private static GroupViewModel Map(
ChatGroup group,
IEnumerable <ChatGroupParticipant> chatParticipants,
Contact contact)
{
var isTemporaryRoom = group.Type == GroupType.Temporary;
var isInitiator = group.InitiatorContactId == contact.Id;
return(new GroupViewModel
{
Id = group.Id,
Title = group.FormatGroupTitle(chatParticipants, contact.Id),
AvatarImageId = group.FormatGroupAvatar(chatParticipants, contact.Id),
Participants = chatParticipants
.Where(x => group.Type == GroupType.Regular || x.ContactId == contact.Id)
.Select(x => x.Map())
.ToList(),
IsOneToOne = group.IsOneToOne,
Type = group.Type,
AccessRight = isTemporaryRoom ?
new AccessRights(!isInitiator, isInitiator, isInitiator, isInitiator, isInitiator, isInitiator) :
new AccessRights(!isInitiator && !group.IsOneToOne, isInitiator || group.IsOneToOne),
InitiatorContactId = group.InitiatorContactId,
LastUpdatedDate = group.UpdatedOn
});
}