immich-folio/app/api/admin/albums/[albumId]/assets/route.ts

/**
 * Admin API: assets of a specific album, for the hero image picker and the
 * manual sort editor.
 */

import { NextRequest, NextResponse } from 'next/server';
import { withAdmin } from '@/lib/admin/withAdmin';
import { getConfig } from '@/lib/config';
import { immich } from '@/lib/immich';
import { isUuid } from '@/lib/uuid';

export const GET = withAdmin(
  async (request: NextRequest, { params }: { params: Promise<{ albumId: string }> }) => {
    const config = getConfig();
    // Credentials, not `needsSetup`: this route is how the operator picks the
    // albums that gallery.yaml is built from, so refusing to run until that file
    // exists is a deadlock (#507).
    if (config.needsCredentials) {
      return NextResponse.json({ error: 'Immich not configured' }, { status: 503 });
    }

    const { albumId } = await params;

    // Without this, `..%2f..%2fusers` resolves inside fetch() to an arbitrary
    // Immich endpoint, called with the server's API key.
    if (!isUuid(albumId)) {
      return NextResponse.json({ error: 'Invalid album ID' }, { status: 400 });
    }

    // Videos are opt-in. The hero picker feeds imageUrl()/assetPlaceholder and
    // wants images only; the sort editor must show everything the public grid
    // renders, or a video could never be pinned and would always fall to the tail.
    const includeVideos = request.nextUrl.searchParams.get('types') === 'all';

    try {
      // Via the client, not a bare fetch of `GET /albums/:id`: Immich 3.x no
      // longer embeds assets in that response, so reading `album.assets` returned
      // nothing (and threw outright when the key was absent). getAlbumAssetsRaw()
      // pages through the metadata search and applies the album's own order, so
      // this list matches what the site renders under `sort: immich`. Fresh,
      // not cached: the editors must show the album as Immich has it now.
      const all = await immich.getAlbumAssetsRaw(albumId, true);

      const assets = all
        .filter((a) => a.type === 'IMAGE' || (includeVideos && a.type === 'VIDEO'))
        .map((a) => ({
          id: a.id,
          type: a.type,
          originalFileName: a.originalFileName,
          fileCreatedAt: a.fileCreatedAt,
          isFavorite: a.isFavorite ?? false,
        }));

      return NextResponse.json({ assets, nextPage: null });
    } catch (err) {
      console.error('Failed to fetch album assets:', err);
      return NextResponse.json({ error: 'Failed to fetch album assets' }, { status: 500 });
    }
  },
);