All files / app/features/communities/events EventPage.tsx

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import {
  CancelOutlined,
  ContentCopyOutlined,
  EditOutlined,
  LinkOutlined,
} from "@mui/icons-material";
import { Card, Chip, styled, Typography } from "@mui/material";
import { useMutation, useQueryClient } from "@tanstack/react-query";
import { eventImagePlaceholderUrl } from "appConstants";
import Alert from "components/Alert";
import Button from "components/Button";
import CenteredSpinner from "components/CenteredSpinner/CenteredSpinner";
import EllipsisMenu, { EllipsisMenuItem } from "components/EllipsisMenu";
import HeaderButton from "components/HeaderButton";
import HtmlMeta from "components/HtmlMeta";
import { BackIcon, CalendarIcon } from "components/Icons";
import Markdown from "components/Markdown";
import Snackbar from "components/Snackbar";
import { useAuthContext } from "features/auth/AuthProvider";
import EventAttendees from "features/communities/events/EventAttendees";
import NotFoundPage from "features/NotFoundPage";
import { RpcError } from "grpc-web";
import { useTranslation } from "i18n";
import { COMMUNITIES } from "i18n/namespaces";
import { useRouter } from "next/router";
import { AttendanceState, Event } from "proto/events_pb";
import { useEffect, useState } from "react";
import {
  eventsRoute,
  routeToDuplicateEvent,
  routeToEditEvent,
  routeToEvent,
} from "routes";
import { service } from "service";
import { Temporal } from "temporal-polyfill";
import { theme } from "theme";
import {
  localizeDateTimeRange,
  timestampToInstant,
  timestampToPlainDateTime,
} from "utils/date";
import { sendNativeBack, useIsNativeEmbed } from "utils/nativeLink";
 
import { eventAttendeesBaseKey, eventKey } from "../../queryKeys";
import CommentTree from "../discussions/CommentTree";
import AttendanceMenu from "./AttendanceMenu";
import CancelEventDialog from "./CancelEventDialog";
import EventOrganizers from "./EventOrganizers";
import { useEvent } from "./hooks";
import InviteCommunityDialog from "./InviteCommunityDialog";
 
const StyledHeader = styled("div")(() => ({
  alignItems: "center",
  gap: theme.spacing(2),
  display: "grid",
  gridTemplateAreas: `
    "backButton eventTitle"
    "eventTime eventTime"
    "actionButtons actionButtons"
  `,
  gridTemplateColumns: "3.125rem 1fr",
  marginBlockEnd: theme.spacing(4),
  marginBlockStart: theme.spacing(2),
 
  [theme.breakpoints.up("sm")]: {
    gridTemplateAreas: `
      "backButton eventTitle actionButtons"
      ". eventTime eventTime"
    `,
    gridTemplateColumns: "3.125rem 1fr auto",
  },
}));
 
const StyledBackButton = styled(HeaderButton)(() => ({
  gridArea: "backButton",
  width: "3.125rem",
  height: "3.125rem",
}));
 
const StyledTitle = styled("div")(() => ({
  gridArea: "eventTitle",
}));
 
const StyledEventTypeText = styled(Typography)(() => ({
  color: theme.palette.grey[600],
}));
 
const StyledCoverPhoto = styled("img")((props) => ({
  height: 100,
  [theme.breakpoints.up("md")]: {
    height: 200,
  },
  width: "100%",
  objectFit: props.src === eventImagePlaceholderUrl ? "contain" : "cover",
  marginBlockStart: theme.spacing(2),
}));
 
const StyledCancelledChip = styled(Chip)(() => ({
  backgroundColor: theme.palette.error.main,
  color: theme.palette.common.white,
  fontWeight: "bold",
}));
 
const StyledIconButtonGroup = styled("div")(() => ({
  display: "flex",
  gap: theme.spacing(0.5),
}));
 
const StyledInviteAndAttendanceRow = styled("div")(() => ({
  display: "flex",
  gap: theme.spacing(1),
  alignItems: "center",
  flexWrap: "wrap",
}));
 
const StyledActionButtonsContainer = styled("div")(() => ({
  display: "grid",
  gridAutoFlow: "column",
  columnGap: theme.spacing(1),
  gridArea: "actionButtons",
  justifySelf: "start",
 
