| 1 | 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{ EventEmitter, Subscription, UnavailabilityError } from '@unimodules/core';\nimport { Platform } from 'react-native';\nimport { PermissionResponse, PermissionStatus } from 'unimodules-permissions-interface';\n\nimport MediaLibrary from './ExponentMediaLibrary';\n\nconst eventEmitter = new EventEmitter(MediaLibrary);\n\nexport type MediaTypeValue = 'audio' | 'photo' | 'video' | 'unknown';\nexport type SortByKey =\n | 'default'\n | 'mediaType'\n | 'width'\n | 'height'\n | 'creationTime'\n | 'modificationTime'\n | 'duration';\nexport type SortByValue = [SortByKey, boolean] | SortByKey;\n\nexport type MediaTypeObject = {\n audio: 'audio';\n photo: 'photo';\n video: 'video';\n unknown: 'unknown';\n};\n\nexport type SortByObject = {\n default: 'default';\n mediaType: 'mediaType';\n width: 'width';\n height: 'height';\n creationTime: 'creationTime';\n modificationTime: 'modificationTime';\n duration: 'duration';\n};\n\nexport type Asset = {\n id: string;\n filename: string;\n uri: string;\n mediaType: MediaTypeValue;\n mediaSubtypes?: string[]; // iOS only\n width: number;\n height: number;\n creationTime: number;\n modificationTime: number;\n duration: number;\n albumId?: string; // Android only\n};\n\nexport type AssetInfo = Asset & {\n localUri?: string;\n location?: Location;\n exif?: object;\n isFavorite?: boolean; //iOS only\n};\n\nexport type Location = {\n latitude: number;\n longitude: number;\n};\n\nexport type Album = {\n id: string;\n title: string;\n assetCount: number;\n type?: string; // iOS only\n\n // iOS moments only\n startTime: number;\n endTime: number;\n approximateLocation?: Location;\n locationNames?: string[];\n};\n\nexport type AlbumsOptions = {\n // iOS only\n includeSmartAlbums?: boolean;\n};\n\nexport type AssetsOptions = {\n first?: number;\n after?: AssetRef;\n album?: AlbumRef;\n sortBy?: SortByValue[] | SortByValue;\n mediaType?: MediaTypeValue[] | MediaTypeValue;\n createdAfter?: Date | number;\n createdBefore?: Date | number;\n};\n\nexport type PagedInfo<T> = {\n assets: T[];\n endCursor: string;\n hasNextPage: boolean;\n totalCount: number;\n};\n\nexport { PermissionStatus, PermissionResponse };\n\nexport type AssetRef = Asset | string;\nexport type AlbumRef = Album | string;\n\nfunction arrayize(item: any): any[] {\n if (Array.isArray(item)) {\n return item;\n }\n return item ? [item] : [];\n}\n\nfunction getId(ref: any): string | undefined {\n if (typeof ref === 'string') {\n return ref;\n }\n return ref ? ref.id : undefined;\n}\n\nfunction checkAssetIds(assetIds: any): void {\n if (assetIds.some(id => !id || typeof id !== 'string')) {\n throw new Error('Asset ID must be a string!');\n }\n}\n\nfunction checkAlbumIds(albumIds: any): void {\n if (albumIds.some(id => !id || typeof id !== 'string')) {\n throw new Error('Album ID must be a string!');\n }\n}\n\nfunction checkMediaType(mediaType: any): void {\n if (Object.values(MediaType).indexOf(mediaType) === -1) {\n throw new Error(`Invalid mediaType: ${mediaType}`);\n }\n}\n\nfunction checkSortBy(sortBy: any): void {\n if (Array.isArray(sortBy)) {\n checkSortByKey(sortBy[0]);\n\n if (typeof sortBy[1] !