/C#/Dotnet core 3.1 get the user that just logged in

Dotnet core 3.1 get the user that just logged in

Asp.net core identity get user id

 public async Task<IActionResult> YourMethodName()
    {
        var userId =  User.FindFirstValue(ClaimTypes.NameIdentifier) // will give the user's userId
        var userName =  User.FindFirstValue(ClaimTypes.Name) // will give the user's userName

        ApplicationUser applicationUser = await _userManager.GetUserAsync(User);
        string userEmail = applicationUser?.Email; // will give the user's Email
    }

.net core identity get user id

public static class ClaimsPrincipalExtensions
{
    public static T GetLoggedInUserId<T>(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        var loggedInUserId = principal.FindFirstValue(ClaimTypes.NameIdentifier);

        if (typeof(T) == typeof(string))
        {
            return (T)Convert.ChangeType(loggedInUserId, typeof(T));
        }
        else if (typeof(T) == typeof(int) || typeof(T) == typeof(long))
        {
            return loggedInUserId != null ? (T)Convert.ChangeType(loggedInUserId, typeof(T)) : (T)Convert.ChangeType(0, typeof(T));
        }
        else
        {
            throw new Exception("Invalid type provided");
        }
    }

    public static string GetLoggedInUserName(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        return principal.FindFirstValue(ClaimTypes.Name);
    }

    public static string GetLoggedInUserEmail(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        return principal.FindFirstValue(ClaimTypes.Email);
    }
}

Source: stackoverflow.com

Dotnet core 3.1 get the user that just logged in

private Task<ApplicationUser> GetCurrentUserAsync() => _userManager.GetUserAsync(HttpContext.User);

Source: stackoverflow.com

Similar codes

0 vote345 views1 answer
Reference to gameobject in different scene unity
C#Unity
0 vote252 views1 answer
C# math method to reverse negative or positive
C#
0 vote250 views1 answer
Loop gridcontrol devexpress c#
C#
2 votes296 views1 answer
For each textbox c#
C#
2 votes270 views1 answer
Change dot net core web api routing
C#
0 vote259 views1 answer
.net return result encoding as utf8
C#
2 votes291 views3 answers
C# make first letter uppercase
C#
11 votes315 views3 answers
C# return two values
C#
1 vote261 views2 answers
Declare enum c#
C#
8 votes287 views2 answers
How to sort a list of objects in place
C#