  [theme.breakpoints.down("md")]: {
    gridAutoFlow: "row",
    gridTemplateColumns: "repeat(auto-fit, minmax(140px, max-content))",
    gap: theme.spacing(1),
    width: "100%",
  },
}));
 
const ActionButtonSx = {
  whiteSpace: "normal",
  textAlign: "center",
  height: "auto",
  lineHeight: 1.2,
  paddingBlock: theme.spacing(1),
};
 
const StyledEventTimeContainer = styled("div")(() => ({
  alignItems: "center",
  gridArea: "eventTime",
  display: "grid",
  columnGap: theme.spacing(1),
  gridTemplateColumns: "3.75rem auto",
  [theme.breakpoints.up("md")]: {
    gridTemplateColumns: "3.75rem 30%",
  },
}));
 
const StyledCalendarIcon = styled(CalendarIcon)(() => ({
  marginInlineStart: theme.spacing(-0.5),
  height: "3.75rem",
  width: "3.75rem",
}));
 
const StyledEventDetailsContainer = styled("div")(() => ({
  display: "grid",
  rowGap: theme.spacing(3),
  marginBlockEnd: theme.spacing(5),
}));
 
const StyledCardSection = styled(Card)(() => ({
  padding: theme.spacing(2),
  "& + &": {
    marginBlockStart: theme.spacing(3),
  },
}));
 
const StyledDiscussionContainer = styled("div")(() => ({
  marginBlockEnd: theme.spacing(5),
}));
 
export default function EventPage({
  eventId,
  eventSlug,
}: {
  eventId: number;
  eventSlug: string;
}) {
  const {
    t,
    i18n: { language: locale },
  } = useTranslation([COMMUNITIES]);
  const router = useRouter();
  const isNativeEmbed = useIsNativeEmbed();
  const queryClient = useQueryClient();
  const currentUserId = useAuthContext().authState.userId;
  const {
    data: event,
    error: eventError,
    isLoading,
    isValidEventId,
  } = useEvent({ eventId });
 
  const {
    isPending: isSetEventAttendanceLoading,
    error: setEventAttendanceError,
    mutate: setEventAttendance,
  } = useMutation<Event.AsObject, RpcError, AttendanceState>({
    mutationFn: (newEventAttendance: AttendanceState) => {
      return service.events.setEventAttendance({
        attendanceState: newEventAttendance,
        eventId,
      });
    },
    onSuccess(updatedEvent) {
      queryClient.setQueryData<Event.AsObject>(eventKey(eventId), updatedEvent);
      queryClient.invalidateQueries({
        queryKey: eventKey(eventId),
        refetchType: "none",
      });
      queryClient.invalidateQueries({
        queryKey: [eventAttendeesBaseKey, eventId],
      });
    },
  });
 
  const [cancelDialogIsOpen, setCancelDialogIsOpen] = useState(false);
  const [showInviteCommunitySuccess, setShowInviteCommunitySuccess] =
    useState(false);
  const [inviteCommunityDialogIsOpen, setInviteCommunityDialogIsOpen] =
    useState(false);
  const [ellipsisMenuAnchorEl, setEllipsisMenuAnchorEl] =
    useState<Element | null>(null);
  const [showCopyLinkSuccess, setShowCopyLinkSuccess] = useState(false);
  const isEllipsisMenuOpen = Boolean(ellipsisMenuAnchorEl);
 
  const handleEllipsisMenuOpen = (
    event: React.MouseEvent<HTMLButtonElement>,
  ) => {
    setEllipsisMenuAnchorEl(event.currentTarget);
  };
 
  const handleEllipsisMenuClose = () => {
    setEllipsisMenuAnchorEl(null);
  };
 
  const isPastEvent = event?.endTime
    ? Temporal.Instant.compare(
        timestampToInstant(event.endTime),
        Temporal.Now.instant(),
      ) < 0
    : false;
 
  const isCreator = currentUserId === event?.creatorUserId;
 
  const handleBackClick = () => {
    Iif (isNativeEmbed) {
      sendNativeBack();
      return;
    }
    if (window.history.length > 1) {
      router.back();
    } else {
      router.push(eventsRoute);
    }
  };
 
  useEffect(() => {
    Iif (event?.slug && event.slug !== eventSlug) {
      router.replace(routeToEvent(event.eventId, event.slug));
    }
  }, [event, eventSlug, router]);
 
  const ellipsisMenuItems: EllipsisMenuItem[] = [
    {
      icon: LinkOutlined,
      label: t("communities:copy_link"),
      onClick: () => {
        void navigator.clipboard.writeText(window.location.href);
        setShowCopyLinkSuccess(true);
      },
      id: "copy-link",
    },
    ...(event?.canEdit && !event.isCancelled && !isPastEvent
      ? ([
          {
            icon: EditOutlined,
            label: t("communities:edit_event"),
            onClick: () =>
              router.push(routeToEditEvent(event!.eventId, event!.slug)),
            id: "edit-event",
          },
        ] as EllipsisMenuItem[])
      : []),
    ...(isCreator && !event?.isCancelled
      ? ([
          {
            icon: ContentCopyOutlined,
            label: t("communities:duplicate_event"),
            onClick: () => router.push(routeToDuplicateEvent(event!.eventId)),
            id: "duplicate-event",
          },
        ] as EllipsisMenuItem[])
      : []),
    ...(event?.canEdit && !event.isCancelled && !isPastEvent
      ? ([
          {
            icon: CancelOutlined,
            label: t("communities:cancel_event"),
            onClick: () => setCancelDialogIsOpen(true),
            id: "cancel-event",
          },
        ] as EllipsisMenuItem[])
      : []),
  ];
 