== 'boolean') {\n throw new Error('Invalid sortBy array argument. Second item must be a boolean!');\n }\n } else {\n checkSortByKey(sortBy);\n }\n}\n\nfunction checkSortByKey(sortBy: any): void {\n if (Object.values(SortBy).indexOf(sortBy) === -1) {\n throw new Error(`Invalid sortBy key: ${sortBy}`);\n }\n}\n\nfunction dateToNumber(value?: Date | number): number | undefined {\n return value instanceof Date ? value.getTime() : value;\n}\n\n// export constants\nexport const MediaType: MediaTypeObject = MediaLibrary.MediaType;\nexport const SortBy: SortByObject = MediaLibrary.SortBy;\n\nexport async function requestPermissionsAsync(): Promise<PermissionResponse> {\n if (!MediaLibrary.requestPermissionsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'requestPermissionsAsync');\n }\n return await MediaLibrary.requestPermissionsAsync();\n}\n\nexport async function getPermissionsAsync(): Promise<PermissionResponse> {\n if (!MediaLibrary.getPermissionsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getPermissionsAsync');\n }\n return await MediaLibrary.getPermissionsAsync();\n}\n\nexport async function createAssetAsync(localUri: string): Promise<Asset> {\n if (!MediaLibrary.createAssetAsync) {\n throw new UnavailabilityError('MediaLibrary', 'createAssetAsync');\n }\n\n if (!localUri || typeof localUri !== 'string') {\n throw new Error('Invalid argument \"localUri\". It must be a string!');\n }\n const asset = await MediaLibrary.createAssetAsync(localUri);\n\n if (Array.isArray(asset)) {\n // Android returns an array with asset, we need to pick the first item\n return asset[0];\n }\n return asset;\n}\n\nexport async function saveToLibraryAsync(localUri: string): Promise<void> {\n if (!MediaLibrary.saveToLibraryAsync) {\n throw new UnavailabilityError('MediaLibrary', 'saveToLibraryAsync');\n }\n return await MediaLibrary.saveToLibraryAsync(localUri);\n}\n\nexport async function addAssetsToAlbumAsync(\n assets: AssetRef[] | AssetRef,\n album: AlbumRef,\n copy: boolean = true\n) {\n if (!MediaLibrary.addAssetsToAlbumAsync) {\n throw new UnavailabilityError('MediaLibrary', 'addAssetsToAlbumAsync');\n }\n\n const assetIds = arrayize(assets).map(getId);\n const albumId = getId(album);\n\n checkAssetIds(assetIds);\n\n if (!albumId || typeof albumId !== 'string') {\n throw new Error('Invalid album ID. It must be a string!');\n }\n\n if (Platform.OS === 'ios') {\n return await MediaLibrary.addAssetsToAlbumAsync(assetIds, albumId);\n }\n return await MediaLibrary.addAssetsToAlbumAsync(assetIds, albumId, !!copy);\n}\n\nexport async function removeAssetsFromAlbumAsync(assets: AssetRef[] | AssetRef, album: AlbumRef) {\n if (!MediaLibrary.removeAssetsFromAlbumAsync) {\n throw new UnavailabilityError('MediaLibrary', 'removeAssetsFromAlbumAsync');\n }\n\n const assetIds = arrayize(assets).map(getId);\n const albumId = getId(album);\n\n checkAssetIds(assetIds);\n return await MediaLibrary.removeAssetsFromAlbumAsync(assetIds, albumId);\n}\n\nexport async function deleteAssetsAsync(assets: AssetRef[] | AssetRef) {\n if (!MediaLibrary.deleteAssetsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'deleteAssetsAsync');\n }\n\n const assetIds = arrayize(assets).map(getId);\n\n checkAssetIds(assetIds);\n return await MediaLibrary.deleteAssetsAsync(assetIds);\n}\n\nexport async function getAssetInfoAsync(asset: AssetRef): Promise<AssetInfo> {\n if (!MediaLibrary.getAssetInfoAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getAssetInfoAsync');\n }\n\n const assetId = getId(asset);\n\n checkAssetIds([assetId]);\n\n const assetInfo = await MediaLibrary.getAssetInfoAsync(assetId);\n\n if (Array.isArray(assetInfo)) {\n // Android returns an array with asset info, we need to pick the first item\n return assetInfo[0];\n }\n return assetInfo;\n}\n\nexport async function getAlbumsAsync({ includeSmartAlbums = false }: AlbumsOptions = {}): Promise<\n Album[]\n> {\n if (!MediaLibrary.getAlbumsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getAlbumsAsync');\n }\n return await MediaLibrary.getAlbumsAsync({ includeSmartAlbums });\n}\n\nexport async function getAlbumAsync(title: string): Promise<Album> {\n if (!MediaLibrary.getAlbumAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getAlbumAsync');\n }\n if (typeof title !