public void Handle(IUserSession userSessionIssuingCommand, object command)
{
var c = (CreateNewDisaster) command;
var u = (UserSession)userSessionIssuingCommand;
var itemToCreate = new Disaster(c.CreatedDate, c.LocationDescription, c.Latitude, c.Longitude);
var newDisasterImage = itemToCreate.AddImage(c.FirstImageUrl);
var newSeverityVote = itemToCreate.AddSeverityVote(u.User, c.FirsSeverity);
var newDisaster = _writeableRepository.Create(itemToCreate);
NotifyObservers(new NewDisasterCreated(newDisaster.Id, newDisaster.CreatedDate, c.LocationDescription, c.Latitude, c.Longitude, c.FirstImageUrl,c.FirsSeverity));
}