Use dataStartDate for resetDate.

lib/date.js

@@ -26,7 +26,6 @@ import {
   differenceInCalendarMonths,
   differenceInCalendarYears,
   format,
-  parseISO,
 } from 'date-fns';
 import { getDateLocale } from 'lib/lang';
 
@@ -43,6 +42,14 @@ export function parseDateRange(value, locale = 'en-US') {
     return value;
   }
 
+  if (value === 'all') {
+    return {
+      startDate: new Date(0),
+      endDate: new Date(1),
+      value,
+    };
+  }
+
   if (value?.startsWith?.('range')) {
     const [, startAt, endAt] = value.split(':');
 
@@ -148,17 +155,32 @@ export function parseDateRange(value, locale = 'en-US') {
   }
 }
 
-export function getDateRangeValues(startDate, endDate) {
-  let unit = 'year';
-  if (differenceInHours(endDate, startDate) <= 48) {
-    unit = 'hour';
+export function getAllowedUnits(unit) {
+  const units = ['minute', 'hour', 'day', 'month', 'year'];
+
+  return units.splice(units.indexOf(unit));
+}
+
+export function getMinimumUnit(startDate, endDate) {
+  if (differenceInMinutes(endDate, startDate) <= 60) {
+    return 'minute';
+  } else if (differenceInHours(endDate, startDate) <= 48) {
+    return 'hour';
   } else if (differenceInCalendarDays(endDate, startDate) <= 90) {
-    unit = 'day';
+    return 'day';
   } else if (differenceInCalendarMonths(endDate, startDate) <= 24) {
-    unit = 'month';
+    return 'month';
   }
 
-  return { startDate: startOfDay(startDate), endDate: endOfDay(endDate), unit };
+  return 'year';
+}
+
+export function getDateRangeValues(startDate, endDate) {
+  return {
+    startDate: startOfDay(startDate),
+    endDate: endOfDay(endDate),
+    unit: getMinimumUnit(startDate, endDate),
+  };
 }
 
 export function getDateFromString(str) {

lib/query.ts

@@ -1,8 +1,9 @@
 import cache from 'lib/cache';
 import { getWebsite, getSession, getUser } from 'queries';
 import { User, Website, Session } from '@prisma/client';
+import { DEFAULT_RESET_DATE } from './constants';
 
-export async function loadWebsite(websiteId: string): Promise<Website> {
+export async function loadWebsite(websiteId: string): Promise<Website & { dataStartDate: Date }> {
   let website;
 
   if (cache.enabled) {
@@ -11,6 +12,8 @@ export async function loadWebsite(websiteId: string): Promise<Website> {
     website = await getWebsite({ id: websiteId });
   }
 
+  website.dataStartDate = new Date(website?.resetAt || DEFAULT_RESET_DATE);
+
   if (!website || website.deletedAt) {
     return null;
   }