use a getDefaultDateRange() util

packages/lib-user/dev/components/App/App.js

@@ -13,21 +13,24 @@ import {
   UserHome,
   UserStats
 } from '@components'
+import { getDefaultDateRange, getStatsDateString } from '../../../src/utils'
 
 const isBrowser = typeof window !== 'undefined'
-const todayUTC = new Date().toISOString().substring(0, 10)
-const sevenDaysAgoUTC = new Date(new Date().setDate(new Date().getDate() - 6)).toISOString().substring(0, 10)
+const today = new Date()
+const todayUTC = getStatsDateString(today)
 
 if (isBrowser) {
   auth.checkCurrent()
 }
 
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
+
 function App({
-  endDate = todayUTC,
+  endDate = DEFAULT_DATE_RANGE.endDate,
   groups = null,
   joinToken = null,
   projectId = undefined,
-  startDate = sevenDaysAgoUTC,
+  startDate = DEFAULT_DATE_RANGE.startDate,
   updateQueryParams = () => true,
   users = null
 }) {

packages/lib-user/src/components/Certificate/Certificate.js

@@ -10,6 +10,7 @@ import {
 } from '@components/shared'
 
 import { formatDateRange } from './helpers/formatDateRange'
+import { getDefaultDateRange } from '@utils'
 
 const PrintableBox = styled(Box)`
   font-size: 16px;
@@ -57,10 +58,7 @@ const PrintableBox = styled(Box)`
   }
 `
 
-const DEFAULT_DATE_RANGE = {
-  endDate: undefined,
-  startDate: undefined
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 
 function handleClickPrint() {
   window.print()

packages/lib-user/src/components/Certificate/CertificateContainer.js

@@ -10,15 +10,13 @@ import {
 
 import {
   convertStatsSecondsToHours,
-  getDateInterval
+  getDateInterval,
+  getDefaultDateRange
 } from '@utils'
 
 import Certificate from './Certificate'
 
-const DEFAULT_DATE_RANGE = {
-  endDate: null,
-  startDate: null
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 const STATS_ENDPOINT = '/classifications/users'
 
 function CertificateContainer({
@@ -52,7 +50,7 @@ function CertificateContainer({
   } else {
     statsQuery.project_id = parseInt(selectedProject)
   }
-  
+
   const {
     data: stats,
     error: statsError,
@@ -71,7 +69,7 @@ function CertificateContainer({
     cards: true,
     id: selectedProject
   })
-  
+
   const error = userError || statsError || projectsError
   const hours = convertStatsSecondsToHours(stats?.time_spent) || 0
   const loading = userLoading || statsLoading || projectsLoading

packages/lib-user/src/components/GroupStats/GroupStatsContainer.js

@@ -3,13 +3,11 @@
 import { bool, func, shape, string } from 'prop-types'
 
 import { GroupContainer } from '@components/shared'
+import { getDefaultDateRange } from '../../utils'
 
 import GroupStats from './GroupStats'
 
-const DEFAULT_DATE_RANGE = {
-  endDate: undefined,
-  startDate: undefined
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 const DEFAULT_HANDLER = () => true
 
 function GroupStatsContainer({

packages/lib-user/src/components/UserHome/components/Dashboard/components/StatsTabs/StatsTabsContainer.js

@@ -3,6 +3,7 @@ import { shape, string } from 'prop-types'
 import { useStats } from '@hooks'
 import {
   getDateInterval,
+  getDefaultDateRange,
   getStatsDateString
 } from '@utils'
 import StatsTabs from './StatsTabs'
@@ -20,25 +21,19 @@ const formatStatsPreview = (thisWeekData, allTimeData) => {
   }
 }
 
+const DEFAULT_DATE_RANGE = getDefaultDateRange() // last 7 days
+
 export default function StatsTabsContainer({ user }) {
-  const today = new Date()
-  const todayUTC = getStatsDateString(today)
-
-  const thisWeekStart = new Date()
-  thisWeekStart.setUTCDate(today.getUTCDate() - 6)
-  const thisWeekQuery = getDateInterval({
-    endDate: todayUTC,
-    startDate: getStatsDateString(thisWeekStart)
-  })
+  const thisWeekQuery = getDateInterval(DEFAULT_DATE_RANGE)
   thisWeekQuery.project_contributions = true
   const { data: thisWeekData } = useStats({
     sourceId: user?.id,
     query: thisWeekQuery
   })
 
