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aNNiMONaNNiMON
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Save last update id in order to not reprocess commands
1 parent 8e0aa41 commit 56e681d

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4 files changed

+117
-57
lines changed

4 files changed

+117
-57
lines changed

‎.dockerignore‎

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@@ -2,4 +2,6 @@
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.build-cache
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.idea
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build
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README.md
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README.md
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*.dat
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*.db

‎.gitignore‎

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.settings
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bin
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build
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*.dat
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*.db

‎src/main/java/com/annimon/similarimagesbot/BaseBotHandler.java‎

Lines changed: 96 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,96 @@
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package com.annimon.similarimagesbot;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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import com.pengrad.telegrambot.TelegramBot;
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import com.pengrad.telegrambot.UpdatesListener;
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import com.pengrad.telegrambot.model.Message;
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import com.pengrad.telegrambot.model.PhotoSize;
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import com.pengrad.telegrambot.model.Update;
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import com.pengrad.telegrambot.request.GetUpdates;
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public abstract class BaseBotHandler {
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private final Comparator<PhotoSize> photoSizeComparator = Comparator
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.comparingInt(ps -> ps.width() * ps.height());
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private final Path uniqueIdPath = Paths.get("uniqueId.dat");
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protected final TelegramBot bot;
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public BaseBotHandler(String botToken) {
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bot = new TelegramBot.Builder(botToken)
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.updateListenerSleep(20_000L)
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.build();
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}
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public void run() {
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int oldLastUpdateId = readLastUpdateId();
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bot.setUpdatesListener(updates -> {
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final var filteredUpdates = updates.stream()
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.filter(u -> u.updateId() > oldLastUpdateId)
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.collect(Collectors.toList());
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handleUpdates(filteredUpdates);
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int newLastUpdateId = getLastUpdateIdFromUpdatesList(updates, oldLastUpdateId);
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writeLastUpdateId(newLastUpdateId + 1);
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return UpdatesListener.CONFIRMED_UPDATES_ALL;
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});
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}
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public void runOnce() {
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int oldLastUpdateId = readLastUpdateId();
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final var updates = bot.execute(new GetUpdates().offset(oldLastUpdateId)).updates();
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handleUpdates(updates);
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int newLastUpdateId = getLastUpdateIdFromUpdatesList(updates, oldLastUpdateId);
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writeLastUpdateId(newLastUpdateId + 1);
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}
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protected abstract void handleUpdates(List<Update> updates);
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protected List<Message> getChannelPostsWithPhotos(List<Update> updates) {
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return updates.stream()
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.map(Update::channelPost)
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.filter(Objects::nonNull)
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.filter(msg -> msg.photo() != null)
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.collect(Collectors.toList());
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}
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protected PhotoSize getSmallestPhoto(PhotoSize[] photoSizes) {
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return Arrays.stream(photoSizes)
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.min(photoSizeComparator)
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.orElse(photoSizes[0]);
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}
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protected PhotoSize getBiggestPhoto(PhotoSize[] photoSizes) {
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return Arrays.stream(photoSizes)
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.max(photoSizeComparator)
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.orElse(photoSizes[0]);
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}
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private int getLastUpdateIdFromUpdatesList(List<Update> updates, int previousUpdateId) {
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return updates.stream()
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.mapToInt(Update::updateId)
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.max()
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.orElse(previousUpdateId);
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}
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private int readLastUpdateId() {
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try {
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return Integer.parseInt(Files.readString(uniqueIdPath));
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} catch (IOException ioe) {
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return 0;
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}
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}
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private void writeLastUpdateId(int updateId) {
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try {
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Files.writeString(uniqueIdPath, Integer.toString(updateId));
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} catch (IOException ignore) {}
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}}

‎src/main/java/com/annimon/similarimagesbot/BotHandler.java‎

Lines changed: 17 additions & 56 deletions
Original file line numberDiff line numberDiff line change
@@ -1,29 +1,10 @@
11
package com.annimon.similarimagesbot;
22

