Fix #989 -️️ Display confirm dialog when deleting an account with unsynchronized changes

import androidx.annotation.Nullable;

import androidx.lifecycle.ViewModelProvider;

import com.nextcloud.android.sso.helper.SingleAccountHelper;

import it.niedermann.owncloud.notes.LockedActivity;

import it.niedermann.owncloud.notes.R;

import it.niedermann.owncloud.notes.branding.BrandedDeleteAlertDialogBuilder;

import it.niedermann.owncloud.notes.databinding.ActivityManageAccountsBinding;

import it.niedermann.owncloud.notes.persistence.NotesDatabase;

import it.niedermann.owncloud.notes.exception.ExceptionDialogFragment;

import it.niedermann.owncloud.notes.persistence.entity.Account;

import it.niedermann.owncloud.notes.shared.model.IResponseCallback;

    private ActivityManageAccountsBinding binding;

    private ManageAccountsViewModel viewModel;

    private ManageAccountAdapter adapter;

    private NotesDatabase db = null;

    @Override

    public void onCreate(@Nullable Bundle savedInstanceState) {

        binding = ActivityManageAccountsBinding.inflate(getLayoutInflater());

        viewModel = new ViewModelProvider(this).get(ManageAccountsViewModel.class);

        setContentView(binding.getRoot());

        setContentView(binding.getRoot());

        setSupportActionBar(binding.toolbar);

        db = NotesDatabase.getInstance(this);

        adapter = new ManageAccountAdapter(

                (accountToSelect) -> viewModel.selectAccount(accountToSelect, this),

                (accountToDelete) -> viewModel.deleteAccount(accountToDelete, this)

        );

        adapter = new ManageAccountAdapter(this::selectAccount, this::deleteAccount);

        binding.accounts.setAdapter(adapter);

        viewModel.getAccounts$().observe(this, (accounts) -> {

        });

    }

    private void selectAccount(@NonNull Account accountToSelect) {

        viewModel.selectAccount(accountToSelect, this);

    }

    private void deleteAccount(@NonNull Account accountToDelete) {

        viewModel.countUnsynchronizedNotes(accountToDelete.getId(), new IResponseCallback<Long>() {

            @Override

            public void onSuccess(Long unsynchronizedChangesCount) {

                runOnUiThread(() -> {

                    if (unsynchronizedChangesCount != null && unsynchronizedChangesCount > 0) {

                        new BrandedDeleteAlertDialogBuilder(ManageAccountsActivity.this)

                                .setTitle(getString(R.string.remove_account, accountToDelete.getUserName()))

                                .setMessage(getResources().getQuantityString(R.plurals.remove_account_message, (int) unsynchronizedChangesCount.longValue(), accountToDelete.getAccountName(), unsynchronizedChangesCount))

                                .setNeutralButton(android.R.string.cancel, null)

                                .setPositiveButton(R.string.simple_remove, (d, l) -> viewModel.deleteAccount(accountToDelete, ManageAccountsActivity.this))

                                .show();

                    } else {

                        viewModel.deleteAccount(accountToDelete, ManageAccountsActivity.this);

                    }

                });

            }

            @Override

            public void onError(@NonNull Throwable t) {

                ExceptionDialogFragment.newInstance(t).show(getSupportFragmentManager(), ExceptionDialogFragment.class.getSimpleName());

            }

        });

    }

    @Override

    public void applyBrand(int mainColor, int textColor) {

        applyBrandToPrimaryToolbar(binding.appBar, binding.toolbar);

import androidx.lifecycle.AndroidViewModel;

import androidx.lifecycle.LiveData;

import com.nextcloud.android.sso.AccountImporter;

import com.nextcloud.android.sso.exceptions.NextcloudFilesAppAccountNotFoundException;

import com.nextcloud.android.sso.exceptions.NoCurrentAccountSelectedException;

import com.nextcloud.android.sso.helper.SingleAccountHelper;

import java.util.List;

import it.niedermann.owncloud.notes.persistence.NotesDatabase;

import it.niedermann.owncloud.notes.persistence.SSOClient;

import it.niedermann.owncloud.notes.persistence.entity.Account;

import it.niedermann.owncloud.notes.shared.model.IResponseCallback;

    public void selectAccount(@Nullable Account account, @NonNull Context context) {

        SingleAccountHelper.setCurrentAccount(context, (account == null) ? null : account.getAccountName());

    }

    public void countUnsynchronizedNotes(long accountId, @NonNull IResponseCallback<Long> callback) {

        new Thread(() -> callback.onSuccess(db.getNoteDao().countUnsynchronizedNotes(accountId))).start();

    }

}

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    @Query("SELECT accountId, category, COUNT(*) as 'totalNotes' FROM NOTE WHERE STATUS != 'LOCAL_DELETED' AND accountId = :accountId AND category != '' AND category LIKE :searchTerm GROUP BY category")

    LiveData<List<CategoryWithNotesCount>> searchCategories$(Long accountId, String searchTerm);

    @Query("SELECT COUNT(*) FROM NOTE WHERE STATUS != '' AND accountId = :accountId")

    Long countUnsynchronizedNotes(long accountId);

}

    <string name="action_sorting_method">Sorting method</string>

    <string name="simple_cancel">Cancel</string>

    <string name="simple_edit">Edit</string>

    <string name="simple_remove">Remove</string>

    <string name="action_edit_save">Save</string>

    <string name="simple_about">About</string>

    <string name="simple_link">Link</string>

    <string name="no_other_accounts">You don\'t have configured any other accounts yet.</string>

    <string name="choose_account">Choose account</string>

    <string name="context_based_formatting">Context based formatting popover</string>

    <plurals name="remove_account_message">

        <item quantity="one">Removing the account %1$s will also delete one unsynchronized change irrecoverable.</item>

        <item quantity="other">Removing the account %1$s will also delete %2$d unsynchronized changes irrecoverable.</item>

    </plurals>

    <string name="remove_account">Remove %1$s</string>

</resources>

- ⚠️️ Display confirm dialog when deleting an account with unsynchronized changes (#989)

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