feat: Added file type filtering to slashcommand attachments

include/dpp/appcommand.h

@@ -292,6 +292,11 @@ struct DPP_EXPORT command_option : public json_interface<command_option> {
 	 */
 	std::map<std::string, std::string> description_localizations;
 
+	/**
+	 * @brief File types (dpp::co_attachment) to filter for; can be "image", "video", "audio", or any dot-prefixed extension such as ".pdf" (0-10).
+	 */
+	std::vector<std::string> file_types;
+
 	/**
 	 * @brief Construct a new command option object
 	 */
@@ -302,6 +307,14 @@ struct DPP_EXPORT command_option : public json_interface<command_option> {
 	 */
 	virtual ~command_option() = default;
 
+	/**
+	 * @brief Add a file type (dpp::co_attachment) to filter for.
+	 *
+	 * @param file_type The type to filter for ("image"/"video"/"audio" or the file extension (begins with ".")).
+	 * @return command_option& Reference to self
+	 */
+	command_option& add_file_type(std::string_view file_type);
+
 	/**
 	 * @brief Add a localisation for this slash command option
 	 * @see https://discord.com/developers/docs/reference#locales

include/dpp/message.h

@@ -567,6 +567,11 @@ class DPP_EXPORT component : public json_interface<component> {
 	 */
 	int32_t max_values;
 
+	/**
+	 * @brief File types (dpp::cot_file_upload) to filter for; can be "image", "video", "audio", or any dot-prefixed extension such as ".pdf" (0-10).
+	 */
+	std::vector<std::string> file_types;
+
 	/**
 	 * @brief Minimum length for text input (0-4000)
 	 */
@@ -897,6 +902,14 @@ class DPP_EXPORT component : public json_interface<component> {
 	 */
 	component& set_max_values(uint32_t max_values);
 
+	/**
+	 * @brief Add a file type (dpp::cot_file_upload) to filter for.
+	 *
+	 * @param file_type The type to filter for ("image"/"video"/"audio" or the file extension (begins with ".")).
+	 * @return component& Reference to self
+	 */
+	component& add_file_type(std::string_view file_type);
+
 	/**
 	 * @brief Set the minimum input length for a text input
 	 * 

src/dpp/message.cpp

@@ -574,6 +574,20 @@ void to_json(json& j, const component& cp) {
 				j["default_values"].push_back(o);
 			}
 		}
+	} else if (cp.type == cot_file_upload) {
+		j["custom_id"] = cp.custom_id;
+		if (cp.min_values >= 0) {
+			j["min_values"] = cp.min_values;
+		}
+		if (cp.max_values >= 0) {
+			j["max_values"] = cp.max_values;
+		}
+		if (cp.required) {
+			j["required"] = cp.required;
+		}
+		if (!cp.file_types.empty()) {
+			j["file_types"] = cp.file_types;
+		}
 	}
 }
 
@@ -650,6 +664,11 @@ component& component::set_max_values(uint32_t _max_values) {
 	return *this;
 }
 
+component& component::add_file_type(std::string_view const file_type) {
+	this->file_types.emplace_back(file_type);
+	return *this;
+}
+
 component& component::add_select_option(const select_option &option) {
 	if (options.size() <= 25) {
 		options.emplace_back(option);

src/dpp/slashcommand.cpp

@@ -201,6 +201,10 @@ void to_json(json& j, const command_option& opt) {
 			j["channel_types"].push_back(ch_type);
 		}
 	}
+
+	if (!opt.file_types.empty()) {
+		j["file_types"] = opt.file_types;
+	}
 }
 
 void to_json(nlohmann::json& j, const command_permission& cp) {
@@ -512,6 +516,17 @@ json interaction::to_json_impl(bool with_id) const {
 	return "";
 }
 
+/**
+ * @brief Add a file type (dpp::co_attachment) to filter for.
+ *
+ * @param file_type The type to filter for ("image"/"video"/"audio" or the file extension (begins with ".")).
+ * @return command_option& Reference to self
+*/
+command_option& command_option::add_file_type(std::string_view const file_type) {
+	this->file_types.emplace_back(file_type);
+	return *this;
+}
+
 slashcommand& slashcommand::add_localization(const std::string& language, const std::string& _name, const std::string& _description) {
 	name_localizations[language] = _name;
 	if (! _description.empty()) {