/// <summary>
/// Creates a new <see cref="Attachment"/>
/// </summary>
/// <param name="attachment">The <see cref="Attachment"/> data</param>
/// <param name="content">The content to be uploaded to IS24</param>
/// <param name="fileName">The filename of the content transfered</param>
/// <param name="mimeType">the mime-type of the file transfered</param>
/// <returns>The updated <see cref="Attachment"/> data. It now contains the ScoutId if uploaded successfully</returns>
public async Task<Attachment> CreateAsync(Attachment attachment, Stream content, string fileName, string mimeType)
{
var request = Connection.CreateRequest("realestate/{id}/attachment", Method.POST);
request.AddParameter("id", RealEstate.Id, ParameterType.UrlSegment);
byte[] binaryContent = null;
using (var ms = new MemoryStream())
{
await content.CopyToAsync(ms);
binaryContent = ms.ToArray();
}
request.AddFile("attachment", binaryContent, fileName, mimeType);
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(Attachment), "http://rest.immobilienscout24.de/schema/common/1.0");
var sw = new Utf8StringWriter();
serializer.Serialize(sw, attachment);
var metaData = Encoding.UTF8.GetBytes(sw.ToString());
request.AddFile("metadata", metaData, "body.xml", "application/xml");
var resp = await ExecuteAsync<Messages>(Connection, request);
var id = resp.ExtractCreatedResourceId();
if (!id.HasValue)
{
throw new IS24Exception(string.Format("Error creating attachment {0}: {1}", fileName, resp.ToMessage())) { Messages = resp };
}
attachment.Id = id.Value;
return attachment;
}