Merge new features from 4.2.3 to 4.2.5.

18 files changed, 206 insertions, 114 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
index 8221b612..1ac3b368 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
@@ -1,5 +1,7 @@
 package ml.docilealligator.infinityforreddit;
 
+import android.content.SharedPreferences;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
@@ -13,6 +15,7 @@ import java.util.Map;
 import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.apis.RedditAPI;
 import ml.docilealligator.infinityforreddit.utils.APIUtils;
+import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 import okhttp3.Authenticator;
 import okhttp3.Headers;
 import okhttp3.Request;
@@ -24,10 +27,12 @@ import retrofit2.Retrofit;
 class AccessTokenAuthenticator implements Authenticator {
     private Retrofit mRetrofit;
     private RedditDataRoomDatabase mRedditDataRoomDatabase;
+    private SharedPreferences mCurrentAccountSharedPreferences;
 
-    AccessTokenAuthenticator(Retrofit retrofit, RedditDataRoomDatabase accountRoomDatabase) {
+    AccessTokenAuthenticator(Retrofit retrofit, RedditDataRoomDatabase accountRoomDatabase, SharedPreferences currentAccountSharedPreferences) {
         mRetrofit = retrofit;
         mRedditDataRoomDatabase = accountRoomDatabase;
+        mCurrentAccountSharedPreferences = currentAccountSharedPreferences;
     }
 
     @Nullable
@@ -77,6 +82,9 @@ class AccessTokenAuthenticator implements Authenticator {
                 } else {
                     mRedditDataRoomDatabase.accountDao().updateAccessTokenAndRefreshToken(account.getAccountName(), newAccessToken, newRefreshToken);
                 }
+                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(account.getAccountName())) {
+                    mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
+                }
 
                 return newAccessToken;
             }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
index 83cc3515..82796cec 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java
@@ -144,9 +144,10 @@ class AppModule {
 
     @Provides
     @Singleton
-    OkHttpClient provideOkHttpClient(@Named("no_oauth") Retrofit retrofit, RedditDataRoomDatabase accountRoomDatabase) {
+    OkHttpClient provideOkHttpClient(@Named("no_oauth") Retrofit retrofit, RedditDataRoomDatabase accountRoomDatabase,
+                                     @Named("current_account") SharedPreferences currentAccountSharedPreferences) {
         OkHttpClient.Builder okHttpClientBuilder = new OkHttpClient.Builder();
-        okHttpClientBuilder.authenticator(new AccessTokenAuthenticator(retrofit, accountRoomDatabase))
+        okHttpClientBuilder.authenticator(new AccessTokenAuthenticator(retrofit, accountRoomDatabase, currentAccountSharedPreferences))
                 .connectTimeout(30, TimeUnit.SECONDS)
                 .readTimeout(30, TimeUnit.SECONDS)
                 .writeTimeout(30, TimeUnit.SECONDS)
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java b/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
index a0017f1c..44668b13 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
@@ -56,6 +56,9 @@ public class PullNotificationWorker extends Worker {
     @Named("default")
     SharedPreferences mSharedPreferences;
     @Inject
+    @Named("current_account")
+    SharedPreferences mCurrentAccountSharedPreferences;
+    @Inject
     CustomThemeWrapper mCustomThemeWrapper;
     private Context context;
 
@@ -255,6 +258,9 @@ public class PullNotificationWorker extends Worker {
                 } else {
                     mRedditDataRoomDatabase.accountDao().updateAccessTokenAndRefreshToken(account.getAccountName(), newAccessToken, newRefreshToken);
                 }
+                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(account.getAccountName())) {
+                    mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
+                }
                 return newAccessToken;
             }
             return "";
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginActivity.java
index 3fb9010e..21f49973 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginActivity.java
@@ -11,6 +11,7 @@ import android.os.Handler;
 import android.util.Log;
 import android.view.InflateException;
 import android.view.MenuItem;
+import android.view.View;
 import android.webkit.CookieManager;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
@@ -20,8 +21,11 @@ import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.app.ActivityCompat;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.r0adkll.slidr.Slidr;
 
 import org.json.JSONException;
@@ -53,6 +57,8 @@ import retrofit2.Retrofit;
 
