don't crash on weird directories

src/utils/routes/cours.rs

@@ -30,22 +30,21 @@ impl PartialOrd for FileNode {
     }
 }
 
-#[once(time = 120)]
+#[once(time = 600)]
 pub fn get_filetree(
     initial_dir: &str,
     exclusion_list: &[String],
     exclusion_patterns: &[Regex],
 ) -> FileNode {
-    gen_filetree(initial_dir, exclusion_list, exclusion_patterns)
+    gen_filetree(initial_dir, exclusion_list, exclusion_patterns).unwrap()
 }
 
 fn gen_filetree(
     dir_path: &str,
     exclusion_list: &[String],
     exclusion_patterns: &[Regex],
-) -> FileNode {
-    let mut children: Vec<FileNode> = std::fs::read_dir(dir_path)
-        .unwrap()
+) -> Result<FileNode, std::io::Error> {
+    let mut children: Vec<FileNode> = std::fs::read_dir(dir_path)?
         .filter_map(Result::ok)
         .filter_map(|entry| {
             let entry_path = entry.path();
@@ -69,10 +68,14 @@ fn gen_filetree(
                     exclusion_list,
                     exclusion_patterns,
                 );
-                if children_of_children.is_dir && children_of_children.children.is_empty() {
+                if let Ok(coc) = children_of_children {
+                    if coc.is_dir && coc.children.is_empty() {
                         None
                     } else {
-                    Some(children_of_children)
+                        Some(coc)
+                    }
+                } else {
+                    None
                 }
             }
         })
@@ -80,7 +83,7 @@ fn gen_filetree(
 
     children.sort();
 
-    FileNode {
+    Ok(FileNode {
         name: Path::new(dir_path)
             .file_name()
             .unwrap()
@@ -88,7 +91,7 @@ fn gen_filetree(
             .to_string(),
         is_dir: true,
         children,
-    }
+    })
 }
 
 pub fn excluded(element: &str, exclusion_list: &[String], exclusion_patterns: &[Regex]) -> bool {