Code Refactor

app/src/main/java/it/unisannio/ding/ids/wedroid/app/data/repository/WListRepository.kt

@@ -61,6 +61,35 @@ class WListRepository(
         removeOldWListsFromDb(wLists)
     }
 
+    fun deleteWList(idBoard: String, idWList:String) {
+        service.deleteList(idBoard, idWList).enqueue(
+            object : Callback<it.unisannio.ding.ids.wedroid.wrapper.entity.WList> {
+                override fun onFailure(call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.WList>, t: Throwable) {
+                    logNetworkError(t.message)
+                }
+
+                override fun onResponse(
+                    call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.WList>,
+                    response: Response<it.unisannio.ding.ids.wedroid.wrapper.entity.WList>
+                ) {
+                    CoroutineScope(Dispatchers.IO).launch {
+                        deleteWListCallBack(response,idWList)
+                    }
+                }
+            })
+    }
+
+    private fun deleteWListCallBack(response: Response<it.unisannio.ding.ids.wedroid.wrapper.entity.WList>,
+                                    id: String) {
+        if (!response.isSuccessful) {
+            logNetworkError("${response.code()} ${response.message()}")
+            return
+        }
+
+        dao.delete(WList(id))
+
+    }
+
     private suspend fun addNewWListToDb(wLists: Collection<WList>) {
         wLists.forEach {
             dao.insert(it)

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/BoardViewActivity.java

@@ -9,6 +9,7 @@ import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
@@ -30,16 +31,18 @@ import retrofit2.Response;
 
 public class BoardViewActivity extends AppCompatActivity {
 
-    String idBoard, username, boardTitle;
+    static final int WLISTS_REQUEST = 30;
-    int boardColor;
+
-    TextView description, members, permission, creationDate, lastModificationDate;
+    private String idBoard, username, boardTitle;
-    View divider1, divider2, divider3;
+    private int boardColor;
-    ListView listView;
+    private TextView description, members, permission, creationDate, lastModificationDate;
-    Button getListsButton;
+    private View divider1, divider2, divider3;
-    SharedPreferenceHelper sp;
+    private ListView listView;
-    ServicesFactory service;
+    private  Button getListsButton;
-    Toolbar myToolbar;
+    private SharedPreferenceHelper sp;
-    Board board;
+    private ServicesFactory service;
+    private Toolbar myToolbar;
+    private Board board;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -50,6 +53,7 @@ public class BoardViewActivity extends AppCompatActivity {
 
         Intent i = getIntent();
         idBoard= i.getStringExtra("idBoard");
+
         getListsButton = findViewById(R.id.getLists);
         description = findViewById(R.id.descriptionTxt);
         members = findViewById(R.id.membersTxt);
@@ -66,7 +70,6 @@ public class BoardViewActivity extends AppCompatActivity {
 
         initializeUI(idBoard);
 
-
         getListsButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -74,7 +77,7 @@ public class BoardViewActivity extends AppCompatActivity {
                 i.putExtra("idBoard", idBoard);
                 i.putExtra("barTitle", boardTitle);
                 i.putExtra("barColor", boardColor);
-                startActivity(i);
+                startActivityForResult(i, WLISTS_REQUEST);
             }
         });
     }
@@ -112,7 +115,6 @@ public class BoardViewActivity extends AppCompatActivity {
                 divider2.setBackgroundColor(boardColor);
                 divider3.setBackgroundColor(boardColor);
 
-
                 ArrayList<String> labelsTitle = new ArrayList<>();
                 for (int i=0; i<board.getLabels().size(); i++){
                     labelsTitle.add(board.getLabels().get(i).getName());
@@ -123,8 +125,7 @@ public class BoardViewActivity extends AppCompatActivity {
             }
 
             @Override
-            public void onFailure(Call<Board> call, Throwable t) {
+            public void onFailure(@NotNull Call<Board> call, @NotNull Throwable t) {
-                //boardTitle.setText(t.toString());
                 //TODO
             }
         });
@@ -187,9 +188,20 @@ public class BoardViewActivity extends AppCompatActivity {
             }
 
             @Override
-            public void onFailure(Call<User> call, Throwable t) {
+            public void onFailure(@NotNull Call<User> call, @NotNull Throwable t) {
                 //TODO
             }
         });
     }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == WLISTS_REQUEST) {
+            if (resultCode != WListsListActivity.RESULT_OK) {
+                Toast.makeText(this, "It's not possible view the lists",
+                        Toast.LENGTH_LONG).show();
+            }
+        }
+    }
 }

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/WListsListActivity.java

@@ -1,9 +1,7 @@
 package it.unisannio.ding.ids.wedroid.app.view;
 
 import android.content.Intent;
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.widget.Button;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
@@ -18,7 +16,6 @@ import java.util.Objects;
 
 import it.unisannio.ding.ids.wedroid.app.R;
 import it.unisannio.ding.ids.wedroid.app.data.entity.WList;
-import it.unisannio.ding.ids.wedroid.app.util.PreferenceReader;
 import it.unisannio.ding.ids.wedroid.app.util.SharedPreferenceHelper;
 import it.unisannio.ding.ids.wedroid.app.view.adapter.WListsAdapter;
 import it.unisannio.ding.ids.wedroid.app.viewModel.WListsListViewModel;
@@ -26,8 +23,10 @@ import it.unisannio.ding.ids.wedroid.app.viewModel.WListsListViewModel;
 public class WListsListActivity extends AppCompatActivity {
 
     Toolbar myToolbar;
-    String boardTitle;
     int barColor;
+    WListsListViewModel viewModel;
+    RecyclerView recyclerView;
+
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -35,24 +34,27 @@ public class WListsListActivity extends AppCompatActivity {
         setContentView(R.layout.activity_wlists_view);
         myToolbar = findViewById(R.id.my_toolbar);
         setSupportActionBar(myToolbar);
-        Intent i = getIntent();
 
-        boardTitle = i.getStringExtra("barTitle");
+        Intent i = getIntent();
+        String boardTitle = i.getStringExtra("barTitle");
         Objects.requireNonNull(getSupportActionBar()).setTitle(boardTitle);
         barColor = i.getIntExtra("barColor", 0);
+        setResult(WListsListActivity.RESULT_OK,i);
+
         myToolbar.setBackgroundColor(barColor);
 
-        PreferenceReader reader =new SharedPreferenceHelper(this);
+        recyclerView = findViewById(R.id.recyclerviewWList);
+        initializeUi();
+    }
 
-        RecyclerView recyclerView = findViewById(R.id.recyclerviewWList);
+    private void initializeUi() {
         final WListsAdapter adapter = new WListsAdapter(this);
         recyclerView.setAdapter(adapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(this,
                 LinearLayoutManager.HORIZONTAL, false));
-        //linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
         //recyclerView.setHasFixedSize(true);
 
-        WListsListViewModel viewModel = new ViewModelProvider(this).get(WListsListViewModel.class);
+        viewModel = new ViewModelProvider(this).get(WListsListViewModel.class);
 
         viewModel.getAllWLists().observe(this, new Observer<List<WList>>() {
             @Override

app/src/main/java/it/unisannio/ding/ids/wedroid/app/viewModel/WListsListViewModel.java

@@ -34,6 +34,13 @@ public class WListsListViewModel extends AndroidViewModel {
         return allWLists;
     }
 
+    public void deleteWList(int position, String idBoard) {
+        List<WList> wList = allWLists.getValue();
+
+        if (wList != null)
+            wListRepository.deleteWList(idBoard, wList.get(position).getId());
+    }
+
     public void refresh() {
         wListRepository.synchronize();
     }