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import { useMutation } from "@tanstack/react-query";
import Alert from "components/Alert";
import Button from "components/Button";
import Datepicker from "components/Datepicker";
import StyledLink from "components/StyledLink";
import TextField from "components/TextField";
import { createForegroundTracker } from "features/analytics/foregroundTracker";
import { useLogEvent } from "features/analytics/hooks";
import { readSearchReferrer, referrerToProperties } from "features/analytics/searchAttribution";
import { useAuthContext } from "features/auth/AuthProvider";
import { useProfileUser } from "features/profile/hooks/useProfileUser";
import { useLiteUser } from "features/userQueries/useLiteUsers";
import { Trans, useTranslation } from "i18n";
import { GLOBAL, PROFILE } from "i18n/namespaces";
import { useClearablePersistedState } from "platform/usePersistedState";
import React, { RefObject, useEffect, useRef } from "react";
import { useForm } from "react-hook-form";
import { howToWriteRequestGuideUrl } from "routes";
import { service } from "service";
import { CreateHostRequestWrapper } from "service/requests";
import { Temporal } from "temporal-polyfill";
import { theme } from "theme";
const TYPING_GAP_CAP_MS = 3000;
interface FormValuesSnapshot {
text: string;
fromDate: Temporal.PlainDate | null;
toDate: Temporal.PlainDate | null;
}
function isFormField(target: EventTarget | null): boolean {
Iif (!target || !(target instanceof HTMLElement)) return false;
const tag = target.tagName;
return tag === "INPUT" || tag === "TEXTAREA";
}
/**
* Logs `host_request.form_closed` when the form unmounts (closed or submitted),
* reporting engagement: time open and visible, time a field was focused, active
* typing time and keystroke count, the final draft length and dates, whether it
* was submitted, and any search referrer that led the user here.
*
* Runs once for the form's open/close lifecycle, so it reads the latest form
* values and submitted flag from refs rather than re-subscribing on each change.
*/
function useHostRequestFormTracking({
hostUserId,
formRef,
getSubmitted,
getLatestValues,
}: {
hostUserId: number;
formRef: RefObject<HTMLFormElement | null>;
getSubmitted: () => boolean;
getLatestValues: () => FormValuesSnapshot;
}) {
const logEvent = useLogEvent();
useEffect(() => {
const tracker = createForegroundTracker();
let focusAccumMs = 0;
let focusSince: number | null = null;
let activeTypingMs = 0;
let lastKeystroke: number | null = null;
let keystrokeCount = 0;
const onFocusIn = (e: FocusEvent) => {
if (!isFormField(e.target)) return;
Eif (focusSince === null) focusSince = performance.now();
};
const onFocusOut = (e: FocusEvent) => {
if (!isFormField(e.target)) return;
Eif (focusSince !== null) {
focusAccumMs += performance.now() - focusSince;
focusSince = null;
}
};
const onKeyDown = (e: KeyboardEvent) => {
Eif (!isFormField(e.target)) return;
const now = performance.now();
if (lastKeystroke !== null) {
const gap = now - lastKeystroke;
if (gap <= TYPING_GAP_CAP_MS) activeTypingMs += gap;
}
lastKeystroke = now;
keystrokeCount += 1;
};
document.addEventListener("visibilitychange", tracker.onVisibilityChange);
const formEl = formRef.current;
formEl?.addEventListener("focusin", onFocusIn);
formEl?.addEventListener("focusout", onFocusOut);
formEl?.addEventListener("keydown", onKeyDown);
return () => {
document.removeEventListener("visibilitychange", tracker.onVisibilityChange);
formEl?.removeEventListener("focusin", onFocusIn);
formEl?.removeEventListener("focusout", onFocusOut);
formEl?.removeEventListener("keydown", onKeyDown);
if (focusSince !== null) focusAccumMs += performance.now() - focusSince;
const { foregroundMs, totalMs } = tracker.finalize();
const { text, fromDate, toDate } = getLatestValues();
const referrerProps = referrerToProperties(readSearchReferrer(hostUserId));
logEvent("host_request.form_closed", {
host_user_id: hostUserId,
submitted: getSubmitted(),
form_open_ms: foregroundMs,
form_open_total_ms: totalMs,
