implement deleting lists

re: #30

Author: sk22

mastodon/src/main/java/org/joinmastodon/android/api/requests/lists/DeleteList.java

@@ -0,0 +1,10 @@
+package org.joinmastodon.android.api.requests.lists;
+
+import org.joinmastodon.android.api.MastodonAPIRequest;
+import org.joinmastodon.android.model.ListTimeline;
+
+public class DeleteList extends MastodonAPIRequest<Object> {
+	public DeleteList(String id) {
+		super(HttpMethod.DELETE, "/lists/" + id, Object.class);
+	}
+}

mastodon/src/main/java/org/joinmastodon/android/fragments/ListTimelineFragment.java

@@ -4,6 +4,7 @@
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageButton;
@@ -41,8 +42,22 @@ public void onAttach(Activity activity){
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
-        // TODO: implement edit, delete
-        // inflater.inflate(R.menu.list, menu);
+        inflater.inflate(R.menu.list, menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.edit) {
+
+        } else if (item.getItemId() == R.id.delete) {
+            UiUtils.confirmDeleteList(getActivity(), accountID, listID, () -> {
+                Bundle args = new Bundle();
+                args.putString("listID", listID);
+                setResult(true, args);
+                Nav.finish(this);
+            });
+        }
+        return true;
     }
 
     @Override

mastodon/src/main/java/org/joinmastodon/android/fragments/ListTimelinesFragment.java

@@ -20,14 +20,14 @@
 import org.joinmastodon.android.api.requests.lists.RemoveAccountsFromList;
 import org.joinmastodon.android.model.ListTimeline;
 import org.joinmastodon.android.ui.M3AlertDialogBuilder;
-import org.joinmastodon.android.ui.utils.UiUtils;
 import org.joinmastodon.android.ui.views.ListTimelineEditor;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 
+import me.grishka.appkit.Nav;
 import me.grishka.appkit.api.Callback;
 import me.grishka.appkit.api.ErrorResponse;
 import me.grishka.appkit.api.SimpleCallback;
@@ -36,6 +36,8 @@
 import me.grishka.appkit.views.UsableRecyclerView;
 
 public class ListTimelinesFragment extends BaseRecyclerFragment<ListTimeline> implements ScrollableToTop {
+    private static final int LIST_DELETED_RESULT = 987;
+
     private String accountId;
     private String profileAccountId;
     private String profileDisplayUsername;
@@ -145,7 +147,22 @@ public void onSuccess(List<ListTimeline> allLists) {
     }
 
     @Override
-    protected RecyclerView.Adapter getAdapter() {
+    public void onFragmentResult(int reqCode, boolean listDeleted, Bundle result){
+        if (reqCode == LIST_DELETED_RESULT && listDeleted) {
+            String listID = result.getString("listID");
+
+            for (int i = 0; i < data.size(); i++) {
+                if (data.get(i).id.equals(listID)) {
+                    data.remove(i);
+                    adapter.notifyItemRemoved(i);
+                    break;
+                }
+            }
+        }
+    }
+
+    @Override
+    protected RecyclerView.Adapter<ListViewHolder> getAdapter() {
         return adapter = new ListsAdapter();
     }
 
@@ -202,7 +219,11 @@ private void onClickToggle(View view) {
 
         @Override
         public void onClick() {
-            UiUtils.openListTimeline(getActivity(), accountId, item);
+            Bundle args=new Bundle();
+            args.putString("account", accountId);
+            args.putString("listID", item.id);
+            args.putString("listTitle", item.title);
+            Nav.goForResult(getActivity(), ListTimelineFragment.class, args, LIST_DELETED_RESULT, ListTimelinesFragment.this);
         }
     }
 }

mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java

@@ -52,6 +52,7 @@
 import org.joinmastodon.android.api.requests.accounts.SetDomainBlocked;
 import org.joinmastodon.android.api.requests.accounts.AuthorizeFollowRequest;
 import org.joinmastodon.android.api.requests.accounts.RejectFollowRequest;
+import org.joinmastodon.android.api.requests.lists.DeleteList;
 import org.joinmastodon.android.api.requests.notifications.DismissNotification;
 import org.joinmastodon.android.api.requests.search.GetSearchResults;
 import org.joinmastodon.android.api.requests.statuses.CreateStatus;
@@ -339,14 +340,6 @@ public static void openHashtagTimeline(Context context, String accountID, String
 		Nav.go((Activity)context, HashtagTimelineFragment.class, args);
 	}
 
-	public static void openListTimeline(Context context, String accountID, ListTimeline list){
-		Bundle args=new Bundle();
-		args.putString("account", accountID);
-		args.putString("listID", list.id);
-		args.putString("listTitle", list.title);
-		Nav.go((Activity)context, ListTimelineFragment.class, args);
-	}
-
 	public static void showConfirmationAlert(Context context, @StringRes int title, @StringRes int message, @StringRes int confirmButton, Runnable onConfirmed){
 		showConfirmationAlert(context, title, message, confirmButton, 0, onConfirmed);
 	}
@@ -541,6 +534,21 @@ public void onError(ErrorResponse error) {
 		);
 	}
 
+	public static void confirmDeleteList(Activity activity, String accountID, String listID, Runnable callback) {
+		showConfirmationAlert(activity, R.string.sk_delete_list, R.string.sk_delete_list_confirm, R.string.delete, R.drawable.ic_fluent_delete_28_regular,
+				() -> new DeleteList(listID).setCallback(new Callback<>() {
+					@Override
+					public void onSuccess(Object o) {
+						callback.run();
+					}
+
+					@Override
+					public void onError(ErrorResponse error) {
+						error.showToast(activity);
+					}
+				}).exec(accountID));
+	}
+
 	public static void setRelationshipToActionButton(Relationship relationship, Button button){
 		setRelationshipToActionButton(relationship, button, false);
 	}

mastodon/src/main/res/values/strings_sk.xml

@@ -136,4 +136,6 @@
     <string name="sk_list_replies_policy_list">List members</string>
     <string name="sk_list_replies_policy_followed">Any followed user</string>
     <string name="sk_list_replies_policy_none">No one</string>
+    <string name="sk_delete_list">Delete list</string>
+    <string name="sk_delete_list_confirm">Are you sure you want to delete this list?</string>
 </resources>