public async Task <List <string> > GraduateMembers(List <Member> membersToGraduate)
{
var messages = new List <string>();
foreach (var member in membersToGraduate)
{
await _userRoleManager.AddUserToRoleAsync(member.UserId, Constants.ALUMNI_ROLE_NAME);
await _graduationCommunicationsService.SendGraduationCommunications(member);
messages.Add($"{member.UserFullName()} has successfully graduated to Alumni status.");
}
return(messages);
}