cal.pub0.org/packages/features/calendars/DatePicker.tsx

333 lines
11 KiB
TypeScript

import { useEffect } from "react";
import { shallow } from "zustand/shallow";
import type { Dayjs } from "@calcom/dayjs";
import dayjs from "@calcom/dayjs";
import { useEmbedStyles } from "@calcom/embed-core/embed-iframe";
import { useBookerStore } from "@calcom/features/bookings/Booker/store";
import classNames from "@calcom/lib/classNames";
import { daysInMonth, yyyymmdd } from "@calcom/lib/date-fns";
import { useLocale } from "@calcom/lib/hooks/useLocale";
import { weekdayNames } from "@calcom/lib/weekday";
import { Button, SkeletonText } from "@calcom/ui";
import { ChevronLeft, ChevronRight } from "@calcom/ui/components/icon";
import { ArrowRight } from "@calcom/ui/components/icon";
export type DatePickerProps = {
/** which day of the week to render the calendar. Usually Sunday (=0) or Monday (=1) - default: Sunday */
weekStart?: 0 | 1 | 2 | 3 | 4 | 5 | 6;
/** Fires whenever a selected date is changed. */
onChange: (date: Dayjs | null) => void;
/** Fires when the month is changed. */
onMonthChange?: (date: Dayjs) => void;
/** which date or dates are currently selected (not tracked from here) */
selected?: Dayjs | Dayjs[] | null;
/** defaults to current date. */
minDate?: Dayjs;
/** Furthest date selectable in the future, default = UNLIMITED */
maxDate?: Dayjs;
/** locale, any IETF language tag, e.g. "hu-HU" - defaults to Browser settings */
locale: string;
/** Defaults to [], which dates are not bookable. Array of valid dates like: ["2022-04-23", "2022-04-24"] */
excludedDates?: string[];
/** defaults to all, which dates are bookable (inverse of excludedDates) */
includedDates?: string[];
/** allows adding classes to the container */
className?: string;
/** Shows a small loading spinner next to the month name */
isLoading?: boolean;
/** used to query the multiple selected dates */
eventSlug?: string;
};
export const Day = ({
date,
active,
disabled,
...props
}: JSX.IntrinsicElements["button"] & {
active: boolean;
date: Dayjs;
}) => {
const { t } = useLocale();
const enabledDateButtonEmbedStyles = useEmbedStyles("enabledDateButton");
const disabledDateButtonEmbedStyles = useEmbedStyles("disabledDateButton");
return (
<button
type="button"
style={disabled ? { ...disabledDateButtonEmbedStyles } : { ...enabledDateButtonEmbedStyles }}
className={classNames(
"disabled:text-bookinglighter absolute bottom-0 left-0 right-0 top-0 mx-auto w-full rounded-md border-2 border-transparent text-center text-sm font-medium disabled:cursor-default disabled:border-transparent disabled:font-light ",
active
? "bg-brand-default text-brand"
: !disabled
? " hover:border-brand-default text-emphasis bg-emphasis"
: "text-muted"
)}
data-testid="day"
data-disabled={disabled}
disabled={disabled}
{...props}>
{date.date()}
{date.isToday() && (
<span
className={classNames(
"bg-brand-default absolute left-1/2 top-1/2 flex h-[5px] w-[5px] -translate-x-1/2 translate-y-[8px] items-center justify-center rounded-full align-middle sm:translate-y-[12px]",
active && "invert"
)}>
<span className="sr-only">{t("today")}</span>
</span>
)}
</button>
);
};
const NoAvailabilityOverlay = ({
month,
nextMonthButton,
}: {
month: string | null;
nextMonthButton: () => void;
}) => {
const { t } = useLocale();
return (
<div className=" bg-muted border-subtle absolute left-1/2 top-40 -mt-10 w-max -translate-x-1/2 -translate-y-1/2 transform rounded-md border p-8 shadow-sm">
<h4 className="text-emphasis mb-4 font-medium">{t("no_availability_in_month", { month: month })}</h4>
<Button onClick={nextMonthButton} color="primary" EndIcon={ArrowRight}>
{t("view_next_month")}
</Button>
</div>
);
};
const Days = ({
minDate = dayjs.utc(),
excludedDates = [],
browsingDate,
weekStart,
DayComponent = Day,
selected,
month,
nextMonthButton,
eventSlug,
...props
}: Omit<DatePickerProps, "locale" | "className" | "weekStart"> & {
DayComponent?: React.FC<React.ComponentProps<typeof Day>>;
browsingDate: Dayjs;
weekStart: number;
month: string | null;
nextMonthButton: () => void;
}) => {
// Create placeholder elements for empty days in first week
const weekdayOfFirst = browsingDate.date(1).day();
const currentDate = minDate.utcOffset(browsingDate.utcOffset());
const availableDates = (includedDates: string[] | undefined) => {
const dates = [];
const lastDateOfMonth = browsingDate.date(daysInMonth(browsingDate));
for (
let date = currentDate;
date.isBefore(lastDateOfMonth) || date.isSame(lastDateOfMonth, "day");
date = date.add(1, "day")
) {
// even if availableDates is given, filter out the passed included dates
if (includedDates && !includedDates.includes(yyyymmdd(date))) {
continue;
}
dates.push(yyyymmdd(date));
}
return dates;
};
const includedDates = currentDate.isSame(browsingDate, "month")
? availableDates(props.includedDates)
: props.includedDates;
const days: (Dayjs | null)[] = Array((weekdayOfFirst - weekStart + 7) % 7).fill(null);
