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import type { DateType } from "react-native-ui-datepicker";
import {
DATE_PICKER_MODE,
DATE_PICKER_RANGE_SELECTION,
DATE_PICKER_TIME_SLOT,
} from "../constants";
import type {
DatePickerMode,
DatePickerTimeSlot,
DateRangeValue,
RangeSelectionTarget,
TempDateRangeValue,
} from "../types";
import { isSameDay, normalizeDate } from "../utils";
const getRangeBoundaryTimeSlots = (
range: DateRangeValue,
fallbackTimeSlot: DatePickerTimeSlot,
externalRangeStartTimeSlot?: DatePickerTimeSlot,
externalRangeEndTimeSlot?: DatePickerTimeSlot,
externalActiveRangeSelection?: RangeSelectionTarget,
) => {
const normalizedRangeStartDate = normalizeDate(range.startDate);
const normalizedRangeEndDate = normalizeDate(range.endDate);
const hasRangeEnd = !!normalizedRangeEndDate;
const isSingleDayRange =
!!normalizedRangeStartDate &&
!!normalizedRangeEndDate &&
isSameDay(normalizedRangeStartDate, normalizedRangeEndDate);
if (!hasRangeEnd) {
return {
activeTimeSlot: fallbackTimeSlot,
activeTarget: DATE_PICKER_RANGE_SELECTION.START as RangeSelectionTarget,
isSingleDayRange,
rangeEndTimeSlot: DATE_PICKER_TIME_SLOT.ALL_DAY,
rangeStartTimeSlot: fallbackTimeSlot,
};
}
if (isSingleDayRange) {
return {
activeTimeSlot: fallbackTimeSlot,
activeTarget: DATE_PICKER_RANGE_SELECTION.START as RangeSelectionTarget,
isSingleDayRange,
rangeEndTimeSlot: fallbackTimeSlot,
rangeStartTimeSlot: fallbackTimeSlot,
};
}
Iif (
externalRangeStartTimeSlot &&
externalRangeEndTimeSlot &&
externalActiveRangeSelection
) {
return {
activeTimeSlot:
externalActiveRangeSelection === DATE_PICKER_RANGE_SELECTION.START
? externalRangeStartTimeSlot
: externalRangeEndTimeSlot,
activeTarget: externalActiveRangeSelection,
isSingleDayRange,
rangeEndTimeSlot: externalRangeEndTimeSlot,
rangeStartTimeSlot: externalRangeStartTimeSlot,
};
}
const rangeStartTimeSlot =
normalizedRangeStartDate?.getHours() === 13 &&
normalizedRangeStartDate.getMinutes() === 30
? DATE_PICKER_TIME_SLOT.AFTERNOON
: DATE_PICKER_TIME_SLOT.ALL_DAY;
const rangeEndTimeSlot =
normalizedRangeEndDate?.getHours() === 12 &&
normalizedRangeEndDate.getMinutes() === 0
? DATE_PICKER_TIME_SLOT.MORNING
: DATE_PICKER_TIME_SLOT.ALL_DAY;
const activeTarget = DATE_PICKER_RANGE_SELECTION.END;
return {
activeTimeSlot: rangeEndTimeSlot,
activeTarget,
isSingleDayRange,
rangeEndTimeSlot,
rangeStartTimeSlot,
};
};
const getDraftRangeValue = (range: DateRangeValue): TempDateRangeValue => {
const normalizedRangeStartDate = normalizeDate(range.startDate);
const normalizedRangeEndDate = normalizeDate(range.endDate);
const isSingleDayRange =
!!normalizedRangeStartDate &&
!!normalizedRangeEndDate &&
isSameDay(normalizedRangeStartDate, normalizedRangeEndDate);
if (isSingleDayRange) {
return {
startDate: range.startDate,
endDate: null,
};
}
return range;
};
interface UseDatePickerDraftStateArgs {
mode: DatePickerMode;
value: Date | null;
range: DateRangeValue;
effectiveExternalTimeSlot: DatePickerTimeSlot;
externalRangeStartTimeSlot?: DatePickerTimeSlot;
externalRangeEndTimeSlot?: DatePickerTimeSlot;
externalActiveRangeSelection?: RangeSelectionTarget;
}
export const useDatePickerDraftState = ({
mode,
value,
range,
effectiveExternalTimeSlot,
externalRangeStartTimeSlot,
externalRangeEndTimeSlot,
externalActiveRangeSelection,
}: UseDatePickerDraftStateArgs) => {
const initialRangeSlots = getRangeBoundaryTimeSlots(
range,
effectiveExternalTimeSlot,
externalRangeStartTimeSlot,
externalRangeEndTimeSlot,
externalActiveRangeSelection,
);
const [isEditing, setIsEditing] = useState(true);
const [tempDate, setTempDate] = useState<DateType | null>(value);
const [tempRange, setTempRange] = useState<TempDateRangeValue>(
getDraftRangeValue(range),
);
const [tempTimeSlot, setTempTimeSlot] = useState<DatePickerTimeSlot>(
initialRangeSlots.activeTimeSlot,
