by id routing

src/routes/blog/[title]/index.tsx

@@ -35,16 +35,52 @@ const getPostByTitle = query(
     const userID = await getUserID(event.nativeEvent);
     const conn = ConnectionFactory();
 
-    let query;
-    //TODO: get id from url param instead of title param
-    //
-    if (title == "by-id") {
-      const [searchParams, setSearchParams] = useSearchParams();
+    // Handle by-id route: lookup post by ID and redirect to title-based URL
+    if (title === "by-id") {
+      const url = new URL(event.request.url);
+      const id = url.searchParams.get("id");
 
-      query = "SELECT * FROM Post WHERE id = ?";
-    } else {
-      query = "SELECT * FROM Post WHERE title = ?";
+      if (!id) {
+        return {
+          post: null,
+          exists: false,
+          comments: [],
+          likes: [],
+          tags: [],
+          userCommentArray: [],
+          reactionArray: [],
+          privilegeLevel: "anonymous" as const,
+          userID: null
+        };
       }
+
+      const idQuery = "SELECT title FROM Post WHERE id = ?";
+      const idResult = await conn.execute({
+        sql: idQuery,
+        args: [id]
+      });
+
+      const postData = idResult.rows[0] as any;
+      if (postData?.title) {
+        return {
+          redirect: `/blog/${encodeURIComponent(postData.title)}${sortBy !== "newest" ? `?sortBy=${sortBy}` : ""}`
+        };
+      }
+
+      return {
+        post: null,
+        exists: false,
+        comments: [],
+        likes: [],
+        tags: [],
+        userCommentArray: [],
+        reactionArray: [],
+        privilegeLevel: "anonymous" as const,
+        userID: null
+      };
+    }
+
+    let query = "SELECT * FROM Post WHERE title = ?";
     if (privilegeLevel !== "admin") {
       query += ` AND published = TRUE`;
     }
@@ -264,7 +300,13 @@ export default function PostPage() {
   return (
     <>
       <Show when={data()} fallback={<TerminalSplash />}>
-        {(loadedData) => (
+        {(loadedData) => {
+          // Handle redirect for by-id route
+          if ("redirect" in loadedData()) {
+            return <Navigate href={(loadedData() as any).redirect} />;
+          }
+
+          return (
             <Show when={loadedData().post} fallback={<Navigate href="/404" />}>
               {(p) => {
                 const postData = loadedData();
@@ -434,7 +476,8 @@ export default function PostPage() {
                 );
               }}
             </Show>
-        )}
+          );
+        }}
       </Show>
     </>
   );