From 14fe248b4bfc3c577be7deacc346a959c7c0cc47 Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Thu, 25 Apr 2024 14:44:12 +0200
Subject: Optimize the notify event handler

---
 src/watch/notify_event.rs | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

(limited to 'src/watch')

diff --git a/src/watch/notify_event.rs b/src/watch/notify_event.rs
index fb9a8c0..f66a834 100644
--- a/src/watch/notify_event.rs
+++ b/src/watch/notify_event.rs
@@ -5,7 +5,7 @@ use super::WatchEvent;
 
 pub struct DebounceEventHandler {
     pub tx: Sender<WatchEvent>,
-    pub exercise_paths: &'static [&'static str],
+    pub exercise_names: &'static [&'static [u8]],
 }
 
 impl notify_debouncer_mini::DebounceEventHandler for DebounceEventHandler {
@@ -15,15 +15,24 @@ impl notify_debouncer_mini::DebounceEventHandler for DebounceEventHandler {
                 let Some(exercise_ind) = event
                     .iter()
                     .filter_map(|event| {
-                        if event.kind != DebouncedEventKind::Any
-                            || !event.path.extension().is_some_and(|ext| ext == "rs")
-                        {
+                        if event.kind != DebouncedEventKind::Any {
                             return None;
                         }
 
-                        self.exercise_paths
+                        let file_name = event.path.file_name()?.to_str()?.as_bytes();
+
+                        if file_name.len() < 4 {
+                            return None;
+                        }
+                        let (file_name_without_ext, ext) = file_name.split_at(file_name.len() - 3);
+
+                        if ext != b".rs" {
+                            return None;
+                        }
+
+                        self.exercise_names
                             .iter()
-                            .position(|path| event.path.ends_with(path))
+                            .position(|exercise_name| *exercise_name == file_name_without_ext)
                     })
                     .min()
                 else {
-- 
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