  if (!isValidEventId) {
    return <NotFoundPage />;
  }
 
  return (
    <>
      <HtmlMeta title={event?.title} />
      {(eventError || setEventAttendanceError) && (
        <Alert severity="error">
          {eventError?.message || setEventAttendanceError?.message || ""}
        </Alert>
      )}
      {showInviteCommunitySuccess && (
        <Snackbar severity="success">
          {t("communities:invite_community_dialog.toast_success")}
        </Snackbar>
      )}
      {showCopyLinkSuccess && (
        <Snackbar severity="success">
          {t("communities:copy_link_success")}
        </Snackbar>
      )}
      {isLoading ? (
        <CenteredSpinner />
      ) : (
        event && (
          <>
            <StyledCoverPhoto
              src={event.photoUrl || eventImagePlaceholderUrl}
              alt=""
              data-testid="event-cover-photo"
            />
            <StyledHeader>
              <StyledBackButton
                onClick={handleBackClick}
                aria-label={t("communities:previous_page")}
              >
                <BackIcon />
              </StyledBackButton>
              <StyledTitle>
                <Typography variant="h1">{event.title}</Typography>
                <StyledEventTypeText variant="body1">
                  {event.location?.address}
                </StyledEventTypeText>
                {event.isCancelled && (
                  <StyledCancelledChip label={t("communities:cancelled")} />
                )}
              </StyledTitle>
              <StyledActionButtonsContainer>
                <StyledIconButtonGroup>
                  <EllipsisMenu
                    idName="event-page"
                    isMenuOpen={isEllipsisMenuOpen}
                    menuAnchorEl={ellipsisMenuAnchorEl}
                    onMenuOpen={handleEllipsisMenuOpen}
                    onMenuClose={handleEllipsisMenuClose}
                    items={ellipsisMenuItems}
                  />
                </StyledIconButtonGroup>
                <StyledInviteAndAttendanceRow>
                  {event.canEdit && (
                    <Button
                      onClick={() => setInviteCommunityDialogIsOpen(true)}
                      variant="contained"
                      color="primary"
                      disabled={event.isCancelled || isPastEvent}
                      aria-label={t(
                        "communities:invite_community_dialog_buttons.open",
                      )}
                      sx={{
                        [theme.breakpoints.down("md")]: {
                          ...ActionButtonSx,
                        },
                      }}
                    >
                      {t("communities:invite_community_dialog_buttons.open")}
                    </Button>
                  )}
                  <AttendanceMenu
                    loading={isSetEventAttendanceLoading}
                    onChangeAttendanceState={(attendanceState) =>
                      setEventAttendance(attendanceState)
                    }
                    attendanceState={event.attendanceState}
                    id="event-page-attendance"
                    disabled={event.isCancelled || isPastEvent}
                  />
                </StyledInviteAndAttendanceRow>
                {event.canEdit && (
                  <>
                    <InviteCommunityDialog
                      afterSuccess={() => setShowInviteCommunitySuccess(true)}
                      open={inviteCommunityDialogIsOpen}
                      onClose={() => setInviteCommunityDialogIsOpen(false)}
                      eventId={eventId}
                    />
                    <CancelEventDialog
                      open={cancelDialogIsOpen}
                      onClose={() => setCancelDialogIsOpen(false)}
                      eventId={eventId}
                    />
                  </>
                )}
              </StyledActionButtonsContainer>
 
              <StyledEventTimeContainer>
                <StyledCalendarIcon />
                <Typography variant="body1">
                  {localizeDateTimeRange(
                    // TODO(#8064): Should use the event.timezone, but it's currently incorrect.
                    timestampToPlainDateTime(event.startTime!),
                    timestampToPlainDateTime(event.endTime!),
                    {
                      locale,
                      includeDayOfWeek: true,
                      capitalize: true,
                    },
                  )}
                </Typography>
              </StyledEventTimeContainer>
            </StyledHeader>
            <StyledEventDetailsContainer>
              <StyledCardSection>
                <Typography variant="h2">
                  {t("communities:details_subheading_colon")}
                </Typography>
                <Markdown source={event.content} topHeaderLevel={3} />
              </StyledCardSection>
              <EventOrganizers event={event} />
              <EventAttendees event={event} />
            </StyledEventDetailsContainer>
            <StyledDiscussionContainer>
              <Typography variant="h2">
                {t("communities:event_discussion")}
              </Typography>
              <CommentTree threadId={event.thread!.threadId} />
            </StyledDiscussionContainer>
          </>
        )
      )}
    </>
  );
}