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| 1 | +import { useEffect, useState } from 'react'; |
| 2 | +import { Box, Button } from '@mui/material'; |
| 3 | +import { Collapse, IconButton, Stack, Typography, useTheme } from '@mui/material'; |
| 4 | +import ExpandMoreIcon from '@mui/icons-material/ExpandMore'; |
| 5 | +import ExpandLessIcon from '@mui/icons-material/ExpandLess'; |
| 6 | +import LoadingIndicator from '../../components/LoadingIndicator'; |
| 7 | +import ErrorPage from '../ErrorPage'; |
| 8 | +import GuestEventCard from './GuestEventCard'; |
| 9 | +import { EventInstance, formatEventDate } from 'shared'; |
| 10 | +import { useAllEventsPaginated } from '../../hooks/calendar.hooks'; |
| 11 | + |
| 12 | +const groupInstancesByDate = (instances: EventInstance[]): [string, EventInstance[]][] => { |
| 13 | + const groups = new Map<string, { date: Date; instances: EventInstance[] }>(); |
| 14 | + for (const instance of instances) { |
| 15 | + const date = new Date(instance.startTime); |
| 16 | + const key = formatEventDate(date); |
| 17 | + if (!groups.has(key)) groups.set(key, { date, instances: [] }); |
| 18 | + groups.get(key)!.instances.push(instance); |
| 19 | + } |
| 20 | + return Array.from(groups.entries()) |
| 21 | + .sort(([, a], [, b]) => b.date.getTime() - a.date.getTime()) |
| 22 | + .map(([key, { instances }]) => [key, instances]); |
| 23 | +}; |
| 24 | + |
| 25 | +interface DateGroupProps { |
| 26 | + date: string; |
| 27 | + instances: EventInstance[]; |
| 28 | +} |
| 29 | + |
| 30 | +const DateGroup: React.FC<DateGroupProps> = ({ date, instances }) => { |
| 31 | + const theme = useTheme(); |
| 32 | + const [open, setOpen] = useState(true); |
| 33 | + |
| 34 | + return ( |
| 35 | + <Box> |
| 36 | + <Stack |
| 37 | + direction="row" |
| 38 | + alignItems="center" |
| 39 | + justifyContent="space-between" |
| 40 | + sx={{ cursor: 'pointer', borderBottom: `1px solid ${theme.palette.divider}`, pb: 0.5, mb: 1 }} |
| 41 | + onClick={() => setOpen((prev) => !prev)} |
| 42 | + > |
| 43 | + <Typography variant="h6" fontWeight="bold"> |
| 44 | + {date} |
| 45 | + </Typography> |
| 46 | + <IconButton size="small">{open ? <ExpandLessIcon /> : <ExpandMoreIcon />}</IconButton> |
| 47 | + </Stack> |
| 48 | + <Collapse in={open} timeout="auto" unmountOnExit> |
| 49 | + <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1.5 }}> |
| 50 | + {instances.map((instance) => ( |
| 51 | + <GuestEventCard key={`${instance.eventId}-${instance.scheduleSlotId}`} event={instance} /> |
| 52 | + ))} |
| 53 | + </Box> |
| 54 | + </Collapse> |
| 55 | + </Box> |
| 56 | + ); |
| 57 | +}; |
| 58 | + |
| 59 | +const GuestEventPage: React.FC = () => { |
| 60 | + const [cursor, setCursor] = useState<Date | undefined>(undefined); |
| 61 | + const [allInstances, setAllInstances] = useState<EventInstance[]>([]); |
| 62 | + const { data, isLoading, isError, error } = useAllEventsPaginated(cursor); |
| 63 | + |
| 64 | + useEffect(() => { |
| 65 | + if (data?.instances) { |
| 66 | + setAllInstances((prev) => { |
| 67 | + const existingKeys = new Set(prev.map((i) => `${i.eventId}-${i.scheduleSlotId}`)); |
| 68 | + const newInstances = data.instances.filter((i) => !existingKeys.has(`${i.eventId}-${i.scheduleSlotId}`)); |
| 69 | + return newInstances.length > 0 ? [...prev, ...newInstances] : prev; |
| 70 | + }); |
| 71 | + } |
| 72 | + }, [data]); |
| 73 | + |
| 74 | + if (isLoading && allInstances.length === 0) return <LoadingIndicator />; |
| 75 | + if (isError) return <ErrorPage message={error.message} />; |
| 76 | + |
| 77 | + const groups = groupInstancesByDate(allInstances); |
| 78 | + |
| 79 | + return ( |
| 80 | + <Box sx={{ display: 'flex', flexDirection: 'column', gap: 3, p: 2 }}> |
| 81 | + {groups.map(([date, instances]) => ( |
| 82 | + <DateGroup key={date} date={date} instances={instances} /> |
| 83 | + ))} |
| 84 | + {data?.nextCursor && ( |
| 85 | + <Button variant="outlined" onClick={() => setCursor(data.nextCursor!)} disabled={isLoading}> |
| 86 | + {isLoading ? <LoadingIndicator /> : 'Load More'} |
| 87 | + </Button> |
| 88 | + )} |
| 89 | + </Box> |
| 90 | + ); |
| 91 | +}; |
| 92 | + |
| 93 | +export default GuestEventPage; |
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