feature: Clinical Data Model Expansion & Observation Vocabulary

2026-06-18 15:00:42 +08:00
parent 3b4c5c524b
commit 7d630fbbd9
33 changed files with 2636 additions and 36 deletions
@@ -0,0 +1,44 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+public sealed class BloodTypeJsonConverter : JsonConverterFactory
+{
+    public override bool CanConvert(Type typeToConvert) =>
+        typeToConvert == typeof(BloodType) || typeToConvert == typeof(BloodType?);
+
+    public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (typeToConvert == typeof(BloodType))
+            return new BloodTypeConverter();
+
+        return new NullableBloodTypeConverter();
+    }
+
+    private sealed class BloodTypeConverter : JsonConverter<BloodType>
+    {
+        public override BloodType Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+            => BloodTypeExtensions.FromDbString(reader.GetString()!);
+
+        public override void Write(Utf8JsonWriter writer, BloodType value, JsonSerializerOptions options)
+            => writer.WriteStringValue(value.ToDbString());
+    }
+
+    private sealed class NullableBloodTypeConverter : JsonConverter<BloodType?>
+    {
+        public override BloodType? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if (reader.TokenType == JsonTokenType.Null)
+                return null;
+
+            return BloodTypeExtensions.FromDbString(reader.GetString()!);
+        }
+
+        public override void Write(Utf8JsonWriter writer, BloodType? value, JsonSerializerOptions options)
+        {
+            if (value is null)
+                writer.WriteNullValue();
+            else
+                writer.WriteStringValue(value.Value.ToDbString());
+        }
+    }
+}