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import { useMutation, useQueryClient } from '@tanstack/react-query';
import { EmailDeliveryFrequency } from '../constants';
import { callApi, applyCallbackToPages, buildQueryKey } from '../helpers';
import {
alterSiteSubscriptionDetails,
invalidateSiteSubscriptionDetails,
} from '../helpers/optimistic-update';
import { useIsLoggedIn } from '../hooks';
import type {
PagedQueryResult,
SiteSubscriptionsResponseItem,
SiteSubscriptionDetails,
} from '../types';
type SiteSubscriptionDeliveryFrequencyParams = {
delivery_frequency: EmailDeliveryFrequency;
blog_id: number | string;
subscriptionId: number;
};
type SubscriptionResponse = {
blog_ID: string;
delivery_frequency: EmailDeliveryFrequency;
status: string;
ts: Date;
};
type SiteSubscriptionDeliveryFrequencyResponse = {
success: boolean;
subscribed: boolean;
subscription: SubscriptionResponse | null;
};
const useSiteDeliveryFrequencyMutation = () => {
const { id, isLoggedIn } = useIsLoggedIn();
const queryClient = useQueryClient();
return useMutation( {
mutationFn: async ( params: SiteSubscriptionDeliveryFrequencyParams ) => {
if ( ! params.blog_id || ! params.delivery_frequency ) {
throw new Error(
// reminder: translate this string when we add it to the UI
'Something went wrong while saving the delivery frequency.'
);
}
const response = await callApi< SiteSubscriptionDeliveryFrequencyResponse >( {
path: `/read/site/${ params.blog_id }/post_email_subscriptions/update`,
method: 'POST',
body: {
delivery_frequency: params.delivery_frequency,
},
isLoggedIn,
apiVersion: '1.2',
} );
if ( ! response.success ) {
throw new Error(
// reminder: translate this string when we add it to the UI
'Something went wrong while saving the delivery frequency.'
);
}
return response;
},
onMutate: async ( { blog_id, delivery_frequency, subscriptionId } ) => {
const siteSubscriptionsCacheKey = buildQueryKey(
[ 'read', 'site-subscriptions' ],
isLoggedIn,
id
);
await queryClient.cancelQueries( { queryKey: siteSubscriptionsCacheKey } );
const previousSiteSubscriptions =
queryClient.getQueryData<
PagedQueryResult< SiteSubscriptionsResponseItem, 'subscriptions' >
>( siteSubscriptionsCacheKey );
const mutatedSiteSubscriptions = applyCallbackToPages<
'subscriptions',
SiteSubscriptionsResponseItem
>( previousSiteSubscriptions, ( page ) => ( {
...page,
subscriptions: page.subscriptions.map( ( siteSubscription ) => {
if ( siteSubscription.blog_ID === blog_id ) {
return {
...siteSubscription,
delivery_methods: {
...siteSubscription.delivery_methods,
email: {
...( siteSubscription.delivery_methods?.email ?? { send_posts: false } ),
post_delivery_frequency: delivery_frequency,
},
},
};
}
return siteSubscription;
} ),
} ) );
queryClient.setQueryData( siteSubscriptionsCacheKey, mutatedSiteSubscriptions );
const previousSiteSubscriptionDetails = await alterSiteSubscriptionDetails(
queryClient,
{ blogId: String( blog_id ), subscriptionId: String( subscriptionId ), isLoggedIn, id },
( previousData ) => {
return {
...previousData,
delivery_methods: {
...previousData.delivery_methods,
email: {
...( previousData.delivery_methods?.email ?? { send_posts: false } ),
post_delivery_frequency: delivery_frequency,
},
},
} as SiteSubscriptionDetails;
}
);
return {
previousSiteSubscriptions,
previousSiteSubscriptionDetails,
};
},
onError: ( err, _, context ) => {
queryClient.setQueryData(
buildQueryKey( [ 'read', 'site-subscriptions' ], isLoggedIn, id ),
context?.previousSiteSubscriptions
);
if ( context?.previousSiteSubscriptionDetails ) {
for ( const { key, data } of context.previousSiteSubscriptionDetails ) {
queryClient.setQueryData( key, data );
}
}
},
onSettled: ( _data, _err, { blog_id, subscriptionId } ) => {
invalidateSiteSubscriptionDetails( queryClient, {
blogId: String( blog_id ),
subscriptionId: String( subscriptionId ),
isLoggedIn,
id,
} );
queryClient.invalidateQueries( {
queryKey: [ 'read', 'subscriptions', subscriptionId, isLoggedIn, id ],
} );
},
} );
};
export default useSiteDeliveryFrequencyMutation;
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