Method copy

packages/hydrooj/src/model/storage.ts:139–157

(src: string, dst: string)

    }

    static async copy(src: string, dst: string) {
        const value = await StorageModel.coll.findOneAndUpdate(
            { path: src, autoDelete: null },
            { $set: { lastUsage: new Date() } },
            { returnDocument: 'after' },
        );
        if (!value) throw new Error(`Original file ${src} not found`);
        const meta = {};
        await StorageModel.del([dst]);
        meta['Content-Type'] = mime(dst);
        let _id = StorageModel.generateId(extname(dst));
        // Make sure id is not used
        // eslint-disable-next-line no-await-in-loop
        while (await StorageModel.coll.findOne({ _id })) _id = StorageModel.generateId(extname(dst));
        await StorageModel.coll.insertOne({
            ...value, _id, path: dst, link: value.link || value._id, lastModified: new Date(), owner: value.owner || 1,
        });
        return _id;
    }
}

async function cleanFiles() {