1package eu.siacs.conversations.xmpp.manager;
 2
 3import android.content.Context;
 4import android.util.Log;
 5import com.google.common.util.concurrent.Futures;
 6import com.google.common.util.concurrent.ListenableFuture;
 7import com.google.common.util.concurrent.MoreExecutors;
 8import eu.siacs.conversations.Config;
 9import eu.siacs.conversations.xmpp.Jid;
10import eu.siacs.conversations.xmpp.XmppConnection;
11import im.conversations.android.xmpp.model.stanza.Iq;
12import im.conversations.android.xmpp.model.vcard.VCard;
13import java.util.Objects;
14
15public class VCardManager extends AbstractManager {
16
17    public VCardManager(final Context context, final XmppConnection connection) {
18        super(context, connection);
19    }
20
21    public ListenableFuture<VCard> retrieve(final Jid address) {
22        final var iq = new Iq(Iq.Type.GET, new VCard());
23        iq.setTo(address);
24        return Futures.transform(
25                this.connection.sendIqPacket(iq),
26                result -> {
27                    final var vCard = result.getExtension(VCard.class);
28                    if (vCard == null) {
29                        throw new IllegalStateException("Result did not include vCard");
30                    }
31                    return vCard;
32                },
33                MoreExecutors.directExecutor());
34    }
35
36    public ListenableFuture<byte[]> retrievePhoto(final Jid address) {
37        final var vCardFuture = retrieve(address);
38        return Futures.transform(
39                vCardFuture,
40                vCard -> {
41                    final var photo = vCard.getPhoto();
42                    if (photo == null) {
43                        throw new IllegalStateException(
44                                String.format("No photo in vCard of %s", address));
45                    }
46                    final var binaryValue = photo.getBinaryValue();
47                    if (binaryValue == null) {
48                        throw new IllegalStateException(
49                                String.format("Photo has no binary value in vCard of %s", address));
50                    }
51                    return binaryValue.asBytes();
52                },
53                MoreExecutors.directExecutor());
54    }
55
56    public ListenableFuture<Void> publish(final VCard vCard) {
57        final var iq = new Iq(Iq.Type.SET, vCard);
58        iq.setTo(getAccount().getJid().asBareJid());
59        return Futures.transform(
60                connection.sendIqPacket(iq), result -> null, MoreExecutors.directExecutor());
61    }
62
63    public ListenableFuture<Void> deletePhoto() {
64        final var vCardFuture = retrieve(getAccount().getJid().asBareJid());
65        return Futures.transformAsync(
66                vCardFuture,
67                vCard -> {
68                    final var photo = vCard.getPhoto();
69                    if (photo == null) {
70                        return Futures.immediateFuture(null);
71                    }
72                    Log.d(
73                            Config.LOGTAG,
74                            "deleting photo from vCard. binaryValue="
75                                    + Objects.nonNull(photo.getBinaryValue()));
76                    photo.clearChildren();
77                    return publish(vCard);
78                },
79                MoreExecutors.directExecutor());
80    }
81}