fix bugs

src/main/java/org/to/telegramfinalproject/UI/AddMembersController.java

@@ -206,11 +206,9 @@ public class AddMembersController {
 
     private Image loadAvatar(String path) {
         try {
-            // 1) اگر ریسورس داخلی باشد
             var in = getClass().getResourceAsStream(path);
             if (in != null) return new Image(in);
 
-            // 2) اگر URL کامل یا file URI
             return new Image(path, true);
         } catch (Exception e) {
             return new Image(
@@ -233,7 +231,6 @@ public class AddMembersController {
 
         List<String> ids = selectedContacts.stream().map(Contact::getId).toList();
 
-        // تلاش برای batch
         JSONObject batchReq = new JSONObject()
                 .put("action", "add_members_to_group")
                 .put("group_id", groupInternalId.toString())
@@ -248,11 +245,10 @@ public class AddMembersController {
                 return;
             }
 
-            // fallback: تک‌به‌تک
             boolean allOk = true;
             for (String uid : ids) {
                 JSONObject single = new JSONObject()
-                        .put("action", "add_member_to_group")
+                        .put("action", "add_members_to_group")
                         .put("group_id", groupInternalId.toString())
                         .put("user_id", uid);
                 JSONObject r = ActionHandler.sendWithResponse(single);

src/main/java/org/to/telegramfinalproject/UI/ManageGroupController.java

@@ -14,6 +14,8 @@ import org.to.telegramfinalproject.Client.ActionHandler;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.Objects;
 import java.util.UUID;
 
@@ -116,13 +118,27 @@ public class ManageGroupController {
         groupIdField.setText(originalGroupId);
 
         if (!originalImageUrl.isBlank()) {
-            groupImage.setImage(new Image(originalImageUrl, true));
+            String uri = resolveLocalUri(originalImageUrl);
+            if (uri != null) {
+                groupImage.setImage(new Image(uri, true));
+            }
         }
 
+
         adminCount.setText(String.valueOf(countRole(data, "admin") + 1));
         memberCount.setText(String.valueOf(countRole(data, "member") + Integer.parseInt(adminCount.getText())));
     }
 
+    private String resolveLocalUri(String raw) {
+        if (raw == null || raw.isBlank()) return null;
+        if (raw.startsWith("file:/") || raw.startsWith("http")) return raw;
+
+        Path base = Paths.get(System.getProperty("user.dir"), "uploads");
+        Path resolved = base.resolve(raw.startsWith("/") ? raw.substring(1) : raw)
+                .normalize();
+        return resolved.toUri().toString(); // file:///C:/.../uploads/avatars/2025-09-05/...
+    }
+
     private int countRole(JSONObject groupData, String role) {
         var arr = groupData.optJSONArray("members");
         if (arr == null) return 0;