All files / apps/timeOff/src/screens TimeOff.tsx

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import { useCallback, useMemo, useRef } from 'react';
import { useForm, UseFormReturn } from 'react-hook-form';
import { ActivityIndicator, Text, View } from 'react-native';
 
import { Button } from '@repo/ui/components/Button';
import { FormDatePicker } from '@repo/ui/components/Form/FormDatePicker';
import { FormEmailInput } from '@repo/ui/components/Form/FormEmailInput';
import { FormInput } from '@repo/ui/components/Form/FormInput';
import { FormSelect } from '@repo/ui/components/Form/FormSelect';
import { InputDatePickerRef } from '@repo/ui/components/InputDatePicker';
import { SelectRef } from '@repo/ui/components/Select';
import { Switch } from '@repo/ui/components/Switch';
import { WrapperRequest } from '@repo/ui/components/WrapperRequest';
import { ClockIcon } from '@repo/ui/icons/Clock';
import { MultipleUserIcon } from '@repo/ui/icons/MultipleUser';
import { UserIcon } from '@repo/ui/icons/User';
import { makeStyles } from '@repo/ui/themes/makeStyles';
import { useTheme } from '@repo/ui/themes/ThemeContext';
 
import { DAILY_TIME_SLOTS } from '@repo/constants/time';
 
import { useRequestForm } from '@repo/hooks/request';
 
import { EmailOption, TimeOffFormType } from '@repo/types/form';
 
import { filterTimeSlots } from '@repo/utils/date';
 
import { REQUEST_FORM_FIELD_RULES } from '@repo/validation/fieldRules';
import { validateTimeOffForm } from '@repo/validation/requestForms';
 
/**
 * Helper to handle date/time synchronization logic
 */
const syncTimeOffDates = (
  val: Date | null | { startDate: Date | null; endDate: Date | null },
  {
    watch,
    setValue,
    clearErrors,
  }: Pick<UseFormReturn<TimeOffFormType>, 'watch' | 'setValue' | 'clearErrors'>,
) => {
  if (val instanceof Date) {
    const endDate = watch('endDate');
    if (endDate && endDate < val) {
      setValue('endDate', null);
      setValue('endTime', '');
      clearErrors(['endDate', 'endTime']);
    }
  }
};
 
const syncTimeOffTimes = (
  val: string,
  {
    watch,
    setValue,
    clearErrors,
  }: Pick<UseFormReturn<TimeOffFormType>, 'watch' | 'setValue' | 'clearErrors'>,
) => {
  const endDate = watch('endDate');
  const startDate = watch('startDate');
  const endTime = watch('endTime');
  if (
    endDate &&
    startDate &&
    startDate.toDateString() === endDate.toDateString() &&
    endTime &&
    endTime < val
  ) {
    setValue('endTime', '');
    clearErrors('endTime');
  }
};
 
interface Props {
  isOnBehalf: boolean;
  isManager: boolean;
  isLoading?: boolean;
  extraUsers?: {
    id: string;
    name: string;
  }[];
  isSubmitting?: boolean;
  employees: EmailOption[];
  holidays?: string[];
  makeUpWorkdays?: string[];
  onSubmit: (data: TimeOffFormType) => void;
  onBehalfChange: () => void;
  onBack: () => void;
  onScreenBlur?: (closeModals: () => void) => void;
}
 
const TimeOff = ({
  isOnBehalf,
  isManager,
  isLoading = false,
  extraUsers = [],
  isSubmitting = false,
  employees,
  holidays = [],
  makeUpWorkdays = [],
  onBehalfChange,
  onBack,
  onSubmit,
  onScreenBlur,
}: Props) => {
  const { theme } = useTheme();
  const styles = useStyles();
 
  const methods = useForm<TimeOffFormType>({
    defaultValues: {
      startTime: DAILY_TIME_SLOTS[0].value,
      endTime: DAILY_TIME_SLOTS[DAILY_TIME_SLOTS.length - 1].value,
    },
  });
 
  const { control, watch } = methods;
 
