48 lines
1.9 KiB
C#
48 lines
1.9 KiB
C#
 
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using System.Collections.Concurrent;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Text.Json.Serialization.Metadata;
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using decePubClient.Models.Mastodon;
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using PrivaPub.ClientModels;
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namespace decePubClient.Helpers
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{
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public sealed class UnregisteredJson : IJsonTypeInfoResolver
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{
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public static readonly UnregisteredJson Instance = new();
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static readonly DefaultJsonTypeInfoResolver Reflection = new();
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static readonly ConcurrentDictionary<Type, byte> Reported = new();
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public static bool Strict { get; set; }
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public JsonTypeInfo GetTypeInfo(Type type, JsonSerializerOptions options)
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{
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if (Strict)
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throw new NotSupportedException($"{type.FullName} is not registered in a JsonSerializerContext (HR0306).");
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if (Reported.TryAdd(type, 0))
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Console.Error.WriteLine($"{type.FullName} is serialized without a JsonSerializerContext registration (HR0306)");
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return Reflection.GetTypeInfo(type, options);
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}
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public static void Check(bool strict)
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{
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Strict = strict;
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if (!strict)
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return;
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var missing = Missing(ClientModelsJsonContext.Default, typeof(WebResult), "PrivaPub.ClientModels")
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.Concat(Missing(MastodonJsonContext.Default, typeof(Status), "decePubClient.Models.Mastodon"))
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.ToList();
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if (missing.Count > 0)
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throw new InvalidOperationException("Not registered in a JsonSerializerContext (HR0306): " + string.Join(", ", missing));
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}
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static IEnumerable<string> Missing(IJsonTypeInfoResolver context, Type anchor, string space) =>
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anchor.Assembly.GetTypes()
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.Where(t => t.IsClass && t.IsPublic && !t.IsAbstract && !t.IsGenericTypeDefinition && t.Namespace is { } ns && ns.StartsWith(space, StringComparison.Ordinal)
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&& !ns.EndsWith(".Resources", StringComparison.Ordinal) && !typeof(Attribute).IsAssignableFrom(t) && !typeof(JsonSerializerContext).IsAssignableFrom(t))
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.Where(t => context.GetTypeInfo(t, new JsonSerializerOptions()) == null)
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.Select(t => t.FullName);
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}
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}
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