   const allTimeQuery = getDateInterval({
-    endDate: todayUTC,
-    startDate: getStatsDateString(user?.created_at)
+    endDate: getStatsDateString(new Date()), // Today's UTC date string like 24-09-23.
+    startDate: getStatsDateString(user?.created_at) // Limit stats range to when the user acccount was created in panoptes.
   })
   allTimeQuery.project_contributions = true
   const { data: allTimeData } = useStats({

packages/lib-user/src/components/UserStats/UserStatsContainer.js

@@ -9,15 +9,13 @@ import {
 } from '@hooks'
 
 import {
-  getDateInterval
+  getDateInterval,
+  getDefaultDateRange
 } from '@utils'
 
 import UserStats from './UserStats'
 
-const DEFAULT_DATE_RANGE = {
-  endDate: undefined,
-  startDate: undefined
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 const DEFAULT_HANDLER = () => true
 const STATS_ENDPOINT = '/classifications/users'
 
@@ -40,12 +38,12 @@ function UserStatsContainer({
     login,
     requiredUserProperty: 'created_at'
   })
-  
+
   // fetch all projects stats, used by projects select and top projects regardless of selected project
   const allProjectsStatsQuery = getDateInterval(selectedDateRange)
   allProjectsStatsQuery.project_contributions = true
   allProjectsStatsQuery.time_spent = true
-  
+
   const {
     data: allProjectsStats,
     error: statsError,
@@ -55,12 +53,12 @@ function UserStatsContainer({
     sourceId: paramsValidationMessage ? null : user?.id,
     query: allProjectsStatsQuery
   })
-  
+
   // fetch individual project stats
   const projectStatsQuery = getDateInterval(selectedDateRange)
   projectStatsQuery.project_id = parseInt(selectedProject)
   projectStatsQuery.time_spent = true
-  
+
   const {
     data: projectStats,
     error: projectStatsError,
@@ -70,10 +68,10 @@ function UserStatsContainer({
     sourceId: selectedProject ? user?.id : null,
     query: projectStatsQuery
   })
-  
+
   // fetch projects
   const projectIds = allProjectsStats?.project_contributions?.map(project => project.project_id)
-  
+
   const {
     data: projects,
     error: projectsError,

packages/lib-user/src/components/shared/MainContent/MainContent.js

@@ -2,9 +2,11 @@ import { Loader, MovableModal, SpacedText } from '@zooniverse/react-components'
 import { Anchor, Box, Calendar, ResponsiveContext, Text } from 'grommet'
 import { arrayOf, bool, func, number, shape, string } from 'prop-types'
 import { useCallback, useContext, useEffect, useState } from 'react'
+import Link from 'next/link'
 
 import {
   convertStatsSecondsToHours,
+  getDefaultDateRange,
   getStatsDateString
 } from '@utils'
 
@@ -22,13 +24,10 @@ import {
   StyledTab
 } from './components'
 import { getDateRangeSelectOptions, getProjectSelectOptions } from './helpers'
-import Link from 'next/link'
+
 
 const DEFAULT_HANDLER = () => true
-const DEFAULT_DATE_RANGE = {
-  endDate: null,
-  startDate: null
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 const DEFAULT_STATS = {
   data: [],
   time_spent: 0,
@@ -67,7 +66,7 @@ function MainContent({
   const size = useContext(ResponsiveContext)
 
   const hoursSpent = convertStatsSecondsToHours(stats?.time_spent)
-  
+
   const noStats = !stats?.data?.length
 
   const sourceCreatedAtDate = getStatsDateString(source?.created_at)

packages/lib-user/src/components/shared/MainContent/helpers/getDateRangeSelectOptions.js

@@ -1,5 +1,6 @@
 import {
-  getStatsDateString
+  getStatsDateString,
+  getDefaultDateRange
 } from '@utils'
 
 import { formatSelectOptionDateLabel } from './formatSelectOptionDateLabel'
@@ -41,10 +42,7 @@ function getPresetSelectOptions({ sourceCreatedAtDate, today }) {
   ]
 }
 
