All files / apps/host/src/screens/LazyLoadReallocation index.tsx

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import React, { useCallback, useEffect, useMemo, useRef } from 'react';
import ErrorBoundary from 'react-native-error-boundary';
import Toast from 'react-native-toast-message';
import { StyleSheet, Text, View } from 'react-native';
 
import { useFocusEffect } from '@react-navigation/native';
 
import { REALLOCATION_DESTINATION_HOME } from '@repo/constants/request';
import { SCREENS } from '@repo/constants/screens';
 
import { useGetEmployees, useGetHolidays } from '@repo/hooks';
 
import { EmailOption, MealReservationFormType, ReallocationFormType } from '@repo/types/form';
 
import { mergeDateAndTimeToISO } from '@repo/utils/date';
import { getErrorMessage } from '@repo/utils/error';
 
import { FallbackError } from '@/components/FallbackError';
import { LoadingSlider } from '@/components/LoadingSlider';
 
import { useChat } from '@/contexts/ChatContext';
 
import { REQUEST_FIELDS } from '@/constants/request';
 
import type { AppStackScreenProps } from '@/types/navigation';
import { type ReallocationRequestParams, RequestCategory } from '@/types/request';
 
const MealReservationRemote = React.lazy(
  // @ts-ignore
  () => import('mealReservation/MealReservation'),
);
 
import { useEnableOldUI } from '@repo/hooks/flags';
 
import { FallbackLoadRemote } from '@/components/FallbackLoadRemote';
 
import { useAuth } from '@/contexts/AuthContext';
 
import { useBlockBackNavigationWhileSubmitting } from '@/hooks/useBlockNavigation';
import { useRegistrationData } from '@/hooks/useRegistrationData';
import { useCreateRequest } from '@/hooks/useRequest';
import { useGetRooms } from '@/hooks/useRoom';
 
import { basicAuthHttps } from '@/services/mainHttpClient';
import { sentryService } from '@/services/sentryService';
 
const ReallocationRemote = React.lazy(
  // @ts-ignore
  () => import('reallocation/Reallocation'),
);
 
const REALLOCATION_STEP = {
  REALLOCATION: RequestCategory.REALLOCATION,
  MEAL: RequestCategory.MEAL_RESERVATION,
} as const;
 
type ReallocationStep = (typeof REALLOCATION_STEP)[keyof typeof REALLOCATION_STEP];
 
type LazyLoadReallocationScreenProps = AppStackScreenProps<typeof SCREENS.REALLOCATION>;
 
export const LazyLoadReallocationScreen = ({ navigation }: LazyLoadReallocationScreenProps) => {
  const { user } = useAuth();
  const { setFabOffset } = useChat();
  const { value: enableOldUI } = useEnableOldUI(user?.email);
 
  const [step, setStep] = React.useState<ReallocationStep>(REALLOCATION_STEP.REALLOCATION);
  const [reallocationFormData, setReallocationFormData] =
    React.useState<ReallocationFormType | null>(null);
 
  // Ref to store the close modals function from Reallocation component
  const closeModalsRef = useRef<(() => void) | null>(null);
 
  // Close modals when screen loses focus (e.g., when navigating away via notification)
  useFocusEffect(
    useCallback(() => {
      return () => {
        // This runs when the screen loses focus
        closeModalsRef.current?.();
      };
    }, []),
  );
 
  const {
    meInfo,
    registration,
    isLoading: isLoadingData,
    isError: isDataError,
    isLoadingRegistration,
    isRegistrationError,
  } = useRegistrationData(user?.email || '');
 
  // Sync reallocationFormData with latest user room info
  React.useEffect(() => {
    if (meInfo?.room?.id && !reallocationFormData?.origin) {
      setReallocationFormData(
        prev => ({ ...prev, ...(prev || {}), origin: meInfo.room.id }) as ReallocationFormType,
      );
    }
  }, [meInfo?.room?.id, reallocationFormData?.origin]);
 
  const { data: rooms, isLoading: isLoadingRooms, isError: isRoomsError } = useGetRooms(false);
  const {
    data: employees,
    isLoading: isLoadingEmployees,
    isError: isGetEmployeesError,
  } = useGetEmployees();
 
  const {
    data: currentYearHolidays,
    isLoading: isLoadingHolidaysForCurrentYear,
    isError: isGetHolidaysErrorForCurrentYear,
  } = useGetHolidays(new Date().getFullYear(), { httpClient: basicAuthHttps });
  const {
    data: nextYearHolidays,
    isLoading: isLoadingHolidaysForNextYear,
    isError: isGetHolidaysErrorForNextYear,
  } = useGetHolidays(new Date().getFullYear() + 1, {
    httpClient: basicAuthHttps,
  });
 
  const holidays = useMemo(() => {
    Iif (!currentYearHolidays && !nextYearHolidays) return [];
 
    return [...(currentYearHolidays?.holidays ?? []), ...(nextYearHolidays?.holidays ?? [])];
  }, [currentYearHolidays, nextYearHolidays]);
 
  const makeUpWorkdays = useMemo(() => {
    Iif (!currentYearHolidays && !nextYearHolidays) return [];
 
    return [
      ...(currentYearHolidays?.makeUpWorkdays ?? []),
      ...(nextYearHolidays?.makeUpWorkdays ?? []),
    ];
  }, [currentYearHolidays, nextYearHolidays]);
 
