From 0ebfb3c44a4e20cf6591e5319cddef290093544a Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 26 Aug 2022 16:35:36 +0600
Subject: [PATCH] small fixes

---
 HelloBot/src/main/kotlin/HelloBot.kt | 47 +++++++++++++++++++---------
 1 file changed, 32 insertions(+), 15 deletions(-)

diff --git a/HelloBot/src/main/kotlin/HelloBot.kt b/HelloBot/src/main/kotlin/HelloBot.kt
index 50515e1..f040c5f 100644
--- a/HelloBot/src/main/kotlin/HelloBot.kt
+++ b/HelloBot/src/main/kotlin/HelloBot.kt
@@ -3,8 +3,11 @@ import dev.inmo.tgbotapi.extensions.api.chat.get.getChat
 import dev.inmo.tgbotapi.extensions.api.send.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.telegramBotWithBehaviourAndLongPolling
 import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.onContentMessage
+import dev.inmo.tgbotapi.extensions.utils.extensions.raw.sender_chat
 import dev.inmo.tgbotapi.extensions.utils.formatting.linkMarkdownV2
 import dev.inmo.tgbotapi.extensions.utils.formatting.textMentionMarkdownV2
+import dev.inmo.tgbotapi.extensions.utils.ifChannelChat
+import dev.inmo.tgbotapi.extensions.utils.ifFromChannelGroupContentMessage
 import dev.inmo.tgbotapi.types.chat.*
 import dev.inmo.tgbotapi.types.chat.GroupChat
 import dev.inmo.tgbotapi.types.chat.PrivateChat
@@ -24,21 +27,35 @@ suspend fun main(vararg args: String) {
     telegramBotWithBehaviourAndLongPolling(botToken, CoroutineScope(Dispatchers.IO)) {
         onContentMessage { message ->
             val chat = message.chat
-            if (chat is ChannelChat) {
-                val answer = "Hi everybody in this channel \"${chat.title}\""
-                send(chat, answer, MarkdownV2)
-                return@onContentMessage
-            }
-            val answerText = "Oh, hi, " + when (chat) {
-                is User -> "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id)
-                is PrivateChat -> "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id)
-                is SupergroupChat -> (chat.username ?.username ?: getChat(chat).inviteLink) ?.let {
-                    chat.title.linkMarkdownV2(it)
-                } ?: chat.title
-                is GroupChat -> bot.getChat(chat).inviteLink ?.let {
-                    chat.title.linkMarkdownV2(it)
-                } ?: chat.title
-                else -> "Unknown :(".escapeMarkdownV2Common()
+
+            val answerText = when (val chat = message.chat) {
+                is ChannelChat -> {
+                    val answer = "Hi everybody in this channel \"${chat.title}\""
+                    reply(message, answer, MarkdownV2)
+                    return@onContentMessage
+                }
+                is PrivateChat -> {
+                    reply(message, "Hi, " + "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id), MarkdownV2)
+                    return@onContentMessage
+                }
+                is GroupChat -> {
+                    message.ifFromChannelGroupContentMessage {
+                        val answer = "Hi, ${it.senderChat.title}"
+                        reply(message, answer, MarkdownV2)
+                        return@onContentMessage
+                    }
+                    "Oh, hi, " + when (chat) {
+                        is SupergroupChat -> (chat.username ?.username ?: getChat(chat).inviteLink) ?.let {
+                            chat.title.linkMarkdownV2(it)
+                        } ?: chat.title
+                        else -> bot.getChat(chat).inviteLink ?.let {
+                            chat.title.linkMarkdownV2(it)
+                        } ?: chat.title
+                    }
+                }
+                is UnknownExtendedChat,
+                is UnknownChatType -> "Unknown :(".escapeMarkdownV2Common()
+                else -> error("Something went wrong: unknown type of chat $chat")
             }
             reply(
                 message,