feat: excel import (#527)

* refactor: simplify excel import

* chore: add external deepmerge utility

* chore: create import map utilities

* chore: increase size limits on uploads

* style: small presentation tweaks

* feat: resolve times on excel import, refs #508

apps/server/src/routes/ontimeRouter.ts

@@ -9,6 +9,7 @@ import {
   getSettings,
   getUserFields,
   getViewSettings,
+  patchPartialProjectFile,
   poll,
   postAliases,
   postNew,
@@ -17,12 +18,14 @@ import {
   postSettings,
   postUserFields,
   postViewSettings,
+  previewExcel,
 } from '../controllers/ontimeController.js';
 
 import {
   validateAliases,
   validateOSC,
   validateOscSubscription,
+  validatePatchProjectFile,
   validateSettings,
   validateUserFields,
   viewValidator,
@@ -40,6 +43,12 @@ router.get('/db', dbDownload);
 // create route between controller and '/ontime/db' endpoint
 router.post('/db', uploadFile, dbUpload);
 
+// create route between controller and '/ontime/excel' endpoint
+router.patch('/db', validatePatchProjectFile, patchPartialProjectFile);
+
+// create route between controller and '/ontime/preview-spreadsheet' endpoint
+router.post('/preview-spreadsheet', uploadFile, previewExcel);
+
 // create route between controller and '/ontime/settings' endpoint
 router.get('/settings', getSettings);