 public class LoginActivity extends BaseActivity {
 
+    private static final String ENABLE_DOM_STATE = "EDS";
+
     @BindView(R.id.coordinator_layout_login_activity)
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_login_activity)
@@ -63,6 +69,8 @@ public class LoginActivity extends BaseActivity {
     TextView twoFAInfoTextView;
     @BindView(R.id.webview_login_activity)
     WebView webView;
+    @BindView(R.id.fab_login_activity)
+    FloatingActionButton fab;
     @Inject
     @Named("no_oauth")
     Retrofit mRetrofit;
@@ -82,6 +90,7 @@ public class LoginActivity extends BaseActivity {
     @Inject
     Executor mExecutor;
     private String authCode;
+    private boolean enableDom = false;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -112,7 +121,28 @@ public class LoginActivity extends BaseActivity {
 
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
+        if (savedInstanceState != null) {
+            enableDom = savedInstanceState.getBoolean(ENABLE_DOM_STATE);
+        }
+
+        fab.setOnClickListener(view -> {
+            new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
+                    .setTitle(R.string.have_trouble_login_title)
+                    .setMessage(R.string.have_trouble_login_message)
+                    .setPositiveButton(R.string.yes, (dialogInterface, i) -> {
+                        enableDom = !enableDom;
+                        ActivityCompat.recreate(this);
+                    })
+                    .setNegativeButton(R.string.no, null)
+                    .show();
+        });
+
+        if (enableDom) {
+            twoFAInfoTextView.setVisibility(View.GONE);
+        }
+
         webView.getSettings().setJavaScriptEnabled(true);
+        webView.getSettings().setDomStorageEnabled(enableDom);
 
         Uri baseUri = Uri.parse(APIUtils.OAUTH_URL);
         Uri.Builder uriBuilder = baseUri.buildUpon();
@@ -232,6 +262,12 @@ public class LoginActivity extends BaseActivity {
     }
 
     @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putBoolean(ENABLE_DOM_STATE, enableDom);
+    }
+
+    @Override
     public SharedPreferences getDefaultSharedPreferences() {
         return mSharedPreferences;
     }
@@ -248,6 +284,7 @@ public class LoginActivity extends BaseActivity {
         twoFAInfoTextView.setTextColor(mCustomThemeWrapper.getPrimaryTextColor());
         Drawable infoDrawable = Utils.getTintedDrawable(this, R.drawable.ic_info_preference_24dp, mCustomThemeWrapper.getPrimaryIconColor());
         twoFAInfoTextView.setCompoundDrawablesWithIntrinsicBounds(infoDrawable, null, null, null);
+        applyFABTheme(fab);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java
index af97a15d..e076a293 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java
@@ -520,7 +520,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
                 }
 
                 @Override
-                public void onFetchSubredditDataFail() {
+                public void onFetchSubredditDataFail(boolean isQuarantined) {
                     makeSnackbar(R.string.cannot_fetch_subreddit_info, true);
                     mFetchSubredditInfoSuccess = false;
                 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/apis/RedditAPI.java b/app/src/main/java/ml/docilealligator/infinityforreddit/apis/RedditAPI.java
index 1799ff57..67da922d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/apis/RedditAPI.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/apis/RedditAPI.java
@@ -346,4 +346,7 @@ public interface RedditAPI {
     Call<String> addSubredditToMultiReddit(@HeaderMap Map<String, String> headers, @FieldMap Map<String, String> params,
                                            @Path(value = "multipath", encoded = true) String multipath, @Path("subredditName") String subredditName);
 
+    @FormUrlEncoded
+    @POST("/api/quarantine_optin?raw_json=1")
+    Call<String> optInQuarantinedSubreddit(@HeaderMap Map<String, String> headers, @FieldMap Map<String, String> params);
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/LoadSubredditIcon.java b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/LoadSubredditIcon.java
index 1d382255..0e1c981c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/LoadSubredditIcon.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/LoadSubredditIcon.java
@@ -34,7 +34,7 @@ public class LoadSubredditIcon {
                     }
 
