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album.service.ts
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album.service.ts
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import { AlbumEntity, AssetEntity, UserEntity } from '@app/infra/entities';
import { BadRequestException, Inject, Injectable } from '@nestjs/common';
import { AccessCore, Permission } from '../access';
import { BulkIdErrorReason, BulkIdResponseDto, BulkIdsDto } from '../asset';
import { AuthUserDto } from '../auth';
import { JobName } from '../job';
import {
AlbumInfoOptions,
IAccessRepository,
IAlbumRepository,
IAssetRepository,
IJobRepository,
IUserRepository,
} from '../repositories';
import {
AlbumCountResponseDto,
AlbumResponseDto,
mapAlbum,
mapAlbumWithAssets,
mapAlbumWithoutAssets,
} from './album-response.dto';
import { AddUsersDto, AlbumInfoDto, CreateAlbumDto, GetAlbumsDto, UpdateAlbumDto } from './dto';
@Injectable()
export class AlbumService {
private access: AccessCore;
constructor(
@Inject(IAccessRepository) accessRepository: IAccessRepository,
@Inject(IAlbumRepository) private albumRepository: IAlbumRepository,
@Inject(IAssetRepository) private assetRepository: IAssetRepository,
@Inject(IJobRepository) private jobRepository: IJobRepository,
@Inject(IUserRepository) private userRepository: IUserRepository,
) {
this.access = new AccessCore(accessRepository);
}
async getCount(authUser: AuthUserDto): Promise<AlbumCountResponseDto> {
const [owned, shared, notShared] = await Promise.all([
this.albumRepository.getOwned(authUser.id),
this.albumRepository.getShared(authUser.id),
this.albumRepository.getNotShared(authUser.id),
]);
return {
owned: owned.length,
shared: shared.length,
notShared: notShared.length,
};
}
async getAll({ id: ownerId }: AuthUserDto, { assetId, shared }: GetAlbumsDto): Promise<AlbumResponseDto[]> {
const invalidAlbumIds = await this.albumRepository.getInvalidThumbnail();
for (const albumId of invalidAlbumIds) {
const newThumbnail = await this.assetRepository.getFirstAssetForAlbumId(albumId);
await this.albumRepository.update({ id: albumId, albumThumbnailAsset: newThumbnail });
}
let albums: AlbumEntity[];
if (assetId) {
albums = await this.albumRepository.getByAssetId(ownerId, assetId);
} else if (shared === true) {
albums = await this.albumRepository.getShared(ownerId);
} else if (shared === false) {
albums = await this.albumRepository.getNotShared(ownerId);
} else {
albums = await this.albumRepository.getOwned(ownerId);
}
// Get asset count for each album. Then map the result to an object:
// { [albumId]: assetCount }
const albumsAssetCount = await this.albumRepository.getAssetCountForIds(albums.map((album) => album.id));
const albumsAssetCountObj = albumsAssetCount.reduce((obj: Record<string, number>, { albumId, assetCount }) => {
obj[albumId] = assetCount;
return obj;
}, {});
return Promise.all(
albums.map(async (album) => {
const lastModifiedAsset = await this.assetRepository.getLastUpdatedAssetForAlbumId(album.id);
return {
...mapAlbumWithoutAssets(album),
sharedLinks: undefined,
assetCount: albumsAssetCountObj[album.id],
lastModifiedAssetTimestamp: lastModifiedAsset?.fileModifiedAt,
};
}),
);
}
async get(authUser: AuthUserDto, id: string, dto: AlbumInfoDto) {
await this.access.requirePermission(authUser, Permission.ALBUM_READ, id);
await this.albumRepository.updateThumbnails();
return mapAlbum(await this.findOrFail(id, { withAssets: true }), !dto.withoutAssets);
}
async create(authUser: AuthUserDto, dto: CreateAlbumDto): Promise<AlbumResponseDto> {
for (const userId of dto.sharedWithUserIds || []) {
const exists = await this.userRepository.get(userId);
if (!exists) {
throw new BadRequestException('User not found');
}
}
const album = await this.albumRepository.create({
ownerId: authUser.id,
albumName: dto.albumName,
description: dto.description,
sharedUsers: dto.sharedWithUserIds?.map((value) => ({ id: value }) as UserEntity) ?? [],
assets: (dto.assetIds || []).map((id) => ({ id }) as AssetEntity),
albumThumbnailAssetId: dto.assetIds?.[0] || null,
});
await this.jobRepository.queue({ name: JobName.SEARCH_INDEX_ALBUM, data: { ids: [album.id] } });
return mapAlbumWithAssets(album);
}
async update(authUser: AuthUserDto, id: string, dto: UpdateAlbumDto): Promise<AlbumResponseDto> {
await this.access.requirePermission(authUser, Permission.ALBUM_UPDATE, id);
const album = await this.findOrFail(id, { withAssets: true });
if (dto.albumThumbnailAssetId) {
const valid = await this.albumRepository.hasAsset({ albumId: id, assetId: dto.albumThumbnailAssetId });
if (!valid) {
throw new BadRequestException('Invalid album thumbnail');
}
}
const updatedAlbum = await this.albumRepository.update({
id: album.id,
albumName: dto.albumName,
