public async Task <IdentityResult> CreateAsync(IUser user, CancellationToken cancellationToken = default(CancellationToken))
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
if (!(user is User newUser))
{
throw new ArgumentException("Expected a User instance.", nameof(user));
}
var newUserId = newUser.UserId;
if (String.IsNullOrEmpty(newUserId))
{
// Due to database collation we normalize the userId to lower invariant.
newUserId = _userIdGenerator.GenerateUniqueId(user).ToLowerInvariant();
}
try
{
var attempts = 10;
while (await _session.QueryIndex <UserIndex>(x => x.UserId == newUserId).CountAsync() != 0)
{
if (attempts-- == 0)
{
throw new ApplicationException("Couldn't generate a unique user id. Too many attempts.");
}
newUserId = _userIdGenerator.GenerateUniqueId(user).ToLowerInvariant();
}
newUser.UserId = newUserId;
var context = new UserCreateContext(user);
await Handlers.InvokeAsync((handler, context) => handler.CreatingAsync(context), context, _logger);
if (context.Cancel)
{
return(IdentityResult.Failed());
}
_session.Save(user);
await _session.SaveChangesAsync();
await Handlers.InvokeAsync((handler, context) => handler.CreatedAsync(context), context, _logger);
}
catch (Exception e)
{
_logger.LogError(e, "Unexpected error while creating a new user.");
return(IdentityResult.Failed());
}
return(IdentityResult.Success);
}
public Task CreatingAsync(UserCreateContext context) => Task.CompletedTask;
public Task CreatingAsync(UserCreateContext context)
{
return(Task.CompletedTask);
}
public Task CreatedAsync(UserCreateContext context) => RecordAuditTrailEventAsync(UserAuditTrailEventConfiguration.Created, context.User, _httpContextAccessor.HttpContext.User?.FindFirstValue(ClaimTypes.NameIdentifier), _httpContextAccessor.HttpContext.User?.Identity?.Name);
public override Task CreatedAsync(UserCreateContext context)
{
return(TriggerWorkflowEventAsync(nameof(UserCreatedEvent), (User)context.User));
}
