Continue adding comment filter.

12 files changed, 461 insertions, 19 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
index 2bf647ec..b4cb2444 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
@@ -9,6 +9,7 @@ import dagger.Component;
 import ml.docilealligator.infinityforreddit.activities.AccountPostsActivity;
 import ml.docilealligator.infinityforreddit.activities.AccountSavedThingActivity;
 import ml.docilealligator.infinityforreddit.activities.CommentActivity;
+import ml.docilealligator.infinityforreddit.activities.CommentFilterPreferenceActivity;
 import ml.docilealligator.infinityforreddit.activities.CreateMultiRedditActivity;
 import ml.docilealligator.infinityforreddit.activities.CustomThemeListingActivity;
 import ml.docilealligator.infinityforreddit.activities.CustomThemePreviewActivity;
@@ -307,6 +308,8 @@ public interface AppComponent {
 
     void inject(MorePostsInfoFragment morePostsInfoFragment);
 
+    void inject(CommentFilterPreferenceActivity commentFilterPreferenceActivity);
+
     @Component.Factory
     interface Factory {
         AppComponent create(@BindsInstance Application application);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/RedditDataRoomDatabase.java b/app/src/main/java/ml/docilealligator/infinityforreddit/RedditDataRoomDatabase.java
index 6c559df3..e89a47dd 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/RedditDataRoomDatabase.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/RedditDataRoomDatabase.java
@@ -14,7 +14,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase;
 import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.account.AccountDao;
 import ml.docilealligator.infinityforreddit.commentfilter.CommentFilter;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterDao;
 import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterUsage;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterUsageDao;
 import ml.docilealligator.infinityforreddit.customtheme.CustomTheme;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeDao;
 import ml.docilealligator.infinityforreddit.multireddit.AnonymousMultiredditSubreddit;
@@ -80,6 +82,10 @@ public abstract class RedditDataRoomDatabase extends RoomDatabase {
 
     public abstract AnonymousMultiredditSubredditDao anonymousMultiredditSubredditDao();
 
