Implement basic say command

src/main/java/wtf/beatrice/hidekobot/commands/slash/BotInfoCommand.java

@@ -6,13 +6,10 @@ import net.dv8tion.jda.api.interactions.commands.Command;
 import org.jetbrains.annotations.NotNull;
 import wtf.beatrice.hidekobot.Configuration;
 import wtf.beatrice.hidekobot.HidekoBot;
-import wtf.beatrice.hidekobot.utils.TimeUtil;
+import wtf.beatrice.hidekobot.utils.FormatUtil;
 
 import java.lang.management.ManagementFactory;
 import java.text.DecimalFormat;
-import java.time.Duration;
-import java.time.LocalDateTime;
-import java.time.temporal.ChronoUnit;
 import java.util.List;
 
 public class BotInfoCommand
@@ -75,12 +72,12 @@ public class BotInfoCommand
             embedBuilder.addField("Author", authorMention, true);
 
             // uptime field
-            embedBuilder.addField("Uptime", TimeUtil.getNiceUptime(), true);
+            embedBuilder.addField("Uptime", FormatUtil.getNiceUptime(), true);
 
             // issue tracker field
             embedBuilder.addField("Support",
                     "[Issue tracker](https://git.beatrice.wtf/mind-overflow/HidekoBot/issues)",
-                    true);
+                    true); //todo: we should probably make this a final field in the config class
         }
 
         event.getHook().editOriginalEmbeds(embedBuilder.build()).queue();

src/main/java/wtf/beatrice/hidekobot/commands/slash/ClearChatCommand.java

@@ -38,8 +38,8 @@ public class ClearChatCommand
         /* get the amount from the command args.
          NULL should not be possible because we specified them as mandatory,
          but apparently the mobile app doesn't care and still sends the command if you omit the args. */
-            OptionMapping amountMapping = event.getOption("amount");
-            int toDeleteAmount = amountMapping == null ? 1 : amountMapping.getAsInt();
+            OptionMapping amountOption = event.getOption("amount");
+            int toDeleteAmount = amountOption == null ? 1 : amountOption.getAsInt();
 
             if(toDeleteAmount <= 0)
             {

src/main/java/wtf/beatrice/hidekobot/commands/slash/SayCommand.java

@@ -0,0 +1,36 @@
+package wtf.beatrice.hidekobot.commands.slash;
+
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionMapping;
+import org.jetbrains.annotations.NotNull;
+
+public class SayCommand
+{
+
+    public void runSlashCommand(@NotNull SlashCommandInteractionEvent event)
+    {
+        MessageChannel channel = event.getChannel();
+
+        // get the text to send
+        OptionMapping textOption = event.getOption("text");
+        String messageContent = "";
+        if(textOption != null)
+        {
+             messageContent = textOption.getAsString();
+        }
+
+        if(textOption == null || messageContent.isEmpty())
+        {
+            event.reply("Hey, you have to tell me what to say!")
+                    .setEphemeral(true)
+                    .queue();
+            return;
+        }
+
+        channel.sendMessage(messageContent).queue();
+        event.reply("Message sent!")
+                .setEphemeral(true)
+                .queue();
+    }
+}