v3: added comment likes, added votes/likes list view, added db migrations mechanism, updated project dependencies

api/services/notification-service.ts

@@ -306,6 +306,38 @@ export function notifyDumpOwnerNewComment(
   );
 }
 
+export function notifyCommentOwnerLike(
+  likerId: string,
+  commentId: string,
+): void {
+  const likerRow = db.prepare(
+    `SELECT username FROM users WHERE id = ?;`,
+  ).get(likerId) as { username: string } | undefined;
+
+  const commentRow = db.prepare(
+    `SELECT c.user_id, c.dump_id, d.title as dump_title
+     FROM comments c JOIN dumps d ON c.dump_id = d.id WHERE c.id = ?;`,
+  ).get(commentId) as
+    | { user_id: string; dump_id: string; dump_title: string }
+    | undefined;
+
+  if (!likerRow || !commentRow) return;
+  if (likerId === commentRow.user_id) return; // no self-notification
+
+  createNotification(
+    commentRow.user_id,
+    "comment_liked",
+    {
+      likerId,
+      likerUsername: likerRow.username,
+      commentId,
+      dumpId: commentRow.dump_id,
+      dumpTitle: commentRow.dump_title,
+    },
+    `like:${commentId}:${likerId}`,
+  );
+}
+
 export function notifyPlaylistFollowersNewDump(
   playlistId: string,
   playlistTitle: string,