+    public abstract CommentFilterDao commentFilterDao();
+
+    public abstract CommentFilterUsageDao commentFilterUsageDao();
+
     private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
         @Override
         public void migrate(SupportSQLiteDatabase database) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterPreferenceActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterPreferenceActivity.java
new file mode 100644
index 00000000..aaddff6e
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterPreferenceActivity.java
@@ -0,0 +1,125 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.MenuItem;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.ViewModelProvider;
+
+import java.util.concurrent.Executor;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.adapters.CommentFilterWithUsageRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.CommentFilterOptionsBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilter;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterWithUsageViewModel;
+import ml.docilealligator.infinityforreddit.commentfilter.DeleteCommentFilter;
+import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.databinding.ActivityCommentFilterPreferenceBinding;
+
+public class CommentFilterPreferenceActivity extends BaseActivity {
+
+    private ActivityCommentFilterPreferenceBinding binding;
+
+    @Inject
+    @Named("default")
+    SharedPreferences sharedPreferences;
+    @Inject
+    RedditDataRoomDatabase redditDataRoomDatabase;
+    @Inject
+    CustomThemeWrapper customThemeWrapper;
+    @Inject
+    Executor executor;
+    public CommentFilterWithUsageViewModel commentFilterWithUsageViewModel;
+    private CommentFilterWithUsageRecyclerViewAdapter adapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ((Infinity) getApplication()).getAppComponent().inject(this);
+
+        setImmersiveModeNotApplicable();
+
+        super.onCreate(savedInstanceState);
+        binding = ActivityCommentFilterPreferenceBinding.inflate(getLayoutInflater());
+
+        setContentView(binding.getRoot());
+
+        ButterKnife.bind(this);
+
+        applyCustomTheme();
+
+        setSupportActionBar(binding.toolbarCommentFilterPreferenceActivity);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        binding.fabCommentFilterPreferenceActivity.setOnClickListener(view -> {
+            Intent intent = new Intent(this, CustomizeCommentFilterActivity.class);
+            intent.putExtra(CustomizeCommentFilterActivity.EXTRA_FROM_SETTINGS, true);
+            startActivity(intent);
+        });
+
+        adapter = new CommentFilterWithUsageRecyclerViewAdapter(this, commentFilter -> {
+            CommentFilterOptionsBottomSheetFragment commentFilterOptionsBottomSheetFragment = new CommentFilterOptionsBottomSheetFragment();
+            Bundle bundle = new Bundle();
+            bundle.putParcelable(CommentFilterOptionsBottomSheetFragment.EXTRA_POST_FILTER, commentFilter);
+            commentFilterOptionsBottomSheetFragment.setArguments(bundle);
+            commentFilterOptionsBottomSheetFragment.show(getSupportFragmentManager(), commentFilterOptionsBottomSheetFragment.getTag());
+        });
+
+        binding.recyclerViewCommentFilterPreferenceActivity.setAdapter(adapter);
+
+        commentFilterWithUsageViewModel = new ViewModelProvider(this,
+                new CommentFilterWithUsageViewModel.Factory(redditDataRoomDatabase)).get(CommentFilterWithUsageViewModel.class);
+
+        commentFilterWithUsageViewModel.getCommentFilterWithUsageListLiveData().observe(this, commentFilterWithUsages -> adapter.setCommentFilterWithUsageList(commentFilterWithUsages));
+    }
+
+    public void editCommentFilter(CommentFilter commentFilter) {
+        Intent intent = new Intent(this, CustomizeCommentFilterActivity.class);
+        intent.putExtra(CustomizeCommentFilterActivity.EXTRA_POST_FILTER, commentFilter);
+        intent.putExtra(CustomizeCommentFilterActivity.EXTRA_FROM_SETTINGS, true);
+        startActivity(intent);
+    }
+
+    public void applyCommentFilterTo(CommentFilter commentFilter) {
+        Intent intent = new Intent(this, CommentFilterUsageListingActivity.class);
+        intent.putExtra(CommentFilterUsageListingActivity.EXTRA_POST_FILTER, commentFilter);
+        startActivity(intent);
+    }
+
+    public void deleteCommentFilter(CommentFilter commentFilter) {
+        DeleteCommentFilter.deleteCommentFilter(redditDataRoomDatabase, executor, commentFilter);
+    }
+
+    @Override
+    protected SharedPreferences getDefaultSharedPreferences() {
+        return sharedPreferences;
+    }
+
+    @Override
+    protected CustomThemeWrapper getCustomThemeWrapper() {
+        return customThemeWrapper;
+    }
+
+    @Override
+    protected void applyCustomTheme() {
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(binding.appbarLayoutCommentFilterPreferenceActivity, binding.collapsingToolbarLayoutCommentFilterPreferenceActivity, binding.toolbarCommentFilterPreferenceActivity);
+        applyFABTheme(binding.fabCommentFilterPreferenceActivity);
+        binding.getRoot().setBackgroundColor(customThemeWrapper.getBackgroundColor());
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            finish();
+            return true;
+        }
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterUsageListingActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterUsageListingActivity.java
new file mode 100644
index 00000000..587addcf
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentFilterUsageListingActivity.java
