2021-01-18 17:32:47 +00:00
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import dev.inmo.micro_utils.coroutines.safely
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import dev.inmo.tgbotapi.bot.Ktor.telegramBot
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2020-10-04 11:32:50 +00:00
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import dev.inmo.tgbotapi.extensions.api.downloadFile
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import dev.inmo.tgbotapi.extensions.api.get.getFileAdditionalInfo
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import dev.inmo.tgbotapi.extensions.utils.flatMap
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import dev.inmo.tgbotapi.extensions.utils.shortcuts.*
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import dev.inmo.tgbotapi.extensions.utils.updates.retrieving.startGettingFlowsUpdatesByLongPolling
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import dev.inmo.tgbotapi.types.message.content.abstracts.MediaContent
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import dev.inmo.tgbotapi.utils.filenameFromUrl
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2020-08-23 15:52:13 +00:00
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import kotlinx.coroutines.*
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import kotlinx.coroutines.flow.*
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import java.io.File
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/**
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* This bot will download incoming files
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*/
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suspend fun main(args: Array<String>) {
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val botToken = args.first()
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val directoryOrFile = args.getOrNull(1) ?.let { File(it) } ?: File("")
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directoryOrFile.mkdirs()
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val bot = telegramBot(botToken)
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val scope = CoroutineScope(Dispatchers.Default)
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bot.startGettingFlowsUpdatesByLongPolling(scope = scope) {
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val flow = merge (
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filterContentMessages<MediaContent>(),
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mediaGroupMessages().flatMap()
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)
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flow.onEach {
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safely({ it.printStackTrace() }) {
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val pathedFile = bot.getFileAdditionalInfo(it.content.media)
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File(directoryOrFile, pathedFile.filePath.filenameFromUrl).apply {
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createNewFile()
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writeBytes(bot.downloadFile(pathedFile))
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}
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}
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}.launchIn(scope)
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}
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scope.coroutineContext[Job]!!.join()
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}
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