forked from Anri/cal8tor
move the timetable stuff into one file
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parent
9a905b4389
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GPG key ID:
A82D63DFF8D1317F
3 changed files with 194 additions and 166 deletions
177
src/main.rs
177
src/main.rs
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@ -1,176 +1,21 @@
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use scraper::{Html, Selector};
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use scraper::Html;
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mod models;
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mod timetable;
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#[tokio::main]
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async fn main() {
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let document = get_webpage(3, 1, None).await.expect("Can't reach website.");
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// Selectors
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let sel_table = Selector::parse("table").unwrap();
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let sel_tr = Selector::parse("tr").unwrap();
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let sel_tbody = Selector::parse("tbody").unwrap();
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let sel_th = Selector::parse("th").unwrap();
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let sel_td = Selector::parse("td").unwrap();
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let sel_em = Selector::parse("em").unwrap();
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let sel_small = Selector::parse("small").unwrap();
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let sel_strong = Selector::parse("strong").unwrap();
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let _timetable = timetable::timetable(3, 1, None).await;
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// Find the timetable
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let raw_timetable = document.select(&sel_table).next().unwrap();
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// Find the slots available for the timetable
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let raw_schedules = raw_timetable.select(&sel_tr).next().unwrap();
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// Find availables schedules
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let mut schedules = Vec::new();
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for time in raw_schedules.select(&sel_th) {
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schedules.push(time.inner_html());
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}
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// Find the timetable values
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let raw_timetable_values = raw_timetable.select(&sel_tbody).next().unwrap();
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// For each days
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let mut timetable = Vec::new();
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for day in raw_timetable_values.select(&sel_tr) {
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let mut courses_vec = Vec::new();
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let mut location_tracker = 0;
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for course in day.select(&sel_td) {
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if course.inner_html() == "—" {
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courses_vec.push(None);
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location_tracker += 1;
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} else {
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courses_vec.push(Some(models::Course {
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name: course.select(&sel_em).next().unwrap().inner_html(),
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professor: match course
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.select(&sel_small)
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.next()
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.unwrap()
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.inner_html()
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.split("<br>")
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.next()
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{
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Some(data) => {
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if data.contains("</strong>") {
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// This is the room, so there is no professor assigned
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// to this courses yet
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None
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} else {
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Some(data.to_string())
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}
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}
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None => None,
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},
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room: course.select(&sel_strong).next().unwrap().inner_html(),
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start: location_tracker,
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size: match course.value().attr("colspan") {
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Some(i) => i.parse().unwrap(),
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None => 1,
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},
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}));
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match &courses_vec[courses_vec.len() - 1] {
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Some(course) => location_tracker += course.size,
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None => location_tracker += 1,
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}
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}
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}
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timetable.push(models::Day {
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name: day.select(&sel_th).next().unwrap().inner_html(),
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courses: courses_vec,
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})
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}
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if !check_timetable_consistency(&schedules, &timetable) {
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panic!("Error when building the timetable.");
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}
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let _document_info = get_webpage_info().await.expect("Can't reach info website.");
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// println!("{:#?}", document_info);
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}
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/// Check if the timetable is well built
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fn check_timetable_consistency(schedules: &Vec<String>, timetable: &Vec<models::Day>) -> bool {
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let mut checker = true;
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for day in timetable {
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let mut i = 0;
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for course in &day.courses {
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match course {
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Some(course_it) => {
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// Checks the consistency of course start times
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if i != course_it.start {
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checker = false;
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break;
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}
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// Keep the track of how many courses are in the day
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i += course_it.size
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}
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None => i += 1,
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}
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}
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// The counter should be the same as the amount of possible hours of the day
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if i != schedules.len() {
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checker = false;
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break;
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}
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}
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async fn get_webpage_info() -> 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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checker
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}
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async fn get_webpage(
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_year: i8,
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_semester: i8,
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_letter: Option<char>,
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) -> Result<Html, Box<dyn std::error::Error>> {
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/* let url = {
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let panic_semester_message = "Unknown semester.";
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let panic_letter_message = "Unknown letter.";
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let base_url = "https://informatique.up8.edu/licence-iv/edt";
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match year {
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1 => {
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let allow_letters = match semester {
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1 => ['a', 'b', 'c'],
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2 => ['x', 'y', 'z'],
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_ => panic!("{}", panic_semester_message),
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};
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let c = letter.expect(panic_letter_message);
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if allow_letters.contains(&c) {
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format!("{}/l1-{}.html", base_url, c)
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} else {
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panic!("{}", panic_letter_message)
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}
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}
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2 => {
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let allow_letters = match semester {
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1 => ['a', 'b'],
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2 => ['x', 'y'],
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_ => panic!("{}", panic_semester_message),
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};
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let c = letter.expect(panic_letter_message);
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if allow_letters.contains(&c) {
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format!("{}/l2-{}.html", base_url, c)
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} else {
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panic!("{}", panic_letter_message)
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}
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}
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3 => match semester {
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1 => format!("{}/l3.html", base_url),
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2 => format!("{}/l3_2.html", base_url),
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_ => panic!("{}", panic_semester_message),
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},
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_ => panic!("Unknown year."),
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}
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};
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// Get raw html
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let html = reqwest::get(url).await?.text().await?;
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// Parse document
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let document = Html::parse_document(&html); */
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let html = include_str!("../target/debug.html");
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let document = Html::parse_document(html);
