SboxSuperuser/Core/Props/PropCleanupCodec.cs
Serializer for the prop cleanup setting. Reads and writes a small JSON object holding a schema version and a cleanup delay in seconds, with null meaning props are kept. Rejects unknown schemas and invalid delays.
using System.Text.Json;
using SboxSuperuser.Core.Storage;
namespace SboxSuperuser.Core.Props;
/// <summary>Stores the cleanup delay as {"schema":1,"delaySeconds":120}, with null delaySeconds to keep props.</summary>
internal static class PropCleanupCodec
{
internal static PropCleanup ReadState( string stateJson )
{
using var json = JsonDocument.Parse( stateJson );
var state = json.RootElement;
StoreFormat.RequireFields( state, "schema", "delaySeconds" );
if ( state.GetProperty( "schema" ).GetInt32() != 1 ) throw new UnsupportedStoreSchemaException();
var seconds = state.GetProperty( "delaySeconds" );
var delay = seconds.ValueKind == JsonValueKind.Null ? (TimeSpan?)null : TimeSpan.FromSeconds( seconds.GetInt64() );
if ( PropCleanup.Problem( delay ) is { } problem ) throw new FormatException( problem );
return new PropCleanup( delay );
}
internal static string WriteState( PropCleanup cleanup ) =>
JsonSerializer.Serialize( new { schema = 1, delaySeconds = cleanup.Delay is { } delay ? (long?)(long)delay.TotalSeconds : null } );
}