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import { useMutation, useQueryClient } from '@tanstack/react-query';
import { useCallback } from 'react';
import { useDispatch } from 'react-redux';
import {
failMediaItemRequest,
receiveMedia,
successMediaItemRequest,
} from 'calypso/state/media/actions';
import { createTransientMediaItems } from 'calypso/state/media/thunks/create-transient-media-items';
import { isFileList } from 'calypso/state/media/utils/is-file-list';
export const useUploadMediaMutation = ( queryOptions = {} ) => {
const queryClient = useQueryClient();
const dispatch = useDispatch();
const mutation = useMutation( {
mutationFn: ( { file, siteId, postId, uploader } ) => uploader( file, siteId, postId ),
onSuccess( { media: [ uploadedMedia ], found }, { siteId, transientMedia } ) {
const uploadedMediaWithTransientId = {
...uploadedMedia,
transientId: transientMedia.ID,
};
dispatch( successMediaItemRequest( siteId, transientMedia.ID ) );
dispatch( receiveMedia( siteId, uploadedMediaWithTransientId, found ) );
queryClient.invalidateQueries( {
queryKey: [ 'media-storage', siteId ],
} );
},
onError( error, { siteId, transientMedia } ) {
dispatch( failMediaItemRequest( siteId, transientMedia.ID, error ) );
},
...queryOptions,
} );
const { mutateAsync } = mutation;
const uploadMediaAsync = useCallback(
async ( files, site, postId, uploader ) => {
// https://stackoverflow.com/questions/25333488/why-isnt-the-filelist-object-an-array
if ( isFileList( files ) ) {
files = Array.from( files );
} else if ( ! Array.isArray( files ) ) {
files = [ files ];
}
const uploadedItems = [];
const transientItems = dispatch( createTransientMediaItems( files, site ) );
const { ID: siteId } = site;
const uploads = files.map( ( _, i ) => [ files[ i ], transientItems[ i ] ] );
for await ( const [ file, transientMedia ] of uploads ) {
if ( ! transientMedia ) {
// there was an error creating the transient media so just move on to the next one
continue;
}
const response = await mutateAsync( { file, siteId, postId, uploader, transientMedia } );
uploadedItems.push( response.media[ 0 ] );
}
return uploadedItems;
},
[ mutateAsync, dispatch ]
);
return { ...mutation, uploadMediaAsync };
};
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