public async Task Register(RegisterAccountContract contract)
{
// this query can have concurrency but since normalized username and email
// columns have unique indexes then savechanges with same credentials
// on different threads will cuz exception from db
var existingUserName = await _userManager.FindByNameAsync(contract.UserName);
if (existingUserName != null)
{
throw new BaseException("Account with same user name already exists");
}
var existingEmail = await _userManager.FindByEmailAsync(contract.Email);
if (existingEmail != null)
{
throw new BaseException("Account with same email already exists");
}
var account = new Account
{
UserName = contract.UserName,
Email = contract.Email,
};
var result = await _userManager.CreateAsync(account, contract.Password);
if (!result.Succeeded)
{
var descriptions = result.Errors.Select(x => x.Description);
var error = descriptions.Aggregate((curr, next) => $"{curr}{Environment.NewLine}{next}");
throw new BaseException(error);
}
}
public async Task <IActionResult> Register([FromBody] RegisterAccountContract contract)
{
await _authService.Register(contract);
return(Ok());
}
