115 lines
3 KiB
Rust
115 lines
3 KiB
Rust
use anyhow;
|
|
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 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() -> anyhow::Result<()> {
|
|
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![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),
|
|
}
|
|
|
|
async fn cmd_test(bot: Bot, msg: Message) -> HandlerResult {
|
|
bot.send_message(msg.chat.id, "test response").await?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn cmd_download(bot: Bot, msg: Message, url: String) -> HandlerResult {
|
|
let output_path = match download(url.as_str()).await {
|
|
Ok(path) => path,
|
|
Err(e) => {
|
|
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 handle_message(_bot: Bot, _dialogue: MyDialogue, msg: Message) -> HandlerResult {
|
|
println!(
|
|
"msg {} kind {:?} text {}",
|
|
msg.id,
|
|
msg.kind,
|
|
msg.text().unwrap_or("<empty>")
|
|
);
|
|
|
|
Ok(())
|
|
}
|