Update SeptemberDateCommand & add AvatarCommand

SeptemberDateCommand's date should now be accurate.
AvatarCommand fetches the specified user's avatar.

src/main/java/moe/oko/Kiafumi/Kiafumi.java

@@ -38,7 +38,7 @@ import java.util.List;
  */
 public class Kiafumi {
 
-    private File CONFIG_FILE = new File("config.yml");
+    private final File CONFIG_FILE = new File("config.yml");
 
     public YamlConfiguration yamlConfiguration = new YamlConfiguration();
 
@@ -82,6 +82,7 @@ public class Kiafumi {
         activeCommands.add(new InviteCommand());
         activeCommands.add(new MusicCommand());
         activeCommands.add(new FightCommand());
+        activeCommands.add(new AvatarCommand());
         activeCommands.add(new SeptemberDateCommand());
         activeCommands.add(new DreidelCommand());
 

src/main/java/moe/oko/Kiafumi/command/AvatarCommand.java

@@ -0,0 +1,50 @@
+package moe.oko.Kiafumi.command;
+
+import moe.oko.Kiafumi.Kiafumi;
+import moe.oko.Kiafumi.util.CommandInfo;
+import moe.oko.Kiafumi.util.CommandType;
+import moe.oko.Kiafumi.util.EmbedUI;
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
+
+import java.time.ZonedDateTime;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+public class AvatarCommand extends CommandClass {
+    @Override
+    public boolean isEnabled() { return true; }
+
+    @Override
+    public String getName() { return "Avatar"; }
+
+    @Override
+    public void newCommand(String name, SlashCommandInteractionEvent e) {
+        if ("avatar".equals(name)) {
+            e.deferReply().queue();
+
+            final var user = e.getOptions().size() == 0
+                    ? e.getUser()
+                    : e.getOption("user").getAsUser();
+
+            EmbedBuilder eb = new EmbedBuilder()
+                    .setColor(EmbedUI.INFO)
+                    .setAuthor(user.getName())
+                    .setImage(user.getEffectiveAvatarUrl() + "?size=2048")
+                    .setFooter(EmbedUI.BRAND)
+                    .setTimestamp(ZonedDateTime.now());
+            e.getHook().sendMessageEmbeds(eb.build()).queue();
+        }
+    }
+
+    @Override
+    public List<CommandInfo> getSlashCommandInfo() {
+        List<CommandInfo> cil = new ArrayList<>();
+        CommandInfo ci = new CommandInfo("avatar", "Returns the avatar of the specified user.", CommandType.COMMAND);
+        ci.addOption("user", "User to fetch.", OptionType.USER, false);
+        cil.add(ci);
+        return cil;
+    }
+}

src/main/java/moe/oko/Kiafumi/command/SeptemberDateCommand.java

@@ -21,12 +21,13 @@ public class SeptemberDateCommand extends CommandClass {
     @Override
     public String getName() { return "SeptemberDate"; }
 
+    final LocalDate september = LocalDate.of(1993, Month.AUGUST, 31);
+
     @Override
     public void newCommand(String name, SlashCommandInteractionEvent e) {
         if ("sdate".equals(name)) {
             e.deferReply().queue();
-            // Setup vars
-            final var september = LocalDate.of(1993, Month.SEPTEMBER, 30);
+
             var now = LocalDate.now();
 
             // Create the Eternal September date