fix transi permit file upload

apps/edr-freight-api/src/modules/contracts/phased-clearance.util.ts

@@ -4,6 +4,8 @@ import {
   declarationFileLabel,
   isDeclarationFileCode,
   isImportTransitPermitFileCode,
+  isExportTransportFileCode,
+  exportTransportFileLabel,
   transitPermitFileLabel,
   type ClearanceWorkflowFile,
 } from '@edr/types';
@@ -114,6 +116,50 @@ export async function persistTransitPermitUploads(
   );
 }
 
+/** Require at least one export transport document in the upload batch. */
+export function assertExportTransportFiles(files: Express.Multer.File[]): void {
+  if (files.length === 0) {
+    throw new BadRequestException('No transit permit documents uploaded');
+  }
+}
+
+export function normalizeExportTransportFieldNames(
+  files: Express.Multer.File[],
+): Express.Multer.File[] {
+  return files.map((file, index) => ({
+    ...file,
+    fieldname: `export_transport_document_${index}`,
+  }));
+}
+
+/** Replace all export transport documents on a booking with a new multi-file batch. */
+export async function persistExportTransportUploads(
+  store: DeclarationFileStore,
+  bookingId: string,
+  files: Express.Multer.File[],
+): Promise<void> {
+  const normalized = normalizeExportTransportFieldNames(files);
+  assertExportTransportFiles(normalized);
+
+  const existing = await store.findByResource(bookingId, 'bookings');
+  await Promise.all(
+    existing
+      .filter((f) => f.code && isExportTransportFileCode(f.code))
+      .map((f) => store.deleteByCode(bookingId, 'bookings', f.code!)),
+  );
+
+  await Promise.all(
+    normalized.map((file, index) =>
+      store.upload({
+        resourceId: bookingId,
+        resource: 'bookings',
+        code: `export_transport_document_${index}`,
+        file,
+      }),
+    ),
+  );
+}
+
 export function parseDutyRequiredForm(value: string | boolean | undefined): boolean {
   if (typeof value === 'boolean') return value;
   if (value === undefined || value === '') return false;
@@ -251,5 +297,23 @@ export function buildWorkflowFiles(
     });
   }
 
+  if (tradeDirection === 'EXPORT') {
+    const extraExportTransport = files
+      .filter((f) => f.code && isExportTransportFileCode(f.code) && !included.has(f.code))
+      .sort((a, b) => (a.code ?? '').localeCompare(b.code ?? ''));
+
+    extraExportTransport.forEach((file, index) => {
+      if (!file.code) return;
+      included.add(file.code);
+      out.push({
+        code: file.code,
+        label: exportTransportFileLabel(file.code, index),
+        uploadedBy: 'gl_et',
+        category: 'transit',
+        file: { id: file.id, name: file.name, url: file.url },
+      });
+    });
+  }
+
   return out;
 }