public async Task <ResourceAssignmentEdit> AssignToAsync(int projectId)
{
if (!(Contains(projectId)))
{
var project = await ResourceAssignmentEditCreator.GetResourceAssignmentEditCreatorAsync(projectId);
this.Add(project.Result);
return(project.Result);
}
else
{
throw new InvalidOperationException("Resource already assigned to project");
}
}