@@ -0,0 +1,18 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import ml.docilealligator.infinityforreddit.R;
+
+public class CommentFilterUsageListingActivity extends AppCompatActivity {
+
+    public static final String EXTRA_POST_FILTER = "EPF";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_comment_filter_usage_listing);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomizeCommentFilterActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomizeCommentFilterActivity.java
new file mode 100644
index 00000000..68a31b6f
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomizeCommentFilterActivity.java
@@ -0,0 +1,19 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import ml.docilealligator.infinityforreddit.R;
+
+public class CustomizeCommentFilterActivity extends AppCompatActivity {
+
+    public static final String EXTRA_POST_FILTER = "EPF";
+    public static final String EXTRA_FROM_SETTINGS = "EFS";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_customize_comment_filter);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterUsageEmbeddedRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterUsageEmbeddedRecyclerViewAdapter.java
new file mode 100644
index 00000000..5d1ad217
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterUsageEmbeddedRecyclerViewAdapter.java
@@ -0,0 +1,79 @@
+package ml.docilealligator.infinityforreddit.adapters;
+
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.activities.BaseActivity;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterUsage;
+import ml.docilealligator.infinityforreddit.databinding.ItemCommentFilterUsageEmbeddedBinding;
+
+public class CommentFilterUsageEmbeddedRecyclerViewAdapter extends RecyclerView.Adapter<CommentFilterUsageEmbeddedRecyclerViewAdapter.EntryViewHolder> {
+    private BaseActivity baseActivity;
+    private List<CommentFilterUsage> commentFilterUsageList;
+
+    public CommentFilterUsageEmbeddedRecyclerViewAdapter(BaseActivity baseActivity) {
+        this.baseActivity = baseActivity;
+    }
+
+    @NonNull
+    @Override
+    public EntryViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new EntryViewHolder(ItemCommentFilterUsageEmbeddedBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull EntryViewHolder holder, int position) {
+        if (commentFilterUsageList == null || commentFilterUsageList.isEmpty()) {
+            holder.textView.setText(R.string.click_to_apply_post_filter);
+        } else if (holder.getBindingAdapterPosition() > 4) {
+            holder.textView.setText(baseActivity.getString(R.string.post_filter_usage_embedded_more_count, commentFilterUsageList.size() - 5));
+        } else {
+            CommentFilterUsage commentFilterUsage = commentFilterUsageList.get(holder.getBindingAdapterPosition());
+            switch (commentFilterUsage.usage) {
+                case CommentFilterUsage.SUBREDDIT_TYPE:
+                    holder.textView.setText("r/" + commentFilterUsage.nameOfUsage);
+                    break;
+                case CommentFilterUsage.USER_TYPE:
+                    holder.textView.setText("u/" + commentFilterUsage.nameOfUsage);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return commentFilterUsageList == null || commentFilterUsageList.isEmpty() ? 1 : (commentFilterUsageList.size() > 5 ? 6 : commentFilterUsageList.size());
+    }
+
+    public void setCommentFilterUsageList(List<CommentFilterUsage> commentFilterUsageList) {
+        this.commentFilterUsageList = commentFilterUsageList;
+        notifyDataSetChanged();
+    }
+
+    class EntryViewHolder extends RecyclerView.ViewHolder {
+        TextView textView;
+
+        public EntryViewHolder(@NonNull ItemCommentFilterUsageEmbeddedBinding binding) {
+            super(binding.getRoot());
+            textView = binding.getRoot();
+
+            textView.setTextColor(baseActivity.customThemeWrapper.getSecondaryTextColor());
+
+            if (baseActivity.typeface != null) {
+                textView.setTypeface(baseActivity.typeface);
+            }
+
+            textView.setOnClickListener(view -> {
+                Toast.makeText(baseActivity, textView.getText(), Toast.LENGTH_SHORT).show();
+            });
+        }
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterWithUsageRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterWithUsageRecyclerViewAdapter.java
new file mode 100644
index 00000000..48fd090f
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentFilterWithUsageRecyclerViewAdapter.java
@@ -0,0 +1,80 @@
+package ml.docilealligator.infinityforreddit.adapters;
+
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.activities.BaseActivity;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilter;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilterWithUsage;
+import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFixed;
+import ml.docilealligator.infinityforreddit.databinding.ItemCommentFilterWithUsageBinding;
+
+public class CommentFilterWithUsageRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private BaseActivity activity;
+    private final OnItemClickListener onItemClickListener;
+    private List<CommentFilterWithUsage> commentFilterWithUsageList;
+    private RecyclerView.RecycledViewPool recycledViewPool;
+
+    public interface OnItemClickListener {
+        void onItemClick(CommentFilter commentFilter);
+    }
+
+    public CommentFilterWithUsageRecyclerViewAdapter(BaseActivity activity, OnItemClickListener onItemClickListener) {
+        this.activity = activity;
+        this.recycledViewPool = new RecyclerView.RecycledViewPool();