3-
import com.annimon.similarimagesbot.data.ImageResult;
4-
import com.annimon.similarimagesbot.data.Post;
5-
import com.annimon.similarimagesbot.data.SimilarImagesInfo;
6-
import com.pengrad.telegrambot.TelegramBot;
7-
import com.pengrad.telegrambot.UpdatesListener;
8-
import com.pengrad.telegrambot.model.Message;
9-
import com.pengrad.telegrambot.model.PhotoSize;
10-
import com.pengrad.telegrambot.model.Update;
11-
import com.pengrad.telegrambot.model.request.InputMediaPhoto;
12-
import com.pengrad.telegrambot.model.request.ParseMode;
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import com.pengrad.telegrambot.request.DeleteMessage;
14-
import com.pengrad.telegrambot.request.ForwardMessage;
15-
import com.pengrad.telegrambot.request.GetFile;
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import com.pengrad.telegrambot.request.GetUpdates;
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import com.pengrad.telegrambot.request.SendMediaGroup;
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import com.pengrad.telegrambot.request.SendMessage;
19-
import com.pengrad.telegrambot.response.SendResponse;
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import java.awt.image.BufferedImage;
214
import java.io.IOException;
225
import java.net.URL;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Objects;
2910
import java.util.Optional;
@@ -33,39 +14,39 @@
3314
import java.util.regex.Pattern;
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import java.util.stream.Collectors;
3516
import javax.imageio.ImageIO;
17+
import com.annimon.similarimagesbot.data.ImageResult;
18+
import com.annimon.similarimagesbot.data.Post;
19+
import com.annimon.similarimagesbot.data.SimilarImagesInfo;
20+
import com.pengrad.telegrambot.model.Message;
21+
import com.pengrad.telegrambot.model.PhotoSize;
22+
import com.pengrad.telegrambot.model.Update;
23+
import com.pengrad.telegrambot.model.request.InputMediaPhoto;
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import com.pengrad.telegrambot.model.request.ParseMode;
25+
import com.pengrad.telegrambot.request.DeleteMessage;
26+
import com.pengrad.telegrambot.request.ForwardMessage;
27+
import com.pengrad.telegrambot.request.GetFile;
28+
import com.pengrad.telegrambot.request.SendMediaGroup;
29+
import com.pengrad.telegrambot.request.SendMessage;
30+
import com.pengrad.telegrambot.response.SendResponse;
3631

37-
public class BotHandler {
32+
public class BotHandler extends BaseBotHandler {
3833

39-
private final Comparator<PhotoSize> photoSizeComparator = Comparator
40-
.comparingInt(ps -> ps.width() * ps.height());
4134
private final Pattern delPattern = Pattern.compile("/del(\\d+)m(\\d+)");
4235
private final Pattern comparePattern = Pattern.compile("/compare(\\d+)m(\\d+)x(\\d+)");
4336

44-
private final TelegramBot bot;
4537
private final ImageIndexer indexer;
4638
private long adminId;
4739

4840
public BotHandler(String botToken, ImageIndexer indexer) {
49-
bot = new TelegramBot.Builder(botToken)
50-
.updateListenerSleep(20_000L)
51-
.build();
41+
super(botToken);
5242
this.indexer = indexer;
5343
}
5444

5545
public void setAdminId(long adminId) {
5646
this.adminId = adminId;
5747
}
5848

59-
public void run() {
60-
bot.setUpdatesListener(updates -> {
61-
final var removedPosts = processAdminCommands(updates);
62-
processUpdates(updates, removedPosts);
63-
return UpdatesListener.CONFIRMED_UPDATES_ALL;
64-
});
65-
}
66-
67-
public void runOnce() {
68-
final var updates = bot.execute(new GetUpdates()).updates();
49+
protected void handleUpdates(List<Update> updates) {
6950
final var removedPosts = processAdminCommands(updates);
7051
processUpdates(updates, removedPosts);
7152
}
@@ -154,14 +135,6 @@ private void processUpdates(List<Update> updates, Set<Post> ignoredPosts) {
154135
}
155136
}
156137

157-
private List<Message> getChannelPostsWithPhotos(List<Update> updates) {
158-
return updates.stream()
159-
.map(Update::channelPost)
160-
.filter(Objects::nonNull)
161-
.filter(msg -> msg.photo() != null)
162-
.collect(Collectors.toList());
163-
}
164-
165138
private void sendReport(List<SimilarImagesInfo> infos) {
166139
String report = infos.stream().map(info -> {
167140
final var post = info.getOriginalPost();
@@ -201,16 +174,4 @@ private String linkToMessage(Message msg) {
201174
private String linkToMessage(Long chatId, Integer messageId) {
202175
return "https://t.me/c/" + chatId.toString().replace("-100", "") + "/" + messageId;
203176
}
204-
205-
private PhotoSize getSmallestPhoto(PhotoSize[] photoSizes) {
206-
return Arrays.stream(photoSizes)
207-
.min(photoSizeComparator)
208-
.orElse(photoSizes[0]);
209-
}
210-
211-
private PhotoSize getBiggestPhoto(PhotoSize[] photoSizes) {
212-
return Arrays.stream(photoSizes)
213-
.max(photoSizeComparator)
214-
.orElse(photoSizes[0]);
215-
}
216177
}

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