38 lines
1.4 KiB
Kotlin
38 lines
1.4 KiB
Kotlin
package com.github.insanusmokrassar.TelegramBotAPI.extensions.utils
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import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.*
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import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.MessageContent
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import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.PossiblySentViaBotCommonMessage
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import kotlinx.coroutines.flow.*
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/**
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* Simple factory to convert [ContentMessage] to a [CommonMessage]
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*/
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fun <C: MessageContent, T : ContentMessage<C>> Flow<T>.onlyCommonMessages() = filterIsInstance<CommonMessage<C>>()
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/**
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* Shortcut for [onlyCommonMessages]
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*/
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@Suppress("NOTHING_TO_INLINE")
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inline fun <C: MessageContent, T : ContentMessage<C>> Flow<T>.commonMessages() = onlyCommonMessages()
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/**
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* Filter the messages and checking that incoming [CommonMessage] is [PossiblySentViaBotCommonMessage] and its
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* [PossiblySentViaBotCommonMessage.senderBot] is not null
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*/
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fun <MC : MessageContent, M : ContentMessage<MC>> Flow<M>.onlySentViaBot() = mapNotNull {
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if (it is PossiblySentViaBot && it.senderBot != null) {
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it
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} else {
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null
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}
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}
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/**
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* Filter the messages and checking that incoming [CommonMessage] not is [PossiblySentViaBotCommonMessage] or its
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* [PossiblySentViaBotCommonMessage.senderBot] is null
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*/
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fun <MC : MessageContent, M : ContentMessage<MC>> Flow<M>.withoutSentViaBot() = filter {
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it !is PossiblySentViaBot || it.senderBot == null
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}
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