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use crate::{SharedConfig, SharedHttp};
use bot_error::Error;
use log::{debug, error, info, trace, warn};
use serenity::all::CreateBotAuthParameters;
use serenity::async_trait;
use serenity::builder::{
CreateEmbed, CreateInteractionResponse, CreateInteractionResponseFollowup,
CreateInteractionResponseMessage,
};
use serenity::model::{
application::{Command, CommandInteraction, Interaction},
colour::Colour,
gateway::Ready,
};
use serenity::prelude::{Context, EventHandler};
#[derive(Clone, Copy, Debug)]
pub struct Handler;
impl Handler {
async fn register_commands(&self, ctx: &Context) -> Result<(), Error> {
let commands = bot_commands::to_vec();
let commands_len = commands.len();
for command in commands {
Command::create_global_command(&ctx.http, command).await?;
}
debug!("Registered {} commands", commands_len);
Ok(())
}
/// Dispatch our commands from a [`CommandInteraction`]
async fn dispatch_command(ctx: &Context, command: &CommandInteraction) -> Result<(), Error> {
let command_name = command.data.name.as_str();
// grab our configuration & http client from the aether
let (http, config) = {
let read = ctx.data.read().await;
let http = read
.get::<SharedHttp>()
.ok_or("Couldn't get shared HTTP client! WHY??????")?
.clone();
let config = read
.get::<SharedConfig>()
.ok_or("Couldn't get shared bot configuration!")?
.clone();
(http, config)
};
match command_name {
"about" => bot_commands::about::respond(ctx, &http, command).await?,
"ping" => bot_commands::ping::respond(ctx, command).await?,
"track" => bot_commands::track::respond(ctx, &http, &config, command).await?,
_ => {
let message = CreateInteractionResponseMessage::new().content(format!(
"It doesn't look like you can use `{command_name}`. Sorry :("
));
let response = CreateInteractionResponse::Message(message);
command.create_response(&ctx, response).await?;
}
};
Ok(())
}
async fn invite_link(ctx: &Context) {
if let Ok(invite_link) = CreateBotAuthParameters::new().auto_client_id(ctx).await {
let link = invite_link.build();
info!("You can install me as an app at {link}");
} else {
warn!("Couldn't figure out our own client ID! Something might be wrong");
}
}
}
#[async_trait]
impl EventHandler for Handler {
/// Dispatch our commands and try to handle errors from them
async fn interaction_create(&self, ctx: Context, interaction: Interaction) {
if let Interaction::Command(command) = interaction {
let command_name = &command.data.name;
trace!("Received command: {}", command_name);
if let Err(why) = Handler::dispatch_command(&ctx, &command).await {
error!(
"Ran into an error while dispatching command {}:\n{why:?}",
command_name
);
let embed = CreateEmbed::new()
.title("An error occurred")
.description("Sorry about that!")
.color(Colour::RED);
let response = CreateInteractionResponseFollowup::new().embed(embed);
if let Err(why) = command.create_followup(&ctx.http, response).await {
error!("Ran into an error while trying to recover from an error!\n{why:?}");
}
}
}
}
async fn ready(&self, ctx: Context, ready: Ready) {
info!("Connected as {}!", ready.user.name);
Handler::invite_link(&ctx).await;
if let Err(why) = self.register_commands(&ctx).await {
error!("Couldn't register commands!\n{why:?}");
};
}
}
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