Initial commit

lib/video/manualSubtitles.ts

@@ -0,0 +1,58 @@
+import "server-only";
+import path from "node:path";
+import { rawDb } from "@/lib/db/client";
+
+export interface ManualSubtitle {
+  code: string;
+  partIdx: number;
+  absPath: string;
+  attachedAt: number;
+}
+
+interface ManualSubtitleRow {
+  code: string;
+  part_idx: number;
+  abs_path: string;
+  attached_at: number;
+}
+
+function rowToEntry(r: ManualSubtitleRow): ManualSubtitle {
+  return { code: r.code, partIdx: r.part_idx, absPath: r.abs_path, attachedAt: r.attached_at };
+}
+
+export function listManualSubtitlesForVariant(code: string, partIdx: number): ManualSubtitle[] {
+  const rows = rawDb.prepare(`
+    SELECT code, part_idx, abs_path, attached_at FROM manual_subtitles
+    WHERE code = ? AND part_idx = ?
+    ORDER BY attached_at DESC
+  `).all(code, partIdx) as ManualSubtitleRow[];
+  return rows.map(rowToEntry);
+}
+
+/** True iff this exact abs path is recorded against any (code, part). */
+export function isManualSubtitlePath(abs: string): boolean {
+  const resolved = path.resolve(abs);
+  // Windows paths are case-insensitive on disk but stored as-typed.
+  // Compare with a case-insensitive LIKE on Windows, exact on POSIX.
+  if (process.platform === "win32") {
+    const row = rawDb.prepare(`
+      SELECT 1 FROM manual_subtitles WHERE LOWER(abs_path) = LOWER(?) LIMIT 1
+    `).get(resolved);
+    return !!row;
+  }
+  const row = rawDb.prepare(`SELECT 1 FROM manual_subtitles WHERE abs_path = ? LIMIT 1`).get(resolved);
+  return !!row;
+}
+
+export function attachManualSubtitle(code: string, partIdx: number, absPath: string): void {
+  rawDb.prepare(`
+    INSERT OR REPLACE INTO manual_subtitles (code, part_idx, abs_path, attached_at)
+    VALUES (?, ?, ?, ?)
+  `).run(code, partIdx, path.resolve(absPath), Date.now());
+}
+
+export function detachManualSubtitle(code: string, partIdx: number, absPath: string): void {
+  rawDb.prepare(`
+    DELETE FROM manual_subtitles WHERE code = ? AND part_idx = ? AND abs_path = ?
+  `).run(code, partIdx, path.resolve(absPath));
+}