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https://github.com/zoriya/Kyoo.git
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72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
using System;
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using System.Collections;
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using System.Reflection;
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using Kyoo.Abstractions.Models;
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using Kyoo.Abstractions.Models.Attributes;
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using Kyoo.Utils;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Serialization;
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namespace Kyoo.Core.Api
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{
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public class JsonPropertyIgnorer : CamelCasePropertyNamesContractResolver
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{
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private int _depth = -1;
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private string _host;
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public JsonPropertyIgnorer(string host)
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{
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_host = host;
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}
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protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
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{
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JsonProperty property = base.CreateProperty(member, memberSerialization);
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LoadableRelationAttribute relation = member.GetCustomAttribute<LoadableRelationAttribute>();
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if (relation != null)
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{
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if (relation.RelationID == null)
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property.ShouldSerialize = x => _depth == 0 && member.GetValue(x) != null;
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else
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{
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property.ShouldSerialize = x =>
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{
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if (_depth != 0)
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return false;
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if (member.GetValue(x) != null)
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return true;
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return x.GetType().GetProperty(relation.RelationID)?.GetValue(x) != null;
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};
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}
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}
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if (member.GetCustomAttribute<SerializeIgnoreAttribute>() != null)
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property.ShouldSerialize = _ => false;
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if (member.GetCustomAttribute<DeserializeIgnoreAttribute>() != null)
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property.ShouldDeserialize = _ => false;
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// TODO use http context to disable serialize as.
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// TODO check https://stackoverflow.com/questions/53288633/net-core-api-custom-json-resolver-based-on-request-values
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SerializeAsAttribute serializeAs = member.GetCustomAttribute<SerializeAsAttribute>();
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if (serializeAs != null)
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property.ValueProvider = new SerializeAsProvider(serializeAs.Format, _host);
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return property;
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}
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protected override JsonContract CreateContract(Type objectType)
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{
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JsonContract contract = base.CreateContract(objectType);
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if (Utility.GetGenericDefinition(objectType, typeof(Page<>)) == null
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&& !objectType.IsAssignableTo(typeof(IEnumerable))
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&& objectType.Name != "AnnotatedProblemDetails")
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{
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contract.OnSerializingCallbacks.Add((_, _) => _depth++);
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contract.OnSerializedCallbacks.Add((_, _) => _depth--);
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}
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return contract;
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}
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}
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}
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