109 lines
3.5 KiB
Rust
109 lines
3.5 KiB
Rust
use chrono::{DateTime, Duration, TimeZone, Utc};
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use regex::{Captures, Regex};
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use scraper::{Html, Selector};
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use std::collections::HashMap;
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pub async fn info() -> HashMap<usize, Vec<(DateTime<Utc>, DateTime<Utc>)>> {
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let document = get_webpage().await.expect("Can't reach info website.");
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// Selectors
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let sel_ul = Selector::parse("ul").unwrap();
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let sel_li = Selector::parse("li").unwrap();
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// Find the raw infos in html page
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let mut raw_data = Vec::new();
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for (i, data) in document.select(&sel_ul).enumerate() {
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if [1, 2].contains(&i) {
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raw_data.push(data);
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}
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}
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let mut data = HashMap::new();
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// d => date
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// r => repetition
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let re = Regex::new(r"(?P<d>\d{1,2} \w+ \d{4}).+(?P<r>\d)").unwrap();
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for (i, ul) in raw_data.into_iter().enumerate() {
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for element in ul.select(&sel_li) {
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match element.inner_html() {
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e if e.starts_with("Début") => {
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let captures = re.captures(&e).unwrap();
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let start_date = get_date(captures.name("d").unwrap().as_str());
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let rep: i64 = captures.name("r").unwrap().as_str().parse().unwrap();
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// -1 car la première semaine est déjà compté
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let end_date = start_date + Duration::weeks(rep - 1);
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data.insert(i + 1, vec![(start_date, end_date)]);
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}
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e if e.starts_with("Reprise") => {
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let captures = re.captures(&e).unwrap();
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captures.name("g");
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let start_date = get_date(captures.name("d").unwrap().as_str());
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let rep: i64 = captures.name("r").unwrap().as_str().parse().unwrap();
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// -1 car la première semaine est déjà compté
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let end_date = start_date + Duration::weeks(rep - 1);
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let it = i + 1;
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let mut vec = data.get(&it).unwrap().to_owned();
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vec.push((start_date, end_date));
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data.insert(it, vec);
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}
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_ => (),
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}
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}
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}
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data
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}
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/// Get info webpage
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async fn get_webpage() -> Result<Html, Box<dyn std::error::Error>> {
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/* let html = reqwest::get("https://informatique.up8.edu/licence-iv/edt").await?.text().await?;
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Ok(Html::parse_document(&html)) */
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let html = include_str!("../target/debug2.html");
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Ok(Html::parse_document(html))
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}
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/// Turn a french date to an english one
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fn anglophonization(date: &str) -> String {
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let dico = HashMap::from([
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("janvier", "january"),
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("mars", "march"),
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("septembre", "september"),
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("novembre", "november"),
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]);
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// New regex of all the french month
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let re = Regex::new(&format!(
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"({})",
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dico.keys().cloned().collect::<Vec<_>>().join("|")
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))
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.unwrap();
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format!(
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// Use 12:00 for chrono parser
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"{} 12:00",
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// Replace french by english month
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re.replace_all(date, |cap: &Captures| {
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match &cap[0] {
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month if dico.contains_key(month) => dico.get(month).unwrap(),
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month => panic!("Unknown month: {}", month),
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}
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})
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)
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}
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/// Turn a string to a DateTime
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fn get_date(date: &str) -> DateTime<Utc> {
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// Use and keep UTC time, we have the hour set to 12h and
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// Paris 8 is in France so there is no problems
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Utc.datetime_from_str(&anglophonization(date), "%e %B %Y %H:%M")
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.unwrap()
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}
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