bookmark cleaning up

src/download.rs

@@ -38,7 +38,7 @@ pub(crate) fn update_podcast(
 ) -> anyhow::Result<()> {
 
     if source.skip_download() {
-        println!(r#"[info] skipping download for "{}""#, alias);
+        println!(r#"[info] skipping "{}""#, alias);
         return Ok(())
     }
 
@@ -49,7 +49,7 @@ pub(crate) fn update_podcast(
             .context(format!("failed to create output directory for podcast {}", alias))?;
     }
 
-    println!(r#"[info] scanning feed for "{}""#, alias);
+    println!(r#"[info] scanning "{}""#, alias);
 
     match source.source() {
         input::SourceKind::Url(feed_url) => {

src/folders.rs

@@ -6,10 +6,17 @@ pub(crate) const SPEC_FILE: &str = "spec.toml";
 pub(crate) const LOCAL_PODCASTS_DIR: &str = "podcasts";
 pub(crate) const LOCAL_PLAYLISTS_DIR: &str = "playlists";
 
-pub(crate) const IPOD_PODCASTS_DIR: &str = "Podcasts";
+pub(crate) const IPOD_PODCASTS_DIR: &str = "/Podcasts";
 
-pub(crate) const LISTENED_PLAYLIST_PATH: &str = "[PC] (Listened).m3u";
-pub(crate) const MASTER_PLAYLIST_PATH: &str = "[PC] (Master Feed).m3u";
+
+macro_rules! playlist_ext { () => {"m3u8"}; }
+pub(crate) const PLAYLIST_EXT: &str = playlist_ext!();
+macro_rules! bookmark_ext { () => {"bmark"}; }
+pub(crate) const BOOKMARK_EXT: &str = bookmark_ext!();
+pub(crate) const PLAYLIST_BOOKMARK_EXT: &str = concat!(playlist_ext!(), ".", bookmark_ext!());
+
+pub(crate) const LISTENED_PLAYLIST_PATH: &str = concat!("[PC] (Listened).", playlist_ext!());
+pub(crate) const MASTER_PLAYLIST_PATH: &str = concat!("[PC] (Master Feed).", playlist_ext!());
 pub(crate) const MASTER_PLAYLIST_NAME: &str = "[PC] (Master Feed)";
 
 pub(crate) const PLAYLIST_PREFIX: &str = "[PC]";

src/playlist.rs

@@ -51,7 +51,7 @@ impl<'a> Playlist<'a> {
                 .context("failed to create output directory for playlists")?;
         }
         let mut path = playlists_folder.join(sanitise(name));
-        path.set_extension("m3u");
+        path.set_extension(folders::PLAYLIST_EXT);
 
         // If the playlist is empty, then don't write it,
         // and delete the existing one if it exists.
@@ -106,9 +106,7 @@ impl<'a> Playlist<'a> {
         });
 
         match self.files.get_mut(&published) {
-            Some(existing) => {
-                existing.push(entry)
-            },
+            Some(existing) => existing.push(entry),
             None => {
                 self.files.insert(
                     published,

src/sync.rs

@@ -212,7 +212,6 @@ pub(crate) fn sync(
         // || fs::read(&target)? != fs::read(&source)? {
             println!("[info] copying playlist {:?}.", source.file_name().unwrap());
             fs::copy(source, target)?;
-
         }
     }
 
@@ -229,11 +228,63 @@ pub(crate) fn sync(
         // - have not been copied on checked to be up to date,
         // - is not the listened folder (which is special).
         if file_stem.starts_with(folders::PLAYLIST_PREFIX)
-        && extension == "m3u"
+        && extension == folders::PLAYLIST_EXT
         && !acknowledged.contains(&target)
         && file_name != folders::LISTENED_PLAYLIST_PATH {
             println!("[info] unsyncing playlist file {:?}", file_name);
+            // Delete the playlist file
             fs::remove_file(&target)?;
+
+            // Delete the bookmark file as well
+            let mut bookmark = target.clone();
+            bookmark.set_extension(folders::PLAYLIST_BOOKMARK_EXT);
+            fs::remove_file(&bookmark)?;
+        }
+    }
+
+    // We remove any entries from bookmarks which no longer exist in the playlist
+    for target in fs::read_dir(target_dir.join(folders::LOCAL_PLAYLISTS_DIR))? {
+        let target = target?.path();
+        let file_stem = target.file_stem().unwrap().to_str().unwrap();
+        let extension = target.extension().unwrap().to_str().unwrap();
+
+        if file_stem.starts_with(folders::PLAYLIST_PREFIX)
+        && extension == folders::BOOKMARK_EXT {
+            let mut playlist_path = target.clone();
+            playlist_path.set_extension("");
+
+            if playlist_path.is_file() {
+                // Create a btreeset of all files in the playlist
+                let mut playlist = BTreeSet::new();
+                let playlist_file = fs::read_to_string(playlist_path)?;
+                for line in playlist_file.lines() {
+                    playlist.insert(line);
+                }
+
+                let bookmark_path = target;
+
+                let bookmark = fs::read_to_string(&bookmark_path)?;
+                // Filter out entries from the bookmark which do not
+                // exist in the playlist
+                let mut new_bookmark = bookmark.lines().filter(|line| {
+                    line.split(';').last().is_some_and(|file| playlist.contains(file))
+                }).fold(String::new(), |mut string, line| {
+                    string.push_str(line);
+                    string.push('\n');
+                    string
+                });
+
+                if new_bookmark.ends_with('\n') {
+                    new_bookmark.pop();
+                }
+
+                // Update the bookmark file if it has changed
+                if new_bookmark.trim() != bookmark.trim() {
+                    let file_name = bookmark_path.file_name().unwrap().to_str().unwrap();
+                    println!("[info] trimming bookmark file {:?}", file_name);
+                    fs::write(bookmark_path, new_bookmark)?;
+                }
+            }
         }
     }