                     @Override
-                    public void onFetchSubredditDataFail() {
+                    public void onFetchSubredditDataFail(boolean isQuarantined) {
                         loadSubredditIconAsyncTaskListener.loadIconSuccess(null);
                     }
                 }));
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/CommentsListingFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/CommentsListingFragment.java
index 9183fc1a..c730b4ba 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/CommentsListingFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/CommentsListingFragment.java
@@ -9,6 +9,7 @@ import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.HapticFeedbackConstants;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -247,86 +248,88 @@ public class CommentsListingFragment extends Fragment implements FragmentCommuni
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
 
-        bindView(resources);
+        new Handler().postDelayed(() -> bindView(resources), 0);
 
         return rootView;
     }
 
     private void bindView(Resources resources) {
-        mLinearLayoutManager = new LinearLayoutManager(mActivity);
-        mCommentRecyclerView.setLayoutManager(mLinearLayoutManager);
-
-        mAdapter = new CommentsListingRecyclerViewAdapter(mActivity, mOauthRetrofit, customThemeWrapper,
-                getResources().getConfiguration().locale, mSharedPreferences,
-                getArguments().getString(EXTRA_ACCESS_TOKEN), getArguments().getString(EXTRA_ACCOUNT_NAME),
-                () -> mCommentViewModel.retryLoadingMore());
-
-        String username = getArguments().getString(EXTRA_USERNAME);
-        String sort = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT, SortType.Type.NEW.name());
-        if(sort.equals(SortType.Type.CONTROVERSIAL.name()) || sort.equals(SortType.Type.TOP.name())) {
-            String sortTime = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TIME_USER_COMMENT, SortType.Time.ALL.name());
-            sortType = new SortType(SortType.Type.valueOf(sort.toUpperCase()), SortType.Time.valueOf(sortTime.toUpperCase()));
-        } else {
-            sortType = new SortType(SortType.Type.valueOf(sort.toUpperCase()));
-        }
+        if (mActivity != null && !mActivity.isFinishing() && !mActivity.isDestroyed()) {
+            mLinearLayoutManager = new LinearLayoutManager(mActivity);
+            mCommentRecyclerView.setLayoutManager(mLinearLayoutManager);
+
+            mAdapter = new CommentsListingRecyclerViewAdapter(mActivity, mOauthRetrofit, customThemeWrapper,
+                    getResources().getConfiguration().locale, mSharedPreferences,
+                    getArguments().getString(EXTRA_ACCESS_TOKEN), getArguments().getString(EXTRA_ACCOUNT_NAME),
+                    () -> mCommentViewModel.retryLoadingMore());
+
+            String username = getArguments().getString(EXTRA_USERNAME);
+            String sort = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT, SortType.Type.NEW.name());
+            if(sort.equals(SortType.Type.CONTROVERSIAL.name()) || sort.equals(SortType.Type.TOP.name())) {
+                String sortTime = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TIME_USER_COMMENT, SortType.Time.ALL.name());
+                sortType = new SortType(SortType.Type.valueOf(sort.toUpperCase()), SortType.Time.valueOf(sortTime.toUpperCase()));
+            } else {
+                sortType = new SortType(SortType.Type.valueOf(sort.toUpperCase()));
+            }
 
-        mCommentRecyclerView.setAdapter(mAdapter);
+            mCommentRecyclerView.setAdapter(mAdapter);
 
-        if (mActivity instanceof RecyclerViewContentScrollingInterface) {
-            mCommentRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
-                @Override
-                public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
-                    if (dy > 0) {
-                        ((RecyclerViewContentScrollingInterface) mActivity).contentScrollDown();
-                    } else if (dy < 0) {
-                        ((RecyclerViewContentScrollingInterface) mActivity).contentScrollUp();
+            if (mActivity instanceof RecyclerViewContentScrollingInterface) {
+                mCommentRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
+                    @Override
+                    public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                        if (dy > 0) {
+                            ((RecyclerViewContentScrollingInterface) mActivity).contentScrollDown();
+                        } else if (dy < 0) {
+                            ((RecyclerViewContentScrollingInterface) mActivity).contentScrollUp();
+                        }
                     }
-                }
-            });
-        }
-
-        CommentViewModel.Factory factory;
-
-        if (mAccessToken == null) {
-            factory = new CommentViewModel.Factory(mRetrofit,
-                    resources.getConfiguration().locale, null, username, sortType,
-                    getArguments().getBoolean(EXTRA_ARE_SAVED_COMMENTS));
-        } else {
-            factory = new CommentViewModel.Factory(mOauthRetrofit,
-                    resources.getConfiguration().locale, mAccessToken, username, sortType,
-                    getArguments().getBoolean(EXTRA_ARE_SAVED_COMMENTS));
-        }
+                });
+            }
 
