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import { useInfiniteQuery } from '@tanstack/react-query';
import { useMemo, useEffect, useCallback } from 'react';
import { SiteSubscriptionsFilterBy, SiteSubscriptionsSortBy } from '../constants';
import { useSiteSubscriptionsQueryProps } from '../contexts';
import { callApi } from '../helpers';
import { useCacheKey, useIsLoggedIn, useIsQueryEnabled } from '../hooks';
import type { SiteSubscriptionsResponseItem } from '../types';
export const siteSubscriptionsQueryKeyPrefix = [ 'read', 'site-subscriptions' ];
type SubscriptionManagerSiteSubscriptions = {
subscriptions: SiteSubscriptionsResponseItem[];
page: number;
total_subscriptions: number;
};
type SubscriptionManagerSiteSubscriptionsQueryProps = {
number?: number;
};
const sortByDateSubscribed = (
a: SiteSubscriptionsResponseItem,
b: SiteSubscriptionsResponseItem
) =>
a.date_subscribed instanceof Date && b.date_subscribed instanceof Date
? b.date_subscribed.getTime() - a.date_subscribed.getTime()
: 0;
const sortByLastUpdated = ( a: SiteSubscriptionsResponseItem, b: SiteSubscriptionsResponseItem ) =>
a.last_updated instanceof Date && b.last_updated instanceof Date
? b.last_updated.getTime() - a.last_updated.getTime()
: 0;
const sortBySiteName = ( a: SiteSubscriptionsResponseItem, b: SiteSubscriptionsResponseItem ) =>
a.name.localeCompare( b.name );
const getSortFunction = ( sortTerm: SiteSubscriptionsSortBy ) => {
switch ( sortTerm ) {
case SiteSubscriptionsSortBy.DateSubscribed:
return sortByDateSubscribed;
case SiteSubscriptionsSortBy.LastUpdated:
return sortByLastUpdated;
case SiteSubscriptionsSortBy.SiteName:
return sortBySiteName;
default:
return undefined;
}
};
const useSiteSubscriptionsQuery = ( {
number = 100,
}: SubscriptionManagerSiteSubscriptionsQueryProps = {} ) => {
const { isLoggedIn } = useIsLoggedIn();
const enabled = useIsQueryEnabled();
const cacheKey = useCacheKey( siteSubscriptionsQueryKeyPrefix );
const { searchTerm, filterOption, sortTerm } = useSiteSubscriptionsQueryProps();
const { data, fetchNextPage, hasNextPage, isFetchingNextPage, isFetching, ...rest } =
useInfiniteQuery< SubscriptionManagerSiteSubscriptions >( {
queryKey: cacheKey,
queryFn: async ( { pageParam } ) => {
const data = await callApi< SubscriptionManagerSiteSubscriptions >( {
path: `/read/following/mine?number=${ number }&page=${ pageParam }`,
isLoggedIn,
apiVersion: '1.2',
} );
return {
...data,
subscriptions: data.subscriptions
? data.subscriptions.map( ( subscription ) => ( {
...subscription,
last_updated: new Date( subscription.last_updated ),
date_subscribed: new Date( subscription.date_subscribed ),
} ) )
: [],
};
},
enabled,
initialPageParam: 1,
getNextPageParam: ( lastPage, pages ) => {
return lastPage.page * number < lastPage.total_subscriptions ? pages.length + 1 : undefined;
},
refetchOnWindowFocus: false,
} );
const nextPage = hasNextPage && ! isFetching && data ? data.pages.length + 1 : null;
useEffect( () => {
if ( nextPage ) {
fetchNextPage();
}
}, [ nextPage, fetchNextPage ] );
const filterFunction = useCallback(
( item: SiteSubscriptionsResponseItem ) => {
switch ( filterOption ) {
case SiteSubscriptionsFilterBy.Paid:
return item.is_paid_subscription;
case SiteSubscriptionsFilterBy.P2:
return item.is_wpforteams_site;
case SiteSubscriptionsFilterBy.RSS:
return item.is_rss;
case SiteSubscriptionsFilterBy.All:
default:
return true;
}
},
[ filterOption ]
);
const resultData = useMemo( () => {
// Flatten all the pages into a single array containing all subscriptions
const flattenedData = data?.pages?.map( ( page ) => page.subscriptions ).flat();
const searchTermLowerCase = searchTerm.toLowerCase();
const searchFilter = ( item: SiteSubscriptionsResponseItem ) => {
if ( searchTerm === '' ) {
return true;
}
return (
item?.name?.toLowerCase?.().includes( searchTermLowerCase ) ||
item?.URL?.toLowerCase?.().includes( searchTermLowerCase )
);
};
const sort = getSortFunction( sortTerm );
return {
subscriptions:
flattenedData
?.filter( ( item ) => item !== null && filterFunction( item ) && searchFilter( item ) )
.sort( sort ) ?? [],
totalCount: data?.pages?.[ 0 ]?.total_subscriptions ?? 0,
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [ data?.pages, filterOption, searchTerm, sortTerm ] );
return {
data: resultData,
isFetchingNextPage,
isFetching,
hasNextPage,
...rest,
};
};
export default useSiteSubscriptionsQuery;
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