fix open private chats

src/main/java/org/to/telegramfinalproject/Models/ContactEntry.java

@@ -0,0 +1,44 @@
+package org.to.telegramfinalproject.Models;
+
+import java.util.UUID;
+
+public class ContactEntry {
+    private UUID contactId;        // internal UUID
+    private String userId;         // public ID
+    private String profileName;
+    private String imageUrl;
+    private boolean isBlocked;
+
+    public ContactEntry(UUID contactId, String userId, String profileName, String imageUrl, boolean isBlocked) {
+        this.contactId = contactId;
+        this.userId = userId;
+        this.profileName = profileName;
+        this.imageUrl = imageUrl;
+        this.isBlocked = isBlocked;
+    }
+
+    public UUID getContactId() {
+        return contactId;
+    }
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public String getProfileName() {
+        return profileName;
+    }
+
+    public String getImageUrl() {
+        return imageUrl;
+    }
+
+    public boolean isBlocked() {
+        return isBlocked;
+    }
+
+    @Override
+    public String toString() {
+        return profileName + " (" + userId + ")" + (isBlocked ? " [Blocked]" : "");
+    }
+}