-        mCommentViewModel = new ViewModelProvider(this, factory).get(CommentViewModel.class);
-        mCommentViewModel.getComments().observe(getViewLifecycleOwner(), comments -> mAdapter.submitList(comments));
+            CommentViewModel.Factory factory;
 
-        mCommentViewModel.hasComment().observe(getViewLifecycleOwner(), hasComment -> {
-            mSwipeRefreshLayout.setRefreshing(false);
-            if (hasComment) {
-                mFetchCommentInfoLinearLayout.setVisibility(View.GONE);
+            if (mAccessToken == null) {
+                factory = new CommentViewModel.Factory(mRetrofit,
+                        resources.getConfiguration().locale, null, username, sortType,
+                        getArguments().getBoolean(EXTRA_ARE_SAVED_COMMENTS));
             } else {
-                mFetchCommentInfoLinearLayout.setOnClickListener(view -> {
-                    //Do nothing
-                });
-                showErrorView(R.string.no_comments);
+                factory = new CommentViewModel.Factory(mOauthRetrofit,
+                        resources.getConfiguration().locale, mAccessToken, username, sortType,
+                        getArguments().getBoolean(EXTRA_ARE_SAVED_COMMENTS));
             }
-        });
 
-        mCommentViewModel.getInitialLoadingState().observe(getViewLifecycleOwner(), networkState -> {
-            if (networkState.getStatus().equals(NetworkState.Status.SUCCESS)) {
-                mSwipeRefreshLayout.setRefreshing(false);
-            } else if (networkState.getStatus().equals(NetworkState.Status.FAILED)) {
+            mCommentViewModel = new ViewModelProvider(this, factory).get(CommentViewModel.class);
+            mCommentViewModel.getComments().observe(getViewLifecycleOwner(), comments -> mAdapter.submitList(comments));
+
+            mCommentViewModel.hasComment().observe(getViewLifecycleOwner(), hasComment -> {
                 mSwipeRefreshLayout.setRefreshing(false);
-                mFetchCommentInfoLinearLayout.setOnClickListener(view -> refresh());
-                showErrorView(R.string.load_comments_failed);
-            } else {
-                mSwipeRefreshLayout.setRefreshing(true);
-            }
-        });
+                if (hasComment) {
+                    mFetchCommentInfoLinearLayout.setVisibility(View.GONE);
+                } else {
+                    mFetchCommentInfoLinearLayout.setOnClickListener(view -> {
+                        //Do nothing
+                    });
+                    showErrorView(R.string.no_comments);
+                }
+            });
 
-        mCommentViewModel.getPaginationNetworkState().observe(getViewLifecycleOwner(), networkState -> mAdapter.setNetworkState(networkState));
+            mCommentViewModel.getInitialLoadingState().observe(getViewLifecycleOwner(), networkState -> {
+                if (networkState.getStatus().equals(NetworkState.Status.SUCCESS)) {
+                    mSwipeRefreshLayout.setRefreshing(false);
+                } else if (networkState.getStatus().equals(NetworkState.Status.FAILED)) {
+                    mSwipeRefreshLayout.setRefreshing(false);
+                    mFetchCommentInfoLinearLayout.setOnClickListener(view -> refresh());
+                    showErrorView(R.string.load_comments_failed);
+                } else {
+                    mSwipeRefreshLayout.setRefreshing(true);
+                }
+            });
+
+            mCommentViewModel.getPaginationNetworkState().observe(getViewLifecycleOwner(), networkState -> mAdapter.setNetworkState(networkState));
 