);
const [rangeStartTimeSlot, setRangeStartTimeSlot] =
useState<DatePickerTimeSlot>(initialRangeSlots.rangeStartTimeSlot);
const [rangeEndTimeSlot, setRangeEndTimeSlot] = useState<DatePickerTimeSlot>(
initialRangeSlots.rangeEndTimeSlot,
);
const [activeRangeSelection, setActiveRangeSelection] =
useState<RangeSelectionTarget>(initialRangeSlots.activeTarget);
const tempTimeSlotRef = useRef<DatePickerTimeSlot>(
initialRangeSlots.activeTimeSlot,
);
const rangeStartTimeSlotRef = useRef<DatePickerTimeSlot>(
initialRangeSlots.rangeStartTimeSlot,
);
const rangeEndTimeSlotRef = useRef<DatePickerTimeSlot>(
initialRangeSlots.rangeEndTimeSlot,
);
const activeRangeSelectionRef = useRef<RangeSelectionTarget>(
initialRangeSlots.activeTarget,
);
const rangeStartDateRef = useRef<Date | null>(normalizeDate(range.startDate));
const rangeEndDateRef = useRef<Date | null>(
normalizeDate(getDraftRangeValue(range).endDate),
);
const syncDraftFromProps = useCallback(() => {
const normalizedRangeStartDate = normalizeDate(range.startDate);
const nextRangeSlots = getRangeBoundaryTimeSlots(
range,
effectiveExternalTimeSlot,
externalRangeStartTimeSlot,
externalRangeEndTimeSlot,
externalActiveRangeSelection,
);
setTempDate(value);
const draftRange = getDraftRangeValue(range);
setTempRange(draftRange);
setRangeStartTimeSlot(nextRangeSlots.rangeStartTimeSlot);
setRangeEndTimeSlot(nextRangeSlots.rangeEndTimeSlot);
setActiveRangeSelection(nextRangeSlots.activeTarget);
setTempTimeSlot(nextRangeSlots.activeTimeSlot);
tempTimeSlotRef.current = nextRangeSlots.activeTimeSlot;
rangeStartTimeSlotRef.current = nextRangeSlots.rangeStartTimeSlot;
rangeEndTimeSlotRef.current = nextRangeSlots.rangeEndTimeSlot;
activeRangeSelectionRef.current = nextRangeSlots.activeTarget;
rangeStartDateRef.current = normalizedRangeStartDate;
rangeEndDateRef.current = normalizeDate(draftRange.endDate);
}, [
effectiveExternalTimeSlot,
externalActiveRangeSelection,
externalRangeEndTimeSlot,
externalRangeStartTimeSlot,
range,
value,
]);
const resetDraftState = useCallback(() => {
setIsEditing(false);
}, []);
useEffect(() => {
if (!isEditing) {
syncDraftFromProps();
}
}, [isEditing, syncDraftFromProps]);
const beginEditingState = useCallback(() => {
Eif (isEditing) {
return;
}
if (mode === DATE_PICKER_MODE.SINGLE) {
setTempDate(value);
} else {
setTempRange(getDraftRangeValue(range));
}
const nextRangeSlots = getRangeBoundaryTimeSlots(
range,
effectiveExternalTimeSlot,
externalRangeStartTimeSlot,
externalRangeEndTimeSlot,
externalActiveRangeSelection,
);
setTempTimeSlot(nextRangeSlots.activeTimeSlot);
setRangeStartTimeSlot(nextRangeSlots.rangeStartTimeSlot);
setRangeEndTimeSlot(nextRangeSlots.rangeEndTimeSlot);
setActiveRangeSelection(nextRangeSlots.activeTarget);
tempTimeSlotRef.current = nextRangeSlots.activeTimeSlot;
rangeStartTimeSlotRef.current = nextRangeSlots.rangeStartTimeSlot;
rangeEndTimeSlotRef.current = nextRangeSlots.rangeEndTimeSlot;
activeRangeSelectionRef.current = nextRangeSlots.activeTarget;
rangeStartDateRef.current = normalizeDate(range.startDate);
rangeEndDateRef.current = normalizeDate(getDraftRangeValue(range).endDate);
setIsEditing(true);
}, [
effectiveExternalTimeSlot,
externalActiveRangeSelection,
externalRangeEndTimeSlot,
externalRangeStartTimeSlot,
isEditing,
mode,
range,
value,
]);
return {
activeRangeSelection,
activeRangeSelectionRef,
beginEditingState,
rangeEndDateRef,
rangeEndTimeSlot,
rangeEndTimeSlotRef,
rangeStartDateRef,
rangeStartTimeSlot,
rangeStartTimeSlotRef,
resetDraftState,
setActiveRangeSelection,
setRangeEndTimeSlot,
setRangeStartTimeSlot,
setTempDate,
setTempRange,
setTempTimeSlot,
tempDate,
tempRange,
tempTimeSlot,
tempTimeSlotRef,
};
};
export type DatePickerDraftState = ReturnType<typeof useDatePickerDraftState>;
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