Removed outdated zims automatically

src/manager.js

@@ -24,6 +24,10 @@ export class ZimManager {
 		this.#server = server ?? new KiwixServer(dir, {port, host, binDir, url});
 	}
 
+	#stripDate(filename) {
+		return filename.replace(/\.zim$/i, '').replace(/_\d{4}-\d{2}(?:_\d+)?$/, '');
+	}
+
 	/** The KiwixServer backing this manager - reuse it directly for content/search access, or pass into another ZimManager. */
 	get server() { return this.#server; }
 
@@ -93,11 +97,12 @@ export class ZimManager {
 		const {url: finalUrl} = await this.#resolveUrl(href);
 		const filename = path.basename(new URL(finalUrl).pathname).replace(/\.meta4$/i, '');
 		await fs.promises.mkdir(this.#dir, {recursive: true});
-		const name = filename.replace(/\.zim$/i, '').replace(/_\d{4}-\d{2}(?:_\d+)?$/, '');
-
 		const local = await this.list();
-		const localMatch = local.find(l => l.name === name) ?? null;
-		const catalogEntry = await zimCatalogInfo(name, this.#catalogUrl) || {name, updated: null, href: href};
+		const exact = local.find(l => l.file === filename);
+		if (exact && !force) return {name: exact.name ?? this.#stripDate(filename), status: 'skipped', reason: 'already downloaded', file: filename};
+		const name = this.#stripDate(filename);
+		const localMatch = local.find(l => this.#stripDate(l.file) === name) ?? null;
+		const catalogEntry = await zimCatalogInfo(name, this.#catalogUrl) || {name, updated: null, href};
 		return this.#update(name, catalogEntry, localMatch, force);
 	}