task-p.6 migrate

src/app/api/crm/settings/document-library/[id]/download/route.ts

@@ -0,0 +1,37 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { downloadActiveDocumentLibraryVersion } from '@/features/foundation/document-library/server/service';
+import { PERMISSIONS } from '@/lib/auth/rbac';
+import { AuthError, requireOrganizationAccess } from '@/lib/auth/session';
+
+type Params = { params: Promise<{ id: string }> };
+
+export async function GET(_request: NextRequest, { params }: Params) {
+  try {
+    const { id } = await params;
+    const { organization, session } = await requireOrganizationAccess({
+      permission: PERMISSIONS.crmDocumentLibraryDownload
+    });
+
+    const { object } = await downloadActiveDocumentLibraryVersion({
+      libraryId: id,
+      organizationId: organization.id,
+      userId: session.user.id
+    });
+
+    return new NextResponse(object.body, {
+      headers: {
+        'Content-Type': object.contentType,
+        'Content-Disposition': `attachment; filename="${object.fileName}"`
+      }
+    });
+  } catch (error) {
+    if (error instanceof AuthError) {
+      return NextResponse.json({ message: error.message }, { status: error.status });
+    }
+
+    return NextResponse.json(
+      { message: 'Unable to download active document version' },
+      { status: 500 }
+    );
+  }
+}