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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| import { useEffect, useState } from 'react'; | ||
| import { supabase } from '@backend/supabaseBrowserClient'; | ||
| import type { Document } from 'src/Types'; | ||
| import { Spinner } from '@components/Spinner'; | ||
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| const CANTALOUPE_PATH: string | undefined = import.meta.env.PUBLIC_IIIF_CANTALOUPE_PATH; | ||
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| interface IIIFImageThumbnailProps { | ||
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| document: Document; | ||
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| } | ||
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| export const IIIFImageThumbnail = (props: IIIFImageThumbnailProps) => { | ||
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| const { document } = props; | ||
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| const [authToken, setAuthToken] = useState<string | undefined>(); | ||
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| const [thumbnailBlob, setThumbnailBlob] = useState<string | undefined>(); | ||
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| const isUploadedFile = document.content_type?.startsWith('image/'); | ||
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| const imageManifest = isUploadedFile | ||
| ? `${CANTALOUPE_PATH}/${document.id}/info.json` | ||
| : document.meta_data?.url; | ||
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| const thumbnailURL = imageManifest?.replace('/info.json', '/square/max/0/default.jpg'); | ||
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| useEffect(() => { | ||
| // Standard image tag | ||
| if (!isUploadedFile || !thumbnailURL) return; | ||
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| supabase.auth.getSession().then(({ error, data }) => { | ||
| if (error) { | ||
| // Shouldn't really happen at this point | ||
| console.error(error); | ||
| } else { | ||
| setAuthToken(data.session?.access_token); | ||
| } | ||
| }); | ||
| }, []); | ||
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| useEffect(() => { | ||
| if (!authToken || !thumbnailURL) return; | ||
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| fetch(thumbnailURL, { | ||
| headers: { | ||
| 'Authorization': `Bearer ${authToken}` | ||
| } | ||
| }).then(res => { | ||
| if (!res.ok) { | ||
| console.error('Failed thumbnail download', res); | ||
| } else { | ||
| res.blob().then(blob => { | ||
| const objectURL = URL.createObjectURL(blob); | ||
| setThumbnailBlob(objectURL); | ||
| }); | ||
| } | ||
| }).catch(error => { | ||
| console.error('Failed thumbnail download', error); | ||
| }); | ||
| }, [authToken]); | ||
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| useEffect(() => { | ||
| // Cleanup: free resources properly on unmount | ||
| if (!thumbnailBlob) return; | ||
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| return () => { | ||
| URL.revokeObjectURL(thumbnailBlob); | ||
| } | ||
| }, [thumbnailBlob]); | ||
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| return isUploadedFile ? ( | ||
| <div className='document-card-image-container'> | ||
| {!thumbnailBlob ? ( | ||
| <div className="spinner-container"> | ||
| <Spinner className='search-icon spinner' size={14} /> | ||
| </div> | ||
| ) : ( | ||
| <img | ||
| src={thumbnailBlob} | ||
| height={200} | ||
| width={200} | ||
| /> | ||
| )} | ||
| </div> | ||
| ) : ( | ||
| <div className='document-card-image-container'> | ||
| <img | ||
| src={thumbnailURL} | ||
| height={200} | ||
| width={200} | ||
| /> | ||
| </div> | ||
| ); | ||
|
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| } |
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