Transfers.Any(r => !accountsRepository.CanTransfer(r.AccountId, r.Recipient, r.Amount)))
{
throw new ArgumentException("Cannot transfer founds.");
}
var transferRequests = request.Transfers.Select(r => CreateRequest(r));
var batchAddTransactionsRequest = new BatchCreateTransactionRequest
{
Requests = { transferRequests }
};
var result = await transactionsClient.BatchCreateAsync(batchAddTransactionsRequest, context.RequestHeaders.SelectCustom());
foreach (var t in request.Transfers)
{
accountsRepository.Transfer(t.AccountId, t.Recipient, t.Amount);
}
return(new Empty());
}
