feature: HL7 FHIR R4 Integration

2026-06-27 22:23:45 +08:00
parent 756cff332c
commit 5646dfddb4
27 changed files with 2658 additions and 16 deletions
@@ -0,0 +1,31 @@
+using Hl7.Fhir.Model;
+using Hl7.Fhir.Serialization;
+using Microsoft.AspNetCore.Mvc.Formatters;
+using System.Text;
+using Task = System.Threading.Tasks.Task;
+
+public class FhirJsonOutputFormatter : TextOutputFormatter
+{
+    public FhirJsonOutputFormatter()
+    {
+        SupportedMediaTypes.Add("application/fhir+json");
+        SupportedMediaTypes.Add("application/json");
+        SupportedEncodings.Add(Encoding.UTF8);
+    }
+
+    protected override bool CanWriteType(Type? type)
+    {
+        return type != null && typeof(Resource).IsAssignableFrom(type);
+    }
+
+    public override async Task WriteResponseBodyAsync(
+        OutputFormatterWriteContext context, Encoding selectedEncoding)
+    {
+        var resource = context.Object as Resource;
+        if (resource is null) return;
+
+        var serializer = new FhirJsonSerializer(new SerializerSettings { Pretty = true });
+        var json = serializer.SerializeToString(resource);
+        await context.HttpContext.Response.WriteAsync(json, selectedEncoding);
+    }
+}