2 files changed, 70 insertions, 14 deletions

diff --git a/src/main/java/files/Anime.java b/src/main/java/files/Anime.java
index 92aa954..6fd72b8 100644
--- a/src/main/java/files/Anime.java
+++ b/src/main/java/files/Anime.java
@@ -6,6 +6,7 @@ public class Anime {
     private final String[] genres;
     private final String year;
     private final String image;
+    private static byte indexOfRecentlyAddedAnime = 0;
 
     public Anime(String name, String description, String[] genres, String year, String image) {
         this.name = name;
@@ -15,13 +16,29 @@ public class Anime {
         this.image = image;
     }
 
-    public String getImage() {
-        return image;
-    }
-
     public String showInfo() {
         return "Имя: " + this.name + System.lineSeparator() +
                 "Описание: " + this.description + System.lineSeparator() +
                 "Год: " + this.year + System.lineSeparator();
     }
+
+    public String getImage() {
+        return image;
+    }
+
+    public static byte getIndexOfRecentlyAddedAnime() {
+        return indexOfRecentlyAddedAnime;
+    }
+
+    public static void setIndexOfRecentlyAddedAnime(byte number) {
+        indexOfRecentlyAddedAnime = number;
+    }
+
+    public static void decreaseIndexOfRecentlyAddedAnime() {
+        indexOfRecentlyAddedAnime--;
+    }
+
+    public static void increaseIndexOfRecentlyAddedAnime() {
+        indexOfRecentlyAddedAnime++;
+    }
 }
diff --git a/src/main/java/files/Bot.java b/src/main/java/files/Bot.java
index fb39ebc..59190df 100644
--- a/src/main/java/files/Bot.java
+++ b/src/main/java/files/Bot.java
@@ -2,20 +2,20 @@ package files;
 
 import com.pengrad.telegrambot.TelegramBot;
 import com.pengrad.telegrambot.UpdatesListener;
+import com.pengrad.telegrambot.model.CallbackQuery;
 import com.pengrad.telegrambot.model.Update;
 import com.pengrad.telegrambot.model.User;
 import com.pengrad.telegrambot.model.request.InlineKeyboardButton;
 import com.pengrad.telegrambot.model.request.InlineKeyboardMarkup;
 import com.pengrad.telegrambot.model.request.Keyboard;
 import com.pengrad.telegrambot.model.request.ReplyKeyboardMarkup;
+import com.pengrad.telegrambot.request.DeleteMessage;
+import com.pengrad.telegrambot.request.SendMessage;
 import com.pengrad.telegrambot.request.SendPhoto;
-import files.entity.TelegramUser;
+import com.pengrad.telegrambot.response.BaseResponse;
 
-import javax.persistence.EntityManager;
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
 import java.util.Properties;
 
 public class Bot {
@@ -29,8 +29,36 @@ public class Bot {
 
         telegramBot.setUpdatesListener(updates -> {
             updates.forEach(update -> {
+                byte indexOfRecentlyAddedAnime = Anime.getIndexOfRecentlyAddedAnime();
+
+                if (update.callbackQuery() != null && update.message() != null) {
+                    CallbackQuery callbackQuery = update.callbackQuery();
+                    String data = callbackQuery.data();
+                    User user = callbackQuery.from();
+                    int messageId = callbackQuery.message().messageId();
+                    long chatId = callbackQuery.message().chat().id();
+
+                    System.out.println(callbackQuery.toString());
+
+                    if (data.equals("previous")) {
+                        Anime.decreaseIndexOfRecentlyAddedAnime();
+                        if (indexOfRecentlyAddedAnime == -1) Anime.setIndexOfRecentlyAddedAnime((byte) 19);
+                        Bot.showRecentlyAddedAnimeCallBackQuery(telegramBot, callbackQuery, Anime.getIndexOfRecentlyAddedAnime());
+                    }
+                    if (data.equals("next")) {
+                        Anime.increaseIndexOfRecentlyAddedAnime();
+                        if (indexOfRecentlyAddedAnime == 20) Anime.setIndexOfRecentlyAddedAnime((byte) 0);
+                        Bot.showRecentlyAddedAnimeCallBackQuery(telegramBot, callbackQuery, Anime.getIndexOfRecentlyAddedAnime());
+                    }
+
+                    DeleteMessage deleteMessage = new DeleteMessage(chatId, messageId);
+                    BaseResponse response = telegramBot.execute(deleteMessage);
+                }
                 DataBase.saveUser(update);
-                Bot.showRecentlyAddedAnime(telegramBot, update, (byte) 5);
+
+                indexOfRecentlyAddedAnime = 0;
+                Anime.setIndexOfRecentlyAddedAnime((byte) 0);
+                Bot.showRecentlyAddedAnime(telegramBot, update, (byte) indexOfRecentlyAddedAnime);
             });
             return UpdatesListener.CONFIRMED_UPDATES_ALL;
         });
@@ -39,6 +67,7 @@ public class Bot {
     public static Keyboard getMainKeyboard() {
         return new ReplyKeyboardMarkup(
                 new String[]{"Поиск аниме"},
+                new String[]{"Недавно добавленные аниме"},
                 new String[]{"Случайное аниме"})
                 .oneTimeKeyboard(true)
                 .resizeKeyboard(true)
@@ -47,17 +76,27 @@ public class Bot {
 
     public static Keyboard getCarouselKeyboard() {
         return new InlineKeyboardMarkup(
-                new InlineKeyboardButton("<-").callbackData("callback_data"),
-                new InlineKeyboardButton("->").callbackData("callback_data"));
+                new InlineKeyboardButton("<-").callbackData("previous"),
+                new InlineKeyboardButton("->").callbackData("next"));
+    }
+
+    public static void showRecentlyAddedAnime(TelegramBot telegramBot, Update update, byte index) {
+        Anime[] anime = new Anime[20];
+        try {
+            anime = Parser.getAnimeAtMainMenu("https://animego.org/anime?sort=a.createdAt&direction=desc");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        telegramBot.execute(new SendPhoto(update.message().chat().id(), anime[index].getImage()).caption(anime[index].showInfo()).replyMarkup(Bot.getCarouselKeyboard()));
     }
 
-    public static void showRecentlyAddedAnime(TelegramBot bot, Update update, byte index) {
-        Anime[] anime = new Anime[0];
+    public static void showRecentlyAddedAnimeCallBackQuery(TelegramBot telegramBot, CallbackQuery callbackQuery, byte index) {
+        Anime[] anime = new Anime[20];
         try {
             anime = Parser.getAnimeAtMainMenu("https://animego.org/anime?sort=a.createdAt&direction=desc");
         } catch (IOException e) {
             e.printStackTrace();
         }
-        bot.execute(new SendPhoto(update.message().chat().id(), anime[index].getImage()).caption(anime[index].showInfo()).replyMarkup(Bot.getCarouselKeyboard()));
+        telegramBot.execute(new SendPhoto(callbackQuery.message().chat().id(), anime[index].getImage()).caption(anime[index].showInfo()).replyMarkup(Bot.getCarouselKeyboard()));
     }
 }