Examples with Lao com.github.dedis.popstellar.model.objects.Lao used on opensource projects

Example 36 with Lao

use of com.github.dedis.popstellar.model.objects.Lao in project popstellar by dedis.

the class LaoDetailViewModel method openRollCall.

/**
 * Opens a roll call event.
 *
 * <p>Publish a GeneralMessage containing OpenRollCall data.
 *
 * @param id the roll call id to open
 */
public void openRollCall(String id) {
    Log.d(TAG, "call openRollCall");
    Lao lao = getCurrentLaoValue();
    if (lao == null) {
        Log.d(TAG, LAO_FAILURE_MESSAGE);
        return;
    }
    long openedAt = Instant.now().getEpochSecond();
    Channel channel = lao.getChannel();
    String laoId = lao.getId();
    Optional<RollCall> optRollCall = lao.getRollCall(id);
    if (!optRollCall.isPresent()) {
        Log.d(TAG, "failed to retrieve roll call with id " + id + "laoID: " + laoId);
        return;
    }
    RollCall rollCall = optRollCall.get();
    OpenRollCall openRollCall = new OpenRollCall(laoId, id, openedAt, rollCall.getState());
    attendees = new HashSet<>(rollCall.getAttendees());
    try {
        attendees.add(keyManager.getPoPToken(lao, rollCall).getPublicKey());
    } catch (KeyException e) {
        ErrorUtils.logAndShow(getApplication(), TAG, e, R.string.error_retrieve_own_token);
    }
    Disposable disposable = networkManager.getMessageSender().publish(keyManager.getMainKeyPair(), channel, openRollCall).subscribe(() -> {
        Log.d(TAG, "opened the roll call");
        currentRollCallId = openRollCall.getUpdateId();
        scanningAction = ScanningAction.ADD_ROLL_CALL_ATTENDEE;
        openScanning();
    }, error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_open_rollcall));
    disposables.add(disposable);
}

Example 37 with Lao

use of com.github.dedis.popstellar.model.objects.Lao in project popstellar by dedis.

the class LaoDetailViewModel method dispatchLaoUpdate.

/**
 * Helper method for updateLaoWitnesses and updateLaoName to send a stateLao message
 */
private void dispatchLaoUpdate(String desc, UpdateLao updateLao, Lao lao, Channel channel, MessageGeneral msg) {
    StateLao stateLao = new StateLao(updateLao.getId(), updateLao.getName(), lao.getCreation(), updateLao.getLastModified(), lao.getOrganizer(), msg.getMessageId(), updateLao.getWitnesses(), new ArrayList<>());
    disposables.add(networkManager.getMessageSender().publish(keyManager.getMainKeyPair(), channel, stateLao).subscribe(() -> Log.d(TAG, "updated " + desc), error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_state_lao)));
}

Example 38 with Lao

use of com.github.dedis.popstellar.model.objects.Lao in project popstellar by dedis.

the class SocialMediaViewModel method isOwner.

/**
 * Check whether the sender of a chirp is the current user
 *
 * @param sender String of the PoPToken PublicKey
 * @return true if the sender is the current user
 */
public boolean isOwner(String sender) {
    Log.d(TAG, "Testing if the sender is also the owner");
    Lao lao = getCurrentLao();
    if (lao == null) {
        Log.e(TAG, LAO_FAILURE_MESSAGE);
        return false;
    }
    try {
        PoPToken token = keyManager.getValidPoPToken(lao);
        return sender.equals(token.getPublicKey().getEncoded());
    } catch (KeyException e) {
        ErrorUtils.logAndShow(getApplication(), TAG, e, R.string.error_retrieve_own_token);
        return false;
    }
}

Example 39 with Lao

use of com.github.dedis.popstellar.model.objects.Lao in project popstellar by dedis.

the class HomeViewModel method launchLao.

/**
 * launchLao is invoked when the user tries to create a new LAO. The method creates a `CreateLAO`
 * message and publishes it to the root channel. It observers the response in the background and
 * switches to the home screen on success.
 */
public void launchLao() {
    String laoName = mLaoName.getValue();
    Log.d(TAG, "creating lao with name " + laoName);
    CreateLao createLao = new CreateLao(laoName, keyManager.getMainPublicKey());
    disposables.add(networkManager.getMessageSender().publish(keyManager.getMainKeyPair(), Channel.ROOT, createLao).subscribe(() -> {
        Log.d(TAG, "got success result for create lao");
        // Create new LAO and add it to the LAORepository LAO lists
        Lao lao = new Lao(createLao.getId());
        laoRepository.getLaoById().put(lao.getId(), new LAOState(lao));
        laoRepository.setAllLaoSubject();
        // Send subscribe and catchup after creating a LAO
        networkManager.getMessageSender().subscribe(lao.getChannel()).subscribe();
        openHome();
    }, error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_create_lao)));
}

Example 40 with Lao

use of com.github.dedis.popstellar.model.objects.Lao in project popstellar by dedis.

the class ChirpHandler method handleChirpAdd.

/**
 * Process an AddChirp message.
 *
 * @param context the HandlerContext of the message
 * @param addChirp the data of the message that was received
 */
public static void handleChirpAdd(HandlerContext context, AddChirp addChirp) {
    LAORepository laoRepository = context.getLaoRepository();
    Channel channel = context.getChannel();
    MessageID messageId = context.getMessageId();
    PublicKey senderPk = context.getSenderPk();
    Lao lao = laoRepository.getLaoByChannel(channel);
    Chirp chirp = new Chirp(messageId);
    chirp.setChannel(channel);
    chirp.setSender(senderPk);
    chirp.setText(addChirp.getText());
    chirp.setTimestamp(addChirp.getTimestamp());
    chirp.setParentId(addChirp.getParentId().orElse(new MessageID("")));
    lao.updateAllChirps(messageId, chirp);
}