== 'string') {\n throw new Error('Album title must be a string!');\n }\n return await MediaLibrary.getAlbumAsync(title);\n}\n\nexport async function createAlbumAsync(\n albumName: string,\n asset?: AssetRef,\n copyAsset: boolean = true\n): Promise<Album> {\n if (!MediaLibrary.createAlbumAsync) {\n throw new UnavailabilityError('MediaLibrary', 'createAlbumAsync');\n }\n\n const assetId = getId(asset);\n\n if (Platform.OS === 'android' && (typeof assetId !== 'string' || assetId.length === 0)) {\n // it's not possible to create empty album on Android, so initial asset must be provided\n throw new Error('MediaLibrary.createAlbumAsync must be called with an asset on Android.');\n }\n if (!albumName || typeof albumName !== 'string') {\n throw new Error('Invalid argument \"albumName\". It must be a string!');\n }\n if (assetId != null && typeof assetId !== 'string') {\n throw new Error('Asset ID must be a string!');\n }\n\n if (Platform.OS === 'ios') {\n return await MediaLibrary.createAlbumAsync(albumName, assetId);\n }\n return await MediaLibrary.createAlbumAsync(albumName, assetId, !!copyAsset);\n}\n\nexport async function deleteAlbumsAsync(\n albums: AlbumRef[] | AlbumRef,\n assetRemove: boolean = false\n) {\n if (!MediaLibrary.deleteAlbumsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'deleteAlbumsAsync');\n }\n\n const albumIds = arrayize(albums).map(getId);\n\n checkAlbumIds(albumIds);\n if (Platform.OS === 'android') {\n return await MediaLibrary.deleteAlbumsAsync(albumIds);\n }\n return await MediaLibrary.deleteAlbumsAsync(albumIds, !!assetRemove);\n}\n\nexport async function getAssetsAsync(assetsOptions: AssetsOptions = {}): Promise<PagedInfo<Asset>> {\n if (!MediaLibrary.getAssetsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getAssetsAsync');\n }\n\n const { first, after, album, sortBy, mediaType, createdAfter, createdBefore } = assetsOptions;\n\n const options = {\n first: first == null ? 20 : first,\n after: getId(after),\n album: getId(album),\n sortBy: arrayize(sortBy),\n mediaType: arrayize(mediaType || [MediaType.photo]),\n createdAfter: dateToNumber(createdAfter),\n createdBefore: dateToNumber(createdBefore),\n };\n\n if (first != null && typeof options.first !== 'number') {\n throw new Error('Option \"first\" must be a number!');\n }\n if (after != null && typeof options.after !== 'string') {\n throw new Error('Option \"after\" must be a string!');\n }\n if (album != null && typeof options.album !== 'string') {\n throw new Error('Option \"album\" must be a string!');\n }\n\n options.sortBy.forEach(checkSortBy);\n options.mediaType.forEach(checkMediaType);\n\n return await MediaLibrary.getAssetsAsync(options);\n}\n\nexport function addListener(listener: () => void): Subscription {\n const subscription = eventEmitter.addListener(MediaLibrary.CHANGE_LISTENER_NAME, listener);\n return subscription;\n}\n\nexport function removeSubscription(subscription: Subscription): void {\n subscription.remove();\n}\n\nexport function removeAllListeners(): void {\n eventEmitter.removeAllListeners(MediaLibrary.CHANGE_LISTENER_NAME);\n}\n\n// iOS only\nexport async function getMomentsAsync() {\n if (!MediaLibrary.getMomentsAsync) {\n throw new UnavailabilityError('MediaLibrary', 'getMomentsAsync');\n }\n\n return await MediaLibrary.getMomentsAsync();\n}\n"]} |