player filters! favourites! stats!

also, small fixes/improvements, new ryuji feature: "if in array", "if not in array"

build.ts

@@ -9,6 +9,10 @@ import _host_info from './host_info.json';
 interface Listing {
   name: string;
   type: "anime" | "manga" | "music";
+  favourites: {
+    listing: boolean; //whether to mark entire listing as favourite
+    chapters: string[]; //favourite chapters
+  }; //marked as not optional here, but in the actual host_info.json file, it is optional
 }
 
 interface DirectoryVars {
@@ -33,10 +37,23 @@ interface MangaVars {
   prev_chapter?: string | boolean;
 }
 
-const listings: Listing[] = _host_info.listings.filter((listing: any): listing is Listing => typeof listing.name === "string" && (listing?.type === "anime" || listing?.type === "manga" || listing?.type === "music"));
+const listings: Listing[] = _host_info.listings.map(
+  (listing: any) =>
+    //add empty "favourites" if not present in the json
+    listing.favourites ? listing : {
+      ...listing,
+      favourites: {
+        listing: false,
+        chapters: []
+      }
+    }
+).filter(
+  (listing: any): listing is Listing =>
+    typeof listing.name === "string" && (listing?.type === "anime" || listing?.type === "manga" || listing?.type === "music")
+);
 
 let renderer: Renderer = new Renderer("templates", "components");
-let builder: Builder = new Builder("/build");;
+let builder: Builder = new Builder("/build");
 
 //static page
 builder.serve_static_folder("static");
@@ -60,6 +77,7 @@ let music_serve_paths: string[] = [];
 let music_vars: MusicVars[] = [];
 
 let songs: string[] = [];
+let manga_pages_count: number = 0;
 
 for (let i = 0; i < listings.length; i++) {
   const listing: Listing = listings[i];
@@ -85,6 +103,7 @@ for (let i = 0; i < listings.length; i++) {
       const chapter: string = chapters[j];
       manga_serve_paths.push(`/${listing.type}/${listing.name}/${chapter}`);
       const images: string[] = readdirSync(path.join(__dirname, `/static_assets/${listing.type}_assets/${listing.name}/${chapter}`), { withFileTypes: true }).map((d) => d.name);
+      manga_pages_count += images.length;
       manga_vars.push({
         listing,
         chapter,
@@ -113,13 +132,34 @@ builder.serve_templates(renderer, anime_serve_paths, "anime", anime_vars);
 builder.serve_templates(renderer, manga_serve_paths, "manga", manga_vars);
 builder.serve_templates(renderer, music_serve_paths, "music", music_vars);
 
+builder.serve_template(renderer, "/stats", "stats", {
+  manga_series_count: listings.filter((l) => l.type === "manga").length,
+  manga_chapters_count: manga_serve_paths.length,
+  manga_pages_count,
+  anime_series_count: listings.filter((l) => l.type === "anime").length,
+  anime_episodes_count: anime_serve_paths.length,
+  artists_count: listings.filter((l) => l.type === "music").length,
+  songs_count: songs.length,
+});
+
 builder.serve_template(renderer, "/player", "player", {
   songs,
   artists: listings.filter((l) => l.type === "music").map(
     (l) => (
       {
         name: l.name,
-        songs: songs.filter((s) => s.startsWith(`${l.name}/`)).map((song) => song.slice(`${l.name}/`.length)),
+        sanitized_name: l.name.replaceAll("\"", "\\\""),
+        songs: songs.filter((s) => s.startsWith(`${l.name}/`)).map(
+          (song) => (
+            {
+              name: song.slice(`${l.name}/`.length),
+              //I don't think " can be in file names... but just in case
+              sanitized_name: song.slice(`${l.name}/`.length).replaceAll("\"", "\\\""),
+              favourite: l.favourites.chapters.includes(song.slice(`${l.name}/`.length)),
+            }
+          )
+        ),
+        favourite: l.favourites.listing,
       }
     )
   ),