HypeBot/src/main.rs

267 lines
8.5 KiB
Rust

#[macro_use]
extern crate diesel;
#[macro_use]
extern crate diesel_migrations;
extern crate serde;
#[macro_use]
extern crate log;
extern crate log4rs;
use chrono::{DateTime, Utc};
use clap::{App, Arg};
use log::LevelFilter;
use log4rs::append::file::FileAppender;
use log4rs::config::{Appender, Config, Root};
use log4rs::encode::pattern::PatternEncoder;
use serenity::client::Client;
use serenity::framework::standard::macros::{group, help};
use serenity::framework::standard::{help_commands, Args, CommandGroup, HelpOptions};
use serenity::framework::standard::{CommandResult, StandardFramework};
use serenity::model::channel::{Message, Reaction};
use serenity::model::id::UserId;
use serenity::model::prelude::Ready;
use serenity::model::user::User;
use serenity::prelude::TypeMapKey;
use serenity::prelude::{Context, EventHandler, RwLock, ShareMap};
use serenity::CacheAndHttp;
use std::collections::HashSet;
use std::process::exit;
use std::sync::Arc;
use std::thread;
use std::thread::sleep;
use std::time::Duration;
mod database;
mod discord;
mod hypebot_config;
use database::models::NewEvent;
use database::*;
use discord::events::{CANCEL_COMMAND, CONFIRM_COMMAND, CREATE_COMMAND};
use discord::{
get_config, log_error, permission_check, send_dm_message, send_message_to_reaction_users,
};
use hypebot_config::HypeBotConfig;
const INTERESTED_EMOJI: &str = "\u{2705}";
const UNINTERESTED_EMOJI: &str = "\u{274C}";
type HypeBotResult<T> = std::result::Result<T, Box<dyn std::error::Error>>;
/// Event discord group
#[group]
#[only_in(guilds)]
#[description("Commands for Creating Events")]
#[commands(create, confirm, cancel)]
struct EventCommands;
/// Struct for storing drafted events
struct DraftEvent {
pub event: NewEvent,
pub creator_id: u64,
}
impl TypeMapKey for DraftEvent {
type Value = DraftEvent;
}
/// Handler for Discord events
struct Handler;
impl EventHandler for Handler {
/// On reaction add
fn reaction_add(&self, ctx: Context, reaction: Reaction) {
if reaction.emoji.as_data() == INTERESTED_EMOJI {
send_message_to_reaction_users(
&ctx,
&reaction,
"Hello, you are now receiving reminders for",
);
}
}
/// On reaction remove
fn reaction_remove(&self, ctx: Context, reaction: Reaction) {
if reaction.emoji.as_data() == INTERESTED_EMOJI {
send_message_to_reaction_users(
&ctx,
&reaction,
"Hello, you are no longer receiving reminders for",
);
}
}
/// On bot ready
fn ready(&self, _: Context, ready: Ready) {
println!("Connected to Discord as {}", ready.user.name);
info!("Connected to Discord as {}", ready.user.name);
}
}
#[help]
#[command_not_found_text = "Could not find: `{}`."]
