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[GAL-4176] add optimisticUpdater to useFollowMutation #2053

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[GAL-4176] add optimisticUpdater to useFollowMutation #2053

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26 changes: 24 additions & 2 deletions packages/shared/src/relay/useFollowUser.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import { useCallback } from 'react';
import { graphql, useFragment } from 'react-relay';
import { SelectorStoreUpdater } from 'relay-runtime';

import { useFollowUserFragment$key } from '~/generated/useFollowUserFragment.graphql';
import { useFollowUserMutation } from '~/generated/useFollowUserMutation.graphql';
Expand All @@ -8,9 +9,10 @@ import { usePromisifiedMutation } from './usePromisifiedMutation';

type useFollowUserArgs = {
queryRef: useFollowUserFragment$key;
connectionIds: string[];
};

export default function useFollowUser({ queryRef }: useFollowUserArgs) {
export default function useFollowUser({ queryRef, connectionIds }: useFollowUserArgs) {
const query = useFragment(
graphql`
fragment useFollowUserFragment on Query {
Expand Down Expand Up @@ -62,9 +64,23 @@ export default function useFollowUser({ queryRef }: useFollowUserArgs) {
`
);

const updater: SelectorStoreUpdater<useFollowUserMutation['response']> = (store, response) => {
console.log('store', store);
if (response.followUser?.__typename === 'FollowUserPayload') {
/*
for (const connectionId of connectionIds) {
const pageInfo = store.get(connectionId)?.getLinkedRecord('pageInfo');

pageInfo?.setValue(((pageInfo?.getValue('total') as number) ?? 0) + 1, 'total');
}*/
}
};

return useCallback(
async (followeeId: string) => {
await followUserMutate({
updater,
optimisticUpdater: updater,
optimisticResponse: {
followUser: {
__typename: 'FollowUserPayload',
Expand All @@ -82,6 +98,12 @@ export default function useFollowUser({ queryRef }: useFollowUserArgs) {
variables: { userId: followeeId },
});
},
[followUserMutate, query.viewer?.id, query.viewer?.user?.following, query.viewer?.user?.id]
[
followUserMutate,
query.viewer?.id,
query.viewer?.user?.following,
query.viewer?.user?.id,
updater,
]
);
}
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