app/src/main/java/it/niedermann/nextcloud/deck/ui/upcomingcards/UpcomingCardsViewModel.java


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package it.niedermann.nextcloud.deck.ui.upcomingcards;

import android.app.Application;

import androidx.annotation.NonNull;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;

import java.util.List;
import java.util.stream.Collectors;

import it.niedermann.nextcloud.deck.model.Account;
import it.niedermann.nextcloud.deck.model.Board;
import it.niedermann.nextcloud.deck.model.enums.ESortCriteria;
import it.niedermann.nextcloud.deck.model.widget.filter.EWidgetType;
import it.niedermann.nextcloud.deck.model.widget.filter.FilterWidget;
import it.niedermann.nextcloud.deck.model.widget.filter.FilterWidgetAccount;
import it.niedermann.nextcloud.deck.model.widget.filter.FilterWidgetSort;
import it.niedermann.nextcloud.deck.model.widget.filter.FilterWidgetUser;
import it.niedermann.nextcloud.deck.model.widget.filter.dto.FilterWidgetCard;
import it.niedermann.nextcloud.deck.persistence.sync.SyncManager;

@SuppressWarnings("WeakerAccess")
public class UpcomingCardsViewModel extends AndroidViewModel {

    private final SyncManager syncManager;

    public UpcomingCardsViewModel(@NonNull Application application) {
        super(application);
        this.syncManager = new SyncManager(application);
    }

    public LiveData<List<UpcomingCardsAdapterItem>> getUpcomingCards() {
        final MutableLiveData<List<UpcomingCardsAdapterItem>> ret = new MutableLiveData<>();
        new Thread(() -> {
            List<Account> accounts = syncManager.readAccountsDirectly();

            final FilterWidget config = new FilterWidget();
            config.setWidgetType(EWidgetType.UPCOMING_WIDGET);
            config.setSorts(new FilterWidgetSort(ESortCriteria.DUE_DATE, true));
            config.setAccounts(accounts.stream().map(account -> {
                final FilterWidgetAccount fwa = new FilterWidgetAccount(account.getId(), false);
                fwa.setUsers(new FilterWidgetUser(syncManager.getUserByUidDirectly(account.getId(), account.getUserName()).getLocalId()));
                return fwa;
            }).collect(Collectors.toList()));
            List<FilterWidgetCard> filterWidgetCards = this.syncManager.getCardsForFilterWidget(new FilterWidget());
            ret.postValue(filterWidgetCards.stream().map((filterWidgetCard -> {
                final Board board = syncManager.getBoardById(
                        syncManager.getBoardLocalIdByLocalCardIdDirectly(filterWidgetCard.getCard().getLocalId())
                );
                return new UpcomingCardsAdapterItem(filterWidgetCard.getCard(), new Account(), board.getId(), board.getLocalId(), board.isPermissionEdit());
            })).collect(Collectors.toList()));
        }).start();
        return ret;
    }
}