Merge pull request itpartnersillinois#91 from itpartnersillinois/jonk…

…er/Picture

Adding picture controller

uofi-itp-directory-external/ImageManager/DirectoryImage.cs

@@ -3,6 +3,8 @@
     public static class DirectoryImage {
         private const string _blank = "https://directory.illinois.edu/webservices/public/ds/profile.png";
 
+        public static string Blank => _blank;
+
         public static string CheckImage(string url) {
             if (string.IsNullOrWhiteSpace(url)) {
                 return _blank;

uofi-itp-directory/Controllers/PictureController.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using uofi_itp_directory_data.Data;
+using uofi_itp_directory_external.ImageManager;
+
+namespace uofi_itp_directory.Controllers {
+
+    [Route("[controller]")]
+    [AllowAnonymous]
+    public class PictureController(DirectoryRepository? directoryRepository) : Controller {
+        private readonly DirectoryRepository _directoryRepository = directoryRepository ?? throw new ArgumentNullException("directoryRepository");
+
+        [Route("{netid}")]
+        [HttpGet]
+        public async Task<IActionResult> ByUsername(string netid) => await Index(netid);
+
+        [HttpGet]
+        public async Task<IActionResult> Index(string netid) {
+            netid = netid.Replace("@illinois.edu", "") + "@illinois.edu";
+            var url = (await _directoryRepository.ReadAsync(d => d.Employees.FirstOrDefault(e => e.NetId == netid)))?.PhotoUrl ?? "";
+            if (string.IsNullOrWhiteSpace(url)) {
+                url = DirectoryImage.Blank;
+            }
+            var wc = new HttpClient();
+            var stream = await wc.GetStreamAsync(url);
+            return new FileStreamResult(stream, "image/webp");
+        }
+    }
+}