Prepare to show post filter usages in PostFilterPreferenceActivity.

5 files changed, 50 insertions, 19 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java
index a4a63b1b..a8e49ae0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java
@@ -3,11 +3,13 @@ package ml.docilealligator.infinityforreddit.activities;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.MenuItem;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -16,6 +18,7 @@ import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
+import java.util.List;
 import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
@@ -32,7 +35,8 @@ import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.post.Post;
 import ml.docilealligator.infinityforreddit.postfilter.DeletePostFilter;
 import ml.docilealligator.infinityforreddit.postfilter.PostFilter;
-import ml.docilealligator.infinityforreddit.postfilter.PostFilterViewModel;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterWithUsageViewModel;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterWithUsage;
 
 public class PostFilterPreferenceActivity extends BaseActivity {
 
@@ -61,7 +65,7 @@ public class PostFilterPreferenceActivity extends BaseActivity {
     CustomThemeWrapper customThemeWrapper;
     @Inject
     Executor executor;
-    public PostFilterViewModel postFilterViewModel;
+    public PostFilterWithUsageViewModel postFilterWithUsageViewModel;
     private PostFilterRecyclerViewAdapter adapter;
 
     @Override
@@ -116,10 +120,15 @@ public class PostFilterPreferenceActivity extends BaseActivity {
 
         recyclerView.setAdapter(adapter);
 
-        postFilterViewModel = new ViewModelProvider(this,
-                new PostFilterViewModel.Factory(redditDataRoomDatabase)).get(PostFilterViewModel.class);
+        postFilterWithUsageViewModel = new ViewModelProvider(this,
+                new PostFilterWithUsageViewModel.Factory(redditDataRoomDatabase)).get(PostFilterWithUsageViewModel.class);
 
-        postFilterViewModel.getPostFilterListLiveData().observe(this, postFilters -> adapter.setPostFilterList(postFilters));
+        postFilterWithUsageViewModel.getPostFilterWithUsageListLiveData().observe(this, new Observer<List<PostFilterWithUsage>>() {
+            @Override
+            public void onChanged(List<PostFilterWithUsage> postFilterWithUsages) {
+                adapter.setPostFilterWithUsageList(postFilterWithUsages);
+            }
+        });
     }
 
     public void showPostFilterOptions(Post post, PostFilter postFilter) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostFilterRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostFilterRecyclerViewAdapter.java
index 56559ed1..f15c269c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostFilterRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostFilterRecyclerViewAdapter.java
@@ -15,6 +15,7 @@ import ml.docilealligator.infinityforreddit.activities.BaseActivity;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.databinding.ItemPostFilterBinding;
 import ml.docilealligator.infinityforreddit.postfilter.PostFilter;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterWithUsage;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class PostFilterRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@@ -25,7 +26,7 @@ public class PostFilterRecyclerViewAdapter extends RecyclerView.Adapter<Recycler
     private BaseActivity activity;
     private CustomThemeWrapper customThemeWrapper;
     private final OnItemClickListener onItemClickListener;
-    private List<PostFilter> postFilterList;
+    private List<PostFilterWithUsage> postFilterWithUsageList;
 
     public interface OnItemClickListener {
         void onItemClick(PostFilter postFilter);
@@ -59,17 +60,17 @@ public class PostFilterRecyclerViewAdapter extends RecyclerView.Adapter<Recycler
     @Override
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
         if (holder instanceof PostFilterViewHolder) {
-            ((PostFilterViewHolder) holder).binding.postFilterNameTextViewItemPostFilter.setText(postFilterList.get(position - 1).name);
+            ((PostFilterViewHolder) holder).binding.postFilterNameTextViewItemPostFilter.setText(postFilterWithUsageList.get(position - 1).postFilter.name);
         }
     }
 
     @Override
     public int getItemCount() {
-        return postFilterList == null ? 1 : 1 + postFilterList.size();
+        return postFilterWithUsageList == null ? 1 : 1 + postFilterWithUsageList.size();
     }
 
