public void TryToAdd(CommandRegistryItem item, CancellationToken cancellationToken = default)
{
if (_inner.Where(x => !string.IsNullOrEmpty(item.Key) && x.Value.Key == item.Key && x.Value.State < CommandRegistryItemState.Cancelled).Any())
{
throw new ConcurrencyException();
}
item.CancellationToken = cancellationToken;
item.SetConflictingIds(GetIdsOfConflictingIncompleteRequests(item));
item.Index = _inner.Count() + 1;
_inner.TryAdd(item.CorrelationId, item);
}
public async Task <IActionResult> Post(CancellationToken cancellationToken = default)
{
var authorizationResult = await _authorizationService.AuthorizeAsync(_httpContextAccessor.HttpContext.User, new AuthorizationPolicyBuilder()
.RequireAuthenticatedUser()
.Build());
var item = await CommandRegistryItem.ParseAsync(Request);
if (!authorizationResult.Succeeded && !item.hasAllowAnonymousAttribute)
{
return(new UnauthorizedResult());
}
var syncLock = _locks.GetOrAdd($"{item.PartitionKey}", id => new object());
lock (syncLock)
_commandRegistry.TryToAdd(item);
if (item.HasConflicts())
{
await Observable.Zip(_commandRegistry
.GetByCorrelationIds(item.ConflictingIds.Split(','))
.Select(x => x.Completed));
}
dynamic result = default;
try
{
result = await _mediator.Send(JsonConvert.DeserializeObject(item.Request, Type.GetType(item.RequestDotNetType)) as dynamic);
item.Complete();
}
catch (Exception e)
{
item.Error();
throw e;
}
return(new JsonResult(result));
}
public void Remove(CommandRegistryItem item) => _inner.TryRemove(item.CorrelationId, out _);
private string GetIdsOfConflictingIncompleteRequests(CommandRegistryItem item)
=> string.Join(",", GetAllIncomplete(item.PartitionKey)
.Where(incompleteRequest => item.ConflictsWith(incompleteRequest))
.Select(x => x.CorrelationId));