description: dto.description,
albumThumbnailAssetId: dto.albumThumbnailAssetId,
});
await this.jobRepository.queue({ name: JobName.SEARCH_INDEX_ALBUM, data: { ids: [updatedAlbum.id] } });
return mapAlbumWithoutAssets(updatedAlbum);
}
async delete(authUser: AuthUserDto, id: string): Promise<void> {
await this.access.requirePermission(authUser, Permission.ALBUM_DELETE, id);
const album = await this.findOrFail(id, { withAssets: false });
await this.albumRepository.delete(album);
await this.jobRepository.queue({ name: JobName.SEARCH_REMOVE_ALBUM, data: { ids: [id] } });
}
async addAssets(authUser: AuthUserDto, id: string, dto: BulkIdsDto): Promise<BulkIdResponseDto[]> {
const album = await this.findOrFail(id, { withAssets: false });
await this.access.requirePermission(authUser, Permission.ALBUM_READ, id);
const results: BulkIdResponseDto[] = [];
for (const assetId of dto.ids) {
const hasAsset = await this.albumRepository.hasAsset({ albumId: id, assetId });
if (hasAsset) {
results.push({ id: assetId, success: false, error: BulkIdErrorReason.DUPLICATE });
continue;
}
const hasAccess = await this.access.hasPermission(authUser, Permission.ASSET_SHARE, assetId);
if (!hasAccess) {
results.push({ id: assetId, success: false, error: BulkIdErrorReason.NO_PERMISSION });
continue;
}
results.push({ id: assetId, success: true });
}
const newAssetIds = results.filter(({ success }) => success).map(({ id }) => id);
if (newAssetIds.length > 0) {
await this.albumRepository.addAssets({ albumId: id, assetIds: newAssetIds });
await this.albumRepository.update({
id,
updatedAt: new Date(),
albumThumbnailAssetId: album.albumThumbnailAssetId ?? newAssetIds[0],
});
}
return results;
}
async removeAssets(authUser: AuthUserDto, id: string, dto: BulkIdsDto): Promise<BulkIdResponseDto[]> {
const album = await this.findOrFail(id, { withAssets: false });
await this.access.requirePermission(authUser, Permission.ALBUM_READ, id);
const results: BulkIdResponseDto[] = [];
for (const assetId of dto.ids) {
const hasAsset = await this.albumRepository.hasAsset({ albumId: id, assetId });
if (!hasAsset) {
results.push({ id: assetId, success: false, error: BulkIdErrorReason.NOT_FOUND });
continue;
}
const hasAccess = await this.access.hasAny(authUser, [
{ permission: Permission.ALBUM_REMOVE_ASSET, id: assetId },
{ permission: Permission.ASSET_SHARE, id: assetId },
]);
if (!hasAccess) {
results.push({ id: assetId, success: false, error: BulkIdErrorReason.NO_PERMISSION });
continue;
}
results.push({ id: assetId, success: true });
}
const removedIds = results.filter(({ success }) => success).map(({ id }) => id);
if (removedIds.length > 0) {
await this.albumRepository.removeAssets({ albumId: id, assetIds: removedIds });
await this.albumRepository.update({ id, updatedAt: new Date() });
if (album.albumThumbnailAssetId && removedIds.includes(album.albumThumbnailAssetId)) {
await this.albumRepository.updateThumbnails();
}
}
return results;
}
async addUsers(authUser: AuthUserDto, id: string, dto: AddUsersDto): Promise<AlbumResponseDto> {
await this.access.requirePermission(authUser, Permission.ALBUM_SHARE, id);
const album = await this.findOrFail(id, { withAssets: false });
for (const userId of dto.sharedUserIds) {
if (album.ownerId === userId) {
throw new BadRequestException('Cannot be shared with owner');
}
const exists = album.sharedUsers.find((user) => user.id === userId);
if (exists) {
throw new BadRequestException('User already added');
}
const user = await this.userRepository.get(userId);
if (!user) {
throw new BadRequestException('User not found');
}
album.sharedUsers.push({ id: userId } as UserEntity);
}
return this.albumRepository
.update({
id: album.id,
updatedAt: new Date(),
sharedUsers: album.sharedUsers,
})
.then(mapAlbumWithoutAssets);
}
async removeUser(authUser: AuthUserDto, id: string, userId: string | 'me'): Promise<void> {
if (userId === 'me') {
userId = authUser.id;
}
const album = await this.findOrFail(id, { withAssets: false });
if (album.ownerId === userId) {
throw new BadRequestException('Cannot remove album owner');
}
const exists = album.sharedUsers.find((user) => user.id === userId);
if (!exists) {
throw new BadRequestException('Album not shared with user');
}
// non-admin can remove themselves
if (authUser.id !== userId) {
await this.access.requirePermission(authUser, Permission.ALBUM_SHARE, id);
}
await this.albumRepository.update({
id: album.id,
updatedAt: new Date(),
sharedUsers: album.sharedUsers.filter((user) => user.id !== userId),
});
}
private async findOrFail(id: string, options: AlbumInfoOptions) {
const album = await this.albumRepository.getById(id, options);
if (!album) {
throw new BadRequestException('Album not found');
}
return album;
}
}