Add the /join-dm command

Author: TechnoVisionDev

src/main/java/technobot/commands/CommandRegistry.java

@@ -13,6 +13,7 @@
 import technobot.commands.greetings.FarewellCommand;
 import technobot.commands.greetings.GreetCommand;
 import technobot.commands.greetings.GreetingsCommand;
+import technobot.commands.greetings.JoinDMCommand;
 import technobot.commands.levels.*;
 import technobot.commands.music.*;
 import technobot.commands.staff.*;
@@ -49,6 +50,7 @@ public CommandRegistry(TechnoBot bot) {
                 //Greeting commands
                 new GreetCommand(bot),
                 new FarewellCommand(bot),
+                new JoinDMCommand(bot),
                 new GreetingsCommand(bot),
 
                 //Fun commands

src/main/java/technobot/commands/greetings/FarewellCommand.java

@@ -13,7 +13,7 @@
 import technobot.util.embeds.EmbedUtils;
 
 /**
- * Command that configures auto greetings.
+ * Command that configures auto farewells.
  *
  * @author TechnoVision
  */

src/main/java/technobot/commands/greetings/JoinDMCommand.java

@@ -0,0 +1,50 @@
+package technobot.commands.greetings;
+
+import net.dv8tion.jda.api.Permission;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionMapping;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
+import net.dv8tion.jda.api.interactions.commands.build.OptionData;
+import technobot.TechnoBot;
+import technobot.commands.Category;
+import technobot.commands.Command;
+import technobot.data.GuildData;
+import technobot.handlers.GreetingHandler;
+import technobot.util.embeds.EmbedUtils;
+
+/**
+ * Command that configures auto join DMs.
+ *
+ * @author TechnoVision
+ */
+public class JoinDMCommand extends Command {
+
+    public JoinDMCommand(TechnoBot bot) {
+        super(bot);
+        this.name = "join-dm";
+        this.description = "Sets a message to be private messaged when a member joins.";
+        this.category = Category.GREETINGS;
+        this.args.add(new OptionData(OptionType.STRING, "message", "The message to send as a DM"));
+        this.permission = Permission.MANAGE_SERVER;
+    }
+
+    @Override
+    public void execute(SlashCommandInteractionEvent event) {
+        event.deferReply().queue();
+        GreetingHandler greetingHandler = GuildData.get(event.getGuild()).greetingHandler;
+        OptionMapping farewellOption = event.getOption("message");
+
+        // Remove farewell message
+        if (farewellOption == null) {
+            greetingHandler.removeJoinDM();
+            String text = EmbedUtils.BLUE_X + " Join DM message successfully removed!";
+            event.getHook().sendMessageEmbeds(EmbedUtils.createDefault(text)).queue();
+            return;
+        }
+
+        // Set greeting message
+        greetingHandler.setJoinDM(farewellOption.getAsString());
+        String text = EmbedUtils.BLUE_TICK + " Join DM message successfully updated!";
+        event.getHook().sendMessageEmbeds(EmbedUtils.createDefault(text)).queue();
+    }
+}