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Ok(document)
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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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183
src/timetable.rs
Normal file
183
src/timetable.rs
Normal file
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@ -0,0 +1,183 @@
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use scraper::{Selector, Html};
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mod models;
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pub async fn timetable(year: i8, semester: i8, letter: Option<char>) -> Vec<models::Day> {
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let document_timetable = get_webpage(year, semester, letter).await.expect("Can't reach timetable website.");
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// Selectors
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let sel_table = Selector::parse("table").unwrap();
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let sel_tr = Selector::parse("tr").unwrap();
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let sel_tbody = Selector::parse("tbody").unwrap();
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let sel_th = Selector::parse("th").unwrap();
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let sel_td = Selector::parse("td").unwrap();
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let sel_em = Selector::parse("em").unwrap();
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let sel_small = Selector::parse("small").unwrap();
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let sel_strong = Selector::parse("strong").unwrap();
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// Find the timetable
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let raw_timetable = document_timetable.select(&sel_table).next().unwrap();
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// Find the slots available for the timetable
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let raw_schedules = raw_timetable.select(&sel_tr).next().unwrap();
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// Find availables schedules
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let mut schedules = Vec::new();
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for time in raw_schedules.select(&sel_th) {
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schedules.push(time.inner_html());
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}
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// Find the timetable values
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let raw_timetable_values = raw_timetable.select(&sel_tbody).next().unwrap();
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// For each days
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let mut timetable = Vec::new();
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for day in raw_timetable_values.select(&sel_tr) {
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let mut courses_vec = Vec::new();
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let mut location_tracker = 0;
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for course in day.select(&sel_td) {
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if course.inner_html() == "—" {
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courses_vec.push(None);
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location_tracker += 1;
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} else {
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courses_vec.push(Some(models::Course {
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name: course.select(&sel_em).next().unwrap().inner_html(),
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professor: match course
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.select(&sel_small)
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.next()
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.unwrap()
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.inner_html()
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.split("<br>")
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.next()
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{
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Some(data) => {
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if data.contains("</strong>") {
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// This is the room, so there is no professor assigned
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// to this courses yet
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None
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} else {
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Some(data.to_string())
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}
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}
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None => None,
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},
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room: course
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.select(&sel_strong)
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.next()
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.unwrap()
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.inner_html()
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.replace("<br>", ""),
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start: location_tracker,
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size: match course.value().attr("colspan") {
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Some(i) => i.parse().unwrap(),
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None => 1,
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},
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}));
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match &courses_vec[courses_vec.len() - 1] {
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Some(course) => location_tracker += course.size,
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None => location_tracker += 1,
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}
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}
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}
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timetable.push(models::Day {
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name: day.select(&sel_th).next().unwrap().inner_html(),
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courses: courses_vec,
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})
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}
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if !check_consistency(&schedules, &timetable) {
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panic!("Error when building the timetable.");
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}
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timetable
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}
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async fn get_webpage(
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year: i8,
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semester: i8,
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letter: Option<char>,
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) -> Result<Html, Box<dyn std::error::Error>> {
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/* let url = {
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let panic_semester_message = "Unknown semester.";
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let panic_letter_message = "Unknown letter.";
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let base_url = "https://informatique.up8.edu/licence-iv/edt";
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match year {
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1 => {
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let allow_letters = match semester {
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1 => ['a', 'b', 'c'],
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2 => ['x', 'y', 'z'],
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_ => panic!("{}", panic_semester_message),
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};
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let c = letter.expect(panic_letter_message);
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if allow_letters.contains(&c) {
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format!("{}/l1-{}.html", base_url, c)
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} else {
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panic!("{}", panic_letter_message)
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}
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}
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2 => {
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let allow_letters = match semester {
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1 => ['a', 'b'],
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2 => ['x', 'y'],
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_ => panic!("{}", panic_semester_message),
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};
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let c = letter.expect(panic_letter_message);
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if allow_letters.contains(&c) {
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format!("{}/l2-{}.html", base_url, c)
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} else {
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panic!("{}", panic_letter_message)
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}
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}
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3 => match semester {
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1 => format!("{}/l3.html", base_url),
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2 => format!("{}/l3_2.html", base_url),
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_ => panic!("{}", panic_semester_message),
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},
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_ => panic!("Unknown year."),
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}
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};
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// Get raw html
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let html = reqwest::get(url).await?.text().await?;
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// Parse document
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let document = Html::parse_document(&html); */
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println!("Fetch 'L{}{} (s{})'", year, letter.unwrap_or(' '), semester);
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let html = include_str!("../target/debug.html");
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let document = Html::parse_document(html);
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Ok(document)
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}
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/// Check if the timetable is well built
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fn check_consistency(schedules: &Vec<String>, timetable: &Vec<models::Day>) -> bool {
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let mut checker = true;
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for day in timetable {
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let mut i = 0;
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for course in &day.courses {
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match course {
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Some(course_it) => {
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// Checks the consistency of course start times
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if i != course_it.start {
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checker = false;
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break;
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}
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// Keep the track of how many courses are in the day
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i += course_it.size
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}
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None => i += 1,
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}
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}
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// The counter should be the same as the amount of possible hours of the day
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if i != schedules.len() {
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checker = false;
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break;
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}
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}
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checker
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}
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