convert string date to datetime object

src/info.rs

@@ -1,4 +1,7 @@
-use regex::Regex;
+use std::collections::HashMap;
+
+use chrono::{TimeZone, Utc};
+use regex::{Captures, Regex};
 use scraper::{Html, Selector};
 
 pub async fn info() {
@@ -16,7 +19,7 @@ pub async fn info() {
         }
     }
 
-    let mut data = std::collections::HashMap::new();
+    let mut data = HashMap::new();
     // d => date
     // r => repetition
     let re = Regex::new(r"(?P<d>\d{1,2} \w+ \d{4}).+(?P<r>\d)").unwrap();
@@ -25,14 +28,17 @@ pub async fn info() {
             match element.inner_html() {
                 e if e.starts_with("Début") => {
                     let captures = re.captures(&e).unwrap();
-                    data.insert(
+
-                        i,
+                    let date = captures.name("d").unwrap().as_str();
-                        format!(
+                    let rep = captures.name("r").unwrap().as_str();
-                            "{} pendant {}s",
+
-                            captures.name("d").unwrap().as_str(),
+                    let from = Utc
-                            captures.name("r").unwrap().as_str()
+                        .datetime_from_str(&anglophonization(date), "%e %B %Y %H:%M")
-                        ),
+                        .unwrap();
-                    );
+
+                    println!("'{}' -> {}", date, from);
+
+                    data.insert(i, format!("{} pendant {}s", date, rep));
                 }
                 e if e.starts_with("Reprise") => {
                     let captures = re.captures(&e).unwrap();
@@ -55,6 +61,7 @@ pub async fn info() {
     println!("{:#?}", data);
 }
 
+/// Get info webpage
 async fn get_webpage() -> Result<Html, Box<dyn std::error::Error>> {
     /* let html = reqwest::get("https://informatique.up8.edu/licence-iv/edt").await?.text().await?;
 
@@ -63,3 +70,32 @@ async fn get_webpage() -> Result<Html, Box<dyn std::error::Error>> {
     let html = include_str!("../target/debug2.html");
     Ok(Html::parse_document(html))
 }
+
+/// Turn a french date to an english one
+fn anglophonization(date: &str) -> String {
+    let dico = HashMap::from([
+        ("janvier", "january"),
+        ("mars", "march"),
+        ("septembre", "september"),
+        ("novembre", "november"),
+    ]);
+
+    // New regex of all the french month
+    let re = Regex::new(&format!(
+        "({})",
+        dico.keys().cloned().collect::<Vec<_>>().join("|")
+    ))
+    .unwrap();
+
+    format!(
+        // Use 12:00 for chrono parser
+        "{} 12:00",
+        // Replace french by english month
+        re.replace_all(date, |cap: &Captures| {
+            match &cap[0] {
+                month if dico.contains_key(month) => dico.get(month).unwrap(),
+                month => panic!("Unknown month: {}", month),
+            }
+        })
+    )
+}