bulletboards/ImageBoardServerApp/Pages/Accounts/ClickOn/ClickOnConfirmEmail.razor

@page "/sys/click/confirmmail/{userid}/{email}/{token}"
@using System.ComponentModel.DataAnnotations
@using ImageBoardServerApp.Data.Repository
<h3>Confirm your Email</h3>

<span>@msg</span>

@code {
    private string msg { get; set; } = "Loading...";
    
    [Parameter]
    [Required]
    public string userid { get; set; }
    
    [Parameter]
    [Required]
    public string email { get; set; }
    
    [Parameter]
    [Required]
    public string token { get; set; }
    
    protected override async Task OnParametersSetAsync()
    {
        await base.OnParametersSetAsync();

        if (!int.TryParse(userid, out _))
        {
            msg = "malformed userid.";
            return;
        }

        var user = await UsersRepository.getUserByIdAsync(int.Parse(userid));

        if (user == null)
        {
            msg = "Could not find user.";
            return;
        }

        if (user.Email != email)
        {
            msg = "This email is not specified to this account.";
            return;
        }

        if (user.ConfirmEmailToken != token)
        {
            msg = "This token is not associated with the specified account.";
            return;
        }

        user.ConfirmEmailToken = "-1";
        user.ConfirmedEmail = true;

        await UsersRepository.updateUserAsync(user);

        msg = "The email has been confirmed.";
    }

}