From f8d85ef7293f72a1147c7c87baf3a79555f00040 Mon Sep 17 00:00:00 2001
From: Tsanie Lily <tsorgy@gmail.com>
Date: Thu, 21 May 2020 09:38:30 +0800
Subject: [PATCH] do not query follow/recommends when no cookie

---
 Pixiview/Illust/IllustCollectionPage.cs | 92 ++++++++++++++-----------
 1 file changed, 50 insertions(+), 42 deletions(-)

diff --git a/Pixiview/Illust/IllustCollectionPage.cs b/Pixiview/Illust/IllustCollectionPage.cs
index e262ffd..42ca64c 100644
--- a/Pixiview/Illust/IllustCollectionPage.cs
+++ b/Pixiview/Illust/IllustCollectionPage.cs
@@ -521,57 +521,65 @@ namespace Pixiview.Illust
 
         #region - Illust Tasks -
 
+        private async void RedirectFailed()
+        {
+            if (!IsRedirectLogin)
+            {
+                string extra;
+                if (lastError != null)
+                {
+                    if (lastError.Length > 40)
+                    {
+                        extra = $"\n{lastError.Substring(0, 40)}...";
+                    }
+                    else
+                    {
+                        extra = $"\n{lastError}";
+                    }
+                }
+                else
+                {
+                    extra = string.Empty;
+                }
+                _ = DisplayAlert(ResourceHelper.Title,
+                    ResourceHelper.FailedResponse + extra,
+                    ResourceHelper.Ok);
+            }
+            else
+            {
+                var result = await DisplayAlert(
+                    ResourceHelper.Title,
+                    ResourceHelper.ConfirmLogin,
+                    ResourceHelper.Yes, ResourceHelper.No);
+                if (result)
+                {
+                    AppShell.Current.PushToLogin(() =>
+                    {
+                        Task.Run(() => AppShell.Current.DoLoginInformation(true));
+                        StartLoad(true);
+                    });
+                }
+            }
+            IsLoading = false;
+            IsBottomLoading = false;
+        }
+
         protected void DoLoadIllusts(bool force = false, bool bottom = false)
         {
 #if DEBUG
             App.DebugPrint($"start loading data, force: {force}");
 #endif
+            if (force && string.IsNullOrEmpty(Configs.Cookie))
+            {
+                MainThread.BeginInvokeOnMainThread(RedirectFailed);
+                App.DebugPrint($"no cookie found");
+                return;
+            }
             illustData = DoLoadIllustData(force);
             if (illustData == null)
             {
-                MainThread.BeginInvokeOnMainThread(async () =>
-                {
-                    if (!IsRedirectLogin)
-                    {
-                        string extra;
-                        if (lastError != null)
-                        {
-                            if (lastError.Length > 40)
-                            {
-                                extra = $"\n{lastError.Substring(0, 40)}...";
-                            }
-                            else
-                            {
-                                extra = $"\n{lastError}";
-                            }
-                        }
-                        else
-                        {
-                            extra = string.Empty;
-                        }
-                        _ = DisplayAlert(ResourceHelper.Title,
-                            ResourceHelper.FailedResponse + extra,
-                            ResourceHelper.Ok);
-                    }
-                    else
-                    {
-                        var result = await DisplayAlert(
-                            ResourceHelper.Title,
-                            ResourceHelper.ConfirmLogin,
-                            ResourceHelper.Yes, ResourceHelper.No);
-                        if (result)
-                        {
-                            AppShell.Current.PushToLogin(() =>
-                            {
-                                Task.Run(() => AppShell.Current.DoLoginInformation(true));
-                                StartLoad(true);
-                            });
-                        }
-                    }
-                });
+                MainThread.BeginInvokeOnMainThread(RedirectFailed);
                 //App.DebugError("illusts.load", "failed to load illusts data.");
-                IsLoading = false;
-                IsBottomLoading = false;
                 return;
             }
             if (force && IsFavoriteVisible)