focus_ms: Math.round(focusAccumMs),
active_typing_ms: Math.round(activeTypingMs),
keystroke_count: keystrokeCount,
text_length: text.length,
from_date: fromDate?.toString(),
to_date: toDate?.toString(),
...referrerProps,
});
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
}
const StyledTitle = styled(Typography)(() => ({
marginTop: theme.spacing(1),
marginBottom: theme.spacing(1),
}));
const StyledRequestRow = styled("div")(() => ({
display: "flex",
flexDirection: "row",
alignItems: "center",
}));
const StyledDateRow = styled("div")(() => ({
marginTop: theme.spacing(2),
display: "flex",
flexDirection: "column",
width: "72%",
}));
const StyledDatepicker = styled(Datepicker)(() => ({
marginBottom: theme.spacing(2),
}));
const StyledHelpText = styled(Typography)(() => ({
marginTop: theme.spacing(2),
marginBottom: theme.spacing(2),
}));
const StyledRequestField = styled(TextField)(() => ({
marginTop: theme.spacing(2),
}));
const StyledSendActions = styled(CardActions)(() => ({
display: "flex",
justifyContent: "flex-end",
marginTop: theme.spacing(2),
}));
const MIN_LENGTH = 250; // Must match backend
// Dates are stored as "yyyy-mm-dd" since Temporal objects don't survive JSON
interface HostRequestDraft {
text: string;
fromDate: string | null;
toDate: string | null;
}
interface NewHostRequestProps {
setIsRequestSuccess: (value: boolean) => void;
setIsRequesting: (value: boolean) => void;
}
export default function NewHostRequest({ setIsRequestSuccess, setIsRequesting }: NewHostRequestProps) {
const { t } = useTranslation([GLOBAL, PROFILE]);
const user = useProfileUser();
const currentUserId = useAuthContext().authState.userId;
// Keep the draft across unmounts (e.g. the mobile profile sheet being swiped closed)
const [draft, setDraft, clearDraft] = useClearablePersistedState<HostRequestDraft | null>(
`hostRequestDraft.${currentUserId}.${user.userId}`,
null,
"sessionStorage",
);
const {
control,
getValues,
handleSubmit,
register,
setValue,
subscribe,
watch,
reset,
formState: { errors },
} = useForm<CreateHostRequestWrapper>({
defaultValues: {
hostUserId: user.userId,
text: draft?.text ?? "",
fromDate: draft?.fromDate ? Temporal.PlainDate.from(draft.fromDate) : undefined,
toDate: draft?.toDate ? Temporal.PlainDate.from(draft.toDate) : undefined,
},
});
useEffect(
() =>
subscribe({
formState: { values: true },
callback: ({ values: { text, fromDate, toDate } }) => {
if (!text && !fromDate && !toDate) return clearDraft();
setDraft({ text, fromDate: fromDate?.toString() ?? null, toDate: toDate?.toString() ?? null });
},
}),
[subscribe, setDraft, clearDraft],
);
const textField = watch("text") ?? "";
const formRef = useRef<HTMLFormElement | null>(null);
const submittedRef = useRef(false);
const latestValuesRef = useRef<FormValuesSnapshot>({
text: "",
fromDate: null,
toDate: null,
});
latestValuesRef.current = {
text: watch("text") ?? "",
fromDate: watch("fromDate") ?? null,
toDate: watch("toDate") ?? null,
};
useHostRequestFormTracking({
hostUserId: user.userId,
formRef,
getSubmitted: () => submittedRef.current,
getLatestValues: () => latestValuesRef.current,
});
const { error, isPending, mutate } = useMutation({
mutationFn: (data: CreateHostRequestWrapper) => {
return service.requests.createHostRequest(data);
},
onSuccess: () => {
submittedRef.current = true;
reset();
clearDraft();
setIsRequesting(false);
setIsRequestSuccess(true);
},
});
const { isLoading: hostLoading, error: hostError } = useLiteUser(user.userId);
const onSubmit = handleSubmit((data) => {
// The disabled button doesn't cover submitting with Enter from the date fields
Iif (isPending) return;
mutate(data);
});
const hostToday = Temporal.Now.plainDateISO(user.timezone || Temporal.Now.timeZoneId());
const watchFromDate = watch("fromDate", undefined);
const arrivalBeforeHostToday = !!watchFromDate && Temporal.PlainDate.compare(watchFromDate, hostToday) < 0;
// Only react to the arrival date changing: adjusting on every render also fired while the
// departure year was half-typed (e.g. year 0002), overwriting the departure being entered.
