/// <summary>
/// Initializes a new instance of the <see cref="SyncConfiguration"/> class.
/// </summary>
/// <param name="user">
/// A valid <see cref="User"/>. If not provided, the currently logged-in user will be used.
/// </param>
/// <param name="serverUri">
/// A unique <see cref="Uri"/> that identifies the Realm. In URIs, <c>~</c> can be used as a placeholder for a user Id.
/// If a relative Uri is provided, it will be resolved using the user's <see cref="ServerUri"/> as baseUri.
/// If <c>null</c> is passed, a Uri will be constructed from the user's <see cref="ServerUri"/>, combined with
/// <c>/default</c> and <see cref="IsPartial"/> will be set to <c>true</c>.
/// </param>
/// <param name="optionalPath">
/// Path to the realm, must be a valid full path for the current platform, relative subdirectory, or just filename.
/// </param>
public SyncConfiguration(User user = null, Uri serverUri = null, string optionalPath = null)
{
Argument.Ensure(user != null || User.AllLoggedIn.Length == 1,
"The user must be explicitly specified when the number of logged-in users is not 1.",
nameof(user));
User = user ?? User.Current;
if (serverUri == null)
{
// Using default realm
IsPartial = true;
ServerUri = User.GetUriForRealm("/default");
}
else if (!serverUri.IsAbsoluteUri)
{
ServerUri = User.GetUriForRealm(serverUri);
}
else
{
Argument.Ensure(serverUri.Scheme.StartsWith("realm"), "Unexpected protocol for server url. Expected realm:// or realms://.", nameof(serverUri));
ServerUri = serverUri;
}
DatabasePath = GetPathToRealm(optionalPath ?? SharedRealmHandleExtensions.GetRealmPath(User, ServerUri));
}
