Add basic local api wrapper

src/helpers/findEventsOnDay.ts

@@ -0,0 +1,25 @@
+import { PaginatedDocs } from 'payload/dist/mongoose/types';
+import { Payload } from 'payload';
+
+export default function findEventsOnDay(payload: Payload, day: string): Promise<PaginatedDocs> {
+	const startOfDate = new Date(day).setUTCHours(0, 0, 0, 0);
+	const endOfDate = new Date(day).setUTCHours(23, 59, 59, 999);
+
+	return payload.find({
+		collection: 'events',
+		where: {
+			and: [
+				{
+					startTime: {
+						greater_than_equal: startOfDate
+					}
+				},
+				{
+					startTime: {
+						less_than_equal: endOfDate
+					}
+				}
+			]
+		}
+	});
+}