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

54 lines
2.6 KiB
Kotlin

package com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.updates
import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.TextSource
import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.onlyTextContentMessages
import com.github.insanusmokrassar.TelegramBotAPI.types.MessageEntity.textsources.BotCommandTextSource
import com.github.insanusmokrassar.TelegramBotAPI.types.MessageEntity.textsources.RegularTextSource
import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.fullEntitiesList
import com.github.insanusmokrassar.TelegramBotAPI.types.update.abstracts.BaseSentMessageUpdate
import kotlinx.coroutines.flow.*
fun <T : BaseSentMessageUpdate> Flow<T>.filterExactCommands(
commandRegex: Regex
) = asContentMessagesFlow().onlyTextContentMessages().filter { contentMessage ->
(contentMessage.content.fullEntitiesList().singleOrNull() as? BotCommandTextSource) ?.let { commandRegex.matches(it.command) } == true
}
fun <T : BaseSentMessageUpdate> Flow<T>.filterCommandsInsideTextMessages(
commandRegex: Regex
) = asContentMessagesFlow().onlyTextContentMessages().filter { contentMessage ->
contentMessage.content.fullEntitiesList().any {
(it as? BotCommandTextSource) ?.let { commandRegex.matches(it.command) } == true
}
}
/**
* @return Result [Flow] will emit all [TextSource]s to the collector ONLY IN CASE if first [TextSource] is
* [BotCommandTextSource] and its [BotCommandTextSource.command] is [Regex.matches] to incoming [commandRegex]. Internal
* behaviour contains next rules: all incoming text sources will be passed as is, [RegularTextSource] will be divided
* by " " for several [RegularTextSource] which will contains not empty args without spaces
*/
fun <T : BaseSentMessageUpdate> Flow<T>.filterCommandsWithArgs(
commandRegex: Regex
): Flow<List<TextSource>> = asContentMessagesFlow().onlyTextContentMessages().mapNotNull { contentMessage ->
val allEntities = contentMessage.content.fullEntitiesList()
(allEntities.firstOrNull() as? BotCommandTextSource) ?.let {
if (commandRegex.matches(it.command)) {
allEntities.flatMap {
when (it) {
is RegularTextSource -> it.source.split(" ").mapNotNull { regularTextSourcePart ->
if (regularTextSourcePart.isNotBlank()) {
RegularTextSource(regularTextSourcePart)
} else {
null
}
}
else -> listOf(it)
}
}
} else {
null
}
}
}