compareTo method

  1. @override
int compareTo(
  1. Chat other, [
  2. UserId? me
])
override

Compares this object to another object.

Returns a value like a Comparator when comparing this to other. That is, it returns a negative integer if this is ordered before other, a positive integer if this is ordered after other, and zero if this and other are ordered together.

The other argument must be a value that is comparable to this object.

Implementation

@override
int compareTo(Chat other, [UserId? me]) {
  if (ongoingCall != null && other.ongoingCall == null) {
    return -1;
  } else if (ongoingCall == null && other.ongoingCall != null) {
    return 1;
  } else if (ongoingCall != null && other.ongoingCall != null) {
    final result = ongoingCall!.at.compareTo(other.ongoingCall!.at);
    return result == 0 ? id.compareTo(other.id) : result;
  }

  if (favoritePosition != null && other.favoritePosition == null) {
    return -1;
  } else if (favoritePosition == null && other.favoritePosition != null) {
    return 1;
  } else if (favoritePosition != null && other.favoritePosition != null) {
    final result = other.favoritePosition!.compareTo(favoritePosition!);
    return result == 0 ? id.compareTo(other.id) : result;
  }

  if (id.isLocalWith(me) && !other.id.isLocalWith(me)) {
    return 1;
  } else if (!id.isLocalWith(me) && other.id.isLocalWith(me)) {
    return -1;
  }

  final result = other.updatedAt.compareTo(updatedAt);
  return result == 0 ? id.compareTo(other.id) : result;
}