-        mSwipeRefreshLayout.setOnRefreshListener(() -> mCommentViewModel.refresh());
+            mSwipeRefreshLayout.setOnRefreshListener(() -> mCommentViewModel.refresh());
+        }
     }
 
     public void changeSortType(SortType sortType) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SidebarFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SidebarFragment.java
index c9550531..0e76c543 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SidebarFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SidebarFragment.java
@@ -199,7 +199,7 @@ public class SidebarFragment extends Fragment {
             }
 
             @Override
-            public void onFetchSubredditDataFail() {
+            public void onFetchSubredditDataFail(boolean isQuarantined) {
                 swipeRefreshLayout.setRefreshing(false);
                 Toast.makeText(activity, R.string.cannot_fetch_sidebar, Toast.LENGTH_SHORT).show();
             }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewPostDetailFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewPostDetailFragment.java
index 18b95b8b..f4f6e49c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewPostDetailFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewPostDetailFragment.java
@@ -1200,7 +1200,7 @@ public class ViewPostDetailFragment extends Fragment implements FragmentCommunic
                         }
 
                         @Override
-                        public void onFetchSubredditDataFail() {
+                        public void onFetchSubredditDataFail(boolean isQuarantined) {
                             mRespectSubredditRecommendedSortType = false;
                             ViewPostDetailFragment.this.sortType = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TYPE_POST_COMMENT, SortType.Type.BEST.value.toUpperCase());
                             if (ViewPostDetailFragment.this.sortType != null) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/post/ParsePost.java b/app/src/main/java/ml/docilealligator/infinityforreddit/post/ParsePost.java
index 809f0806..2ba685eb 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/post/ParsePost.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/post/ParsePost.java
@@ -403,7 +403,7 @@ public class ParsePost {
                     if (gfycatId.contains("-")) {
                         gfycatId = gfycatId.substring(0, gfycatId.indexOf('-'));
                     }
-                    post.setGfycatId(gfycatId);
+                    post.setGfycatId(gfycatId.toLowerCase());
                 } else if (authority != null && authority.contains("redgifs.com")) {
                     String gfycatId = url.substring(url.lastIndexOf("/") + 1);
                     if (gfycatId.contains("-")) {
@@ -411,7 +411,7 @@ public class ParsePost {
                     }
                     post.setIsRedgifs(true);
                     post.setVideoUrl(url);
-                    post.setGfycatId(gfycatId);
+                    post.setGfycatId(gfycatId.toLowerCase());
                 }
             } catch (IllegalArgumentException ignore) { }
         } else if (post.getPostType() == Post.LINK_TYPE || post.getPostType() == Post.NO_PREVIEW_LINK_TYPE) {
@@ -449,16 +449,21 @@ public class ParsePost {
             } else if (post.getPostType() == Post.LINK_TYPE) {
                 Uri uri = Uri.parse(url);
                 String authority = uri.getAuthority();
+
+                // Gyfcat ids must be lowercase to resolve to a video through the api, we are not
+                // guaranteed to get an id that is all lowercase.
+                String gfycatId = url.substring(url.lastIndexOf("/") + 1).toLowerCase();
+
                 if (authority != null && (authority.contains("gfycat.com"))) {
                     post.setPostType(Post.VIDEO_TYPE);
                     post.setIsGfycat(true);
                     post.setVideoUrl(url);
-                    post.setGfycatId(url.substring(url.lastIndexOf("/") + 1));
+                    post.setGfycatId(gfycatId);
                 } else if (authority != null && authority.contains("redgifs.com")) {
                     post.setPostType(Post.VIDEO_TYPE);
                     post.setIsRedgifs(true);
                     post.setVideoUrl(url);
-                    post.setGfycatId(url.substring(url.lastIndexOf("/") + 1));
+                    post.setGfycatId(gfycatId);
                 }
             }
         }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilter.java
index 9c8dbcc8..99d40536 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilter.java
@@ -170,7 +170,7 @@ public class PostFilter implements Parcelable {
         if (postFilter.postTitleExcludesStrings != null && !postFilter.postTitleExcludesStrings.equals("")) {
             String[] titles = postFilter.postTitleExcludesStrings.split(",", 0);
             for (String t : titles) {
-                if (!t.equals("") && post.getTitle().toLowerCase().contains(t.toLowerCase())) {
+                if (!t.trim().equals("") && post.getTitle().toLowerCase().contains(t.toLowerCase().trim())) {
                     return false;
                 }
             }
@@ -178,7 +178,7 @@ public class PostFilter implements Parcelable {
         if (postFilter.excludeSubreddits != null && !postFilter.excludeSubreddits.equals("")) {
             String[] subreddits = postFilter.excludeSubreddits.split(",", 0);
             for (String s : subreddits) {
-                if (!s.equals("") && post.getSubredditName().equalsIgnoreCase(s)) {
+                if (!s.trim().equals("") && post.getSubredditName().equalsIgnoreCase(s.trim())) {
                     return false;
                 }
             }
@@ -186,7 +186,7 @@ public class PostFilter implements Parcelable {
         if (postFilter.excludeUsers != null && !postFilter.excludeUsers.equals("")) {
             String[] users = postFilter.excludeUsers.split(",", 0);
             for (String u : users) {
-                if (!u.equals("") && post.getAuthor().equalsIgnoreCase(u)) {
+                if (!u.trim().equals("") && post.getAuthor().equalsIgnoreCase(u.trim())) {
                     return false;
                 }
             }
@@ -194,7 +194,7 @@ public class PostFilter implements Parcelable {
         if (postFilter.excludeFlairs != null && !postFilter.excludeFlairs.equals("")) {
             String[] flairs = postFilter.excludeFlairs.split(",", 0);
             for (String f : flairs) {
-                if (!f.equals("") && post.getFlair().equalsIgnoreCase(f)) {
+                if (!f.trim().equals("") && post.getFlair().equalsIgnoreCase(f.trim())) {
                     return false;
                 }
             }
@@ -202,7 +202,7 @@ public class PostFilter implements Parcelable {
         if (postFilter.containFlairs != null && !postFilter.containFlairs.equals("")) {
             String[] flairs = postFilter.containFlairs.split(",", 0);
             for (String f : flairs) {
-                if (!f.equals("") && post.getFlair().equalsIgnoreCase(f)) {
+                if (!f.trim().equals("") && post.getFlair().equalsIgnoreCase(f.trim())) {
                     return false;
                 }
             }
@@ -212,10 +212,10 @@ public class PostFilter implements Parcelable {
     }
 
