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path: root/code/api/src/Endpoints/Internal/Account/CreateAccountRoute.cs
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using Microsoft.Extensions.Localization;

namespace IOL.GreatOffice.Api.Endpoints.Internal.Account;

public class CreateAccountRoute : RouteBaseAsync.WithRequest<CreateAccountRoute.Payload>.WithActionResult
{
    private readonly MainAppDatabase _database;
    private readonly UserService _userService;
    private readonly IStringLocalizer<SharedResources> _localizer;

    public CreateAccountRoute(UserService userService, MainAppDatabase database, IStringLocalizer<SharedResources> localizer) {
        _userService = userService;
        _database = database;
        _localizer = localizer;
    }

    public class Payload
    {
        public string Username { get; set; }
        public string Password { get; set; }
    }

    [AllowAnonymous]
    [HttpPost("~/_/account/create")]
    public override async Task<ActionResult> HandleAsync(Payload request, CancellationToken cancellationToken = default) {
        var errors = new Dictionary<string, string>();
        if (request.Username.IsValidEmailAddress() == false) {
            errors.Add("username", _localizer["{0} does not look like a valid email", request.Username]);
        }

        if (request.Password.Length < 6) {
            errors.Add("password", _localizer["The password requires 6 or more characters."]);
        }

        var username = request.Username.Trim();
        if (errors.All(p => p.Key != "username") && _database.Users.Any(c => c.Username == username)) {
            errors.Add("username", _localizer["There is already a user registered with username: {0}", username]);
        }

        if (errors.Any()) {
            return KnownProblem(_localizer["Invalid form"], _localizer["You have invalid values"], errors);
        }

        var user = new User(username);
        user.HashAndSetPassword(request.Password);
        _database.Users.Add(user);
        await _database.SaveChangesAsync(cancellationToken);
        await _userService.LogInUser(HttpContext, user);
        return Ok();
    }
}