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|
use std::sync::RwLock;
use diesel::PgConnection;
use failure::Error;
use lazy_static::lazy_static;
use rand::{Rng, thread_rng};
use serenity::{
builder::CreateMessage,
framework::standard::Args,
http::AttachmentType,
model::channel::Message,
prelude::*,
};
use crate::{
commands::{
playback::{
CtxExt,
PlayArgs,
PlayQueue,
},
send,
},
db::*,
Result,
};
lazy_static! {
static ref LAST_MEME: RwLock<Option<i32>> = RwLock::new(None);
}
fn update_meme(meme: &Meme) -> Result<()> {
let mut opt = LAST_MEME.write().map_err(|_| crate::failure::err_msg("unable to acquire lock"))?;
*opt = Some(meme.id);
Ok(())
}
pub fn meme(ctx: &mut Context, msg: &Message, args: Args) -> Result<()> {
if args.len() == 0 {
return rand_meme(ctx, msg);
}
let search = args.full();
let conn = connection()?;
let mem = match find_meme(&conn, search) {
Ok(x) => {
update_meme(&x)?;
x
},
Err(e) => {
use diesel::{NotFound, self};
if let Some(NotFound) = e.downcast_ref::<diesel::result::Error>() {
send(msg.channel_id, "c'mon baby, guesstimate", msg.tts)?;
} else {
send(msg.channel_id, "what in ryan's name", msg.tts)?;
}
return Err(e)
},
};
send_meme(ctx, &mem, &conn, msg)
}
pub fn wat(_: &mut Context, msg: &Message, _: Args) -> Result<()> {
use failure::err_msg;
let conn = connection()?;
let meme = LAST_MEME.read()
.map_err(|_| err_msg("unable to acquire read lock"))
.and_then(|id| {
id.ok_or(err_msg("no previous meme"))
.and_then(|id| {
Meme::find(&conn, id)
})
});
match meme {
Ok(ref meme) => {
let metadata = Metadata::find(&conn, meme.metadata_id)?;
let author = crate::TARGET_GUILD_ID.member(metadata.created_by as u64)?;
send(msg.channel_id,
&format!("that was \"{}\" by {} ({})",
meme.title, author.mention(), metadata.created.date()), msg.tts)?
},
Err(_) => send(msg.channel_id, "heuueueeeeh?", msg.tts)?,
};
meme.map(|_| {})
}
pub fn addmeme(_: &mut Context, msg: &Message, mut args: Args) -> Result<()> {
let title = args.single_quoted::<String>()?;
let text = match args.multiple_quoted::<String>() {
Ok(text) => text.join(" "),
Err(_) => "".to_owned(),
};
let text = if text.is_empty() { None } else { Some(text) };
let conn = connection()?;
let image = msg.attachments.first()
.ok_or(::failure::err_msg("no attachment"))
.and_then(|att| {
let data = att.download()?;
Image::create(&conn, &att.filename, data, msg.author.id.0)
})
.ok();
if image.is_none() && text.is_none() {
return send(msg.channel_id, "hahAA it's empty xdddd", msg.tts);
}
NewMeme {
title,
content: text,
image_id: image,
audio_id: None,
metadata_id: 0,
}.save(&conn, msg.author.id.0).map(|_| {})?;
msg.react("👌")
}
pub fn delmeme(_: &mut Context, msg: &Message, mut args: Args) -> Result<()> {
let title = args.single_quoted::<String>()?;
let conn = connection()?;
delete_meme(&conn, &title, msg.author.id.0)?;
msg.react("💀")
}
pub fn renamememe(_: &mut Context, msg: &Message, _: Args) -> Result<()> {
send(msg.channel_id, "hwaet", msg.tts)
}
fn rand_meme(ctx: &Context, message: &Message) -> Result<()> {
let conn = connection()?;
let should_audio = ctx.currently_playing() && ctx.users_listening()?;
let modulus = if should_audio { 3 } else { 2 };
let mem = match thread_rng().gen::<u32>() % modulus {
0 => rand_text(&conn),
1 => rand_image(&conn),
2 => rand_audio(&conn),
_ => unreachable!(),
}
.or_else(|_| rand_text(&conn))
.and_then(|mut mem| {
let mut ctr = 0;
while !should_audio && mem.audio_id.is_some() {
mem = rand_text(&conn)?;
ctr += 1;
if ctr > 10 {
send(message.channel_id, "yer listenin to somethin else", message.tts)?;
bail!("looped too many times trying to find a non-audio meme");
}
}
Ok(mem)
});
match mem {
Ok(mem) => {
update_meme(&mem)?;
send_meme(ctx, &mem, &conn, message).map_err(Error::from)
},
err @ Err(_) => {
send(message.channel_id, "i don't know any :(", message.tts)?;
err.map(|_| {})
},
}
}
fn send_meme(ctx: &Context, t: &Meme, conn: &PgConnection, msg: &Message) -> Result<()> {
debug!("sending meme: {:?}", t);
let image = t.image(conn);
let audio = t.audio(conn);
let create_msg = |m: CreateMessage| {
let ret = m
.tts(thread_rng().gen::<u32>() % 25 == 0);
match t.content {
Some(ref text) => ret.content(text),
None => ret
}
};
match image {
Some(image) => {
let image = image?;
msg.channel_id.send_files(vec!(AttachmentType::Bytes((&image.data, &image.filename))), create_msg)?
},
None => msg.channel_id.send_message(create_msg)?,
};
// note: slight edge-case race condition here: there could have been something queued since we
// checked whether anything was playing. not a significant negative impact and unlikely, so i'm
// not worrying about it
if let Some(audio) = audio {
let audio = audio?;
let queue_lock = ctx.data.lock().get::<PlayQueue>().cloned().unwrap();
let mut play_queue = queue_lock.write().unwrap();
play_queue.queue.push_front(PlayArgs{
initiator: msg.author.name.clone(),
data: ::either::Right(audio.data.clone()),
sender_channel: msg.channel_id,
});
}
Ok(())
}
|
