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Util extensions for more useful work with updates and other things

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package com.github.insanusmokrassar.TelegramBotAPI.extensions.utils

import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.ContentMessage
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.*
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.MessageContent
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.media.*
import com.github.insanusmokrassar.TelegramBotAPI.types.message.payments.InvoiceContent
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.mapNotNull
import kotlin.reflect.KClass

fun  Flow>.withContentType(contentType: KClass) = mapNotNull {
    if (contentType.isInstance(it.content)) {
        @Suppress("UNCHECKED_CAST")
        it as ContentMessage
    } else {
        null
    }
}

fun Flow>.onlyAnimationContentMessages() = withContentType(AnimationContent::class)
fun Flow>.onlyAudioContentMessages() = withContentType(AudioContent::class)
fun Flow>.onlyContactContentMessages() = withContentType(ContactContent::class)
fun Flow>.onlyDiceContentMessages() = withContentType(DiceContent::class)
fun Flow>.onlyDocumentContentMessages() = withContentType(DocumentContent::class)
fun Flow>.onlyGameContentMessages() = withContentType(GameContent::class)
fun Flow>.onlyInvoiceContentMessages() = withContentType(InvoiceContent::class)
fun Flow>.onlyLocationContentMessages() = withContentType(LocationContent::class)
fun Flow>.onlyPhotoContentMessages() = withContentType(PhotoContent::class)
fun Flow>.onlyPollContentMessages() = withContentType(PollContent::class)
fun Flow>.onlyStickerContentMessages() = withContentType(StickerContent::class)
fun Flow>.onlyTextContentMessages() = withContentType(TextContent::class)
fun Flow>.onlyVenueContentMessages() = withContentType(VenueContent::class)
fun Flow>.onlyVideoContentMessages() = withContentType(VideoContent::class)
fun Flow>.onlyVideoNoteContentMessages() = withContentType(VideoNoteContent::class)
fun Flow>.onlyVoiceContentMessages() = withContentType(VoiceContent::class)