mirror of
https://github.com/InsanusMokrassar/TelegramBotAPI.git
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127 lines
4.5 KiB
Kotlin
127 lines
4.5 KiB
Kotlin
package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
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import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
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import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.handlers_registrar.doWithRegistration
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import dev.inmo.tgbotapi.extensions.utils.*
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import dev.inmo.tgbotapi.requests.abstracts.Request
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import dev.inmo.tgbotapi.types.BotCommand
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import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage
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import dev.inmo.tgbotapi.types.message.content.TextContent
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import dev.inmo.tgbotapi.types.message.textsources.BotCommandTextSource
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import dev.inmo.tgbotapi.types.message.textsources.TextSource
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import kotlinx.coroutines.flow.*
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/**
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* Will filter all the messages and include required commands with [commandRegex].
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*
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* * In case you wish to get only the commands at the start of message, use [requireCommandAtStart]
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* * In case you wish to exclude messages with more than one command, you may use [requireSingleCommand]
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* * In case you wish to exclude messages with commands params, you may use [requireCommandsWithoutParams]
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*/
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suspend fun BehaviourContext.waitCommandMessage(
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commandRegex: Regex,
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initRequest: Request<*>? = null,
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errorFactory: NullableRequestBuilder<*> = { null }
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) = channelFlow {
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triggersHolder.handleableCommandsHolder.doWithRegistration(
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commandRegex
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) {
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waitTextMessage(initRequest, errorFactory).filter {
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it.content.textSources.any { it.botCommandTextSourceOrNull() ?.command ?.matches(commandRegex) == true }
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}.collect {
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send(it)
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}
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}
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}
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suspend fun BehaviourContext.waitCommandMessage(
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command: String,
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initRequest: Request<*>? = null,
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errorFactory: NullableRequestBuilder<*> = { null }
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) = waitCommandMessage(Regex(command), initRequest, errorFactory)
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suspend fun BehaviourContext.waitCommandMessage(
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botCommand: BotCommand,
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initRequest: Request<*>? = null,
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errorFactory: NullableRequestBuilder<*> = { null }
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) = waitCommandMessage(botCommand.command, initRequest, errorFactory)
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fun Flow<CommonMessage<TextContent>>.requireCommandAtStart() = filter {
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it.content.textSources.firstOrNull() is BotCommandTextSource
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}
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/**
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* Subsequent [Flow] will retrieve only messages with ONE [BotCommandTextSource]. It does not guarantee that this
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* [BotCommandTextSource] will be at the start of the message
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*
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* @see requireCommandAtStart
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*/
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fun Flow<CommonMessage<TextContent>>.requireSingleCommand() = filter {
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var count = 0
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it.content.textSources.forEach {
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if (it is BotCommandTextSource) {
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count++
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if (count > 1) {
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return@filter false
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}
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}
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}
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count == 1
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}
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/**
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* Subsequent [Flow] will retrieve only messages without [TextContent.textSources] which are not [BotCommandTextSource]
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*/
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fun Flow<CommonMessage<TextContent>>.requireCommandsWithoutParams() = filter {
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it.content.textSources.none { it !is BotCommandTextSource }
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}
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/**
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* Map the commands with their arguments and source messages
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*/
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fun Flow<CommonMessage<TextContent>>.commandsWithParams(): Flow<Pair<CommonMessage<TextContent>, List<Pair<BotCommandTextSource, Array<TextSource>>>>> = mapNotNull {
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var currentCommandTextSource: BotCommandTextSource? = null
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val currentArgs = mutableListOf<TextSource>()
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val result = mutableListOf<Pair<BotCommandTextSource, Array<TextSource>>>()
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fun addCurrentCommandToResult() {
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currentCommandTextSource ?.let {
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result.add(it to currentArgs.toTypedArray())
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currentArgs.clear()
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}
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}
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it.content.textSources.forEach {
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it.ifBotCommandTextSource {
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addCurrentCommandToResult()
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currentCommandTextSource = it
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return@forEach
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}
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currentArgs.add(it)
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}
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addCurrentCommandToResult()
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result.toList().takeIf { it.isNotEmpty() } ?.let { result ->
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it to result
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}
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}
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/**
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* Flat [commandsWithParams]. Each [Pair] of [BotCommandTextSource] and its [Array] of arg text sources will
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* be associated with its source message
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*/
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fun Flow<CommonMessage<TextContent>>.flattenCommandsWithParams() = commandsWithParams().flatMapConcat { (message, commandsWithParams) ->
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commandsWithParams.map {
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message to it
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}.asFlow()
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}
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/**
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* Use [flattenCommandsWithParams] and filter out the commands which do not [matches] to [commandRegex]
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*/
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fun Flow<CommonMessage<TextContent>>.commandParams(commandRegex: Regex) = flattenCommandsWithParams().filter { (_, commandWithParams) ->
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commandWithParams.first.command.matches(commandRegex)
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}
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