tgbotapi/TelegramBotAPI-extensions-u.../src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/extensions/utils/CommonMessageConversations.kt

35 lines
1.4 KiB
Kotlin

package com.github.insanusmokrassar.TelegramBotAPI.extensions.utils
import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.CommonMessage
import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.ContentMessage
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.MessageContent
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.PossiblySentViaBotCommonMessage
import kotlinx.coroutines.flow.*
/**
* Simple factory to convert [ContentMessage] to a [CommonMessage]
*/
fun <C: MessageContent, T : ContentMessage<C>> Flow<T>.onlyCommonMessages() = filterIsInstance<CommonMessage<C>>()
/**
* Filter the messages and checking that incoming [CommonMessage] is [PossiblySentViaBotCommonMessage] and its
* [PossiblySentViaBotCommonMessage.senderBot] is not null
*/
fun <T : MessageContent> Flow<CommonMessage<T>>.onlySentViaBot() = mapNotNull {
(it as? PossiblySentViaBotCommonMessage) ?.let { possiblySentViaBot ->
if (possiblySentViaBot.senderBot != null) {
possiblySentViaBot
} else {
null
}
}
}
/**
* Filter the messages and checking that incoming [CommonMessage] not is [PossiblySentViaBotCommonMessage] or its
* [PossiblySentViaBotCommonMessage.senderBot] is null
*/
fun <T : MessageContent> Flow<CommonMessage<T>>.withoutSentViaBot() = filter {
it !is PossiblySentViaBotCommonMessage || it.senderBot == null
}