refactor: restructure model to contain an object of rundowns

apps/client/src/common/utils/__tests__/csv.test.ts

@@ -1,4 +1,6 @@
-import { makeCSVFromArrayOfArrays } from '../csv';
+import { OntimeEntry, ProjectRundowns, Rundown } from 'ontime-types';
+
+import { aggregateRundowns, makeCSVFromArrayOfArrays } from '../csv';
 
 describe('makeCSVFromArrayOfArrays()', () => {
   it('joins an array of arrays with commas and newlines', () => {
@@ -11,3 +13,32 @@ after newline,after comma
 `);
   });
 });
+
+describe('aggregateRundowns()', () => {
+  it('flattens an object of rundowns into a single array', () => {
+    const rundowns = {
+      first: {
+        id: '',
+        title: '',
+        revision: 0,
+        order: ['1', '2'],
+        entries: {
+          '1': { id: '1' } as OntimeEntry,
+          '2': { id: '2' } as OntimeEntry,
+        },
+      },
+      second: {
+        id: '',
+        title: '',
+        revision: 0,
+        order: ['3', '4'],
+        entries: {
+          '3': { id: '3' } as OntimeEntry,
+          '4': { id: '4' } as OntimeEntry,
+        },
+      } as Rundown,
+    } as ProjectRundowns;
+
+    expect(aggregateRundowns(rundowns)).toStrictEqual([{ id: '1' }, { id: '2' }, { id: '3' }, { id: '4' }]);
+  });
+});