add HelloBot

HelloBot/README.md

@@ -0,0 +1,9 @@
+# ForwarderBot
+
+The main purpose of this bot is just to answer "Oh, hi, " and add user mention here
+
+## Launch
+
+```bash
+../gradlew run --args="BOT_TOKEN"
+```

HelloBot/build.gradle

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

HelloBot/src/main/kotlin/HelloBot.kt

@@ -0,0 +1,47 @@
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.chat.get.getChat
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.send.sendTextMessage
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.api.telegramBot
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.formatting.linkMarkdownV2
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.formatting.textMentionMarkdownV2
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.safely
+import com.github.insanusmokrassar.TelegramBotAPI.extensions.utils.updates.retrieving.startGettingFlowsUpdatesByLongPolling
+import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.MarkdownV2
+import com.github.insanusmokrassar.TelegramBotAPI.types.User
+import com.github.insanusmokrassar.TelegramBotAPI.types.chat.abstracts.*
+import com.github.insanusmokrassar.TelegramBotAPI.utils.extensions.escapeMarkdownV2Common
+import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+
+suspend fun main(vararg args: String) {
+    val botToken = args.first()
+
+    val bot = telegramBot(botToken)
+
+    val scope = CoroutineScope(Dispatchers.Default)
+
+    bot.startGettingFlowsUpdatesByLongPolling(scope = scope) {
+        messageFlow.onEach {
+            safely {
+                val chat = it.data.chat
+                val message = "Oh, hi, " + when (chat) {
+                    is PrivateChat -> "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id)
+                    is User -> "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id)
+                    is SupergroupChat -> (chat.username ?.username ?: bot.getChat(chat).inviteLink) ?.let {
+                        chat.title.linkMarkdownV2(it)
+                    } ?: chat.title
+                    is GroupChat -> bot.getChat(chat).inviteLink ?.let {
+                        chat.title.linkMarkdownV2(it)
+                    } ?: chat.title
+                    is ChannelChat -> (chat.username ?.username ?: bot.getChat(chat).inviteLink) ?.let {
+                        chat.title.linkMarkdownV2(it)
+                    } ?: chat.title
+                    else -> "Unknown :(".escapeMarkdownV2Common()
+                }
+                bot.sendTextMessage(chat, message, MarkdownV2)
+            }
+        }.launchIn(scope)
+    }
+
+    scope.coroutineContext[Job]!!.join()
+}

settings.gradle

@@ -1,2 +1,3 @@
 include ":ForwarderBot"
 include ":RandomFileSenderBot"
+include ":HelloBot"