add: /chat_id command

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/BotCommands.kt

@@ -5,10 +5,13 @@ import org.bukkit.configuration.file.YamlConfiguration
 class Commands(yamlCfg: YamlConfiguration) {
     val time: String
     val online: String
+    val chatID: String
+
     init {
         yamlCfg.run {
             time = getString("commands.time", "time")!!
             online = getString("commands.online", "online")!!
+            chatID = getString("commands.chat_id", "chat_id")!!
         }
     }
 }

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/Constants.kt

@@ -22,4 +22,9 @@ object Constants {
     object COMMANDS {
         const val PLUGIN_RELOAD = "tgbridge_reload"
     }
+    object COMMAND_DESC {
+        const val timeDesc = "Get time on server"
+        const val onlineDesc = "Get players online"
+        const val chatIDDesc = "Get current chat id"
+    }
 }

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/TgBot.kt

@@ -5,6 +5,7 @@ import com.github.kotlintelegrambot.bot
 import com.github.kotlintelegrambot.dispatch
 import com.github.kotlintelegrambot.dispatcher.command
 import com.github.kotlintelegrambot.dispatcher.text
+import com.github.kotlintelegrambot.entities.BotCommand
 import com.github.kotlintelegrambot.entities.ParseMode
 import com.github.kotlintelegrambot.entities.Update
 import com.github.kotlintelegrambot.entities.User
@@ -30,9 +31,11 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
             dispatch {
                 command(commands.time.replace(slashRegex, ""), ::time)
                 command(commands.online.replace(slashRegex, ""), ::online)
+                command(commands.chatID.replace(slashRegex, ""), ::chatID)
                 text(null, ::onText)
             }
         }
+        bot.setMyCommands(getBotCommands())
         skipUpdates()
         plugin.logger.info("Server address: ${InetAddress.getLocalHost().hostAddress}.")
         config.webhookConfig?.let { _ ->
@@ -48,6 +51,10 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
 
     private fun time(bot: Bot, update: Update) {
         val msg = update.message!!
+        if (!config.allowedChats.contains(msg.chat.id)) {
+            return
+        }
+
         if (plugin.server.worlds.isEmpty()) {
             bot.sendMessage(
                 msg.chat.id,
@@ -74,6 +81,11 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
     }
 
     private fun online(bot: Bot, update: Update) {
+        val msg = update.message!!
+        if (!config.allowedChats.contains(msg.chat.id)) {
+            return
+        }
+
         val playerList = plugin.server.onlinePlayers
         val playerStr = plugin.server
             .onlinePlayers
@@ -82,7 +94,6 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
         val text =
             if (playerList.isNotEmpty()) "${config.onlineString}:\n$playerStr"
             else config.nobodyOnlineString
-        val msg = update.message!!
         bot.sendMessage(
             msg.chat.id, text,
             replyToMessageId = msg.messageId,
@@ -90,6 +101,23 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
         )
     }
 
+    private fun chatID(bot: Bot, update: Update) {
+        val msg = update.message!!
+        val chatID = msg.chat.id
+        val text = """
+            Chat ID:
+            <code>$chatID</code>
+            paste this id to <code>chats:</code> section in you config.yml file so it will look like this:
+        """.trimIndent() +
+                "\n\n<code>chats:\n  # other ids...\n  - ${chatID}</code>"
+        bot.sendMessage(
+            chatID,
+            text,
+            parseMode = ParseMode.HTML,
+            replyToMessageId = msg.messageId
+        )
+    }
+
     fun broadcastToTG(text: String) {
         config.allowedChats.forEach { chatID ->
             bot.sendMessage(chatID, text, parseMode = ParseMode.HTML)
@@ -131,6 +159,12 @@ class TgBot(private val plugin: Plugin, private val config: Configuration) {
         }
     }
 
+    private fun getBotCommands(): List<BotCommand> {
+        val cmdList = config.commands.run { listOf(time, online, chatID) }
+        val descList = C.COMMAND_DESC.run { listOf(timeDesc, onlineDesc, chatIDDesc) }
+        return cmdList.zip(descList).map { BotCommand(it.first, it.second) }
+    }
+
     companion object {
         fun escapeHTML(s: String): String =
             s.replace("&", "&amp;").replace(">", "&gt;").replace("<", "&lt;")

src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
 name: SpigotTGBridge
-version: 0.0.10
+version: 0.0.11
 api-version: '1.15'
 main: org.kraftwerk28.spigot_tg_bridge.Plugin
 description: Telegram <-> Minecraft communication plugin for Spigot.