Allow camera capabilities to be configured.

src/camera-manager/utils/range-to-cache-friendly.ts

@@ -0,0 +1,35 @@
+import endOfDay from 'date-fns/endOfDay';
+import endOfHour from 'date-fns/endOfHour';
+import endOfMinute from 'date-fns/endOfMinute';
+import startOfDay from 'date-fns/startOfDay';
+import startOfHour from 'date-fns/startOfHour';
+import { DateRange } from '../range';
+import { capEndDate } from './cap-end-date';
+
+export const convertRangeToCacheFriendlyTimes = (
+  range: DateRange,
+  options?: {
+    endCap?: boolean;
+  },
+): DateRange => {
+  const widthSeconds = (range.end.getTime() - range.start.getTime()) / 1000;
+  let cacheableStart: Date;
+  let cacheableEnd: Date;
+
+  if (widthSeconds <= 60 * 60) {
+    cacheableStart = startOfHour(range.start);
+    cacheableEnd = endOfHour(range.end);
+  } else {
+    cacheableStart = startOfDay(range.start);
+    cacheableEnd = endOfDay(range.end);
+  }
+
+  if (options?.endCap) {
+    cacheableEnd = endOfMinute(capEndDate(cacheableEnd));
+  }
+
+  return {
+    start: cacheableStart,
+    end: cacheableEnd,
+  };
+};