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|
use chrono::Duration;
use serenity::{
client::Context,
model::{
id::{
ChannelId,
MessageId,
},
permissions::Permissions,
},
};
use std::process::Stdio;
use lazy_static::lazy_static;
use log::debug;
use regex::{
Match,
Regex,
};
use serenity::all::{
CreateMessage,
Message,
};
use url::Url;
use crate::{
commands::songbird,
Result,
CONFIG,
};
pub async fn currently_playing(ctx: &Context, msg: &Message) -> bool {
let (_sb, call) = songbird(ctx, msg).await.expect("no songbird");
let call = call.lock().await;
call.queue().current().is_some()
}
pub async fn users_listening(ctx: &Context) -> Result<bool> {
let channel = CONFIG.discord.voice_channel().to_channel(&ctx).await?;
let res = channel
.guild()
.and_then(|ch| ch.guild(&ctx))
.map(|g| {
(&g.voice_states)
.into_iter()
.any(|(_, state)| state.channel_id == Some(CONFIG.discord.voice_channel()))
})
.unwrap_or(false);
Ok(res)
}
#[inline]
pub async fn send(
ctx: &Context,
channel: ChannelId,
text: impl AsRef<str>,
tts: bool,
) -> Result<()> {
send_result(ctx, channel, text, tts).await.map(|_| ())
}
pub async fn send_result(
ctx: &Context,
channel: ChannelId,
text: impl AsRef<str>,
tts: bool,
) -> Result<MessageId> {
let text = text.as_ref();
debug!("sending message {:?} to channel {:?} (tts: {})", text, channel, tts);
let result = channel.send_message(ctx, CreateMessage::default().content(text).tts(tts)).await?;
Ok(result.id)
}
lazy_static! {
static ref REQUIRED_PERMS: Permissions = Permissions::EMBED_LINKS
| Permissions::ADD_REACTIONS
| Permissions::SEND_MESSAGES
| Permissions::SEND_TTS_MESSAGES
| Permissions::MENTION_EVERYONE
| Permissions::USE_EXTERNAL_EMOJIS
| Permissions::CONNECT
| Permissions::SPEAK
| Permissions::CHANGE_NICKNAME
| Permissions::USE_VAD
| Permissions::ATTACH_FILES;
}
lazy_static! {
pub static ref OAUTH_URL: Url = Url::parse(&format!(
"https://discordapp.com/api/oauth2/authorize?scope=bot&permissions={}&client_id={}",
REQUIRED_PERMS.bits(),
CONFIG.discord.auth.client_id,
))
.unwrap();
}
pub async fn ytdl_url(uri: &str) -> Result<String> {
use serde_json::Value;
use tokio::process::Command;
lazy_static! {
static ref YTDL_COMMAND: String = {
let result = CONFIG.ytdl.clone().unwrap_or("youtube-dl".to_owned());
log::debug!("got ytdl: {}", result);
result
};
}
let args = [
"-f",
"webm[abr>0]/bestaudio/best",
"--no-playlist",
"--print-json",
"--skip-download",
uri,
];
let out = Command::new(&*YTDL_COMMAND).args(&args).stdin(Stdio::null()).output().await?;
if !out.status.success() {
return Err(anyhow::anyhow!("running ytdl: {out:?}"));
}
let value = serde_json::from_reader(&out.stdout[..])?;
let mut obj = match value {
Value::Object(obj) => obj,
other => return Err(anyhow::anyhow!("ytdl output not object: {other:?}")),
};
match obj.remove("url") {
Some(v) => match v {
Value::String(uri) => Ok(uri),
other => Err(anyhow::anyhow!("url not string: {other:?}")),
},
None => Err(anyhow::anyhow!("no url")),
}
}
pub fn parse_times<A: AsRef<str>>(s: A) -> (Option<Duration>, Option<Duration>) {
lazy_static! {
static ref START_REGEX: Regex =
Regex::new(r"(?:start|begin(?:ning)?)\s*=?\s*(?:(?P<hours>\d+)h\s?)?(?:(?P<minutes>\d+)m\s?)?(?:(?P<seconds>\d+)s?)?").unwrap();
static ref DUR_REGEX: Regex =
Regex::new(r"dur(?:ation)?\s*=?\s*(?:(?P<hours>\d+)h\s?)?(?:(?P<minutes>\d+)m\s?)?(?:(?P<seconds>\d+)s?)?").unwrap();
static ref END_REGEX: Regex =
Regex::new(r"(?:end|term(?:inate|ination)?)\s*=?\s*(?:(?P<hours>\d+)h\s?)?(?:(?P<minutes>\d+)m\s?)?(?:(?P<seconds>\d+)s?)?").unwrap();
}
fn parse_match(m: Option<Match>) -> u64 {
m.and_then(|s| s.as_str().parse::<u64>().ok()).unwrap_or(0)
}
fn parse_captures<B: AsRef<str>>(r: &Regex, s: B) -> Option<Duration> {
r.captures(s.as_ref()).map(|capt| {
let hours = parse_match(capt.name("hours"));
let minutes = parse_match(capt.name("minutes"));
let seconds = parse_match(capt.name("seconds"));
let result = Duration::hours(hours as i64)
+ Duration::minutes(minutes as i64)
+ Duration::seconds(seconds as i64);
assert!(result >= Duration::zero());
result
})
}
let start_time = parse_captures(&START_REGEX, &s);
let dur = parse_captures(&DUR_REGEX, &s);
let end_time = parse_captures(&END_REGEX, s)
.or_else(|| start_time.and_then(|start| dur.map(|d| start + d)));
(start_time, end_time)
}
|
