jwtToken.cs

public async Task<string> CreateJwtToken(ApplicationUser user)
{
//Create Claims
	var claims = new List<Claim>
	{
		new Claim(JwtRegisteredClaimNames.NameId , user.Id.ToString()),
		new Claim(JwtRegisteredClaimNames.UniqueName ,user.UserName ),
		new Claim(ClaimTypes.Email, user.Email)
	};

	var roles = await _userManager.GetRolesAsync(user);
	claims.AddRange(roles.Select(role => new Claim(ClaimTypes.Role, role)));
	claims.AddRange(roles.Select(role => new Claim("Roles", role)));

	var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]));
	var credentials = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
	var token = new JwtSecurityToken(
			issuer: _configuration["Jwt:Issuer"],
			audience: _configuration["Jwt:Audience"],
			claims: claims,
			expires: DateTime.Now.AddDays(7),
			signingCredentials: credentials
			);
	return new JwtSecurityTokenHandler().WriteToken(token);
}