public ActionResult GetAttachmentId(AttachmentKeyModel model)
{
try
{
model.CheckArgumentIsNull(nameof(model));
model.FieldName.CheckArgumentIsNullOrEmpty(nameof(model.FieldName));
model.EntityName.CheckArgumentIsNullOrEmpty(nameof(model.EntityName));
if (model.EntityId.HasValue())
{
var attachmentId = attachmentBusiness.GetAttachmentId(model);//check read permission
if (attachmentId == null)
{
return(Ok(attachmentBusiness.CreateAttachment(model)));//check create permission
}
return(Ok(attachmentId));
}
else
{
var token = tokenProvider.GetAttachmentToken();
if (!token.HasValue())
{
token = tokenProvider.SetAttachmentToken();
}
var tempAttachmentKeyModel = new TemporaryAttachmentKeyModel {
EntityName = model.EntityName, FieldName = model.FieldName, Token = token
};
return(Ok(attachmentBusiness.CreateAttachmentTemporarily(tempAttachmentKeyModel)));//check create permission
}
}
catch (Exception)
{
return(BadRequest());
}
}
/// <summary>
/// connect a temporarty atttachment to an actual entity id
/// </summary>
/// <param name="entityName"></param>
/// <param name="fieldName"></param>
/// <param name="token"></param>
/// <param name="entityId"></param>
/// <param name=""></param>
/// <returns>attachmentId</returns>
public int SetEntityId(string entityName, string fieldName, string entityId)
{
var token = tokenProvider.GetAttachmentToken();
if (!token.HasValue())
{
throw new NullReferenceException("Attachment token don't have value");
}
return(attachmentBusiness.PreserveAttachment(new PreserveAttachmentModel {
EntityName = entityName, FieldName = fieldName, Token = token, EntityId = entityId
}));
}