From bcd286906f68c636b0f466c84a3e4108bccedd50 Mon Sep 17 00:00:00 2001
From: KazeemHamzat <kazeem.hamzat@nhs.net>
Date: Mon, 9 Dec 2024 14:46:32 +0000
Subject: [PATCH] Cardinality Issues with Extension-DiagnosticReport.media.link

Cardinality Issues with Extension-DiagnosticReport.media.link
---
 ...nsion-UKCore-DiagnosticReportMediaLink.xml | 54 +++++--------------
 .../UKCore-DiagnosticReport.xml               | 28 ++++++----
 2 files changed, 33 insertions(+), 49 deletions(-)

diff --git a/structuredefinitions/Extension-UKCore-DiagnosticReportMediaLink.xml b/structuredefinitions/Extension-UKCore-DiagnosticReportMediaLink.xml
index eeea995d..0d1752b3 100644
--- a/structuredefinitions/Extension-UKCore-DiagnosticReportMediaLink.xml
+++ b/structuredefinitions/Extension-UKCore-DiagnosticReportMediaLink.xml
@@ -17,9 +17,12 @@
       <rank value="1" />
     </telecom>
   </contact>
-  <description value="An extension to replicate the changes within R5 to support adding a reference to image or data source(DocumentReference)." />
-  <purpose value="This is a Genomics use case to support the backporting of R5 functionality to support adding a reference to image or data source(DocumentReference)." />
-  <copyright value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
+  <description
+    value="An extension to replicate the changes within R5 to support adding a reference to image or data source(DocumentReference)." />
+  <purpose
+    value="This is a Genomics use case to support the backporting of R5 functionality to support adding a reference to image or data source(DocumentReference)." />
+  <copyright
+    value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
   <fhirVersion value="4.0.1" />
   <mapping>
     <identity value="rim" />
@@ -30,54 +33,25 @@
   <abstract value="false" />
   <context>
     <type value="element" />
-    <expression value="DiagnosticReport" />
+    <expression value="DiagnosticReport.media" />
   </context>
   <type value="Extension" />
   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
   <derivation value="constraint" />
   <differential>
-    <element id="Extension">
-      <path value="Extension" />
-      <short value="Reference to a  DocumentReference resource." />
-    </element>
-    <element id="Extension.extension:comment">
-      <path value="Extension.extension" />
-      <sliceName value="comment" />
-    </element>
-    <element id="Extension.extension:comment.url">
-      <path value="Extension.extension.url" />
-      <fixedUri value="comment" />
-    </element>
-    <element id="Extension.extension:comment.value[x]">
-      <path value="Extension.extension.value[x]" />
-      <min value="1" />
-      <type>
-        <code value="string" />
-      </type>
-    </element>
-    <element id="Extension.extension:link">
-      <path value="Extension.extension" />
-      <sliceName value="link" />
-    </element>
-    <element id="Extension.extension:link.url">
-      <path value="Extension.extension.url" />
-      <fixedUri value="link" />
+    <element id="Extension.url">
+      <path value="Extension.url" />
+      <fixedUri
+        value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.media.link" />
     </element>
-    <element id="Extension.extension:link.value[x]">
-      <path value="Extension.extension.value[x]" />
+    <element id="Extension.value[x]">
+      <path value="Extension.value[x]" />
       <min value="1" />
       <type>
         <code value="Reference" />
         <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-DocumentReference" />
       </type>
-    </element>
-    <element id="Extension.url">
-      <path value="Extension.url" />
-      <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.media.link" />
-    </element>
-    <element id="Extension.value[x]">
-      <path value="Extension.value[x]" />
-      <max value="0" />
+      <isSummary value="true" /> 
     </element>
   </differential>
 </StructureDefinition>
\ No newline at end of file
diff --git a/structuredefinitions/UKCore-DiagnosticReport.xml b/structuredefinitions/UKCore-DiagnosticReport.xml
index d58a6e34..749e44a1 100644
--- a/structuredefinitions/UKCore-DiagnosticReport.xml
+++ b/structuredefinitions/UKCore-DiagnosticReport.xml
@@ -43,15 +43,6 @@
       <short value="Reference to a Composition resource." />
       <definition value="Reference to a Composition resource instance that provides structure for organizing the contents of the DiagnosticReport." />
     </element>
-    <element id="DiagnosticReport.extension:mediaR5">
-      <path value="DiagnosticReport.extension" />
-      <sliceName value="mediaR5" />
-      <type>
-        <code value="Extension" />
-        <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.media.link" />
-      </type>
-      <isModifier value="false" />
-    </element>
     <element id="DiagnosticReport.extension:noteR5">
       <path value="DiagnosticReport.extension" />
       <sliceName value="noteR5" />
@@ -140,6 +131,25 @@
       <short value="Observations that are part of this diagnostic report." />
       <mustSupport value="true" />
     </element>
+    <element id="DiagnosticReport.media">
+      <path value="DiagnosticReport.media" />
+      <constraint>
+        <key value="ukcore-diag-lab-002" />
+        <severity value="error" />
+        <human
+          value="Only one of DiagnosticReport.media.link or DiagnosticReport.media:mediaLinkR5 can be used at a time." />
+        <expression value="media.where(sliceName.exists()).count() = 0 or media.link.exists() = false" />
+      </constraint>
+    </element>
+    <element id="DiagnosticReport.media.extension:mediaLinkR5">
+      <path value="DiagnosticReport.media.extension" />
+      <sliceName value="mediaLinkR5" />
+      <type>
+        <code value="Extension" />
+        <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.media.link" />
+      </type>
+      <isModifier value="false" />
+    </element>
     <element id="DiagnosticReport.conclusionCode">
       <path value="DiagnosticReport.conclusionCode" />
       <binding>