-    public void setPostFilterList(List<PostFilter> postFilterList) {
-        this.postFilterList = postFilterList;
+    public void setPostFilterWithUsageList(List<PostFilterWithUsage> postFilterWithUsageList) {
+        this.postFilterWithUsageList = postFilterWithUsageList;
         notifyDataSetChanged();
     }
 
@@ -85,8 +86,8 @@ public class PostFilterRecyclerViewAdapter extends RecyclerView.Adapter<Recycler
                 binding.postFilterNameTextViewItemPostFilter.setTypeface(activity.typeface);
             }
 
-            itemView.setOnClickListener(view -> {
-                onItemClickListener.onItemClick(postFilterList.get(getBindingAdapterPosition() - 1));
+            binding.getRoot().setOnClickListener(view -> {
+                onItemClickListener.onItemClick(postFilterWithUsageList.get(getBindingAdapterPosition() - 1).postFilter);
             });
         }
     }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterDao.java b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterDao.java
index ec53d185..37a511b1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterDao.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterDao.java
@@ -6,6 +6,7 @@ import androidx.room.Delete;
 import androidx.room.Insert;
 import androidx.room.OnConflictStrategy;
 import androidx.room.Query;
+import androidx.room.Transaction;
 
 import java.util.List;
 
@@ -39,4 +40,8 @@ public interface PostFilterDao {
             "(SELECT post_filter_usage.name FROM post_filter_usage WHERE (usage = :usage AND name_of_usage = :nameOfUsage) " +
             "OR (usage =:usage AND name_of_usage = '--'))")
     List<PostFilter> getValidPostFilters(int usage, String nameOfUsage);
+
+    @Transaction
+    @Query("SELECT * FROM post_filter ORDER BY name")
+    public LiveData<List<PostFilterWithUsage>> getAllPostFilterWithUsageLiveData();
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterWithUsage.java b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterWithUsage.java
new file mode 100644
index 00000000..c305a63f
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterWithUsage.java
@@ -0,0 +1,16 @@
+package ml.docilealligator.infinityforreddit.postfilter;
+
+import androidx.room.Embedded;
+import androidx.room.Relation;
+
+import java.util.List;
+
+public class PostFilterWithUsage {
+    @Embedded
+    public PostFilter postFilter;
+    @Relation(
+            parentColumn = "name",
+            entityColumn = "name"
+    )
+    public List<PostFilterUsage> postFilterUsages;
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterViewModel.java b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterWithUsageViewModel.java
index 48acd7f7..792eda40 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterViewModel.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterWithUsageViewModel.java
@@ -8,15 +8,15 @@ import java.util.List;
 
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 
-public class PostFilterViewModel extends ViewModel {
-    private LiveData<List<PostFilter>> mPostFilterListLiveData;
+public class PostFilterWithUsageViewModel extends ViewModel {
+    private LiveData<List<PostFilterWithUsage>> mPostFilterWithUsageListLiveData;
 
-    public PostFilterViewModel(RedditDataRoomDatabase redditDataRoomDatabase) {
-        mPostFilterListLiveData = redditDataRoomDatabase.postFilterDao().getAllPostFiltersLiveData();
+    public PostFilterWithUsageViewModel(RedditDataRoomDatabase redditDataRoomDatabase) {
+        mPostFilterWithUsageListLiveData = redditDataRoomDatabase.postFilterDao().getAllPostFilterWithUsageLiveData();
     }
 
-    public LiveData<List<PostFilter>> getPostFilterListLiveData() {
-        return mPostFilterListLiveData;
+    public LiveData<List<PostFilterWithUsage>> getPostFilterWithUsageListLiveData() {
+        return mPostFilterWithUsageListLiveData;
     }
 
     public static class Factory extends ViewModelProvider.NewInstanceFactory {
@@ -30,7 +30,7 @@ public class PostFilterViewModel extends ViewModel {
         @Override
         public <T extends ViewModel> T create(Class<T> modelClass) {
             //noinspection unchecked
-            return (T) new PostFilterViewModel(mRedditDataRoomDatabase);
+            return (T) new PostFilterWithUsageViewModel(mRedditDataRoomDatabase);
         }
     }
 }