129 lines
4.4 KiB
Rust
129 lines
4.4 KiB
Rust
use scraper::{Html, Selector};
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mod models;
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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//let url = "https://informatique.up8.edu/licence-iv/edt/l3.html";
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// Get raw html
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//let html = reqwest::get(url).await?.text().await?;
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let html = include_str!("../target/debug.html");
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// Parse document
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let document = Html::parse_document(html);
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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.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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println!("\n");
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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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// TODO: Make fn who chacke if timetable is bell built (time consistency)
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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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Ok(())
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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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checker
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}
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