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ru.codeoff.bots.sdk.longpoll.LongPoll Maven / Gradle / Ivy
package ru.codeoff.bots.sdk.longpoll;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.codeoff.bots.sdk.callbacks.Callback;
import ru.codeoff.bots.sdk.clients.Client;
import ru.codeoff.bots.sdk.longpoll.responses.GetLongPollServerResponse;
import ru.codeoff.bots.sdk.utils.web.Connection;
import org.json.JSONException;
import org.json.JSONObject;
/**
* com.petersamokhin.bots.sdk.Main class for work with VK longpoll server
* More: link
*/
public class LongPoll {
private static final Logger LOG = LoggerFactory.getLogger(LongPoll.class);
private String server = null;
private String key = null;
private Integer ts = null;
public Integer pts = null;
private Integer wait = 25;
/**
* 2 + 32 + 128
* attachments + pts + random_id
*/
private Integer mode = 162;
private Integer version = 2;
private Integer need_pts = 1;
private Double API = 5.103;
private volatile boolean on = false;
private UpdatesHandler updatesHandler;
private Client client;
private Boolean islongpolllog = true;
/**
* Simple default constructor that requires only access token
*
* @param client client with your access token key, more: link
*/
public LongPoll(Client client) {
this.updatesHandler = new UpdatesHandler(client);
this.updatesHandler.start();
this.client = client;
boolean dataSetted = setData(null, null, null, null, null);
while (!dataSetted) {
LOG.error("Произошла ошибка при попытке получить настройки VK LongPoll, прерывание. Попытка снова через 1 сек.");
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
dataSetted = setData(null, null, null, null, null);
}
if (!on) {
on = true;
Thread threadLongpollListener = new Thread(this::startListening);
threadLongpollListener.setName("threadLongpollListener");
threadLongpollListener.start();
}
}
/**
* Custom constructor
*
* @param client client with your access token key, more: link
* @param need_pts more: link
* @param version more: link
* @param API more: link
* @param wait more: link
* @param mode more: link
*/
public LongPoll(Client client, Integer need_pts, Integer version, Double API, Integer wait, Integer mode) {
this.updatesHandler = new UpdatesHandler(client);
this.updatesHandler.start();
this.client = client;
boolean dataSetted = setData(need_pts, version, API, wait, mode);
while(!dataSetted) {
LOG.error("Произошла ошибка при попытке получить настройки VK LongPoll, прерывание. Попытка снова через 1 сек.");
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
dataSetted = setData(need_pts, version, API, wait, mode);
}
if (!on) {
on = true;
Thread threadLongpollListener = new Thread(this::startListening);
threadLongpollListener.setName("threadLongpollListener");
threadLongpollListener.start();
}
}
/**
* If you need to set new longpoll server, or restart listening
* off old before.
*/
public void off() {
on = false;
}
public void longPollLogger(Boolean enable) {
this.islongpolllog = enable;
}
/**
* Add callback to the map
*
* @param name Callback name
* @param callback Callback
*/
public void registerCallback(String name, Callback callback) {
updatesHandler.registerCallback(name, callback);
}
/**
* Setting all necessary parameters
*
* @param need_pts param, info: link
* @param version param, info: link
* @param API param, info: link
* @param wait param, info: link
* @param mode param, info: link
*/
private boolean setData(Integer need_pts, Integer version, Double API, Integer wait, Integer mode) {
this.need_pts = need_pts == null ? this.need_pts : need_pts;
this.version = version == null ? this.version : version;
this.API = API == null ? this.API : API;
this.wait = wait == null ? this.wait : wait;
this.mode = mode == null ? this.mode : mode;
GetLongPollServerResponse serverResponse = getLongPollServer(client.getAccessToken());
if (serverResponse == null) {
LOG.error("Произошла ошибка, получен неверный ответ при получении настроек сервера VK LongPoll (server, key, ts, pts).");
return false;
}
this.server = serverResponse.getServer();
this.key = serverResponse.getKey();
this.ts = serverResponse.getTs();
this.pts = serverResponse.getPts();
return true;
}
/**
* First getting of longpoll server params
*
* @param access_token Access token
* @return LongPoll params
*/
private GetLongPollServerResponse getLongPollServer(String access_token) {
StringBuilder query = new StringBuilder();
query.append("https://api.vk.com/method/messages.getLongPollServer?need_pts=").append(need_pts).append("&lp_version=").append(version).append("&access_token=").append(access_token).append("&v=").append(API);
JSONObject response = new JSONObject(Connection.getRequestResponse(query.toString()));
LOG.info("Получение ответов сервера VK LongPoll: \n{}\n", response);
if (!response.has("response") || !response.getJSONObject("response").has("key") || !response.getJSONObject("response").has("server") || !response.getJSONObject("response").has("ts")) {
LOG.error("Плохой ответ на получение сервера VK LongPoll!\nЗапрос: {}\n Ответ: {}", query, response);
return null;
}
JSONObject data = response.getJSONObject("response");
return new GetLongPollServerResponse(
data.getString("key"),
data.getString("server"),
data.getInt("ts"),
data.getInt("pts")
);
}
/**
* Listening to events from VK longpoll server
* and call callbacks on events.
* You can override only necessary methods in callback to get necessary events.
*/
private void startListening() {
LOG.info("Началось логирование событий с сервера VK LongPoll...");
while (on) {
JSONObject response;
String responseString = "";
try {
responseString = Connection.getRequestResponse("https://" + server + "?act=a_check&key=" + key + "&ts=" + ts + "&wait=" + wait + "&mode=" + mode + "&version=" + version + "&msgs_limit=100000");
response = new JSONObject(responseString);
} catch (JSONException ignored) {
LOG.error("Произошла ошибка, с сервера VK LongPoll не было обновлений: {}", responseString);
continue;
}
LOG.info("Ответ получения обновлений: \n{}\n", response);
if (response.has("failed")) {
int code = response.getInt("failed");
LOG.error("Ответ VK LongPoll с кодом ошибки {}", code);
switch (code) {
default: {
if (response.has("ts")) {
ts = response.getInt("ts");
}
setData(null, null, null, null, null);
break;
}
case 4: {
version = response.getInt("max_version");
setData(null, null, null, null, null);
break;
}
}
} else {
if (response.has("ts"))
ts = response.getInt("ts");
if (response.has("pts"))
this.pts = response.getInt("pts");
if (this.updatesHandler.callbacksCount() > 0 || this.updatesHandler.commandsCount() > 0) {
if (response.has("ts") && response.has("updates")) {
this.updatesHandler.handle(response.getJSONArray("updates"));
} else {
LOG.error("Неверный ответ от сервера VK LongPoll: no `ts` or `updates` array: {}", response);
}
}
}
}
}
/**
* If the client need to start typing
* after receiving message
* and until client's message is sent
*/
public void enableTyping(boolean enable) {
this.updatesHandler.sendTyping = enable;
}
}