+        this.onItemClickListener = onItemClickListener;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new CommentFilterViewHolder(ItemCommentFilterWithUsageBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        if (holder instanceof CommentFilterViewHolder) {
+            ((CommentFilterViewHolder) holder).binding.commentFilterNameTextViewItemCommentFilter.setText(commentFilterWithUsageList.get(position - 1).commentFilter.name);
+            ((CommentFilterViewHolder) holder).adapter.setCommentFilterUsageList(commentFilterWithUsageList.get(position - 1).commentFilterUsageList);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return commentFilterWithUsageList == null ? 1 : 1 + commentFilterWithUsageList.size();
+    }
+
+    public void setCommentFilterWithUsageList(List<CommentFilterWithUsage> commentFilterWithUsageList) {
+        this.commentFilterWithUsageList = commentFilterWithUsageList;
+        notifyDataSetChanged();
+    }
+
+    private class CommentFilterViewHolder extends RecyclerView.ViewHolder {
+        ItemCommentFilterWithUsageBinding binding;
+        CommentFilterUsageEmbeddedRecyclerViewAdapter adapter;
+
+        public CommentFilterViewHolder(@NonNull ItemCommentFilterWithUsageBinding binding) {
+            super(binding.getRoot());
+            this.binding = binding;
+            binding.commentFilterNameTextViewItemCommentFilter.setTextColor(activity.customThemeWrapper.getPrimaryTextColor());
+
+            if (activity.typeface != null) {
+                binding.commentFilterNameTextViewItemCommentFilter.setTypeface(activity.typeface);
+            }
+
+            binding.getRoot().setOnClickListener(view -> {
+                onItemClickListener.onItemClick(commentFilterWithUsageList.get(getBindingAdapterPosition() - 1).commentFilter);
+            });
+
+            binding.commentFilterUsageRecyclerViewItemCommentFilter.setRecycledViewPool(recycledViewPool);
+            binding.commentFilterUsageRecyclerViewItemCommentFilter.setLayoutManager(new LinearLayoutManagerBugFixed(activity));
+            adapter = new CommentFilterUsageEmbeddedRecyclerViewAdapter(activity);
+            binding.commentFilterUsageRecyclerViewItemCommentFilter.setAdapter(adapter);
+        }
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/CommentFilterOptionsBottomSheetFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/CommentFilterOptionsBottomSheetFragment.java
new file mode 100644
index 00000000..fd06d30e
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/CommentFilterOptionsBottomSheetFragment.java
@@ -0,0 +1,63 @@
+package ml.docilealligator.infinityforreddit.bottomsheetfragments;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.activities.CommentFilterPreferenceActivity;
+import ml.docilealligator.infinityforreddit.commentfilter.CommentFilter;
+import ml.docilealligator.infinityforreddit.customviews.LandscapeExpandedRoundedBottomSheetDialogFragment;
+import ml.docilealligator.infinityforreddit.databinding.FragmentCommentFilterOptionsBottomSheetBinding;
+import ml.docilealligator.infinityforreddit.utils.Utils;
+
+public class CommentFilterOptionsBottomSheetFragment extends LandscapeExpandedRoundedBottomSheetDialogFragment {
+
+    public static final String EXTRA_POST_FILTER = "EPF";
+    private CommentFilterPreferenceActivity activity;
+
+    public CommentFilterOptionsBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        FragmentCommentFilterOptionsBottomSheetBinding binding = FragmentCommentFilterOptionsBottomSheetBinding.inflate(inflater, container, false);
+
+        CommentFilter commentFilter = getArguments().getParcelable(EXTRA_POST_FILTER);
+
+        binding.editTextViewCommentFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
+            activity.editCommentFilter(commentFilter);
+            dismiss();
+        });
+
+        binding.applyToTextViewCommentFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
+            activity.applyCommentFilterTo(commentFilter);
+            dismiss();
+        });
+
+        binding.deleteTextViewCommentFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
+            activity.deleteCommentFilter(commentFilter);
+            dismiss();
+        });
+
+        if (activity.typeface != null) {
+            Utils.setFontToAllTextViews(binding.getRoot(), activity.typeface);
+        }
+
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        activity = (CommentFilterPreferenceActivity) context;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/PostFilterOptionsBottomSheetFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/PostFilterOptionsBottomSheetFragment.java
index 268f82ba..049549d1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/PostFilterOptionsBottomSheetFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/PostFilterOptionsBottomSheetFragment.java
@@ -5,26 +5,17 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 
-import butterknife.BindView;
-import butterknife.ButterKnife;
-import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.activities.PostFilterPreferenceActivity;
 import ml.docilealligator.infinityforreddit.customviews.LandscapeExpandedRoundedBottomSheetDialogFragment;
+import ml.docilealligator.infinityforreddit.databinding.FragmentPostFilterOptionsBottomSheetBinding;
 import ml.docilealligator.infinityforreddit.postfilter.PostFilter;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class PostFilterOptionsBottomSheetFragment extends LandscapeExpandedRoundedBottomSheetDialogFragment {
 
