add files loader bot

FilesLoaderBot/README.md

@@ -0,0 +1,9 @@
+# FilesLoaderBot
+
+This bot will download incoming files
+
+## Launch
+
+```bash
+../gradlew run --args="BOT_TOKEN[ optional/folder/path]"
+```

FilesLoaderBot/build.gradle

@@ -0,0 +1,24 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: 'kotlin'
+apply plugin: 'application'
+
+mainClassName="FilesLoaderBotKt"
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+
+    implementation "com.github.insanusmokrassar:TelegramBotAPI:$telegram_bot_api_version"
+}

FilesLoaderBot/src/main/kotlin/FilesLoaderBot.kt

@@ -0,0 +1,42 @@
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.downloadFile
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.get.getFileAdditionalInfo
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.telegramBot
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.flatMap
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.safely
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.shortcuts.*
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.updates.retrieving.startGettingFlowsUpdatesByLongPolling
+import com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts.MediaContent
+import com.github.insanusmokrassar.TelegramBotAPI.utils.filenameFromUrl
+import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.*
+import java.io.File
+
+/**
+ * This bot will download incoming files
+ */
+suspend fun main(args: Array<String>) {
+    val botToken = args.first()
+    val directoryOrFile = args.getOrNull(1) ?.let { File(it) } ?: File("")
+    directoryOrFile.mkdirs()
+
+    val bot = telegramBot(botToken)
+    val scope = CoroutineScope(Dispatchers.Default)
+
+    bot.startGettingFlowsUpdatesByLongPolling(scope = scope) {
+        val flow = merge (
+            filterContentMessages<MediaContent>(),
+            mediaGroupMessages().flatMap()
+        )
+        flow.onEach {
+            safely({ it.printStackTrace() }) {
+                val pathedFile = bot.getFileAdditionalInfo(it.content.media)
+                File(directoryOrFile, pathedFile.filePath.filenameFromUrl).apply {
+                    createNewFile()
+                    writeBytes(bot.downloadFile(pathedFile))
+                }
+            }
+        }.launchIn(scope)
+    }
+
+    scope.coroutineContext[Job]!!.join()
+}

ResenderBot/ResenderBotLib/src/commonMain/kotlin/ResenderBot.kt

@@ -30,11 +30,7 @@ suspend fun activateResenderBot(
             }.launchIn(scope)
             filterMediaGroupMessages<MediaGroupContent>(scope).onEach {
                 safely {
-                    bot.sendMediaGroup(
-                        it.first().chat,
-                        it.map { it.content.toMediaGroupMemberInputMedia() },
-                        replyToMessageId = it.first().messageId
-                    ).also {
+                    bot.executeUnsafe(it.createResend(it.chat ?: return@safely, replyTo = it.first().messageId)).also {
                         print(it)
                     }
                 }

gradle.properties

@@ -2,4 +2,4 @@ kotlin.code.style=official
 org.gradle.parallel=true
 
 kotlin_version=1.4.0
-telegram_bot_api_version=0.28.0-rc
+telegram_bot_api_version=0.28.0

settings.gradle

@@ -2,5 +2,6 @@ include ":ForwarderBot"
 include ":RandomFileSenderBot"
 include ":HelloBot"
 include ":GetMeBot"
+include ":FilesLoaderBot"
 include ":ResenderBot:ResenderBotLib"
 include ":ResenderBot:jvm_launcher"