Fix bug with exceeding message length limit because of wrapper

Author: vchernogorov

Procfile

@@ -1 +1 @@
-web: build/install/discord-stats-bot/bin/discord-stats-bot --printErrorsToDiscord --fetchMessages
+web: build/install/discord-stats-bot/bin/discord-stats-bot --printErrorsToDiscord --fetchMessages --chunkSize=10000

src/main/kotlin/com/vchernogorov/discordbot/OwnerCommandListener.kt

@@ -60,13 +60,7 @@ class OwnerCommandListener(val printErrorsToDiscord: Boolean,
             val writer = OutputStreamWriter(baos)
             se.printUserMessage(writer, null, 80)
             writer.flush()
-            val splittedHelpMessage = String(baos.toByteArray(), StandardCharsets.UTF_8).split("\n")
-            val helpMessage = splittedHelpMessage.reduceUntil({ acc, s -> acc.length + s.length > 2000 }) { acc, s ->
-                acc + "\n" + s
-            }
-            helpMessage.forEach {
-                event.send("```$it```")
-            }
+            event.send(String(baos.toByteArray(), StandardCharsets.UTF_8), true)
         } catch (e: Exception) {
             if (printErrorsToDiscord) {
                 if (PermissionUtil.checkPermission(event.textChannel, event.guild.selfMember, Permission.MESSAGE_WRITE)) {

src/main/kotlin/com/vchernogorov/discordbot/Utility.kt

@@ -13,11 +13,22 @@ private val logger = KotlinLogging.logger("Utility")
 inline fun <reified T> Gson.fromJson(json: String) =
         this.fromJson<T>(json, object : TypeToken<T>() {}.type)
 
-fun MessageReceivedEvent.send(message: String) =
-        textChannel.sendMessage(net.dv8tion.jda.core.MessageBuilder().append(message).build()).complete()
+fun MessageReceivedEvent.send(message: String, useWrap: Boolean = false) {
+    send(MessageBuilder().append(message), useWrap)
+}
+
+fun MessageReceivedEvent.send(messageBuilder: MessageBuilder, useWrap: Boolean = false) {
+    val splittedMessage = messageBuilder.stringBuilder.split("\n")
+    val maxLength = if (useWrap) 1994 else 2000
+    val boundedMessages = splittedMessage.reduceUntil({ acc, s -> acc.length + s.length > maxLength }) { acc, s ->
+        acc + "\n" + s
+    }
+    boundedMessages.forEach {
+        if (useWrap) textChannel.sendMessage(MessageBuilder().append("```$it```").build()).complete()
+        else textChannel.sendMessage(MessageBuilder().append(it).build()).complete()
+    }
+}
 
-fun MessageReceivedEvent.send(messageBuilder: MessageBuilder) =
-        textChannel.sendMessage(messageBuilder.build()).complete()
 
 fun MessageChannel.getLatestMessageIdSafe(): String? {
     return try {