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Co-authored-by: Alder Whiteford <[email protected]> Co-authored-by: Alder Whiteford <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,197 @@ | ||
| import { useCallback, useEffect, useRef, useState } from 'react'; | ||
| import { SafeAreaView } from 'react-native'; | ||
| import { | ||
| CalendarProvider, | ||
| ExpandableCalendar | ||
| } from 'react-native-calendars-sac'; | ||
| import { Theme } from 'react-native-calendars-sac/src/types'; | ||
|
|
||
| import Calendar from '@/app/(design-system)/components/Calendar/Calendar'; | ||
| import { eventApi } from '@generatesac/lib'; | ||
|
|
||
| // We pull events in a date range from the backend (1 month) | ||
| // Show two weeks before today and two weeks after today | ||
| import { Box, Colors, createStyles } from '@/app/(design-system)'; | ||
| import Calendar, { | ||
| DAY_EPOCH_TIME, | ||
| FetchNewEventsPropsUnion | ||
| } from '@/app/(design-system)/components/Calendar/Calendar'; | ||
| import { EventSection } from '@/app/(design-system)/components/Calendar/DayTimeSection'; | ||
| import { parseData } from '@/app/(design-system)/components/Calendar/parser/calendarParser'; | ||
|
|
||
| const TODAY = new Date(); | ||
|
|
||
| const BATCH_SIZE = 15; | ||
| const BATCH_SIZE_HALF = Math.floor(BATCH_SIZE / 2); | ||
|
|
||
| const CalendarPage = () => { | ||
| const [loadedEvents, setLoadedEvents] = useState<EventSection[]>([]); | ||
| const [minDate, setMinDate] = useState( | ||
| TODAY.getTime() - DAY_EPOCH_TIME * BATCH_SIZE_HALF | ||
| ); | ||
| const [maxDate, setMaxDate] = useState( | ||
| TODAY.getTime() + DAY_EPOCH_TIME * BATCH_SIZE_HALF | ||
| ); | ||
| const [datePress, setDatePress] = useState(false); | ||
| const [isLoading, setIsLoading] = useState(true); | ||
| const [error, setError] = useState(false); | ||
| const oldEvents = useRef<EventSection[]>([]); | ||
| const recentRefresh = useRef<string>(); | ||
| const [getEvents] = eventApi.useLazyEventsQuery({}); | ||
|
|
||
| const emptyDatePlaceholder = new Array(BATCH_SIZE_HALF).fill({}); | ||
|
|
||
| const calendarTheme: Theme = { | ||
| selectedDayBackgroundColor: Colors.darkRed, | ||
| todayTextColor: 'black', | ||
| arrowColor: 'black', | ||
| textMonthFontWeight: 'bold' | ||
| }; | ||
|
|
||
| const fetchEvents = useCallback( | ||
| async (startTime: number, endTime: number) => { | ||
| const start = new Date(startTime).toISOString().split('T')[0]; | ||
| const end = new Date(endTime).toISOString().split('T')[0]; | ||
|
|
||
| return await getEvents({ start, end }).then( | ||
| ({ data, error: fetchError }) => { | ||
| if (fetchError) { | ||
| setError(true); | ||
| } else { | ||
| setError(false); | ||
| } | ||
|
|
||
| return parseData(startTime, endTime, data); | ||
| } | ||
| ); | ||
| }, | ||
| [getEvents] | ||
| ); | ||
|
|
||
| const fetchNewEvents = useCallback( | ||
| async (props: FetchNewEventsPropsUnion) => { | ||
| const { direction } = props; | ||
| const refreshId = Math.random().toString(36).substring(7); | ||
| recentRefresh.current = refreshId; | ||
|
|
||
| if (direction === 'start') { | ||
| // Store the old events: | ||
| oldEvents.current = [...loadedEvents]; | ||
| setLoadedEvents([ | ||
| ...emptyDatePlaceholder, | ||
| ...oldEvents.current | ||
| ]); | ||
|
|
||
| setIsLoading(true); | ||
| setTimeout(async () => { | ||
| const newEvents = await fetchEvents( | ||
