Merge pull request #599 from beanbeanjuice/595-random-variable-chooser

Added the Random Variable Chooser

README.md

@@ -154,6 +154,7 @@ As you can see, this was shown using the command `/help order`. It shows each pa
 ##### 3. **FUN**
 * `avatar` - Get yours or someone else's avatar image!
 * `banner` - Get yours or someone else's profile banner!
+* `choose-random` - Choose a random variable.
 * `birthday` - Add, change, or remove your birthday! Even get someone else's birthday!
 * `coffee-meme` - Get a coffee meme!
 * `counting-statistics` - Get counting information for your server!

src/main/java/com/beanbeanjuice/command/fun/ChooseRandom.java

@@ -0,0 +1,79 @@
+package com.beanbeanjuice.command.fun;
+
+import com.beanbeanjuice.utility.command.CommandCategory;
+import com.beanbeanjuice.utility.command.ICommand;
+import com.beanbeanjuice.utility.helper.Helper;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
+import net.dv8tion.jda.api.interactions.commands.build.OptionData;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+
+/**
+ * An {@link ICommand} used to choose a random variable.
+ *
+ * @author beanbeanjuice
+ */
+public class ChooseRandom implements ICommand {
+
+    @Override
+    public void handle(@NotNull SlashCommandInteractionEvent event) {
+        String[] variables = Helper.removeCommaSpace(event.getOption("choices").getAsString());  // Will not be null.
+
+        int randomNum = Helper.getRandomNumber(0, variables.length);
+        String chosenVariable = variables[randomNum];
+
+        StringBuilder messageBuilder = new StringBuilder();
+        messageBuilder.append("Options: ```");
+
+        for (int i = 0; i < variables.length; i++) {
+            messageBuilder.append(variables[i]);
+
+            if (i != variables.length - 1) messageBuilder.append(", ");
+        }
+
+        messageBuilder.append("```\n\n🎲 (").append(randomNum + 1).append("/").append(variables.length).append("): ")
+                .append("**").append(chosenVariable).append("**");
+
+        event.getHook().sendMessageEmbeds(
+                Helper.successEmbed(
+                        "Random Variable Chooser",
+                        messageBuilder.toString()
+                )
+        ).queue();
+    }
+
+    @NotNull
+    @Override
+    public String getDescription() {
+        return "Choose a random variable!";
+    }
+
+    @NotNull
+    @Override
+    public String exampleUsage() {
+        return "`/choose-random bacon,lettuce,pineapple`";
+    }
+
+    @NotNull
+    @Override
+    public ArrayList<OptionData> getOptions() {
+        ArrayList<OptionData> options = new ArrayList<>();
+        options.add(new OptionData(OptionType.STRING, "choices", "The random variables to choose from, separated by commas.", true));
+        return options;
+    }
+
+    @NotNull
+    @Override
+    public CommandCategory getCategoryType() {
+        return CommandCategory.FUN;
+    }
+
+    @NotNull
+    @Override
+    public Boolean allowDM() {
+        return true;
+    }
+
+}

src/main/java/com/beanbeanjuice/utility/command/CommandHandler.java

@@ -67,6 +67,7 @@ public CommandHandler(@NotNull JDA jda) {
         commands.put("birthday", new BirthdayCommand());
         commands.put("avatar", new AvatarCommand());
         commands.put("banner", new BannerCommand());
+        commands.put("choose-random", new ChooseRandom());
         commands.put("coffee-meme", new CoffeeMemeCommand());
         commands.put("counting-statistics", new CountingStatisticsCommand());
         commands.put("joke", new JokeCommand());

src/main/java/com/beanbeanjuice/utility/helper/Helper.java

@@ -452,4 +452,14 @@ public static JsonNode parseJson(String filePath) throws IOException {
         return new ObjectMapper().readTree(file);
     }
 
+    /**
+     * Return a {@link String[]} from a given {@link String input}.
+     * The input wil be a comma separated {@link String}.
+     * @param input The comma-separated {@link String}.
+     * @return The {@link String[]} of values, now separated.
+     */
+    public static String[] removeCommaSpace(String input) {
+        return input.split(",\\s*");
+    }
+
 }