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@override
  Future<void> markAsFriend({required RiceUser user}) async {
    final currentUser = await getUser();
    final currentUserId = currentUser.id;

    // Apenas adicionar ao array FriendedBy do user. Analisar depois se é necessário modificar valor no Followings do currentUser

    final userDocRef = db.collection('users').doc(user.id);

    final currentUserRelationshipDocRef = db
        .collection('users')
        .doc(currentUserId)
        .collection('relationships')
        .doc(user.id);
    final userRelationshipDocRef = db
        .collection('users')
        .doc(user.id)
        .collection('relationships')
        .doc(currentUserId);

    // Adicionar ao array e merge
    await userDocRef.set(
      {
        'friendedBy': FieldValue.arrayUnion([currentUserId]),
      },
      SetOptions(merge: true),
    );

    await currentUserRelationshipDocRef.set(
      {
        'yourFriend': true,
      },
      SetOptions(merge: true),
    );

    await userRelationshipDocRef.set(
      {
        'friendedYou': true,
      },
      SetOptions(merge: true),
    );
  }