add freeze feature to rundown (#1106)

* add frozen flag to runtime store

* add middleware for when frozen

* prevent rundown editing when frozen

* add endpoint to router to set frozen state

* add frozen property to rundown placeholder in client

apps/server/src/api-data/rundown/rundown.controller.ts

@@ -12,6 +12,7 @@ import {
   deleteEvent,
   editEvent,
   reorderEvent,
+  setFrozenState,
   swapEvents,
 } from '../../services/rundown-service/RundownService.js';
 import {
@@ -114,6 +115,17 @@ export async function rundownBatchPut(req: Request, res: Response<MessageRespons
   }
 }
 
+export async function rundownFrozenPost(req: Request, res: Response<MessageResponse | ErrorResponse>) {
+  try {
+    const { frozen } = req.body;
+    setFrozenState(frozen);
+    res.status(200).send({ message: 'Rundown frozen state updated.' });
+  } catch (error) {
+    const message = getErrorMessage(error);
+    res.status(400).send({ message });
+  }
+}
+
 export async function rundownReorder(req: Request, res: Response<OntimeRundownEntry | ErrorResponse>) {
   if (failEmptyObjects(req.body, res)) {
     return;