private async Task <string?> CheckAppAsync(IAppsCacheGrain cache, CreateApp command)
{
var token = await cache.ReserveAsync(command.AppId, command.Name);
if (token == null)
{
throw new ValidationException(T.Get("apps.nameAlreadyExists"));
}
try
{
var existingId = await GetAppIdAsync(command.Name);
if (existingId != default)
{
throw new ValidationException(T.Get("apps.nameAlreadyExists"));
}
}
catch
{
// Catch our own exception, just in case something went wrong before.
await cache.RemoveReservationAsync(token);
throw;
}
return(token);
}
private static async Task <string?> CheckAppAsync(IAppsCacheGrain cache, CreateApp command)
{
var token = await cache.ReserveAsync(command.AppId, command.Name);
if (token == null)
{
throw new ValidationException(T.Get("apps.nameAlreadyExists"));
}
return(token);
}