const pushDepartureAfterArrival = (fromDate: Temporal.PlainDate | null) => {
const toDate = getValues("toDate");
if (fromDate && toDate && Temporal.PlainDate.compare(fromDate, toDate) >= 0) {
setValue("toDate", fromDate.add({ days: 1 }));
}
};
return (
<>
<StyledTitle variant="h1">
{hostLoading ? <Skeleton width="100" /> : t("profile:request_form.send_request", { name: user.name })}
</StyledTitle>
{error && <Alert severity="error">{error.message}</Alert>}
{hostError ? (
<Alert severity={"error"}>{hostError?.message}</Alert>
) : (
<form onSubmit={onSubmit} ref={formRef}>
<StyledRequestRow>
<StyledDateRow>
<StyledDatepicker
control={control}
error={!!errors.fromDate}
helperText={errors?.fromDate?.message}
id="from-date"
label={t("profile:request_form.arrival_date")}
name="fromDate"
minValue={hostToday}
onPostChange={pushDepartureAfterArrival}
rules={{
required: t("profile:request_form.arrival_date_empty"),
validate: {
notEmpty: (date) => !date || date !== "",
notBeforeHostToday: (date) =>
!date ||
Temporal.PlainDate.compare(Temporal.PlainDate.from(date), hostToday) >= 0 ||
t("profile:request_form.arrival_date_before_host_today", {
name: user.name,
}),
},
}}
/>
{arrivalBeforeHostToday && (
<Alert severity="error">
{t("profile:request_form.arrival_date_before_host_today", {
name: user.name,
})}
</Alert>
)}
<StyledDatepicker
control={control}
error={!!errors.toDate}
helperText={errors?.toDate?.message}
id="to-date"
label={t("profile:request_form.departure_date")}
minValue={watchFromDate ? watchFromDate.add({ days: 1 }) : Temporal.Now.plainDateISO()}
name="toDate"
rules={{
required: t("profile:request_form.departure_date_empty"),
validate: {
notEmpty: (stringDate) => stringDate !== "",
afterArrival: (date) => {
const fromDate = getValues("fromDate");
return (
!date ||
!fromDate ||
Temporal.PlainDate.compare(Temporal.PlainDate.from(date), fromDate) > 0 ||
t("profile:request_form.departure_date_not_after_arrival")
);
},
},
}}
/>
</StyledDateRow>
</StyledRequestRow>
<StyledHelpText variant="body1">
<Trans
i18nKey="profile:request_form.guide_link_help_text"
components={{
guideLink: <StyledLink variant="body1" href={howToWriteRequestGuideUrl} />,
}}
/>
</StyledHelpText>
<StyledRequestField
id="text"
{...register("text", {
required: t("profile:request_form.request_description_empty"),
minLength: {
value: MIN_LENGTH,
message: t("profile:request_form.request_chars_remaining", {
count: MIN_LENGTH - textField.length,
}),
},
})}
label={t("profile:request_form.request")}
minRows={6}
multiline
fullWidth
placeholder={t("profile:request_form.request_description")}
error={!!errors.text}
helperText={
errors.text?.message
? errors.text.message
: MIN_LENGTH - textField.length > 0
? t("profile:request_form.request_chars_remaining", {
count: MIN_LENGTH - textField.length,
})
: ""
}
/>
<StyledSendActions>
<Button onClick={() => setIsRequesting(false)} variant="outlined">
{t("global:cancel")}
</Button>
<Button type="submit" loading={isPending} onClick={onSubmit}>
{t("global:send")}
</Button>
</StyledSendActions>
</form>
)}
</>
);
}
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