     public static PostFilter mergePostFilter(List<PostFilter> postFilterList) {
-        PostFilter postFilter = new PostFilter();
         if (postFilterList.size() == 1) {
             return postFilterList.get(0);
         }
+        PostFilter postFilter = new PostFilter();
         StringBuilder stringBuilder;
         postFilter.name = "Merged";
         for (PostFilter p : postFilterList) {
@@ -229,30 +229,39 @@ public class PostFilter implements Parcelable {
             postFilter.onlyNSFW = p.onlyNSFW ? p.onlyNSFW : postFilter.onlyNSFW;
             postFilter.onlySpoiler = p.onlySpoiler ? p.onlySpoiler : postFilter.onlySpoiler;
 
-            postFilter.postTitleExcludesRegex = p.postTitleExcludesRegex.equals("") ? postFilter.postTitleExcludesRegex : p.postTitleExcludesRegex;
-            stringBuilder = new StringBuilder(postFilter.postTitleExcludesStrings);
-            stringBuilder.append(",").append(p.postTitleExcludesStrings);
-            postFilter.postTitleExcludesStrings = stringBuilder.toString();
+            if (p.postTitleExcludesRegex != null && !p.postTitleExcludesRegex.equals("")) {
+                postFilter.postTitleExcludesRegex = p.postTitleExcludesRegex;
+            }
 
-            postFilter.excludeSubreddits = p.excludeSubreddits.equals("") ? postFilter.excludeSubreddits : p.postTitleExcludesRegex;
-            stringBuilder = new StringBuilder(postFilter.excludeSubreddits);
-            stringBuilder.append(",").append(p.excludeSubreddits);
-            postFilter.excludeSubreddits = stringBuilder.toString();
+            if (p.postTitleExcludesStrings != null && !p.postTitleExcludesStrings.equals("")) {
+                stringBuilder = new StringBuilder(postFilter.postTitleExcludesStrings == null ? "" : postFilter.postTitleExcludesStrings);
+                stringBuilder.append(",").append(p.postTitleExcludesStrings);
+                postFilter.postTitleExcludesStrings = stringBuilder.toString();
+            }
 
