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public class BaseController<T> : Controller where T : Controller
{
    private IBreadCrumbService _breadCrumbInstance;
    private INotyfService _toastInstance;
    private ILogger _loggerInstance;

    protected INotyfService _toast => _toastInstance ??= HttpContext.RequestServices.GetService<INotyfService>();
    protected IBreadCrumbService _breadcrumbs =>
        _breadCrumbInstance ??= HttpContext.RequestServices.GetService<IBreadCrumbService>();
    protected ILogger _logger => _loggerInstance ??= HttpContext.RequestServices.GetService<ILogger<T>>();
}

using System.Security.Claims;

namespace Infrastructure.Extensions;

public static class ClaimsPrincipalExtensions
{
    /// <summary>
    ///     Returns the principal user email claim value
    /// </summary>
    /// <param name="principal"></param>
    /// <returns></returns>
    public static string GetUserEmail(this ClaimsPrincipal principal)
    {
        return principal.FindFirstValue(ClaimTypes.Email) ?? string.Empty;
    }

    /// <summary>
    ///     Returns the principal user id identifier claim value
    /// </summary>
    /// <param name="principal"></param>
    /// <returns></returns>
    public static string GetUserId(this ClaimsPrincipal principal)
    {
        return principal.FindFirstValue(ClaimTypes.NameIdentifier) ?? string.Empty;
    }

    /// <summary>
    ///     Returns the principal user username
    /// </summary>
    /// <param name="principal"></param>
    /// <returns></returns>
    public static string GetUsername(this ClaimsPrincipal principal)
    {
        return principal.FindFirstValue(ClaimTypes.Name) ?? string.Empty;
    }

    public static string FirstName(this ClaimsPrincipal principal)
    {
        return principal.FindFirstValue(ClaimTypes.GivenName) ?? string.Empty;
    }


    public static string LastName(this ClaimsPrincipal principal)
    {
        return principal.FindFirstValue(ClaimTypes.Surname) ?? string.Empty;
    }

    /// <summary>
    ///     Checks to see if the user given by id matches the principal user id
    /// </summary>
    /// <param name="principal"></param>
    /// <param name="id"></param>
    /// <returns></returns>
    public static bool IsCurrentUser(this ClaimsPrincipal principal, string id)
    {
        var currentUserId = GetUserId(principal);

        return string.Equals(currentUserId, id, StringComparison.OrdinalIgnoreCase);
    }

    /// <summary>
    ///     Returns the roles held by principal
    /// </summary>
    /// <param name="principal"></param>
    /// <returns></returns>
    public static IEnumerable<string> GetRoles(this ClaimsPrincipal principal)
    {
        return principal.Identities.SelectMany(i =>
        {
            return i.Claims
                .Where(c => c.Type == i.RoleClaimType)
                .Select(c => c.Value)
                .ToList();
        });
    }
}