Add SlashCommandOptionType NUMBER.

javacord-api/src/main/java/org/javacord/api/interaction/SlashCommandInteractionOption.java

@@ -31,7 +31,16 @@ default boolean isSubcommandOrGroup() {
     }
 
     /**
-     * Gets the string representation of this option value.
+     * Gets the string representation value of this option.
+     *
+     * <p>This will always be present unless the option is a subcommand or subcommand group.
+     *
+     * @return The string representation value of this option.
+     */
+    Optional<String> getStringRepresentationValue();
+
+    /**
+     * Gets the string value of this option.
      *
      * <p>If this option does not have a string value or the option itself is a subcommand or group,
      * the optional will be empty.
@@ -115,6 +124,19 @@ default boolean isSubcommandOrGroup() {
      */
     Optional<Mentionable> getMentionableValue();
 
+    /**
+     * Gets the mentionable value of this option.
+     * Note: This method only respects cached users if the ID of the Mentionable belongs to a user. To fetch the user
+     *     from Discord if the user is not cached,
+     *     use {@link SlashCommandInteractionOption#requestMentionableValue()}.
+     *
+     * <p>If this option does not have a mentionable value or the option itself is a subcommand or group,
+     *     the optional will be empty.
+     *
+     * @return The mentionable value of this option.
+     */
+    Optional<Double> getNumberValue();
+
     /**
      * Gets the mentionable value of this option.
      *

javacord-api/src/main/java/org/javacord/api/interaction/SlashCommandInteractionOptionsProvider.java

@@ -36,6 +36,15 @@ default Optional<SlashCommandInteractionOption> getFirstOption() {
      *
      * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
      */
+    default Optional<String> getFirstOptionStringRepresentationValue() {
+        return getFirstOption().flatMap(SlashCommandInteractionOption::getStringRepresentationValue);
+    }
+
+    /**
+     * Gets the string value of the first option (if present).
+     *
+     * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
+     */
     default Optional<String> getFirstOptionStringValue() {
         return getFirstOption().flatMap(SlashCommandInteractionOption::getStringValue);
     }
@@ -117,6 +126,15 @@ default Optional<CompletableFuture<Mentionable>> requestFirstOptionMentionableVa
         return getFirstOption().flatMap(SlashCommandInteractionOption::requestFirstOptionMentionableValue);
     }
 
+    /**
+     * Gets the double value of the first option (if present).
+     *
+     * @return An Optional with the double value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<Double> getFirstOptionNumberValue() {
+        return getFirstOption().flatMap(SlashCommandInteractionOption::getNumberValue);
+    }
+
     /**
      * Get the second option, if present. Useful if you're working with a command that has two options.
      *
@@ -131,6 +149,15 @@ default Optional<SlashCommandInteractionOption> getSecondOption() {
      *
      * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
      */
+    default Optional<String> getSecondOptionStringRepresentationValue() {
+        return getSecondOption().flatMap(SlashCommandInteractionOption::getStringRepresentationValue);
+    }
+
+    /**
+     * Gets the string value of the second option (if present).
+     *
+     * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
+     */
     default Optional<String> getSecondOptionStringValue() {
         return getSecondOption().flatMap(SlashCommandInteractionOption::getStringValue);
     }
@@ -212,6 +239,15 @@ default Optional<CompletableFuture<Mentionable>> requestSecondOptionMentionableV
         return getSecondOption().flatMap(SlashCommandInteractionOption::requestSecondOptionMentionableValue);
     }
 
+    /**
+     * Gets the double value of the second option (if present).
+     *
+     * @return An Optional with the double value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<Double> getSecondOptionNumberValue() {
+        return getSecondOption().flatMap(SlashCommandInteractionOption::getNumberValue);
+    }
+
     /**
      * Get the third option, if present. Useful if you're working with a command that has up to 3 options.
      *
@@ -226,6 +262,15 @@ default Optional<SlashCommandInteractionOption> getThirdOption() {
      *
      * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
      */
+    default Optional<String> getThirdOptionStringRepresentationValue() {
+        return getThirdOption().flatMap(SlashCommandInteractionOption::getStringRepresentationValue);
+    }
+
+    /**
+     * Gets the string of the third option (if present).
+     *
+     * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
+     */
     default Optional<String> getThirdOptionStringValue() {
         return getThirdOption().flatMap(SlashCommandInteractionOption::getStringValue);
     }
@@ -307,6 +352,15 @@ default Optional<CompletableFuture<Mentionable>> requestThirdOptionMentionableVa
         return getThirdOption().flatMap(SlashCommandInteractionOption::requestThirdOptionMentionableValue);
     }
 
+    /**
+     * Gets the double value of the third option (if present).
+     *
+     * @return An Optional with the double value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<Double> getThirdOptionNumberValue() {
+        return getThirdOption().flatMap(SlashCommandInteractionOption::getNumberValue);
+    }
+
     /**
      * Get an option having the specified name.
      *
@@ -320,6 +374,16 @@ default Optional<SlashCommandInteractionOption> getOptionByName(String name) {
                 .findAny();
     }
 
+    /**
+     * Gets the string representation value of an option having the specified name.
+     *
+     * @param name The name of the option to search for.
+     * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<String> getOptionStringRepresentationValueByName(String name) {
+        return getOptionByName(name).flatMap(SlashCommandInteractionOption::getStringRepresentationValue);
+    }
+
     /**
      * Gets the string value of an option having the specified name.
      *
@@ -415,6 +479,16 @@ default Optional<CompletableFuture<Mentionable>> requestOptionMentionableValueBy
         return getOptionByName(name).flatMap(SlashCommandInteractionOption::requestFirstOptionMentionableValue);
     }
 
+    /**
+     * Gets the double value of an option having the specified name.
+     *
+     * @param name The name of the option to search for.
+     * @return An Optional with the double value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<Double> getOptionNumberValueByName(String name) {
+        return getOptionByName(name).flatMap(SlashCommandInteractionOption::getNumberValue);
+    }
+
     /**
      * Gets the option at the specified index, if present.
      *
@@ -428,6 +502,16 @@ default Optional<SlashCommandInteractionOption> getOptionByIndex(int index) {
                 .findFirst();
     }
 
+    /**
+     * Gets the string representation value of an option at the specified index.
+     *
+     * @param index The index of the option to search for.
+     * @return An Optional with the string value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<String> getOptionStringRepresentationValueByIndex(int index) {
+        return getOptionByIndex(index).flatMap(SlashCommandInteractionOption::getStringRepresentationValue);
+    }
+
     /**
      * Gets the string value of an option at the specified index.
      *
@@ -522,4 +606,14 @@ default Optional<Mentionable> getOptionMentionableValueByIndex(int index) {
     default Optional<CompletableFuture<Mentionable>> requestOptionMentionableValueByIndex(int index) {
         return getOptionByIndex(index).flatMap(SlashCommandInteractionOption::requestFirstOptionMentionableValue);
     }
+
+    /**
+     * Gets the double value of an option at the specified index.
+     *
+     * @param index The index of the option to search for.
+     * @return An Optional with the double value of such an option if it exists; an empty Optional otherwise
+     */
+    default Optional<Double> getOptionNumberValueByIndex(int index) {
+        return getOptionByIndex(index).flatMap(SlashCommandInteractionOption::getNumberValue);
+    }
 }

javacord-api/src/main/java/org/javacord/api/interaction/SlashCommandOptionType.java

@@ -11,6 +11,7 @@ public enum SlashCommandOptionType {
     CHANNEL(7),
     ROLE(8),
     MENTIONABLE(9),
+    NUMBER(10),
     UNKNOWN(-1);
 
     private final int value;