-    @BindView(R.id.edit_text_view_post_filter_options_bottom_sheet_fragment)
-    TextView editTextView;
-    @BindView(R.id.apply_to_text_view_post_filter_options_bottom_sheet_fragment)
-    TextView applyToTextView;
-    @BindView(R.id.delete_text_view_post_filter_options_bottom_sheet_fragment)
-    TextView deleteTextView;
     public static final String EXTRA_POST_FILTER = "EPF";
     private PostFilterPreferenceActivity activity;
 
@@ -36,32 +27,30 @@ public class PostFilterOptionsBottomSheetFragment extends LandscapeExpandedRound
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        View rootView = inflater.inflate(R.layout.fragment_post_filter_options_bottom_sheet, container, false);
-
-        ButterKnife.bind(this, rootView);
+        FragmentPostFilterOptionsBottomSheetBinding binding = FragmentPostFilterOptionsBottomSheetBinding.inflate(inflater, container, false);
 
         PostFilter postFilter = getArguments().getParcelable(EXTRA_POST_FILTER);
 
-        editTextView.setOnClickListener(view -> {
+        binding.editTextViewPostFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
             activity.editPostFilter(postFilter);
             dismiss();
         });
 
-        applyToTextView.setOnClickListener(view -> {
+        binding.applyToTextViewPostFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
             activity.applyPostFilterTo(postFilter);
             dismiss();
         });
 
-        deleteTextView.setOnClickListener(view -> {
+        binding.deleteTextViewPostFilterOptionsBottomSheetFragment.setOnClickListener(view -> {
             activity.deletePostFilter(postFilter);
             dismiss();
         });
 
         if (activity.typeface != null) {
-            Utils.setFontToAllTextViews(rootView, activity.typeface);
+            Utils.setFontToAllTextViews(binding.getRoot(), activity.typeface);
         }
 
-        return rootView;
+        return binding.getRoot();
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsage.java b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsage.java
index 9ee9e856..670786a5 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsage.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsage.java
@@ -1,5 +1,16 @@
 package ml.docilealligator.infinityforreddit.commentfilter;
 
-public class CommentFilterWithUsage {
+import androidx.room.Embedded;
+import androidx.room.Relation;
+
+import java.util.List;
 
+public class CommentFilterWithUsage {
+    @Embedded
+    public CommentFilter commentFilter;
+    @Relation(
+            parentColumn = "name",
+            entityColumn = "name"
+    )
+    public List<CommentFilterUsage> commentFilterUsageList;
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsageViewModel.java b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsageViewModel.java
new file mode 100644
index 00000000..fb8733fe
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/CommentFilterWithUsageViewModel.java
@@ -0,0 +1,38 @@
+package ml.docilealligator.infinityforreddit.commentfilter;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModel;
+import androidx.lifecycle.ViewModelProvider;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class CommentFilterWithUsageViewModel extends ViewModel {
+    private LiveData<List<CommentFilterWithUsage>> mCommentFilterWithUsageListLiveData;
+
+    public CommentFilterWithUsageViewModel(RedditDataRoomDatabase redditDataRoomDatabase) {
+        mCommentFilterWithUsageListLiveData = redditDataRoomDatabase.commentFilterDao().getAllCommentFilterWithUsageLiveData();
+    }
+
+    public LiveData<List<CommentFilterWithUsage>> getCommentFilterWithUsageListLiveData() {
+        return mCommentFilterWithUsageListLiveData;
+    }
+
+    public static class Factory extends ViewModelProvider.NewInstanceFactory {
+
+        private final RedditDataRoomDatabase mRedditDataRoomDatabase;
+
+        public Factory(RedditDataRoomDatabase redditDataRoomDatabase) {
+            mRedditDataRoomDatabase = redditDataRoomDatabase;
+        }
+
+        @NonNull
+        @Override
+        public <T extends ViewModel> T create(@NonNull Class<T> modelClass) {
+            //noinspection unchecked
+            return (T) new CommentFilterWithUsageViewModel(mRedditDataRoomDatabase);
+        }
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/DeleteCommentFilter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/DeleteCommentFilter.java
new file mode 100644
index 00000000..1fb18070
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/commentfilter/DeleteCommentFilter.java
@@ -0,0 +1,11 @@
+package ml.docilealligator.infinityforreddit.commentfilter;
+
+import java.util.concurrent.Executor;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class DeleteCommentFilter {
+    public static void deleteCommentFilter(RedditDataRoomDatabase redditDataRoomDatabase, Executor executor, CommentFilter commentFilter) {
+        executor.execute(() -> redditDataRoomDatabase.commentFilterDao().deleteCommentFilter(commentFilter));
+    }
+}