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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.api;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.juick.server.component.DisconnectedEvent;
import com.juick.service.MessagesService;
import com.juick.service.SubscriptionService;
import com.juick.service.TelegramService;
import com.pengrad.telegrambot.Callback;
import com.pengrad.telegrambot.TelegramBot;
import com.pengrad.telegrambot.model.request.InlineKeyboardButton;
import com.pengrad.telegrambot.model.request.InlineKeyboardMarkup;
import com.pengrad.telegrambot.model.request.ParseMode;
import com.pengrad.telegrambot.request.SendMessage;
import com.pengrad.telegrambot.request.SetWebhook;
import com.pengrad.telegrambot.response.SendResponse;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.PingMessage;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.io.IOException;
import java.util.List;
import static com.juick.formatters.PlainTextFormatter.formatPost;
import static com.juick.formatters.PlainTextFormatter.formatUrl;
/**
* Created by vt on 12/05/16.
*/
@Component
public class TelegramBotManager extends TextWebSocketHandler {
private static final Logger logger = LoggerFactory.getLogger(TelegramBotManager.class);
private TelegramBot bot;
@Value("${telegram_token}")
private String telegramToken;
@Inject
private TelegramService telegramService;
@Inject
private MessagesService messagesService;
@Inject
private SubscriptionService subscriptionService;
@Inject
private ObjectMapper jsonMapper;
@Inject
private ApplicationEventPublisher applicationEventPublisher;
private WebSocketSession session;
public static final String MSG_LINK = "🔗";
@PostConstruct
public void init() {
if (StringUtils.isBlank(telegramToken)) {
logger.info("telegram token is not set, exiting");
return;
}
bot = new TelegramBot(telegramToken);
try {
SetWebhook webhook = new SetWebhook().url("https://api.juick.com/tlgmbtwbhk");
if (!bot.execute(webhook).isOk()) {
logger.error("error setting webhook");
}
} catch (Exception e) {
logger.warn("couldn't initialize telegram bot", e);
}
}
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
logger.info("WebSocket connected");
this.session = session;
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
logger.info("WebSocket disconnected with code {}: {}", status.getCode(), status.getReason());
applicationEventPublisher.publishEvent(new DisconnectedEvent(this));
}
@Scheduled(fixedRate = 30000)
public void ping() throws IOException {
if (session != null && session.isOpen()) {
logger.debug("Sending WebSocket ping");
session.sendMessage(new PingMessage());
} else {
applicationEventPublisher.publishEvent(new DisconnectedEvent(this));
}
}
@Override
protected void handleTextMessage(WebSocketSession session, TextMessage text) throws Exception {
com.juick.Message jmsg = jsonMapper.readValue(text.asBytes(), com.juick.Message.class);
if (logger.isInfoEnabled()) // prevent writeValueAsString execution if logger disabled
logger.info("got jmsg: {}", jsonMapper.writeValueAsString(jmsg));
String msgUrl = formatUrl(jmsg);
if (jmsg.getRid() == 0) {
String msg = String.format("[%s](%s) %s", MSG_LINK, msgUrl, formatPost(jmsg));
List<Long> users = telegramService.getTelegramIdentifiers(subscriptionService.getSubscribedUsers(jmsg.getUser().getUid(), jmsg.getMid()));
List<Long> chats = telegramService.getChats();
// registered subscribed users
users.forEach(c -> telegramNotify(c, msg));
// anonymous
chats.stream().filter(u -> telegramService.getUser(u) == 0).forEach(c -> telegramNotify(c, msg));
} else {
// get quote
com.juick.Message msg = messagesService.getReply(jmsg.getMid(), jmsg.getRid());
String fmsg = String.format("[%s](%s) %s", MSG_LINK, msgUrl, formatPost(msg));
telegramService.getTelegramIdentifiers(
subscriptionService.getUsersSubscribedToComments(jmsg.getMid(), jmsg.getUser().getUid())
).forEach(c -> telegramNotify(c, fmsg));
}
}
public void telegramNotify(Long c, String msg) {
SendMessage telegramMessage = new SendMessage(c, msg);
telegramMessage.parseMode(ParseMode.Markdown).disableWebPagePreview(true);
bot.execute(telegramMessage, new Callback<SendMessage, SendResponse>() {
@Override
public void onResponse(SendMessage request, SendResponse response) {
logger.info("got response: {}", response.message());
}
@Override
public void onFailure(SendMessage request, IOException e) {
logger.warn("telegram failure", e);
}
});
}
public void telegramSignupNotify(Long telegramId, String hash) {
bot.execute(new SendMessage(telegramId,
String.format("You are subscribed to all Juick messages. " +
"[Create or link](http://juick.com/signup?type=durov&hash=%s) " +
"an existing Juick account to get your subscriptions and ability to post messages", hash))
.parseMode(ParseMode.Markdown), new Callback<SendMessage, SendResponse>() {
@Override
public void onResponse(SendMessage request, SendResponse response) {
logger.info("got response: {}", response.message());
}
@Override
public void onFailure(SendMessage request, IOException e) {
logger.warn("telegram failure", e);
}
});
}
public TelegramBot getBot() {
return bot;
}
}
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