default avatar

Yavsc/Helpers/FileSystemHelpers.cs

@@ -107,6 +107,7 @@ namespace Yavsc.Helpers
         {
             var item = new FileRecievedInfo();
             item.FileName = user.UserName + ".png";
+            
             var destFileName = Path.Combine(Startup.SiteSetup.UserFiles.Avatars, item.FileName);
 
             var fi = new FileInfo(destFileName);
@@ -143,8 +144,9 @@ namespace Yavsc.Helpers
                 }
 
             }
-            item.DestDir = "/Avatars";
-            user.Avatar = item.FileName;
+            item.DestDir = Startup.AvatarsOptions.RequestPath.ToUriComponent();
+            user.Avatar = $"{item.DestDir}/{item.FileName}";
+            
             return item;
         }
 

Yavsc/Helpers/UserHelpers.cs

@@ -0,0 +1,33 @@
+
+using System.IO;
+using System.Linq;
+using Yavsc.Models;
+
+namespace Yavsc.Helpers
+{
+    public static class UserHelpers
+    {
+        /// <summary>
+        /// The avatar ...
+        /// </summary>
+        /// <param name="dbContext"></param>
+        /// <param name="userId"></param>
+        /// <param name="imgFmt"></param>
+        /// <returns></returns>
+        // FIXME support imgFmt
+        public static string AvatarUri(this ApplicationDbContext dbContext, string userId, string imgFmt )
+        {
+            var user = dbContext.Users.FirstOrDefault(u => u.Id == userId);
+            if (user==null) return Constants.AnonAvatar;
+            if (user.Avatar.StartsWith("/"))
+                {
+                    // use fmt
+                    FileInfo fi = new FileInfo(user.Avatar);
+                    var ext = fi.Extension;
+                    var avatar = user.Avatar.Substring(0,  user.Avatar.Length - ext.Length );
+                    return $"{avatar}{imgFmt}{ext}";
+                }
+            return user.Avatar;
+        }
+    }
+}