#[strikethrough_commands_tip_in_guild("HypeBot")]
fn bot_help(
context: &mut Context,
msg: &Message,
args: Args,
help_options: &'static HelpOptions,
groups: &[&'static CommandGroup],
owners: HashSet<UserId>,
) -> CommandResult {
help_commands::with_embeds(context, msg, args, help_options, groups, owners)
}
/// Thread to send reminders to users
fn send_reminders(cache_and_http: &Arc<CacheAndHttp>, data: &Arc<RwLock<ShareMap>>) {
let sleep_duration = Duration::from_secs(60);
let config = get_config(data).unwrap();
loop {
sleep(sleep_duration);
let http = &cache_and_http.http;
let event_channel_id = config.event_channel;
// Get all current events
if let Ok(events) = get_all_events(config.db_url.clone()) {
for event in events {
if let Ok(message_id) = event.message_id.parse::<u64>() {
// Get time to event
let utc_time = DateTime::<Utc>::from_utc(event.event_time.clone(), Utc);
let time_to_event = (utc_time - chrono::offset::Utc::now()).num_minutes();
// If the event starts in less than 10 minutes
if time_to_event <= 10 && time_to_event > 0 && event.reminder_sent == 1 {
// Get message isd
if let Ok(message) = http.get_message(event_channel_id, message_id) {
let reaction_users = message
.reaction_users(&http, INTERESTED_EMOJI, None, None)
.unwrap_or(Vec::<User>::new());
// Build reminder message
let msg: String = format!(
"Hello! **{}** begins in **{} minutes**!",
&event.event_name, time_to_event
);
// Send reminder to each reacted user
for user in reaction_users {
send_dm_message(&http, user, &msg);
}
}
set_reminder(config.db_url.clone(), event.id, 1).ok();
} else if time_to_event < -60 {
remove_event(config.db_url.clone(), event.id).ok();
http.delete_message(event_channel_id, message_id).ok();
}
}
}
}
}
}
/// Does the setup for logging
fn setup_logging(config: &HypeBotConfig) -> HypeBotResult<()> {
// Setup logging
let log_encode = Box::new(PatternEncoder::new("{d}:{l}-{m}\n"));
let logfile = FileAppender::builder()
.encoder(log_encode)
.build(&config.log_path)?;
let log_config = Config::builder()
.appender(Appender::builder().build("logfile", Box::new(logfile)))
.build(Root::builder().appender("logfile").build(LevelFilter::Info))?;
log4rs::init_config(log_config)?;
Ok(())
}
embed_migrations!("migrations/");
fn main() -> HypeBotResult<()> {
// Initialize arg parser
let mut app = App::new("Hype Bot")
.about("Hype Bot: Hype Up Your Discord Events!")
.arg(
Arg::with_name("config")
.index(1)
.short("c")
.long("config")
.value_name("CONFIG_PATH")
.help("Config file path"),
);
// Get arg parser
let matches = app.clone().get_matches();
// Check if config is set
if let Some(config_path) = matches.value_of("config") {
// Load config
let cfg = match hypebot_config::HypeBotConfig::new(config_path) {
Ok(cfg) => cfg,
Err(err) => {
println!("Error opening config file: {}", err);
exit(-1);
}
};
// Setup logging
setup_logging(&cfg)?;
// Run migrations
let connection = establish_connection(cfg.db_url.clone());
embedded_migrations::run(&connection)?;
// New client
let mut client =
Client::new(cfg.discord_key.clone(), Handler).expect("Error creating client");
// Configure client
client.with_framework(
StandardFramework::new()
.configure(|c| {
c.prefix(cfg.prefix.as_str().clone())
.allow_dm(false)
.ignore_bots(true)
.ignore_webhooks(true)
})
.before(permission_check)
.after(log_error)
.group(&EVENTCOMMANDS_GROUP)
.help(&BOT_HELP),
);
// Copy config data to client data
{
let mut data = client.data.write();
data.insert::<HypeBotConfig>(cfg);
data.insert::<DraftEvent>(DraftEvent {
event: NewEvent {
message_id: String::new(),
event_time: Utc::now().naive_utc(),
event_name: String::new(),
event_desc: String::new(),
thumbnail_link: String::new(),
reminder_sent: 0 as i32,
},
creator_id: 0,
});
}
let data = client.data.clone();
let cache_and_http = client.cache_and_http.clone();
thread::spawn(move || send_reminders(&cache_and_http, &data));
// Start bot
info!("Starting HypeBot!");
println!("Starting HypeBot!");
if let Err(why) = client.start() {
println!("An error occurred while running the client: {:?}", why);
}
} else {
// Print help
app.print_help()?;
}
Ok(())
}