UserProfileStateService.cs

using AutoMapper.QueryableExtensions;
using CleanArchitecture.Blazor.Application.Features.Identity.DTOs;
using CleanArchitecture.Blazor.Domain.Identity;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.DependencyInjection;
using ZiggyCreatures.Caching.Fusion;

namespace CleanArchitecture.Blazor.Application.Common.Security;

public class UserProfileStateService
{
    private TimeSpan RefreshInterval => TimeSpan.FromSeconds(60);
    private UserProfile _userProfile = new UserProfile() { Email="", UserId="", UserName="" };
    private readonly UserManager<ApplicationUser> _userManager;
    private readonly IMapper _mapper;
    private readonly IFusionCache _fusionCache;

    public UserProfileStateService(
        IMapper mapper,
        IServiceScopeFactory scopeFactory,
        IFusionCache fusionCache)
    {
        var scope = scopeFactory.CreateScope();
        _userManager = scope.ServiceProvider.GetRequiredService<UserManager<ApplicationUser>>();
        _mapper = mapper;
        _fusionCache = fusionCache;

    }
    public async Task InitializeAsync(string userName)
    {
        var key = GetApplicationUserCacheKey(userName);
        var result = await _fusionCache.GetOrSetAsync(key,
            _ => _userManager.Users.Where(x => x.UserName == userName).Include(x => x.UserRoles)
                .ThenInclude(x => x.Role).ProjectTo<ApplicationUserDto>(_mapper.ConfigurationProvider)
                .FirstOrDefaultAsync(), RefreshInterval);
        if(result is not null)
        {
            _userProfile = result.ToUserProfile();
            NotifyStateChanged();
        }
    }
    public UserProfile UserProfile
    {
        get => _userProfile;
        set
        {
            _userProfile = value;
            NotifyStateChanged();
        }
    }

    public event Func<Task>? OnChange;

    private void NotifyStateChanged() => OnChange?.Invoke();

    public void UpdateUserProfile(string userName,string? profilePictureDataUrl, string? fullName,string? phoneNumber,string? timeZoneId,string? languageCode)
    {
        _userProfile.ProfilePictureDataUrl = profilePictureDataUrl;
        _userProfile.DisplayName = fullName;
        _userProfile.PhoneNumber = phoneNumber;
        _userProfile.TimeZoneId = timeZoneId;
        _userProfile.LanguageCode = languageCode;
        RemoveApplicationUserCache(userName);
        NotifyStateChanged();
    }
    private string GetApplicationUserCacheKey(string userName)
    {
        return $"GetApplicationUserDto:{userName}";
    }
    public void RemoveApplicationUserCache(string userName)
    {
        _fusionCache.Remove(GetApplicationUserCacheKey(userName));
    }
}