Mercury-IM/domain/src/main/java/org/mercury_im/messenger/core/viewmodel/chat/ChatViewModel.java

package org.mercury_im.messenger.core.viewmodel.chat;

import org.mercury_im.messenger.core.Messenger;
import org.mercury_im.messenger.core.SchedulersFacade;
import org.mercury_im.messenger.core.data.repository.Repositories;
import org.mercury_im.messenger.core.viewmodel.MercuryViewModel;
import org.mercury_im.messenger.entity.chat.DirectChat;
import org.mercury_im.messenger.entity.contact.Peer;
import org.mercury_im.messenger.entity.message.Message;

import java.util.List;

import io.reactivex.Observable;
import lombok.Getter;

public class ChatViewModel implements MercuryViewModel {

    private final Messenger messenger;
    private final Repositories repositories;
    private final SchedulersFacade schedulers;

    @Getter
    private Observable<Peer> peer;

    @Getter
    private Observable<List<Message>> messages;

    @Getter
    private Observable<String> contactDisplayName;


    public ChatViewModel(Messenger messenger,
                         Repositories repositories,
                         SchedulersFacade schedulers,
                         DirectChat chat) {
        this.messenger = messenger;
        this.repositories = repositories;
        this.schedulers = schedulers;

        //peer = repositories.getPeerRepository().observePeer(chat.getPeer());
        messages = repositories.getMessageRepository().observeMessages(chat);

        contactDisplayName = repositories.getPeerRepository().observePeer(chat.getPeer())
                .map(optional -> optional.isPresent() ? optional.getItem().getDisplayName() : "DELETED");
    }

    public void sendMessage(String body) {
        //addDisposable(messenger.sendMessage());
    }
}