Add login fail troubleshoot article

Many players are reporting inability to login due to many factors, but the most prevalent one that has been reported is ISP block. This is confusing for the player, so this is a quick addition to give the player something to troubleshoot.
osudroid · Jun 13, 2024 · efc034d · efc034d
1 parent 0344580
commit efc034d
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diff --git a/src/ru/nsu/ccfit/zuev/osu/online/OnlineManager.java b/src/ru/nsu/ccfit/zuev/osu/online/OnlineManager.java
@@ -131,6 +131,7 @@ public synchronized boolean logIn(String username, String password) throws Onlin
         ArrayList<String> response = sendRequest(post, endpoint + "login.php");
 
         if (response == null) {
+            failMessage = "Cannot connect to server";
             return false;
         }
         if (response.size() < 2) {

diff --git a/src/ru/nsu/ccfit/zuev/osu/online/OnlineScoring.java b/src/ru/nsu/ccfit/zuev/osu/online/OnlineScoring.java
@@ -1,5 +1,9 @@
 package ru.nsu.ccfit.zuev.osu.online;
 
+import android.content.Intent;
+import android.net.Uri;
+
+import com.google.android.material.snackbar.Snackbar;
 import com.reco1l.framework.lang.Execution;
 import com.reco1l.legacy.ui.multiplayer.LobbyScene;
 import com.reco1l.legacy.ui.multiplayer.RoomScene;
@@ -8,6 +12,7 @@
 import java.io.File;
 import java.util.ArrayList;
 
+import ru.nsu.ccfit.zuev.osu.GlobalManager;
 import ru.nsu.ccfit.zuev.osu.ToastLogger;
 import ru.nsu.ccfit.zuev.osu.TrackInfo;
 import ru.nsu.ccfit.zuev.osu.scoring.StatisticV2;
@@ -19,6 +24,9 @@ public class OnlineScoring {
     private OnlinePanel panel = null;
     private OnlinePanel secondPanel = null;
     private boolean avatarLoaded = false;
+    private final Snackbar snackbar = Snackbar.make(
+            GlobalManager.getInstance().getMainActivity().getWindow().getDecorView(),
+            "", 10000);
 
     public static OnlineScoring getInstance() {
         if (instance == null)
@@ -108,6 +116,18 @@ public void login() {
                 } else {
                     setPanelMessage("Cannot log in", OnlineManager.getInstance().getFailMessage());
                     OnlineManager.getInstance().setStayOnline(false);
+
+                    if (OnlineManager.getInstance().getFailMessage().equals("Cannot connect to server")) {
+                        snackbar.setText("Cannot connect to server. Please check the following article for troubleshooting.");
+
+                        snackbar.setAction("Check", (v) -> {
+                            var intent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://neroyuki.github.io/osudroid-guide/help/login_fail"));
+
+                            GlobalManager.getInstance().getMainActivity().startActivity(intent);
+                        });
+
+                        snackbar.show();
+                    }
                 }
             }
         });