  const startDatePickerRef = useRef<InputDatePickerRef>(null);
  const endDatePickerRef = useRef<InputDatePickerRef>(null);
  const startTimeRef = useRef<SelectRef>(null);
  const endTimeRef = useRef<SelectRef>(null);
  const onBehalfRef = useRef<SelectRef>(null);
 
  const closeModals = useCallback(() => {
    startDatePickerRef.current?.close();
    endDatePickerRef.current?.close();
    startTimeRef.current?.close();
    endTimeRef.current?.close();
    onBehalfRef.current?.close();
  }, []);
 
  const {
    handlePressBack,
    handleSendRequest,
    createClearErrorCallback,
    disabledDates: disabledDatesStart,
    disabledDatesFromStart: disabledDatesEnd,
  } = useRequestForm({
    methods,
    onBack,
    onSubmit,
    onScreenBlur,
    closeModals,
    holidays,
    makeUpWorkdays,
    validateBeforeSubmit: validateTimeOffForm,
  });
 
  const handleClearUserError = useMemo(
    () => createClearErrorCallback('user'),
    [createClearErrorCallback],
  );
  const handleClearToError = useMemo(
    () => createClearErrorCallback('to'),
    [createClearErrorCallback],
  );
  const handleClearCcError = useMemo(
    () => createClearErrorCallback('cc'),
    [createClearErrorCallback],
  );
  const handleClearNoteError = useMemo(
    () => createClearErrorCallback('note'),
    [createClearErrorCallback],
  );
 
  const handleStartDateConfirm = useCallback(
    (val: Date | null | { startDate: Date | null; endDate: Date | null }) => {
      syncTimeOffDates(val, methods);
    },
    [methods],
  );
 
  const handleStartTimeChange = useCallback(
    (val: string) => {
      syncTimeOffTimes(val, methods);
    },
    [methods],
  );
 
  const onBehalfOptions = useMemo(
    () =>
      extraUsers.map(e => ({
        label: e.name,
        value: e.id,
      })),
    [extraUsers],
  );
 
  const currentEndDate = watch('endDate');
  const currentStartDate = watch('startDate');
  const currentStartTime = watch('startTime');
 
  const filteredEndTimeSlots = useMemo(
    () =>
      filterTimeSlots(
        currentEndDate ?? new Date(),
        currentStartDate ?? undefined,
        currentStartTime,
      ),
    [currentEndDate, currentStartDate, currentStartTime],
  );
 
  const isEndTimeDisabled = useMemo(
    () => isSubmitting || filteredEndTimeSlots.length === 0,
    [isSubmitting, filteredEndTimeSlots.length],
  );
  const endTimeErrorMessage = useMemo(
    () =>
      filteredEndTimeSlots.length === 0
        ? 'No time today, please choose another date'
        : undefined,
    [filteredEndTimeSlots.length],
  );
 