for (let day = 1, dayCount = daysInMonth(browsingDate); day <= dayCount; day++) {
const date = browsingDate.set("date", day);
days.push(date);
}
const [selectedDatesAndTimes] = useBookerStore((state) => [state.selectedDatesAndTimes], shallow);
const isActive = (day: dayjs.Dayjs) => {
// for selecting a range of dates
if (Array.isArray(selected)) {
return Array.isArray(selected) && selected?.some((e) => yyyymmdd(e) === yyyymmdd(day));
}
if (selected && yyyymmdd(selected) === yyyymmdd(day)) {
return true;
}
// for selecting multiple dates for an event
if (
eventSlug &&
selectedDatesAndTimes &&
selectedDatesAndTimes[eventSlug as string] &&
Object.keys(selectedDatesAndTimes[eventSlug as string]).length > 0
) {
return Object.keys(selectedDatesAndTimes[eventSlug as string]).some((date) => {
return yyyymmdd(dayjs(date)) === yyyymmdd(day);
});
}
return false;
};
const daysToRenderForTheMonth = days.map((day) => {
if (!day) return { day: null, disabled: true };
return {
day: day,
disabled:
(includedDates && !includedDates.includes(yyyymmdd(day))) || excludedDates.includes(yyyymmdd(day)),
};
});
/**
* Takes care of selecting a valid date in the month if the selected date is not available in the month
*/
const useHandleInitialDateSelection = () => {
// Let's not do something for now in case of multiple selected dates as behaviour is unclear and it's not needed at the moment
if (selected instanceof Array) {
return;
}
const firstAvailableDateOfTheMonth = daysToRenderForTheMonth.find((day) => !day.disabled)?.day;
const isSelectedDateAvailable = selected
? daysToRenderForTheMonth.some(({ day, disabled }) => {
if (day && yyyymmdd(day) === yyyymmdd(selected) && !disabled) return true;
})
: false;
if (!isSelectedDateAvailable && firstAvailableDateOfTheMonth) {
// If selected date not available in the month, select the first available date of the month
props.onChange(firstAvailableDateOfTheMonth);
}
if (!firstAvailableDateOfTheMonth) {
props.onChange(null);
}
};
useEffect(useHandleInitialDateSelection);
return (
<>
{daysToRenderForTheMonth.map(({ day, disabled }, idx) => (
<div key={day === null ? `e-${idx}` : `day-${day.format()}`} className="relative w-full pt-[100%]">
{day === null ? (
<div key={`e-${idx}`} />
) : props.isLoading ? (
<button
className="bg-muted text-muted absolute bottom-0 left-0 right-0 top-0 mx-auto flex w-full items-center justify-center rounded-sm border-transparent text-center font-medium opacity-50"
key={`e-${idx}`}
disabled>
<SkeletonText className="h-4 w-5" />
</button>
) : (
<DayComponent
date={day}
onClick={() => {
props.onChange(day);
}}
disabled={disabled}
active={isActive(day)}
/>
)}
</div>
))}
{!props.isLoading && includedDates && includedDates?.length === 0 && (
<NoAvailabilityOverlay month={month} nextMonthButton={nextMonthButton} />
)}
</>
);
};
const DatePicker = ({
weekStart = 0,
className,
locale,
selected,
onMonthChange,
...passThroughProps
}: DatePickerProps & Partial<React.ComponentProps<typeof Days>>) => {
const browsingDate = passThroughProps.browsingDate || dayjs().startOf("month");
const { i18n } = useLocale();
const changeMonth = (newMonth: number) => {
if (onMonthChange) {
onMonthChange(browsingDate.add(newMonth, "month"));
}
};
const month = browsingDate
? new Intl.DateTimeFormat(i18n.language, { month: "long" }).format(
new Date(browsingDate.year(), browsingDate.month())
)
: null;
return (
<div className={className}>
<div className="mb-1 flex items-center justify-between text-xl">
<span className="text-default w-1/2 text-base">
{browsingDate ? (
<>
<strong className="text-emphasis font-semibold">{month}</strong>{" "}
<span className="text-subtle font-medium">{browsingDate.format("YYYY")}</span>
</>
) : (
<SkeletonText className="h-8 w-24" />
)}
</span>
<div className="text-emphasis">
<div className="flex">
<Button
className={classNames(
"group p-1 opacity-70 hover:opacity-100 rtl:rotate-180",
!browsingDate.isAfter(dayjs()) &&
"disabled:text-bookinglighter hover:bg-background hover:opacity-70"
)}
onClick={() => changeMonth(-1)}
disabled={!browsingDate.isAfter(dayjs())}
data-testid="decrementMonth"
color="minimal"
variant="icon"
StartIcon={ChevronLeft}
/>
<Button
className="group p-1 opacity-70 hover:opacity-100 rtl:rotate-180"
onClick={() => changeMonth(+1)}
data-testid="incrementMonth"
color="minimal"
variant="icon"
StartIcon={ChevronRight}
/>
</div>
</div>
</div>
<div className="border-subtle mb-2 grid grid-cols-7 gap-4 border-b border-t text-center md:mb-0 md:border-0">
{weekdayNames(locale, weekStart, "short").map((weekDay) => (
<div key={weekDay} className="text-emphasis my-4 text-xs font-medium uppercase tracking-widest">
{weekDay}
</div>
))}
</div>
<div className="relative grid grid-cols-7 gap-1 text-center">
<Days
weekStart={weekStart}
selected={selected}
{...passThroughProps}
browsingDate={browsingDate}
month={month}
nextMonthButton={() => changeMonth(+1)}
/>
</div>
</div>
);
};
export default DatePicker;