Delete Concerts

.idea/deploymentTargetDropDown.xml

@@ -6,7 +6,20 @@
         <State />
       </entry>
       <entry key="app">
-        <State />
+        <State>
+          <runningDeviceTargetSelectedWithDropDown>
+            <Target>
+              <type value="RUNNING_DEVICE_TARGET" />
+              <deviceKey>
+                <Key>
+                  <type value="SERIAL_NUMBER" />
+                  <value value="adb-R52N50NLGRT-9CB8rW._adb-tls-connect._tcp" />
+                </Key>
+              </deviceKey>
+            </Target>
+          </runningDeviceTargetSelectedWithDropDown>
+          <timeTargetWasSelectedWithDropDown value="2024-11-01T14:55:24.387595315Z" />
+        </State>
       </entry>
     </value>
   </component>

app/src/main/java/core/notevault/data/MusicNoteDAO.java

@@ -1,6 +1,7 @@
 package core.notevault.data;
 
 import androidx.room.Dao;
+import androidx.room.Delete;
 import androidx.room.Insert;
 import androidx.room.Query;
 
@@ -26,4 +27,7 @@ public interface MusicNoteDAO {
 
     @Query("SELECT * FROM concerts")
     List<Concert> getAllConcerts();
+
+    @Delete
+    void deleteConcert(Concert concert);
 }

app/src/main/java/core/notevault/ui/gallery/ConcertAdapter.java

@@ -4,6 +4,7 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageButton;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
@@ -18,12 +19,19 @@ import java.util.List;
 public class ConcertAdapter extends RecyclerView.Adapter<ConcertAdapter.ConcertViewHolder> {
 
     private final List<Concert> concertList;
+    private final OnConcertDeleteListener deleteListener;
 
-    public ConcertAdapter(List<Concert> concertList) {
+    public interface OnConcertDeleteListener {
-        this.concertList = concertList;
+        void onDeleteConcert(Concert concert);
     }
 
-    public ConcertAdapter() {
+    public ConcertAdapter(List<Concert> concertList, OnConcertDeleteListener deleteListener) {
+        this.concertList = concertList;
+        this.deleteListener = deleteListener;
+    }
+
+    public ConcertAdapter(OnConcertDeleteListener deleteListener) {
+        this.deleteListener = deleteListener;
         this.concertList = new ArrayList<>();
     }
 
@@ -31,6 +39,11 @@ public class ConcertAdapter extends RecyclerView.Adapter<ConcertAdapter.ConcertV
     public void onBindViewHolder(@NonNull ConcertViewHolder holder, int position) {
         holder.concertTitleView.setText(concertList.get(position).getTitle());
         holder.dateHolder.setText(concertList.get(position).getConcertDate());
+
+        holder.deleteButton.setOnClickListener(v ->{
+            Log.d("ConcertAdapter", "Delete button clicked for: " + concertList.get(position).getTitle());
+            deleteListener.onDeleteConcert(concertList.get(position));
+        });
     }
 
     @Override
@@ -57,12 +70,13 @@ public class ConcertAdapter extends RecyclerView.Adapter<ConcertAdapter.ConcertV
         TextView concertTitleView;
         TextView dateHolder;
 
+        ImageButton deleteButton;
+
         public ConcertViewHolder(@NonNull @NotNull View itemView) {
             super(itemView);
             concertTitleView = itemView.findViewById(R.id.concert_title);
             dateHolder = itemView.findViewById(R.id.concert_date);
+            deleteButton = itemView.findViewById(R.id.delete_concert_button);
         }
     }
-
-
 }

app/src/main/java/core/notevault/ui/gallery/GalleryFragment.java

@@ -2,6 +2,8 @@ package core.notevault.ui.gallery;
 
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -39,7 +41,7 @@ public class GalleryFragment extends Fragment {
         View root = binding.getRoot();
 
         RecyclerView recyclerView = root.findViewById(R.id.concert_recycler_view);
-        concertAdapter = new ConcertAdapter();
+        concertAdapter = new ConcertAdapter(this::deleteConcert);
         recyclerView.setAdapter(concertAdapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 
@@ -58,6 +60,20 @@ public class GalleryFragment extends Fragment {
         return root;
     }
 
+    public void deleteConcert(Concert concert) {
+        Log.d("GalleryFragment", "Delete Concert");
+        new Thread(() -> {
+            MusicDatabase musicDatabase = MusicDatabase.getDatabase(this.getContext());
+            MusicNoteDAO musicNoteDAO = musicDatabase.musicNoteDao();
+            musicNoteDAO.deleteConcert(concert);
+
+            new Handler(Looper.getMainLooper()).post(() -> {
+                galleryViewModel.deleteConcert(concert);
+                Log.d("GalleryFragment", "Concert deleted successfully and ViewModel updated");
+            });
+        }).start();
+    }
+
     public void updateConcerts() {
 
     }

app/src/main/java/core/notevault/ui/gallery/GalleryViewModel.java

@@ -33,4 +33,12 @@ public class GalleryViewModel extends ViewModel {
             concerts.setValue(currentConcerts);
         }
     }
+
+    public void deleteConcert(Concert concert) {
+        List<Concert> currentConcerts = concerts.getValue();
+        if(currentConcerts != null) {
+            currentConcerts.remove(concert);
+            concerts.setValue(currentConcerts);
+        }
+    }
 }

app/src/main/res/layout/concert_item.xml

@@ -49,7 +49,7 @@
                 android:background="?android:selectableItemBackgroundBorderless" />
 
         <ImageButton
-                android:id="@+id/delete_button"
+                android:id="@+id/delete_concert_button"
                 android:layout_width="48dp"
                 android:layout_height="48dp"
                 android:src="@drawable/delete"