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package it.niedermann.nextcloud.deck.ui.upcomingcards;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import it.niedermann.nextcloud.deck.DeckLog;
import it.niedermann.nextcloud.deck.model.Card;
import static java.time.temporal.ChronoUnit.DAYS;
public class UpcomingCardsUtil {
private UpcomingCardsUtil() {
throw new UnsupportedOperationException("This class must not get instantiated");
}
@NonNull
public static EUpcomingDueType getDueType(@Nullable Instant dueDate) {
if (dueDate == null) {
return EUpcomingDueType.NO_DUE;
}
long diff = DAYS.between(LocalDate.now(), dueDate.atZone(ZoneId.systemDefault()).toLocalDate());
if (diff > 7) {
return EUpcomingDueType.LATER;
} else if (diff > 1) {
return EUpcomingDueType.WEEK;
} else if (diff > 0) {
return EUpcomingDueType.TOMORROW;
} else if (diff == 0) {
return EUpcomingDueType.TODAY;
} else {
return EUpcomingDueType.OVERDUE;
}
}
/**
* @return a {@link Collection} of the given {@param items}, sorted and separated by {@link UpcomingCardsAdapterSectionItem}.
*/
public static Collection<Object> addDueDateSeparators(@NonNull Context context, @NonNull List<UpcomingCardsAdapterItem> items) {
final Collection<Object> ret = new ArrayList<>();
final Comparator<UpcomingCardsAdapterItem> comparator = Comparator.comparing((card -> {
if (card != null &&
card.getFullCard() != null &&
card.getFullCard().getCard() != null &&
card.getFullCard().getCard().getDueDate() != null) {
return card.getFullCard().getCard().getDueDate();
}
return null;
}), Comparator.nullsLast(Comparator.naturalOrder()));
comparator.thenComparing(card -> {
if (card != null &&
card.getFullCard() != null &&
card.getFullCard().getCard().getDueDate() != null) {
final Card c = card.getFullCard().getCard();
if (c.getLastModified() == null && c.getLastModifiedLocal() != null) {
return c.getLastModifiedLocal();
} else if (c.getLastModified() != null && c.getLastModifiedLocal() == null) {
return c.getLastModified();
} else {
return c.getLastModifiedLocal().toEpochMilli() > c.getLastModified().toEpochMilli() ?
c.getLastModifiedLocal() : c.getLastModified();
}
}
return null;
}, Comparator.nullsLast(Comparator.naturalOrder()));
Collections.sort(
items,
comparator
);
EUpcomingDueType lastDueType = null;
for (UpcomingCardsAdapterItem filterWidgetCard : items) {
final EUpcomingDueType nextDueType = getDueType(filterWidgetCard.getFullCard().getCard().getDueDate());
DeckLog.info(filterWidgetCard.getFullCard().getCard().getTitle() + ":", nextDueType.name());
if (!nextDueType.equals(lastDueType)) {
ret.add(new UpcomingCardsAdapterSectionItem(nextDueType.toString(context)));
lastDueType = nextDueType;
}
ret.add(filterWidgetCard);
}
return ret;
}
}
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