/// <summary>
/// Determine the person to contact of invalid users. E.g. if a registered entry in COLID has 4 different users, the contact person will
/// be determined by the following hierarchy (but only if the user itself is valid):
/// 1. Data Steward
/// 2. Last Change User
/// 3. Author
/// 4. Consumer Group Admin
/// The consumer group admin will only be used, if all others are no longer valid users.
/// </summary>
private static string DetermineContactPerson(string emailAddressToCheck, ColidEntryContactsDto colidEntryContactsDto, HashSet <string> invalidContactsMails)
{
string contactPerson = string.Empty;
if (colidEntryContactsDto.Contacts.All(contact => invalidContactsMails.Contains(contact.EmailAddress)))
{
return(colidEntryContactsDto.ConsumerGroupContact.EmailAddress);
}
var validContactsFromEntry = colidEntryContactsDto.Contacts.Where(contact => !invalidContactsMails.Contains(contact.EmailAddress)).ToList();
var dataSteward = validContactsFromEntry.FirstOrDefault(c => c.TypeUri.OriginalString == Metadata.DataSteward);
if (dataSteward != null)
{
contactPerson = dataSteward.EmailAddress;
}
var lastChangeUser = validContactsFromEntry
.FirstOrDefault(c => c.TypeUri.OriginalString == Metadata.LastChangeUser);
if (lastChangeUser != null && string.IsNullOrEmpty(contactPerson))
{
contactPerson = lastChangeUser.EmailAddress;
}
var author = validContactsFromEntry.FirstOrDefault(c => c.TypeUri.OriginalString == Metadata.Author);
if (author != null && string.IsNullOrEmpty(contactPerson))
{
contactPerson = author.EmailAddress;
}
return(contactPerson);
}
private static bool IsTechnicalUserInEntry(ColidEntryContactsDto colidEntryContactsDto, string adUserMail)
{
return(colidEntryContactsDto.Contacts
.Where(c => c.EmailAddress == adUserMail)
.All(c => c.IsTechnicalContact));
}
