From 0c14eefe6eb2e3b7567ce06b3118b54e1618058b Mon Sep 17 00:00:00 2001
From: Paul-Christian Volkmer
Date: Thu, 4 Dec 2025 16:02:36 +0100
Subject: feat: check MII broad consent (#213)

---
 .../consent/GicsGetBroadConsentService.java        |  5 ++
 .../consent/MiiBroadConsentEvaluator.java          | 78 ++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/main/java/dev/dnpm/etl/processor/consent/MiiBroadConsentEvaluator.java

(limited to 'src/main/java')

diff --git a/src/main/java/dev/dnpm/etl/processor/consent/GicsGetBroadConsentService.java b/src/main/java/dev/dnpm/etl/processor/consent/GicsGetBroadConsentService.java
index 246d84c..d657306 100644
--- a/src/main/java/dev/dnpm/etl/processor/consent/GicsGetBroadConsentService.java
+++ b/src/main/java/dev/dnpm/etl/processor/consent/GicsGetBroadConsentService.java
@@ -131,4 +131,9 @@ public class GicsGetBroadConsentService extends AbstractConsentService {
       return null;
     }
   }
+
+  @Override
+  protected TtpConsentStatus evaluateConsentResponse(@Nullable String consentStatusResponse) {
+    return MiiBroadConsentEvaluator.evaluate(this.fhirContext, consentStatusResponse);
+  }
 }
diff --git a/src/main/java/dev/dnpm/etl/processor/consent/MiiBroadConsentEvaluator.java b/src/main/java/dev/dnpm/etl/processor/consent/MiiBroadConsentEvaluator.java
new file mode 100644
index 0000000..0640142
--- /dev/null
+++ b/src/main/java/dev/dnpm/etl/processor/consent/MiiBroadConsentEvaluator.java
@@ -0,0 +1,78 @@
+package dev.dnpm.etl.processor.consent;
+
+import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.parser.DataFormatException;
+import org.hl7.fhir.r4.model.Bundle;
+import org.hl7.fhir.r4.model.Consent;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Evaluates MII Broad Consent
+ *
+ * @since 0.12
+ */
+@NullMarked
+public class MiiBroadConsentEvaluator {
+
+  private static final Logger log = LoggerFactory.getLogger(MiiBroadConsentEvaluator.class);
+
+  /**
+   * Evaluates MII Broad Consent
+   *
+   * @param fhirContext FHIR context
+   * @param consentStatusResponse Nullable String containing FHIR String
+   * @return consent status
+   */
+  public static TtpConsentStatus evaluate(
+      FhirContext fhirContext, @Nullable String consentStatusResponse) {
+    if (null == consentStatusResponse) {
+      return TtpConsentStatus.FAILED_TO_ASK;
+    }
+    try {
+      var response = fhirContext.newJsonParser().parseResource(consentStatusResponse);
+
+      if (response instanceof Bundle bundle) {
+        Boolean mdatStoreAndProcessGiven = null;
+        Boolean mdatResearchUse = null;
+        Boolean patdatStoreAndUse = null;
+        for (var entry : bundle.getEntry()) {
+          if (entry.getResource() instanceof Consent consent) {
+            for (var provision : consent.getProvision().getProvision()) {
+              for (var code : provision.getCode()) {
+                for (var coding : code.getCoding()) {
+                  if ("2.16.840.1.113883.3.1937.777.24.5.3.7".equals(coding.getCode())) {
+                    mdatStoreAndProcessGiven =
+                        Consent.ConsentProvisionType.PERMIT.equals(provision.getType());
+                  } else if ("2.16.840.1.113883.3.1937.777.24.5.3.8".equals(coding.getCode())) {
+                    mdatResearchUse =
+                        Consent.ConsentProvisionType.PERMIT.equals(provision.getType());
+                  } else if ("2.16.840.1.113883.3.1937.777.24.5.3.1".equals(coding.getCode())) {
+                    patdatStoreAndUse =
+                        Consent.ConsentProvisionType.PERMIT.equals(provision.getType());
+                  }
+                }
+              }
+            }
+          }
+        }
+        if (null != mdatStoreAndProcessGiven
+            && null != mdatResearchUse
+            && mdatStoreAndProcessGiven
+            && mdatResearchUse) {
+          return TtpConsentStatus.BROAD_CONSENT_GIVEN;
+        }
+
+        if (null != patdatStoreAndUse && patdatStoreAndUse) {
+          return TtpConsentStatus.BROAD_CONSENT_GIVEN;
+        }
+        return TtpConsentStatus.BROAD_CONSENT_MISSING_OR_REJECTED;
+      }
+    } catch (DataFormatException dfe) {
+      log.error("failed to parse response to FHIR R4 resource.", dfe);
+    }
+    return TtpConsentStatus.FAILED_TO_ASK;
+  }
+}
-- 
cgit v1.2.3