mirror of
https://github.com/InsanusMokrassar/TelegramBotAPI-examples.git
synced 2024-11-16 13:23:53 +00:00
43 lines
2.3 KiB
Kotlin
43 lines
2.3 KiB
Kotlin
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.send.sendTextMessage
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.telegramBot
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.formatting.codeMarkdownV2
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.formatting.regularMarkdownV2
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.safely
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.updates.asContentMessagesFlow
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import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.updates.retrieving.startGettingFlowsUpdatesByLongPolling
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import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.MarkdownV2
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import com.github.insanusmokrassar.TelegramBotAPI.types.message.*
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import com.github.insanusmokrassar.TelegramBotAPI.types.message.abstracts.PossiblyForwardedMessage
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import kotlinx.coroutines.*
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import kotlinx.coroutines.flow.*
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/**
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* This bot will always return message about forwarder. In cases when sent message was not a forward message it will
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* send suitable message
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*/
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suspend fun main(vararg args: String) {
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val botToken = args.first()
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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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messageFlow.asContentMessagesFlow().mapNotNull { it as? PossiblyForwardedMessage }.onEach { message ->
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safely {
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val toAnswer = when (val forwardInfo = message.forwardInfo) {
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null -> "There is no forward info"
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is AnonymousForwardInfo -> "Anonymous user which signed as \"${forwardInfo.senderName.codeMarkdownV2()}\""
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is UserForwardInfo -> forwardInfo.from.let { user ->
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"User ${user.id.chatId.toString().codeMarkdownV2()} " + "(${user.firstName} ${user.lastName}: ${user.username ?.username ?: "Without username"})".regularMarkdownV2()
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}
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is ForwardFromChannelInfo -> "Channel (".regularMarkdownV2() + (forwardInfo.channelChat).title.codeMarkdownV2() + ")".regularMarkdownV2()
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}
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bot.sendTextMessage(message.chat, toAnswer, MarkdownV2)
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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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