104 lines
4.2 KiB
Java
104 lines
4.2 KiB
Java
package org.mercury_im.messenger.core.viewmodel.chat;
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import org.jxmpp.jid.EntityBareJid;
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import org.mercury_im.messenger.core.Messenger;
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import org.mercury_im.messenger.core.SchedulersFacade;
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import org.mercury_im.messenger.core.data.repository.DirectChatRepository;
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import org.mercury_im.messenger.core.data.repository.MessageRepository;
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import org.mercury_im.messenger.core.data.repository.PeerRepository;
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import org.mercury_im.messenger.core.data.repository.Repositories;
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import org.mercury_im.messenger.core.util.Optional;
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import org.mercury_im.messenger.core.viewmodel.MercuryViewModel;
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import org.mercury_im.messenger.entity.chat.DirectChat;
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import org.mercury_im.messenger.entity.contact.Peer;
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import org.mercury_im.messenger.entity.message.Message;
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import java.util.List;
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import java.util.UUID;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import io.reactivex.Observable;
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import io.reactivex.subjects.BehaviorSubject;
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import lombok.Getter;
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public class ChatViewModel implements MercuryViewModel {
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private static final Logger LOGGER = Logger.getLogger(ChatViewModel.class.getName());
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private final Messenger messenger;
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private final PeerRepository contactRepository;
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private final DirectChatRepository directChatRepository;
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private final MessageRepository messageRepository;
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private final SchedulersFacade schedulers;
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private DirectChat chat;
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@Getter
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private BehaviorSubject<Optional<Peer>> peer = BehaviorSubject.createDefault(new Optional<>());
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@Getter
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private Observable<List<Message>> messages;
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@Getter
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private Observable<String> contactDisplayName;
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private final BehaviorSubject<Observable<List<Message>>> messageQueryObservable = BehaviorSubject.create();
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public ChatViewModel(Messenger messenger,
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PeerRepository peerRepository,
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DirectChatRepository directChatRepository,
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MessageRepository messageRepository,
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SchedulersFacade schedulers) {
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this.messenger = messenger;
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this.contactRepository = peerRepository;
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this.directChatRepository = directChatRepository;
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this.messageRepository = messageRepository;
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this.schedulers = schedulers;
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}
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public void init(UUID accountId, EntityBareJid contactJid) {
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addDisposable(contactRepository.getOrCreatePeer(accountId, contactJid)
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.flatMap(directChatRepository::getOrCreateChatWithPeer)
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.subscribe(this::init,
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e -> LOGGER.log(Level.SEVERE, "Error subscribing to peer data", e)));
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}
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public void init(DirectChat directChat) {
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this.chat = directChat;
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messageQueryObservable.onNext(messageRepository.observeMessages(chat));
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messages = Observable.switchOnNext(messageQueryObservable);
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contactRepository.observePeer(chat.getPeer().getId()).subscribe(peer);
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contactDisplayName = peer.map(optional -> optional.isPresent() ? optional.getItem().getDisplayName() : "DELETED");
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}
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public void onQueryTextChanged(String query) {
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if (query.trim().isEmpty()) {
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messageQueryObservable.onNext(messageRepository.observeMessages(chat));
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} else {
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messageQueryObservable.onNext(messageRepository.findMessagesWithBody(chat, query));
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}
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}
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public void deleteContact() {
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addDisposable(peer.single(new Optional<>())
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.filter(Optional::isPresent)
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.map(Optional::getItem)
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.flatMapCompletable(messenger::deleteContact)
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.compose(schedulers.executeUiSafeCompletable())
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.subscribe(
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() -> LOGGER.log(Level.INFO, "Contact deleted."),
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e -> LOGGER.log(Level.SEVERE, "Error deleting contact.", e)));
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}
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public void sendMessage(String body) {
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addDisposable(messenger.sendEncryptedMessage(getPeer().getValue().getItem(), body)
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.compose(schedulers.executeUiSafeCompletable())
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.subscribe(() -> LOGGER.log(Level.INFO, "Successfully sent encrypted message."),
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e -> LOGGER.log(Level.SEVERE, "Error sending encrypted message.", e)));
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}
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}
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