shortener-bot/DPP/docpages/example_code/private_messaging.cpp

63 lines
2.3 KiB
C++

#include <dpp/dpp.h>
int main() {
/* Create the bot */
dpp::cluster bot("token");
bot.on_log(dpp::utility::cout_logger());
/* The event is fired when someone issues your commands */
bot.on_slashcommand([&bot](const dpp::slashcommand_t & event) {
/* Check which command they ran */
if (event.command.get_command_name() == "pm") {
dpp::snowflake user;
/* If there was no specified user, we set the "user" variable to the command author (issuing user). */
if (event.get_parameter("user").index() == 0) {
user = event.command.get_issuing_user().id;
} else { /* Otherwise, we set it to the specified user! */
user = std::get<dpp::snowflake>(event.get_parameter("user"));
}
/* Send a message to the user set above. */
bot.direct_message_create(user, dpp::message("Here's a private message!"), [event, user](const dpp::confirmation_callback_t& callback){
/* If the callback errors, we want to send a message telling the author that something went wrong. */
if (callback.is_error()) {
/* Here, we want the error message to be different if the user we're trying to send a message to is the command author. */
if (user == event.command.get_issuing_user().id) {
event.reply(dpp::message("I couldn't send you a message.").set_flags(dpp::m_ephemeral));
} else {
event.reply(dpp::message("I couldn't send a message to that user. Please check that is a valid user!").set_flags(dpp::m_ephemeral));
}
return;
}
/* We do the same here, so the message is different if it's to the command author or if it's to a specified user. */
if (user == event.command.get_issuing_user().id) {
event.reply(dpp::message("I've sent you a private message.").set_flags(dpp::m_ephemeral));
} else {
event.reply(dpp::message("I've sent a message to that user.").set_flags(dpp::m_ephemeral));
}
});
}
});
bot.on_ready([&bot](const dpp::ready_t& event) {
if (dpp::run_once<struct register_bot_commands>()) {
/* Register the command */
dpp::slashcommand command("pm", "Send a private message.", bot.me.id);
/* Add the option for a user mention that isn't required */
command.add_option(dpp::command_option(dpp::co_mentionable, "user", "The user to message", false));
/* Register the command */
bot.global_command_create(command);
}
});
bot.start(dpp::st_wait);
return 0;
}