update dependencies and RandomFileSenderBot example

RandomFileSenderBot/src/main/kotlin/RandomFileSenderBot.kt

@@ -1,12 +1,21 @@
 import dev.inmo.tgbotapi.bot.Ktor.telegramBot
+import dev.inmo.tgbotapi.bot.TelegramBot
 import dev.inmo.tgbotapi.extensions.api.bot.getMe
 import dev.inmo.tgbotapi.extensions.api.bot.setMyCommands
 import dev.inmo.tgbotapi.extensions.api.send.media.sendDocument
+import dev.inmo.tgbotapi.extensions.api.send.media.sendDocumentsGroup
 import dev.inmo.tgbotapi.extensions.api.send.reply
+import dev.inmo.tgbotapi.extensions.api.send.withUploadDocumentAction
 import dev.inmo.tgbotapi.extensions.behaviour_builder.buildBehaviour
 import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.onCommand
+import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.onCommandWithArgs
+import dev.inmo.tgbotapi.requests.abstracts.asMultipartFile
 import dev.inmo.tgbotapi.requests.abstracts.toInputFile
 import dev.inmo.tgbotapi.types.BotCommand
+import dev.inmo.tgbotapi.types.InputMedia.DocumentMediaGroupMemberInputMedia
+import dev.inmo.tgbotapi.types.InputMedia.InputMediaDocument
+import dev.inmo.tgbotapi.types.chat.abstracts.Chat
+import dev.inmo.tgbotapi.types.mediaCountInMediaGroup
 import kotlinx.coroutines.*
 import java.io.File
 
@@ -27,21 +36,55 @@ suspend fun main(args: Array<String>) {
         }
     }
 
-    val bot = telegramBot(botToken)
-    val scope = CoroutineScope(Dispatchers.Default)
-
-    bot.buildBehaviour(scope) {
-        onCommand(command.toRegex()) { message ->
-            pickFile() ?.let {
-                bot.sendDocument(
-                    message.chat.id,
-                    it.toInputFile()
+    suspend fun TelegramBot.sendFiles(chat: Chat, files: List<File>) {
+        when (files.size) {
+            1 -> sendDocument(
+                chat.id,
+                files.first().asMultipartFile()
+            )
+            else -> sendDocumentsGroup(
+                chat,
+                files.map { InputMediaDocument(it.asMultipartFile()) }
             )
-            } ?: bot.reply(message, "Nothing selected :(")
         }
+    }
+
+    val bot = telegramBot(botToken)
+
+    bot.buildBehaviour(defaultExceptionsHandler = { it.printStackTrace() }) {
+        onCommandWithArgs(command) { message, args ->
+
+            withUploadDocumentAction(message.chat) {
+                val count = args.firstOrNull() ?.toIntOrNull() ?: 1
+                var sent = false
+
+                var left = count
+                val chosen = mutableListOf<File>()
+
+                while (left > 0) {
+                    left--
+                    val picked = pickFile() ?: continue
+                    chosen.add(picked)
+                    if (chosen.size >= mediaCountInMediaGroup.last) {
+                        sendFiles(message.chat, chosen)
+                        chosen.clear()
+                        sent = true
+                    }
+                }
+
+                sendFiles(message.chat, chosen)
+                sent || chosen.isNotEmpty()
+
+                if (!sent) {
+                    bot.reply(message, "Nothing selected :(")
+                }
+            }
+        }
+
         setMyCommands(
             BotCommand(command, "Send some random file in picker directory")
         )
+
         println(getMe())
     }.join()
 }

gradle.properties

@@ -3,5 +3,5 @@ org.gradle.parallel=true
 
 
 kotlin_version=1.5.30
-telegram_bot_api_version=0.35.7
-micro_utils_version=0.5.24
+telegram_bot_api_version=0.35.8
+micro_utils_version=0.5.25