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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| import { CameraRoll } from "@react-native-camera-roll/camera-roll"; | ||
| import type { | ||
| GetPhotosParams | ||
| } from "@react-native-camera-roll/camera-roll"; | ||
|
|
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| const setGalleryFetchOptions = ( album: string | null, lastCursor: string | null ) => { | ||
| const options: GetPhotosParams = { | ||
| first: 28, | ||
| assetType: "Photos", | ||
| groupTypes: ( album === null ) ? "All" : "Album", | ||
| include: ["location"] // This has a large performance impact on Android | ||
| }; | ||
|
|
||
| if ( album ) { // append for cases where album isn't null | ||
| options.groupName = album; | ||
| } | ||
|
|
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| if ( lastCursor ) { | ||
| options.after = lastCursor; | ||
| } | ||
|
|
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| return options; | ||
| }; | ||
|
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| const fetchGalleryPhotos = async ( album: string | null, lastCursor: string | null ) => { | ||
| const options = setGalleryFetchOptions( album, lastCursor ); | ||
|
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| const photos = await CameraRoll.getPhotos( options ); | ||
| return photos; | ||
| }; | ||
|
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| interface Asset { | ||
| node: { | ||
| image: { | ||
| uri: string | ||
| } | ||
| } | ||
| } | ||
|
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| const checkForUniquePhotos = ( | ||
| seen: Set<string>, | ||
| assets: Asset[] | ||
| ): { newSeen: Set<string>, uniqAssets: Asset[] } => { | ||
| // from cameraroll example: https://github.com/react-native-cameraroll/react-native-cameraroll/blob/7fa9b7c062c166cd94e62b4ab5d1f7b5f663c9a0/example/js/CameraRollView.js#L177 | ||
| // seen state can't be mutated locally, instead it's returned and | ||
| // used by the parent component to update state | ||
| const newSeen = new Set( seen ); | ||
|
|
||
| const uniqAssets = assets.filter( ( asset ) => { | ||
| const value = asset.node.image.uri; | ||
| if ( newSeen.has( value ) ) { | ||
| return false; | ||
| } | ||
| newSeen.add( value ); | ||
| return true; | ||
| } ); | ||
| return { uniqAssets, newSeen }; | ||
| }; | ||
|
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| export interface CondensedAlbum { | ||
| label: string, | ||
| value: string | ||
| } | ||
|
|
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| const fetchAlbums = async ( cameraRoll: CondensedAlbum[] ) => { | ||
| try { | ||
| const names = cameraRoll; | ||
| const albums = await CameraRoll.getAlbums( { assetType: "Photos" } ); | ||
|
|
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| if ( albums && albums.length > 0 ) { // attempt to fix error on android | ||
| albums.forEach( ( { count, title } ) => { | ||
| if ( count > 0 && title !== "Screenshots" ) { // remove screenshots from gallery | ||
| names.push( { label: title.toLocaleUpperCase( ), value: title } ); | ||
| } | ||
| } ); | ||
| } | ||
| return names; | ||
| } catch ( e ) { | ||
| return cameraRoll; | ||
| } | ||
| }; | ||
|
|
||
| export { | ||
| fetchGalleryPhotos, | ||
| checkForUniquePhotos, | ||
| fetchAlbums | ||
| }; |