  return (
    <WrapperRequest
      title="Time Off"
      onBack={handlePressBack}
      disabled={isSubmitting}
      footerComponent={
        <Button
          onPress={handleSendRequest}
          isLoading={isSubmitting}
          accessibilityLabel="Submit Request"
          accessibilityRole="button"
          accessibilityHint="Sends a time off request for the selected dates and time"
          testID="submit-button"
        >
          Submit Request
        </Button>
      }
    >
      {isLoading && (
        <View style={styles.overlay}>
          <ActivityIndicator color={theme.colors.icon.active} />
        </View>
      )}
      {isManager && (
        <View>
          <Switch
            label="On behalf of an employee else"
            value={isOnBehalf}
            testID="on-behalf-switch"
            onValueChange={onBehalfChange}
            disabled={isSubmitting}
          />
          {isOnBehalf && (
            <FormSelect
              ref={onBehalfRef}
              control={control}
              name="user"
              label="On behalf of"
              options={onBehalfOptions}
              disabled={isSubmitting}
              rules={REQUEST_FORM_FIELD_RULES.timeOff.user}
              onChange={handleClearUserError}
              testID="on-behalf-of-select"
              leftIcon={
                <UserIcon
                  width={24}
                  height={24}
                  color={theme.colors.icon.active}
                />
              }
            />
          )}
        </View>
      )}
      <FormEmailInput
        control={control}
        name="to"
        rules={REQUEST_FORM_FIELD_RULES.timeOff.to}
        leftIcon={
          <MultipleUserIcon
            width={24}
            height={24}
            color={theme.colors.icon.active}
          />
        }
        options={employees}
        label="Approvers"
        testID="approvers-input"
        disabled={isSubmitting}
        onChange={handleClearToError}
      />
      <FormEmailInput
        control={control}
        name="cc"
        rules={REQUEST_FORM_FIELD_RULES.timeOff.cc}
        leftIcon={
          <MultipleUserIcon
            width={24}
            height={24}
            color={theme.colors.icon.active}
          />
        }
        options={employees}
        label="Observers"
        testID="observers-input"
        disabled={isSubmitting}
        onChange={handleClearCcError}
      />
      <View style={styles.inputGroup}>
        <Text style={styles.subTitle}>Start time</Text>
        <FormDatePicker
          ref={startDatePickerRef}
          control={control}
          name="startDate"
          rules={REQUEST_FORM_FIELD_RULES.timeOff.startDate}
          mode="single"
          testID="start-date-select"
          disabled={isSubmitting}
          disabledDates={disabledDatesStart}
          onConfirm={handleStartDateConfirm}
        />
        <FormSelect
          ref={startTimeRef}
          control={control}
          name="startTime"
          rules={REQUEST_FORM_FIELD_RULES.timeOff.startTime}
          label="Time"
          testID="start-time-select"
          options={DAILY_TIME_SLOTS}
          disabled={isSubmitting}
          placeholder="Select time"
          leftIcon={
            <ClockIcon
              width={24}
              height={24}
              color={theme.colors.icon.active}
            />
          }
          onChange={handleStartTimeChange}
        />
      </View>
      <View style={styles.inputGroup}>
        <Text style={styles.subTitle}>End time</Text>
        <FormDatePicker
          ref={endDatePickerRef}
          control={control}
          name="endDate"
          rules={REQUEST_FORM_FIELD_RULES.timeOff.endDate}
          mode="single"
          testID="end-date-select"
          disabled={isSubmitting}
          disabledDates={disabledDatesEnd}
        />
        <FormSelect
          ref={endTimeRef}
          control={control}
          name="endTime"
          rules={REQUEST_FORM_FIELD_RULES.timeOff.endTime}
          label="Time"
          testID="end-time-select"
          options={filteredEndTimeSlots}
          disabled={isEndTimeDisabled}
          placeholder="Select time"
          leftIcon={
            <ClockIcon
              width={24}
              height={24}
              color={theme.colors.icon.active}
            />
          }
          errorMessage={endTimeErrorMessage}
        />
      </View>
      <FormInput
        control={control}
        name="note"
        disabled={isSubmitting}
        rules={REQUEST_FORM_FIELD_RULES.timeOff.note}
        placeholder="Type something"
        label="Reason"
        testID="reason-input"
        onChangeText={handleClearNoteError}
      />
    </WrapperRequest>
  );
};
 
const useStyles = makeStyles(theme => ({
  content: {
    flex: 1,
    gap: theme.metrics.spacing[4],
  },
  overlay: {
    position: 'absolute',
    top: theme.metrics.spacing[0],
    bottom: theme.metrics.spacing[0],
    left: theme.metrics.spacing[0],
    right: theme.metrics.spacing[0],
    backgroundColor: 'rgba(0,0,0,0.35)',
    justifyContent: 'center',
    alignItems: 'center',
    zIndex: 9999,
  },
  subTitle: {
    fontSize: theme.metrics.textSize[20],
    color: theme.colors.text.error,
  },
  inputGroup: {
    marginTop: theme.metrics.spacing[4],
    gap: theme.metrics.spacing[0.5],
  },
  backButtonDisabled: {
    opacity: theme.metrics.opacity[30],
  },
}));
 
export default TimeOff;