| minDate - DAY_EPOCH_TIME * BATCH_SIZE_HALF, | ||
| minDate | ||
| ); | ||
| if (recentRefresh.current !== refreshId) return; | ||
| setMinDate(minDate - DAY_EPOCH_TIME * BATCH_SIZE_HALF); | ||
| setLoadedEvents([...newEvents, ...oldEvents.current]); | ||
| setIsLoading(false); | ||
| }, 200); | ||
| } | ||
| if (direction === 'end') { | ||
| // Store the old events: | ||
| oldEvents.current = [...loadedEvents]; | ||
| setLoadedEvents([ | ||
| ...oldEvents.current, | ||
| ...emptyDatePlaceholder | ||
| ]); | ||
|
|
||
| setIsLoading(true); | ||
| setTimeout(async () => { | ||
| const newEvents = await fetchEvents( | ||
| maxDate, | ||
| maxDate + DAY_EPOCH_TIME * (BATCH_SIZE_HALF + 1) | ||
| ); | ||
| if (recentRefresh.current !== refreshId) return; | ||
| setMaxDate( | ||
| maxDate + DAY_EPOCH_TIME * (BATCH_SIZE_HALF + 1) | ||
| ); | ||
| setLoadedEvents([...oldEvents.current, ...newEvents]); | ||
| setIsLoading(false); | ||
| }, 200); | ||
| } | ||
| if (direction === 'base') { | ||
| const { date } = props; | ||
| const minDateNew = | ||
| new Date(date).getTime() - DAY_EPOCH_TIME * BATCH_SIZE_HALF; | ||
| const maxDateNew = | ||
| new Date(date).getTime() + DAY_EPOCH_TIME * BATCH_SIZE_HALF; | ||
| setMinDate(minDateNew); | ||
| setMaxDate(maxDateNew); | ||
|
|
||
| setIsLoading(true); | ||
| setTimeout(async () => { | ||
| const newEvents = await fetchEvents(minDateNew, maxDateNew); | ||
| if (recentRefresh.current !== refreshId) return; | ||
| setLoadedEvents(newEvents); | ||
| setIsLoading(false); | ||
| }, 200); | ||
| } else return; | ||
| }, | ||
| [minDate, maxDate, loadedEvents, emptyDatePlaceholder, fetchEvents] | ||
| ); | ||
|
|
||
| useEffect(() => { | ||
| fetchNewEvents({ | ||
| direction: 'base', | ||
| date: TODAY.toISOString().split('T')[0] | ||
| }); | ||
| // eslint-disable-next-line react-hooks/exhaustive-deps | ||
| }, []); | ||
|
|
||
| return ( | ||
| <SafeAreaView style={{ flex: 1 }}> | ||
| <Calendar /> | ||
| <CalendarProvider | ||
| date={new Date().toISOString().split('T')[0]} | ||
| theme={calendarTheme} | ||
| disabledOpacity={0.5} | ||
| > | ||
| <Box {...styles.expandableCalendarContainer}> | ||
| <Box {...styles.expandableCalendarSubContainer}> | ||
| <ExpandableCalendar | ||
| horizontal | ||
| pagingEnabled={true} | ||
| hideArrows | ||
| theme={calendarTheme} | ||
| closeOnDayPress={false} | ||
| disableWeekScroll={true} | ||
| onDayPress={() => setDatePress(true)} | ||
| /> | ||
| </Box> | ||
| </Box> | ||
| <Calendar | ||
| loadedEvents={loadedEvents} | ||
| loadBatchSize={BATCH_SIZE} | ||
| isLoading={isLoading} | ||
| refreshThreshhold={0.25} | ||
| refetchEvents={fetchNewEvents} | ||
| datePress={datePress} | ||
| setDatePress={setDatePress} | ||
| error={error} | ||
| /> | ||
| </CalendarProvider> | ||
| </SafeAreaView> | ||
| ); | ||
| }; | ||
|
|
||
| export default CalendarPage; | ||
|
|
||
| const styles = createStyles({ | ||
| expandableCalendarContainer: { | ||
| backgroundColor: 'white', | ||
| borderBottomStartRadius: 'lg', | ||
| borderBottomEndRadius: 'lg', | ||
| shadowColor: 'black', | ||
| shadowOffset: { width: 0, height: 5 }, | ||
| shadowOpacity: 0.2 | ||
| }, | ||
| expandableCalendarSubContainer: { | ||
| borderBottomStartRadius: 'lg', | ||
| borderBottomEndRadius: 'lg', | ||
| backgroundColor: 'white', | ||
| overflow: 'hidden' | ||
| } | ||
| }); |
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