public async Task <IEnumerable <AdUserDto> > CheckUsersValidityAsync(ISet <string> adUserEmailSet)
{
Guard.ContainsValidEmails(adUserEmailSet);
var adUsersToCheck = new HashSet <string>();
var checkedUsers = new List <AdUserDto>();
foreach (var userEmail in adUserEmailSet)
{
// if invalid ones exists, put them in a separate list (in case that only invalid are asked)
if (_cache.Exists(userEmail))
{
var invalidUserFromCache = new AdUserDto(null, userEmail, false);
checkedUsers.Add(invalidUserFromCache);
continue;
}
adUsersToCheck.Add(userEmail);
}
if (adUsersToCheck.Any())
{
var usersFromGraph = await _remoteGraphService.CheckUsersValidityAsync(adUsersToCheck);
WriteInvalidUsersToCache(usersFromGraph);
checkedUsers.AddRange(usersFromGraph);
}
return(checkedUsers);
}
public async Task CheckUsersValidityAsync_Should_Run()
{
var emailList = new HashSet <string>()
{
"*****@*****.**"
};
var resultList = await _remoteGraphService.CheckUsersValidityAsync(emailList);
Assert.NotNull(resultList);
}