public void MergeFrom(UserSession from)
{
if (UserId != from.UserId)
{
throw new InvalidOperationException("UserSession UserId is immutable.");
}
if (CreatedUtc != from.CreatedUtc)
{
throw new InvalidOperationException("UserSession CreatedUtc is immutable.");
}
if (UserTimeZoneOffsetMinutes != from.UserTimeZoneOffsetMinutes)
{
throw new InvalidOperationException("UserSession UserTimeZoneOffsetMinutes is immutable");
}
if (TypingSessionId != from.TypingSessionId)
{
throw new InvalidOperationException("UserSession TypingSessionId is immutable.");
}
foreach (var result in from.TextTypingResults)
{
var existing = TextTypingResults.FirstOrDefault(t => t.Id == result.Id);
if (existing != null)
{
// TODO: Check that if any of the fields differ - throw.
continue;
}
TextTypingResults.Add(result);
}
}
public Typing.UserSession.State ToState()
{
return(new Typing.UserSession.State(
Id,
UserId,
TypingSessionId,
CreatedUtc,
UserTimeZoneOffsetMinutes,
TextTypingResults.Select(ttr => ttr.ToState())
.ToList()));
}