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#![feature(custom_derive,plugin)]
#![plugin(serde_macros)]
extern crate hyper;
extern crate irc;
extern crate serde;
extern crate serde_json;
use std::collections::HashMap;
use std::io::Read;
use hyper::Client;
use hyper::header::Connection;
use irc::client::prelude::*;
#[derive(Debug, PartialEq, Serialize, Deserialize)]
struct WikiPage {
ns: u32,
pageid: u32,
title: String,
extract: String,
}
#[derive(Debug, PartialEq, Serialize, Deserialize)]
struct WikiRedirect {
from: String,
to: String,
}
#[derive(Debug, PartialEq, Serialize, Deserialize)]
struct WikiQueryResponse {
batchcomplete: String,
query: WikiQuery,
}
#[derive(Debug, PartialEq, Serialize, Deserialize)]
struct WikiQuery {
redirects: Option<Vec<WikiRedirect>>,
normalized: Option<Vec<WikiRedirect>>,
pages: HashMap<String, WikiPage>,
}
const CHANNEL: &'static str = "#opensourcecornell";
fn user_agent() -> hyper::header::UserAgent {
hyper::header::UserAgent("lidavidm_irc_bot/0.1 (https://git.lidavidm.me; li.davidm96@gmail.com) hyper/0.7.2".to_owned())
}
fn query_page(article: &str) -> serde_json::Result<WikiQueryResponse>{
let client = Client::new();
let mut res = client
.get(&format!("https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&explaintext=&titles={}&redirects=", article.replace(" ", "%20")))
.header(user_agent())
.header(Connection::close())
.send().unwrap();
let mut body = String::new();
res.read_to_string(&mut body).unwrap();
serde_json::from_str(&body)
}
fn emote_action(action: &str) -> Option<&str> {
if action == "shrugs" {
Some("¯\\_(ツ)_/¯")
}
else {
None
}
}
fn extract_username(prefix: Option<String>) -> Option<String> {
prefix.and_then(|p| p.split("!").next().map(|s| s.to_owned()))
}
struct IrcBot<T: IrcRead, U: IrcWrite> {
server: IrcServer<T, U>,
}
impl<T: IrcRead, U: IrcWrite> IrcBot<T, U> {
fn new(server: IrcServer<T, U>) -> IrcBot<T, U> {
IrcBot {
server: server,
}
}
fn wiki_query(&self, origin: &str, article: &str) {
let response = query_page(article);
if let Ok(q) = response {
for page in q.query.pages.values() {
let url = format!("https://en.wikipedia.org/?curid={}", page.pageid);
self.server.send_privmsg(origin, &format!("{}: {}", page.title, url)).unwrap();
self.server.send_privmsg(origin, &page.extract).unwrap();
break;
}
}
else {
self.server.send_privmsg(origin, "Sorry, I couldn't retrieve the wiki page.").unwrap();
println!("{:?}", response);
}
}
fn emote(&self, username: &str, action: &str) {
if let Some(reply) = emote_action(action) {
self.server.send_privmsg(
CHANNEL,
&(username.to_owned() + " is " + reply)[..]).unwrap();
}
}
fn handle_privmsg(&self, origin: &str, username: &str, msg: &str) {
if msg.starts_with("!wiki") {
let article = msg[5..].trim();
self.wiki_query(origin, article);
}
else if msg.starts_with("\u{1}ACTION") {
let action = msg[8..msg.len() - 1].trim();
self.emote(&username, action);
}
else if msg.starts_with("/me") {
let action = msg[3..].trim();
self.emote(&username, action);
}
}
fn process_messages(&self) {
for message in self.server.iter() {
let message = message.unwrap();
println!("{:?}", message);
if &message.command[..] == "PRIVMSG" {
if let Some(msg) = message.suffix {
if let Some(username) = extract_username(message.prefix) {
let origin = &message.args[0];
self.handle_privmsg(origin, &username, &msg);
}
}
}
}
}
}
fn main() {
let config = Config {
nickname: Some(format!("lidavidm_prime")),
server: Some(format!("irc.freenode.net")),
channels: Some(vec![CHANNEL.to_string()]),
.. Default::default()
};
let server = IrcServer::from_config(config).unwrap();
server.identify().unwrap();
let bot = IrcBot::new(server);
bot.process_messages();
}
|