-            postFilter.excludeUsers = p.excludeUsers.equals("") ? postFilter.excludeUsers : p.postTitleExcludesRegex;
-            stringBuilder = new StringBuilder(postFilter.excludeUsers);
-            stringBuilder.append(",").append(p.excludeUsers);
-            postFilter.excludeUsers = stringBuilder.toString();
+            if (p.excludeSubreddits != null && !p.excludeSubreddits.equals("")) {
+                stringBuilder = new StringBuilder(postFilter.excludeSubreddits == null ? "" : postFilter.excludeSubreddits);
+                stringBuilder.append(",").append(p.excludeSubreddits);
+                postFilter.excludeSubreddits = stringBuilder.toString();
+            }
 
-            postFilter.containFlairs = p.containFlairs.equals("") ? postFilter.containFlairs : p.postTitleExcludesRegex;
-            stringBuilder = new StringBuilder(postFilter.containFlairs);
-            stringBuilder.append(",").append(p.containFlairs);
-            postFilter.containFlairs = stringBuilder.toString();
+            if (p.excludeUsers != null && !p.excludeUsers.equals("")) {
+                stringBuilder = new StringBuilder(postFilter.excludeUsers == null ? "" : postFilter.excludeUsers);
+                stringBuilder.append(",").append(p.excludeUsers);
+                postFilter.excludeUsers = stringBuilder.toString();
+            }
+
+            if (p.containFlairs != null && !p.containFlairs.equals("")) {
+                stringBuilder = new StringBuilder(postFilter.containFlairs == null ? "" : postFilter.containFlairs);
+                stringBuilder.append(",").append(p.containFlairs);
+                postFilter.containFlairs = stringBuilder.toString();
+            }
 
-            postFilter.excludeFlairs = p.excludeFlairs.equals("") ? postFilter.excludeFlairs : p.postTitleExcludesRegex;
-            stringBuilder = new StringBuilder(postFilter.excludeFlairs);
-            stringBuilder.append(",").append(p.excludeFlairs);
-            postFilter.excludeFlairs = stringBuilder.toString();
+            if (p.excludeFlairs != null && !p.excludeFlairs.equals("")) {
+                stringBuilder = new StringBuilder(postFilter.excludeFlairs == null ? "" : postFilter.excludeFlairs);
+                stringBuilder.append(",").append(p.excludeFlairs);
+                postFilter.excludeFlairs = stringBuilder.toString();
+            }
 
             postFilter.containTextType = p.containTextType || postFilter.containTextType;
             postFilter.containLinkType = p.containLinkType || postFilter.containLinkType;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/services/DownloadRedditVideoService.java b/app/src/main/java/ml/docilealligator/infinityforreddit/services/DownloadRedditVideoService.java
index 73839464..f1b9633e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/services/DownloadRedditVideoService.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/services/DownloadRedditVideoService.java
@@ -25,6 +25,7 @@ import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
 import android.provider.MediaStore;
+import android.util.Log;
 
 import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
@@ -207,17 +208,18 @@ public class DownloadRedditVideoService extends Service {
                         updateNotification(R.string.downloading_reddit_video_audio_track, 0,
                                 randomNotificationIdOffset, null);
 
+                        String videoFilePath = externalCacheDirectoryPath + fileNameWithoutExtension + "-cache.mp4";
+                        String savedVideoFilePath = writeResponseBodyToDisk(videoResponse.body(), videoFilePath);
+                        if (savedVideoFilePath == null) {
+                            downloadFinished(null, ERROR_VIDEO_FILE_CANNOT_SAVE, randomNotificationIdOffset);
+                            return;
+                        }
+
                         Response<ResponseBody> audioResponse = downloadFile.downloadFile(audioUrl).execute();
                         if (audioResponse.isSuccessful() && audioResponse.body() != null) {
-                            String videoFilePath = externalCacheDirectoryPath + fileNameWithoutExtension + "-cache.mp4";
                             String audioFilePath = externalCacheDirectoryPath + fileNameWithoutExtension + "-cache.mp3";
                             String outputFilePath = externalCacheDirectoryPath + fileNameWithoutExtension + ".mp4";
 
