holocal/src/main.rs

127 lines
3.8 KiB
Rust

mod structs;
use std::env;
use std::io::{stdin, BufRead};
use std::process::{exit, Command};
use std::os::unix::process::CommandExt;
use rss::Channel;
use reqwest::Client;
extern crate tokio;
fn main() {
let view_image_command = ["xdg-open", "{}"];
let nitter_instance = "https://nitter.nixnet.services";
let twitter_accounts = [
structs::TwitterAccount { display_name: "calli", twitter_username: "moricalliope", schedule_keyword: "schedule" },
structs::TwitterAccount { display_name: "kiara", twitter_username: "takanashikiara", schedule_keyword: "schedule" },
];
let mut args = env::args();
args.next();
let mut preselect = String::new();
for arg in args {
preselect.push_str(&format!("{} ", arg));
}
let mut preselect = preselect.trim().to_lowercase();
if preselect.is_empty() {
let mut index = 0;
for account in &twitter_accounts {
eprintln!("{}. {}", index, &account.display_name);
index += 1;
}
eprint!("> ");
// https://www.programming-idioms.org/idiom/120/read-integer-from-stdin/1906/rust
preselect = stdin()
.lock()
.lines()
.next()
.expect("stdin is not avaliable")
.expect("can't read from stdin")
.trim()
.to_lowercase();
}
let mut account_index = 0;
match preselect.parse::<usize>() {
Ok(index) => {
if twitter_accounts.len() > index {
account_index = index;
} else {
eprintln!("Invalid index");
exit(1);
}
},
Err(_) => {
let mut exhausted = true;
for account in &twitter_accounts {
if &account.display_name.to_lowercase() == &preselect {
exhausted = false;
break;
}
account_index += 1;
}
if exhausted {
eprintln!("Cannot find account");
exit(1);
}
}
};
let account = &twitter_accounts[account_index];
let text = tokio::runtime::Runtime::new()
.unwrap()
.block_on(get_feed_text(nitter_instance, &account));
let channel = Channel::read_from(&text.as_bytes()[..]).unwrap();
if channel.items().is_empty() {
eprintln!("Cannot find tweet");
exit(1);
}
let src_attrib = &channel
.items()[0]
.description()
.unwrap()
.rsplitn(2, "\n")
.nth(0)
.unwrap()
.splitn(3, " ")
.nth(1)
.unwrap();
println!("{}", &channel.items()[0].title().unwrap());
let mut args = Vec::with_capacity(view_image_command.len() - 1);
for arg in &view_image_command[1..] {
if arg == &"{}" {
args.push(&src_attrib[5..src_attrib.len() - 1]);
} else {
args.push(&arg);
}
}
Command::new(&view_image_command[0])
.args(args)
.exec();
}
async fn get_feed_text(nitter_instance: &str, account: &structs::TwitterAccount) -> String {
let mut url = nitter_instance.to_string();
url.push_str("/search/rss");
match Client::new().get(&url)
.query(&[
("f", "tweets"),
("f-images", "on"),
("q", &format!("{} from:{}", &account.schedule_keyword, &account.twitter_username))
])
.send()
.await {
Ok(resp) => {
match resp.text().await {
Ok(text) => text,
Err(err) => {
eprintln!("Failed to get text due to {}", err);
exit(1);
}
}
},
Err(err) => {
eprintln!("Failed to connect to Nitter due to {}", err);
exit(1);
}
}
}