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Add nullable type converter to Interaction service (#1996)

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* Add nullable type converter to Interaction service

* update NullableConverter CanConvertTo body
This commit is contained in:
Quin Lynch
2021-12-24 10:37:57 -04:00
committed by GitHub
parent cb1aad308b
commit ccc365edfd
2 changed files with 36 additions and 3 deletions
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10
src/Discord.Net.Interactions/InteractionService.cs
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@@ -166,7 +166,8 @@ namespace Discord.Interactions
[typeof(IUser)] = typeof(DefaultUserConverter<>),
[typeof(IMentionable)] = typeof(DefaultMentionableConverter<>),
[typeof(IConvertible)] = typeof(DefaultValueConverter<>),
[typeof(Enum)] = typeof(EnumConverter<>)
[typeof(Enum)] = typeof(EnumConverter<>),
[typeof(Nullable<>)] = typeof(NullableConverter<>),
};
_typeConverters = new ConcurrentDictionary<Type, TypeConverter>
@@ -693,8 +694,8 @@ namespace Discord.Interactions
{
if (_typeConverters.TryGetValue(type, out var specific))
return specific;
else if (_genericTypeConverters.Any(x => x.Key.IsAssignableFrom(type)))
else if (_genericTypeConverters.Any(x => x.Key.IsAssignableFrom(type)
|| (x.Key.IsGenericTypeDefinition && type.IsGenericType && x.Key.GetGenericTypeDefinition() == type.GetGenericTypeDefinition())))
{
services ??= EmptyServiceProvider.Instance;
@@ -927,6 +928,9 @@ namespace Discord.Interactions
if (_genericTypeConverters.TryGetValue(type, out var matching))
return matching;
if (type.IsGenericType && _genericTypeConverters.TryGetValue(type.GetGenericTypeDefinition(), out var genericDefinition))
return genericDefinition;
var typeInterfaces = type.GetInterfaces();
var candidates = _genericTypeConverters.Where(x => x.Key.IsAssignableFrom(type))
.OrderByDescending(x => typeInterfaces.Count(y => y.IsAssignableFrom(x.Key)));