-                            String savedVideoFilePath = writeResponseBodyToDisk(videoResponse.body(), videoFilePath);
-                            if (savedVideoFilePath == null) {
-                                downloadFinished(null, ERROR_VIDEO_FILE_CANNOT_SAVE, randomNotificationIdOffset);
-                                return;
-                            }
                             String savedAudioFilePath = writeResponseBodyToDisk(audioResponse.body(), audioFilePath);
                             if (savedAudioFilePath == null) {
                                 downloadFinished(null, ERROR_AUDIO_FILE_CANNOT_SAVE, randomNotificationIdOffset);
@@ -246,8 +248,6 @@ public class DownloadRedditVideoService extends Service {
                                 downloadFinished(null, ERROR_MUXED_VIDEO_FILE_CANNOT_SAVE, randomNotificationIdOffset);
                             }
                         } else {
-                            String videoFilePath = externalCacheDirectoryPath + fileNameWithoutExtension + "-cache.mp4";
-
                             updateNotification(R.string.downloading_reddit_video_save_file_to_public_dir, -1,
                                     randomNotificationIdOffset, null);
                             try {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/FetchSubredditData.java b/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/FetchSubredditData.java
index 37587ede..b5e9b553 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/FetchSubredditData.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/FetchSubredditData.java
@@ -31,17 +31,17 @@ public class FetchSubredditData {
 
                         @Override
                         public void onParseSubredditDataFail() {
-                            fetchSubredditDataListener.onFetchSubredditDataFail();
+                            fetchSubredditDataListener.onFetchSubredditDataFail(false);
                         }
                     });
                 } else {
-                    fetchSubredditDataListener.onFetchSubredditDataFail();
+                    fetchSubredditDataListener.onFetchSubredditDataFail(response.code() == 403);
                 }
             }
 
             @Override
             public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
-                fetchSubredditDataListener.onFetchSubredditDataFail();
+                fetchSubredditDataListener.onFetchSubredditDataFail(false);
             }
         });
     }
@@ -84,7 +84,7 @@ public class FetchSubredditData {
     public interface FetchSubredditDataListener {
         void onFetchSubredditDataSuccess(SubredditData subredditData, int nCurrentOnlineSubscribers);
 
-        void onFetchSubredditDataFail();
+        void onFetchSubredditDataFail(boolean isQuarantined);
     }
 
     interface FetchSubredditListingDataListener {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/SubredditSubscription.java b/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/SubredditSubscription.java
index 52664234..31615903 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/SubredditSubscription.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/subreddit/SubredditSubscription.java
@@ -56,7 +56,7 @@ public class SubredditSubscription {
                             }
 
                             @Override
-                            public void onFetchSubredditDataFail() {
+                            public void onFetchSubredditDataFail(boolean isQuarantined) {
 
                             }
                         });
diff --git a/app/src/main/res/drawable/ic_help_24dp.xml b/app/src/main/res/drawable/ic_help_24dp.xml
new file mode 100644
index 00000000..81e329b9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_help_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M11,18h2v-2h-2v2zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8zM12,6c-2.21,0 -4,1.79 -4,4h2c0,-1.1 0.9,-2 2,-2s2,0.9 2,2c0,2 -3,1.75 -3,5h2c0,-2.25 3,-2.5 3,-5 0,-2.21 -1.79,-4 -4,-4z"
+      android:fillColor="#ffffff"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 470a6124..2452a367 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -47,4 +47,12 @@
 
     </LinearLayout>
 
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_login_activity"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/fab_margin"
+        android:layout_gravity="bottom|end"
+        android:src="@drawable/ic_help_24dp" />
+
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b06b9b52..e965361a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1017,4 +1017,7 @@
 
     <string name="choose_a_user">Choose a user</string>
 
+    <string name="have_trouble_login_title">Having Trouble Login</string>
+    <string name="have_trouble_login_message">Do you want to try another way to login?</string>
+
 </resources>