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|
use std::{
sync::Mutex,
fs::File,
result::Result as StdResult,
};
use serenity::{
prelude::*,
model::{
gateway::Ready,
id::{
ChannelId,
MessageId,
},
channel::Message,
},
framework::StandardFramework,
};
use fnv::{
FnvHashMap,
FnvHashSet,
};
use chrono::Datelike;
use lazy_static::lazy_static;
use log::{
debug,
info,
error,
trace,
warn,
};
use crate::{
Result,
Error,
audio,
util::OAUTH_URL,
util::CtxExt,
commands::register_commands,
config::CONFIG,
};
struct Handler;
impl EventHandler for Handler {
fn ready(&self, ctx: Context, r: Ready) {
let guild = r.guilds.iter()
.find(|g| g.id() == CONFIG.discord.guild());
if guild.is_none() {
info!("bot isn't in configured guild. join here: {:?}", OAUTH_URL.as_str());
}
#[cfg(debug_assertions)]
let botname = "thulani (dev)";
#[cfg(not(debug_assertions))]
let botname = "thulani";
guild.iter().for_each(|g| {
if let Err(e) = g.id().edit_nickname(&ctx, Some(botname)) {
error!("changing nickname: {:?}", e);
}
});
}
fn message_delete(&self, _ctx: Context, _channel_id: ChannelId, deleted_message_id: MessageId) {
MESSAGE_WATCH.lock()
.unwrap()
.remove(&deleted_message_id);
}
}
lazy_static! {
static ref MESSAGE_WATCH: Mutex<FnvHashMap<MessageId, MessageId>> = Mutex::new(FnvHashMap::default());
static ref PREFIXES: Vec<&'static str> = vec!["!thulani ", "!thulan ", "!thulando madando ", "!thulando "];
static ref RESTRICTED_PREFIXES: Vec<&'static str> = vec!["!todd ", "!toddbert ", "!toddlani "];
static ref ALL_PREFIXES: Vec<&'static str> = {
let mut all_prefixes: Vec<&'static str> = vec![];
all_prefixes.extend(PREFIXES.iter());
all_prefixes.extend(RESTRICTED_PREFIXES.iter());
all_prefixes
};
static ref RESTRICT_IDS: FnvHashSet<u64> = {
let restrict_ids = File::open("restrict.json")
.map_err(Error::from)
.and_then(|f| serde_json::from_reader::<_, Vec<u64>>(f).map_err(Error::from));
if let Err(ref e) = restrict_ids {
warn!("opening restrict file: {}", e);
}
restrict_ids
.unwrap_or_default()
.into_iter()
.collect::<FnvHashSet<_>>()
};
}
fn framework() -> StandardFramework {
let framework = StandardFramework::new()
.configure(|c| c
.allow_dm(false)
.with_whitespace(true)
.prefixes(ALL_PREFIXES.iter())
.ignore_bots(true)
.on_mention(None)
.owners(vec![CONFIG.discord.owner()].into_iter().collect())
.case_insensitivity(true)
)
.before(before_handle)
.after(after_handle)
.bucket("Standard", |b| {
b.delay(1).limit(20).time_span(60)
});
register_commands(framework)
}
fn before_handle(ctx: &mut Context, message: &Message, cmd: &str) -> bool {
debug!("got command '{}' from user '{}' ({})", cmd, message.author.name, message.author.id);
if !message.guild_id.map_or(false, |x| x == CONFIG.discord.guild()) {
info!("rejecting command '{}' from user '{}': wrong guild", cmd, message.author.name);
return false;
}
if message.author.id == CONFIG.discord.owner() {
return true;
}
let restricted_prefix = RESTRICTED_PREFIXES.iter()
.any(|prefix| message.content.starts_with(prefix));
if !restricted_prefix {
return true;
}
const PERMITTED_WEEKDAY: chrono::Weekday = chrono::Weekday::Tue;
let user_is_restricted = RESTRICT_IDS.contains(&message.author.id.0);
let restrictions_flipped = chrono::Local::now().weekday() == PERMITTED_WEEKDAY;
if user_is_restricted == restrictions_flipped {
return true;
}
let reason = if !restrictions_flipped {
"restricted prefix".to_owned()
} else {
format!("it is {:?}", PERMITTED_WEEKDAY)
};
info!("rejecting command '{}' from user '{}': {}", cmd, message.author.name, reason);
match ctx.send_result(message.channel_id, "no", message.tts) {
Err(e) => error!("sending restricted prefix response: {}", e),
Ok(msg_id) => {
let mut mp = MESSAGE_WATCH.lock().unwrap();
mp.insert(message.id, msg_id);
}
}
false
}
fn after_handle(ctx: &mut Context, msg: &Message, cmd: &str, err: StdResult<(), Error>) {
match err {
Ok(()) => {
trace!("command '{}' completed successfully", cmd);
},
Err(e) => {
if let Err(e) = msg.react(&ctx, "❌") {
error!("reacting to failed message: {}", e);
}
if let Err(e) = ctx.send(msg.channel_id, "BANIC", msg.tts) {
error!("sending BANIC: {}", e);
}
error!("error encountered handling command '{}': {:?}", cmd, e);
}
}
}
pub fn run() -> Result<()> {
let token = &CONFIG.discord.auth.token;
let mut client = Client::new(token, Handler)?;
audio::VoiceManager::register(&mut client);
audio::PlayQueue::register(&mut client);
client.with_framework(framework());
let shard_manager = client.shard_manager.clone();
ctrlc::set_handler(move || {
info!("shutting down");
shard_manager.lock().shutdown_all();
}).expect("unable to create SIGINT/SIGTERM handlers");
client.start()
}
|