  const { mutate, isPending: isSubmitting } = useCreateRequest(
    () => {
      Toast.show({
        type: 'success',
        text1: 'Reallocation request created successfully',
      });
      if (enableOldUI) {
        navigation.navigate(SCREENS.BOTTOM_TAB, {
          screen: SCREENS.MY_REQUEST,
        });
      } else E{
        navigation.navigate(SCREENS.HOME_V2);
      }
    },
    (error: unknown) => {
      const apiMessage = getErrorMessage(error);
      Toast.show({
        type: 'error',
        text1: 'Failed to create reallocation request',
        ...(apiMessage && { text2: apiMessage }),
      });
    },
  );
 
  useBlockBackNavigationWhileSubmitting(navigation, isSubmitting);
 
  const handleBack = () => {
    if (step === REALLOCATION_STEP.MEAL) {
      setStep(REALLOCATION_STEP.REALLOCATION);
    } else {
      navigation.goBack();
    }
  };
 
  const handleSubmitReallocation = (formData: ReallocationFormType) => {
    setReallocationFormData(formData);
    if (formData.dest === REALLOCATION_DESTINATION_HOME) {
      const room = rooms?.find(r => r.id === formData.dest);
      const isoTime = mergeDateAndTimeToISO(formData.date!, formData.time);
      Iif (!isoTime) return;
 
      const dataToSubmit = {
        cc: formData.emails,
        [REQUEST_FIELDS.CATEGORY]: RequestCategory.REALLOCATION,
        [REQUEST_FIELDS.DATA]: {
          origin: formData.origin,
          dest: formData.dest,
          time: isoTime,
          note: formData.note,
        },
        [REQUEST_FIELDS.MEAL_CONFIG]: {
          lunch: false,
          breakfast: false,
          vegetarian: false,
          office: room?.office || '',
        },
      } as ReallocationRequestParams;
 
      mutate(dataToSubmit);
    } else {
      setStep(REALLOCATION_STEP.MEAL);
    }
  };
 
  const handleSubmitMeal = (mealFormData: MealReservationFormType) => {
    Iif (!reallocationFormData?.date) return;
 
    const isoTime = mergeDateAndTimeToISO(reallocationFormData.date, reallocationFormData.time);
    Iif (!isoTime) return;
 
    const room = rooms?.find(r => r.id === reallocationFormData.dest);
 
    const dataToSubmit = {
      cc: reallocationFormData.emails,
      [REQUEST_FIELDS.CATEGORY]: RequestCategory.REALLOCATION,
      [REQUEST_FIELDS.DATA]: {
        origin: reallocationFormData.origin,
        dest: reallocationFormData.dest,
        time: isoTime,
        note: reallocationFormData.note,
      },
      [REQUEST_FIELDS.MEAL_CONFIG]: {
        lunch: mealFormData.lunch,
        breakfast: mealFormData.breakfast,
        vegetarian: mealFormData.vegetarian,
        office: mealFormData.office ? mealFormData.office : room?.office || '',
      },
    } as ReallocationRequestParams;
 
    mutate(dataToSubmit);
  };
 
  const employeeOptions: EmailOption[] = useMemo(() => {
    return (employees || [])
      .map(e => ({ email: e.id, name: e.name, avatar: e.avatar }))
      .filter(e => e.email !== meInfo?.email);
  }, [employees, meInfo?.email]);
 
  const offices = useMemo(
    () => [...new Set((rooms || []).map(item => item.office).filter(Boolean))],
    [rooms],
  );
 
  useEffect(() => {
    setFabOffset(20);
  }, [setFabOffset]);
 
  const isLoading = [
    isLoadingData,
    isLoadingRooms,
    isLoadingEmployees,
    isLoadingHolidaysForCurrentYear,
    isLoadingHolidaysForNextYear,
  ].some(Boolean);
 
  const isError = [
    isDataError,
    isRoomsError,
    isGetEmployeesError,
    isGetHolidaysErrorForCurrentYear,
    isGetHolidaysErrorForNextYear,
    !!isRegistrationError,
  ].some(Boolean);
 
  return (
    <View style={styles.container}>
      {isError && <Text>Something when wrongs</Text>}
      {isLoading ? (
        <LoadingSlider />
      ) : (
        <ErrorBoundary
          FallbackComponent={FallbackError}
          onError={error => sentryService.captureException(error)}
        >
          <React.Suspense fallback={<FallbackLoadRemote />}>
            {step === REALLOCATION_STEP.REALLOCATION ? (
              <ReallocationRemote
                myRoom={meInfo?.room}
                rooms={rooms}
                employees={employeeOptions}
                isSubmitting={isSubmitting}
                holidays={holidays}
                makeUpWorkdays={makeUpWorkdays}
                submitButtonText="Next"
                // @ts-ignore
                initialValues={reallocationFormData}
                onBack={handleBack}
                onSubmit={handleSubmitReallocation}
                onScreenBlur={(closeModals: () => void) => {
                  closeModalsRef.current = closeModals;
                }}
              />
            ) : (
              <MealReservationRemote
                extraUsers={[]}
                office={registration?.office}
                offices={offices}
                breakfast={registration?.breakfast}
                lunch={registration?.lunch}
                vegetarian={registration?.vegetarian}
                isManager={false}
                isSubmitting={isSubmitting}
                isLoadingRegistration={isLoadingRegistration}
                submitButtonText="Submit Request"
                allowEmptyChange={true}
                reallocationDate={reallocationFormData?.date}
                showReallocationNotice={true}
                onBehalfOff={() => {}}
                onSelectUser={() => {}}
                onBack={handleBack}
                onSubmit={handleSubmitMeal}
                onScreenBlur={(closeModals: () => void) => {
                  closeModalsRef.current = closeModals;
                }}
              />
            )}
          </React.Suspense>
        </ErrorBoundary>
      )}
    </View>
  );
};
 
const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
});