From ceafc5039f8b07639cb8685cfd9963aa876976b3 Mon Sep 17 00:00:00 2001
From: Logan Fick <logaldeveloper@protonmail.com>
Date: Sun, 10 Mar 2019 19:04:50 -0400
Subject: [PATCH] Added restriction of rank sync channel.

---
 .../java/com/redstoner/discordbot/Main.java   |  4 ++
 .../events/GuildMessageReceived.java          | 40 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 src/main/java/com/redstoner/discordbot/events/GuildMessageReceived.java

diff --git a/src/main/java/com/redstoner/discordbot/Main.java b/src/main/java/com/redstoner/discordbot/Main.java
index 3ba20da..15f9535 100644
--- a/src/main/java/com/redstoner/discordbot/Main.java
+++ b/src/main/java/com/redstoner/discordbot/Main.java
@@ -3,6 +3,7 @@ package com.redstoner.discordbot;
 import com.redstoner.discordbot.commands.LinkAccount;
 import com.redstoner.discordbot.commands.LinkStatus;
 import com.redstoner.discordbot.commands.Nickname;
+import com.redstoner.discordbot.events.GuildMessageReceived;
 import com.redstoner.discordbot.tasks.ForumNotificationTask;
 import com.redstoner.discordbot.tasks.GuildRankSyncTask;
 import com.redstoner.discordbot.utils.RankUtil;
@@ -50,6 +51,9 @@ public final class Main {
 		CommandManager.registerCommand("linkstatus", new LinkStatus(), false);
 		CommandManager.registerCommandAlias("ls", "linkstatus");
 
+		logger.info("Registering events...");
+		LogalBot.getJDA().addEventListener(new GuildMessageReceived());
+
 		logger.info("Starting tasks...");
 		Scheduler.scheduleAtFixedRate(new ForumNotificationTask(), 1, 1, TimeUnit.MINUTES);
 		Scheduler.scheduleAtFixedRate(new GuildRankSyncTask(), 1, 5, TimeUnit.MINUTES);
diff --git a/src/main/java/com/redstoner/discordbot/events/GuildMessageReceived.java b/src/main/java/com/redstoner/discordbot/events/GuildMessageReceived.java
new file mode 100644
index 0000000..6021892
--- /dev/null
+++ b/src/main/java/com/redstoner/discordbot/events/GuildMessageReceived.java
@@ -0,0 +1,40 @@
+package com.redstoner.discordbot.events;
+
+import dev.logal.logalbot.commands.CommandManager;
+import dev.logal.logalbot.commands.CommandResponse;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Guild;
+import net.dv8tion.jda.core.entities.Member;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.events.message.guild.GuildMessageReceivedEvent;
+import net.dv8tion.jda.core.hooks.ListenerAdapter;
+
+import java.util.concurrent.TimeUnit;
+
+public final class GuildMessageReceived extends ListenerAdapter {
+	private final String rankSyncChannel = "470263993458491392";
+
+	@Override
+	public void onGuildMessageReceived(GuildMessageReceivedEvent event) {
+		Guild       guild      = event.getGuild();
+		TextChannel channel    = event.getChannel();
+		Message     message    = event.getMessage();
+		String      rawMessage = message.getContentRaw();
+		Member      member     = event.getMember();
+		if (channel.getId().equals(rankSyncChannel)) {
+			if (guild.getSelfMember().hasPermission(channel, Permission.MESSAGE_MANAGE)) {
+				message.delete().reason("Redstoner Channel Restriction").queue();
+			}
+
+			if (rawMessage.length() == 8 && rawMessage.matches("[A-Za-z0-9]+")) {
+				CommandManager.executeCommand(new String[] { "linkaccount", rawMessage }, member, channel);
+			} else {
+				new CommandResponse(
+						"no_entry_sign",
+						"Sorry " + member.getAsMention() + ", but this channel can only be used for rank synchronization tokens. If you need help, contact staff in the `staff-help` channel."
+				).setDeletionDelay(30, TimeUnit.SECONDS).sendResponse(channel);
+			}
+		}
+	}
+}
\ No newline at end of file