-const DEFAULT_DATE_RANGE = {
-  endDate: getStatsDateString(new Date()),
-  startDate: getStatsDateString(new Date(new Date().setUTCDate(new Date().getUTCDate() - 6)))
-}
+const DEFAULT_DATE_RANGE = getDefaultDateRange()
 
 export function getDateRangeSelectOptions({
   sourceCreatedAtDate = '',
@@ -53,14 +51,14 @@ export function getDateRangeSelectOptions({
 }) {
   const today = new Date()
   const todayUTC = getStatsDateString(today)
-  
+
   const dateRangeOptions = getPresetSelectOptions({ sourceCreatedAtDate, today })
-  
+
   let selectedDateRangeOption = dateRangeOptions.find(option =>
     (selectedDateRange.endDate === todayUTC) &&
     (option.value === selectedDateRange.startDate)
   )
-  
+
   if (!selectedDateRangeOption && !paramsValidationMessage) {
     const customDateRangeOption = {
       label: `${formatSelectOptionDateLabel(selectedDateRange)}`,
@@ -74,6 +72,6 @@ export function getDateRangeSelectOptions({
       value: 'custom'
     })
   }
-  
+
   return { dateRangeOptions, selectedDateRangeOption }
 }

packages/lib-user/src/utils/getDateInterval.js

@@ -1,42 +1,29 @@
-import { getStatsDateString } from '@utils'
-
-export function getDateInterval({ endDate, startDate }) {
-  const today = new Date()
-  const todayUTC = getStatsDateString(today)
-  const end_date = endDate ? endDate : todayUTC
-  const defaultStartDate = new Date()
-  defaultStartDate.setUTCDate(today.getUTCDate() - 6)
-  const start_date = startDate ? startDate : getStatsDateString(defaultStartDate)
-
-  const differenceInDays = (new Date(end_date) - new Date(start_date)) / (1000 * 60 * 60 * 24)
-
+/*
+  ERAS accepts queries in time interval "buckets" of day, week, month, or year.
+*/
+function getInterval(differenceInDays) {
   if (differenceInDays <= 31) {
-    return {
-      end_date,
-      period: 'day',
-      start_date
-    }
+    return 'day'
   }
 
   if (differenceInDays <= 183) {
-    return {
-      end_date,
-      period: 'week',
-      start_date
-    }
+    return 'week'
   }
 
   if (differenceInDays <= 1460) {
-    return {
-      end_date,
-      period: 'month',
-      start_date
-    }
+    return 'month'
   }
 
+  return 'year'
+}
+
+export function getDateInterval({ endDate, startDate }) {
+  // Get new Date timestamps based on UTC strings, and then convert from ms to days.
+  const differenceInDays = (new Date(endDate) - new Date(startDate)) / (1000 * 60 * 60 * 24)
+
   return {
-    end_date,
-    period: 'year',
-    start_date
-  }  
+    end_date: endDate,
+    period: getInterval(differenceInDays),
+    start_date: startDate
+  }
 }

packages/lib-user/src/utils/getDefaultDateRange.js

@@ -0,0 +1,36 @@
+import { getStatsDateString } from '@utils'
+
+/*
+  Get the default end date (UTC) for stats query
+*/
+function getDefaultEndDate() {
+  // Construct a new Javascript Date object
+  const today = new Date()
+
+  // .toISOString() in this function returns a UTC string like 2024-05-05
+  return getStatsDateString(today)
+}
+
+/*
+  Get the default start date (UTC) for stats query
+*/
+function getDefaultStartDate() {
+  // Construct a new Javascript Date object
+  const defaultStartDate = new Date()
+
+  // .getUTCDate() returns numeric day of the month (UTC).
+  // If a negative number is provided to .setUTCDate(), the date will be
+  // set counting backwards from the last day of the previous month.
+  const sevenDaysAgo = defaultStartDate.getUTCDate() - 6
+  defaultStartDate.setUTCDate(sevenDaysAgo)
+
+  // .toISOString() in this function returns a UTC string
+  return getStatsDateString(defaultStartDate)
+}
+
+export function getDefaultDateRange() {
+  return {
+    endDate: getDefaultEndDate(),
+    startDate: getDefaultStartDate()
+  }
+}

packages/lib-user/src/utils/getStatsDateString.js

@@ -1,6 +1,10 @@
+/*
+  Stats dates are always handled in UTC strings such as 24-09-23.
+*/
+
 export function getStatsDateString(date) {
   if (date instanceof Date) {
-    return date.toISOString().substring(0, 10)
+    return date.toISOString().substring(0, 10) // .toISOString returns UTC
   } else {
     return date?.substring(0, 10)
   }