mk-dl-bot_legacy/src/bot/bot.rs
2024-03-02 02:10:11 +02:00

152 lines
4 KiB
Rust

use anyhow;
use sqlx::SqlitePool;
use std::env;
use std::fmt;
use std::str;
use std::str::FromStr;
use std::time::Duration;
use teloxide::dispatching::dialogue;
use teloxide::dispatching::dialogue::InMemStorage;
use teloxide::dispatching::UpdateHandler;
use teloxide::types::InputFile;
use teloxide::{prelude::*, update_listeners::Polling, utils::command::BotCommands};
use tracing::{event, Level};
use crate::dl::delete_if_exists;
use crate::dl::download;
type State = ();
type MyDialogue = Dialogue<State, InMemStorage<State>>;
type HandlerErr = Box<dyn std::error::Error + Send + Sync>;
type HandlerResult = Result<(), HandlerErr>;
fn parse_env<T>(name: &str) -> T
where
T: FromStr,
T::Err: fmt::Debug,
{
str::parse(
env::var(name)
.expect(format!("env '{}' variable not defined", name).as_str())
.as_str(),
)
.expect(format!("env '{}' parse error", name).as_str())
}
pub async fn bot_main(db: SqlitePool) -> anyhow::Result<()> {
event!(Level::INFO, "start");
// db_init
let bot = Bot::new(env::var("BOT_TOKEN")?);
let listener = Polling::builder(bot.clone())
.timeout(Duration::from_secs(parse_env("POLLING_TIMEOUT")))
.limit(parse_env("POLLING_LIMIT"))
.drop_pending_updates()
.build();
Dispatcher::builder(bot, schema())
.dependencies(dptree::deps![db, InMemStorage::<State>::new()])
.enable_ctrlc_handler()
.build()
.dispatch_with_listener(
listener,
LoggingErrorHandler::with_custom_text("update listener error"),
)
.await;
Ok(())
}
fn schema() -> UpdateHandler<HandlerErr> {
use dptree::case;
let command_handler = teloxide::filter_command::<Command, _>()
.branch(case![Command::Test].endpoint(cmd_test))
.branch(case![Command::Download(url)].endpoint(cmd_download));
let message_handler = Update::filter_message().branch(command_handler);
let raw_message_handler = Update::filter_message().branch(dptree::endpoint(handle_message));
dialogue::enter::<Update, InMemStorage<()>, (), _>()
.branch(message_handler)
.branch(raw_message_handler)
}
#[derive(BotCommands, Clone)]
#[command(rename_rule = "lowercase")]
enum Command {
Test,
#[command(alias = "dl")]
Download(String),
}
#[derive(sqlx::FromRow, Debug)]
struct DbUser {
pub id: i64,
pub tg_id: i64,
pub username: Option<String>,
pub first_name: String,
pub last_name: Option<String>,
pub can_download: i64,
pub is_admin: i64,
}
async fn cmd_test(bot: Bot, msg: Message, db: SqlitePool) -> HandlerResult {
bot.send_message(msg.chat.id, "test response").await?;
let user = msg.from().unwrap();
sqlx::query(
"INSERT OR IGNORE INTO user
(tg_id, username, first_name, last_name, can_download, is_admin)
VALUES ($1, $2, $3, $4, $5, $6);",
)
.bind(user.id.0 as i64)
.bind(&user.username)
.bind(&user.first_name)
.bind(&user.last_name)
.bind(0)
.bind(0)
.execute(&db)
.await
.expect("insert");
let db_user = sqlx::query_as!(DbUser, "SELECT * FROM user WHERE id = 1 LIMIT 1;")
.fetch_one(&db)
.await
.expect("fetch_one");
dbg!(db_user);
Ok(())
}
async fn bot_download(bot: Bot, msg: Message, url: String) -> HandlerResult {
let output_path = match download(url.as_str()).await {
Ok(path) => path,
Err(e) => {
event!(Level::ERROR, "{}", e.to_string());
bot.send_message(msg.chat.id, e.to_string()).await?;
return Ok(());
}
};
if let Err(e) = bot
.send_video(msg.chat.id, InputFile::file(&output_path))
.await
{
delete_if_exists(&output_path);
return Err(Box::new(e));
}
Ok(())
}
async fn cmd_download(bot: Bot, msg: Message, url: String) -> HandlerResult {
bot_download(bot, msg, url).await
}
async fn handle_message(_bot: Bot, _dialogue: MyDialogue, _msg: Message) -> HandlerResult {
Ok(())
}