netkorp / spring-boot-telegram-framework

import com.github.netkorp.telegram.framework.annotations.FreeCommand;

import com.github.netkorp.telegram.framework.commands.abstracts.AbstractCommand;

import com.github.netkorp.telegram.framework.commands.interfaces.HelpCommand;

import org.springframework.stereotype.Component;

import org.telegram.telegrambots.meta.api.objects.Update;

import java.util.StringJoiner;

@Component

@FreeCommand

public class OwnHelpCommand extends AbstractCommand implements HelpCommand {

    /**

     * Returns the commands that will be executed on the chat.

     *

     * @return Command to be executed.

     */

    /**

     * Processes the data of the commands.

     *

     * @param update The received message.

     */

    @Override

    public void execute(Update update) {

        StringJoiner stringJoiner = new StringJoiner(System.lineSeparator());

        stringJoiner.add("Commands:");

        commandManager.getAvailableFreeCommands()

                .forEach(command -> stringJoiner.add(String.format("%s - <b>%s</b>", command.command(), command.description())));

        bot.sendMessage(stringJoiner.toString(), update.getMessage().getChatId(), true);

    }

    /**

     * Returns the description of the commands.

     *

     * @return The description.

     */

    @Override

    public String description() {

        return "Displays an assistance message";

    }

}