Teso_API/Teso API/Controllers/PullDPController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Teso_API.Models;

namespace Teso_API.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class PullDPController : ControllerBase
    {
        private readonly TESOContext _context;

        public PullDPController(TESOContext context)
        {
            _context = context;
        }

        // GET: api/PullDP/5
        [HttpGet("{id}")]
        public IActionResult GetAccountType(string id)
        {
            string dpname =  _context.TesoUserDetails.AsQueryable().Where(i => i.UserGUID == id).Select(d => d.ThumbnailDp).FirstOrDefault();
            if (!String.IsNullOrEmpty(dpname))
            {
                return PhysicalFile(ServerLocation.displayPicture + dpname, "image/jpeg");
            }
            else
            {
                return PhysicalFile(ServerLocation.displayPicture + "default.jpg", "image/jpeg");
            }
        }
    }
}