57 lines
2.3 KiB
C#
57 lines
2.3 KiB
C#
using System.Reflection;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Serialization;
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namespace Idoklad.Infrastructure;
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/// <summary>
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/// Makes iDoklad SDK models serializable. Some SDK converters, attached through
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/// <see cref="JsonConverterAttribute"/>, only support reading and their <c>WriteJson</c> throws
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/// <see cref="NotImplementedException"/>, which turns any response carrying such a model into a
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/// 500. This resolver replaces them with <see cref="SdkWriteBypassJsonConverter"/>: reading keeps
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/// using the SDK converter, writing falls back to the standard serialization. Everything else is
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/// left to <see cref="DefaultContractResolver"/>.
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/// </summary>
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public sealed class SdkContractResolver : DefaultContractResolver
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{
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/// <summary>
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/// SDK converters that cannot write. Converters that do implement writing (for example
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/// <c>NullablePropertyJsonConverter</c>) are deliberately not listed here.
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/// </summary>
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private static readonly HashSet<string> WriteUnsupportedConverterTypeNames = new(StringComparer.Ordinal)
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{
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// Attached to DateTime members of the invoice, bank account, cash register and similar models.
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"IdokladSdk.Serialization.DateTimeConverter",
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// Attached to the NotificationListGetModel type itself.
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"IdokladSdk.Serialization.NotificationJsonConverter",
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};
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protected override JsonContract CreateContract(Type objectType)
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{
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var contract = base.CreateContract(objectType);
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contract.Converter = Replace(contract.Converter);
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return contract;
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}
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protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
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{
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var property = base.CreateProperty(member, memberSerialization);
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property.Converter = Replace(property.Converter);
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// Collections carry the member converter as the item converter instead.
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property.ItemConverter = Replace(property.ItemConverter);
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return property;
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}
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private static JsonConverter? Replace(JsonConverter? converter)
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{
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var typeName = converter?.GetType().FullName;
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return typeName is not null && WriteUnsupportedConverterTypeNames.Contains(typeName)
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? new SdkWriteBypassJsonConverter(converter!)
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: converter;
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}
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}
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