com.github.insanusmokrassar.AutoPostTelegramBot.utils.commands.Command.kt Maven / Gradle / Ivy

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It is base library for creating smart bot for simple management of channels posts

There is a newer version: 1.7.0

package com.github.insanusmokrassar.AutoPostTelegramBot.utils.commands

import com.github.insanusmokrassar.AutoPostTelegramBot.messagesListener
import com.github.insanusmokrassar.AutoPostTelegramBot.utils.extensions.subscribe
import com.github.insanusmokrassar.TelegramBotAPI.types.MessageEntity.BotCommandMessageEntity
import com.github.insanusmokrassar.TelegramBotAPI.types.UpdateIdentifier
import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.CommonMessage
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.TextContent
import com.github.insanusmokrassar.TelegramBotAPI.types.update.abstracts.BaseMessageUpdate
import com.github.insanusmokrassar.TelegramBotAPI.utils.extensions.UpdateReceiver
import java.util.logging.Logger

private val logger = Logger.getLogger(Command::class.java.simpleName)

abstract class Command {
    val callback: UpdateReceiver
        get() = this::invoke
    protected abstract val commandRegex: Regex

    init {
        messagesListener.subscribe {
            invoke(it)
        }
    }

    suspend fun invoke(p1: BaseMessageUpdate) {
        (p1.data as? CommonMessage<*>) ?.let { message ->
            (message.content as? TextContent) ?.also {
                it.entities.firstOrNull {
                    it is BotCommandMessageEntity && (commandRegex.matches(it.command) || commandRegex.matches(it.sourceString))
                } ?.also {
                    onCommand(p1.updateId, message)
                } ?: if (commandRegex.matches(it.text)) {
                    onCommand(p1.updateId, message)
                }
            }
        }
    }

    abstract suspend fun onCommand(updateId: UpdateIdentifier, message: CommonMessage<*>)
}