Add a convert from URL server side rendered route

src/app/api/native/convert-http/route.ts

@@ -0,0 +1,61 @@
+// src/app/api/native/convert-http/route.ts
+'use server';
+
+import { NextResponse } from 'next/server';
+
+interface ConvertHttpRequestBody {
+  options?: {
+    from_formats?: string[];
+    to_formats?: string[];
+    image_export_mode?: string;
+    table_mode?: string;
+    abort_on_error?: boolean;
+    return_as_file?: boolean;
+    do_table_structure?: boolean;
+    include_images?: boolean;
+  };
+  http_sources: { url: string }[];
+}
+
+// convert a doc from a URL (provided via http_sources) to Markdown.
+export async function POST(request: Request) {
+  try {
+    const body: ConvertHttpRequestBody = await request.json();
+    const baseUrl = process.env.IL_FILE_CONVERSION_SERVICE || 'http://doclingserve:5001';
+    const healthRes = await fetch(`${baseUrl}/health`);
+    if (!healthRes.ok) {
+      console.error('The file conversion service is offline or returned non-OK status:', healthRes.status, healthRes.statusText);
+      return NextResponse.json({ error: 'Conversion service is offline, only markdown files accepted.' }, { status: 503 });
+    }
+
+    const healthData = await healthRes.json();
+    if (!healthData.status || healthData.status !== 'ok') {
+      console.error('Conversion service health check response not "ok":', healthData);
+      return NextResponse.json({ error: 'Conversion service is offline, only markdown files accepted.' }, { status: 503 });
+    }
+
+    const res = await fetch(`${baseUrl}/v1alpha/convert/source`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(body)
+    });
+
+    if (!res.ok) {
+      console.error('Conversion service responded with error', res.status, res.statusText);
+      return NextResponse.json({ error: `Conversion service call failed. ${res.statusText}` }, { status: 500 });
+    }
+
+    const data = await res.json();
+
+    // Return the markdown wrapped in JSON for the client to parse
+    return NextResponse.json({ content: data }, { status: 200 });
+  } catch (error: unknown) {
+    if (error instanceof Error) {
+      console.error('Error during URL conversion route call:', error);
+      return NextResponse.json({ error: 'URL conversion failed.', message: error.message }, { status: 500 });
+    } else {
+      console.error('Unknown error during conversion route call:', error);
+      return NextResponse.json({ error: 'Conversion failed due to an unknown error.' }, { status: 500 });
+    }
+  }
+}