Bulk Insert: How to Add Attachments

AttachmentsFor

public AttachmentsBulkInsert AttachmentsFor(string id)

AttachmentsFor.Store

public void Store(string name, Stream stream, string contentType = null)

• Document ID

• The attachment Name, Stream, and Type

List<User> result;

// Choose user profiles to attach files to
using (var session = store.OpenSession())
{
    IRavenQueryable<User> query = session.Query<User>()
        .Where(u => u.Age < 30);

    result = query.ToList();
}

// Bulk-insert an attachment to the chosen users
using (var bulkInsert = store.BulkInsert())
{
    for (var user = 0; user < result.Count; user++)
    {
        byte[] byteArray = Encoding.UTF8.GetBytes("some contents here");
        var stream = new MemoryStream(byteArray);

        string userId = result[user].Id;
        
        // Choose the document to attach to
        var attachmentsFor = bulkInsert.AttachmentsFor(userId);

        // Attach the stream
        await attachmentsFor.StoreAsync("attName", stream);
    }
}