Merge pull request #20 from uwcirg/filter-out-signature-docrefs

Advance Directive - If resource.category doesn't exist, ignore the DR…

Author: mcjustin

src/lib/FetchAD.svelte

@@ -186,6 +186,30 @@
       });
   }
 
+async function injectPdfIntoDocRef(url, attachment) {
+  try {
+    const response = await fetch(url);
+    if (response.ok) {
+      const blob = await response.blob();
+      const reader = new FileReader();
+      reader.onloadend = () => {
+  			console.log(reader.result); // Log the full data URL for debugging
+        attachment.data = reader.result.split(',')[1]; // Base64 encoded data
+      };
+      reader.readAsDataURL(blob);
+/**
+          const arrayBuffer = await response.arrayBuffer();
+          const base64String = btoa(String.fromCharCode(...new Uint8Array(arrayBuffer)));
+          attachment.data = base64String;
+*/
+    } else {
+      console.error(`Failed to fetch PDF from ${url}`);
+    }
+  } catch (error) {
+    console.error(`Error fetching PDF from ${url}:`, error);
+  }
+}
+
   async function prepareIps() {
     fetchError = '';
     processing = true;
@@ -203,6 +227,25 @@
       if (resources.length === 0) {
         console.warn("No advance directives found for patient "+patient.id);
       }
+
+      // If resource.category doesn't exist, ignore the DR - DR's w/out that are simply signature DR's.
+      // Lambda function to check if resource.category exists
+      const nonSignatureDR = dr => dr.category !== undefined;
+      // Filter out resources that don't have a category
+      resources = resources.filter(nonSignatureDR);
+
+      // if one of the DR's `content` elements has attachment.contentType = 'application/pdf', download if possible, put base64 of pdf in DR.content.attachment.data
+      const hasPdfContent = dr => dr.content && dr.content.some(content => content.attachment && content.attachment.contentType === 'application/pdf');
+
+      resources.forEach(async dr => {
+        if (hasPdfContent(dr)) {
+          const pdfContent = dr.content.find(content => content.attachment && content.attachment.contentType === 'application/pdf');
+          if (pdfContent && pdfContent.attachment && pdfContent.attachment.url) {
+            await injectPdfIntoDocRef (pdfContent.attachment.url, pdfContent.attachment);
+          }
+        }
+      });
+
       resources.unshift(patient);
 
       result = {

src/lib/resource-templates/AdvanceDirective.svelte

@@ -2,6 +2,7 @@
   export let resource; // Define a prop to pass the data to the component
 </script>
 
+<!--
 Type: {resource.resourceType}
 <br />
 Text:
@@ -11,15 +12,55 @@ Text:
   <i>No text provided in resource</i>
 {/if}
 <br />
+-->
+
 Category:
 {#if resource.category && resource.category[0] && resource.category[0].coding && resource.category[0].coding[0]}
-  {resource.category[0].coding[0].display}
+  {resource.category[0].coding[0].display} (LOINC {resource.category[0].coding[0].code})
+{/if}
+<br />
+Type:
+<!-- 42348-3 is for "Advance Directive"; per cthon, it's presence here is redundant w/ category above. -->
+{#if resource.type && resource.type.coding && resource.type.coding[0] && resource.type.coding[0].code != '42348-3'}
+  {resource.type.coding[0].display} (LOINC {resource.type.coding[0].code})
+{/if}
+{#if resource.type && resource.type.coding && resource.type.coding[1] && resource.type.coding[1].code != '42348-3'}
+  {resource.type.coding[1].display} (LOINC {resource.type.coding[1].code}).
 {/if}
 <br />
-Intent:
-{#if resource.provision && resource.provision.code && resource.provision.code[0] && resource.provision.code[0].coding && resource.provision.code[0].coding[0]}
-  {resource.provision.code[0].coding[0].display}
+Description:
+{#if resource.description}
+  {resource.description}
+{/if}
+<br />
+setId:
+{#if resource.identifier && resource.identifier[0] && resource.identifier[0].system && resource.identifier[0].system == 'https://mydirectives.com/standards/terminology/namingSystem/setId'}
+  {resource.identifier[0].value}
+{/if}
+<br />
+Date:
+{#if resource.date}
+  {resource.date}
+{/if}
+<br />
+Status:
+{#if resource.status}
+  {resource.status}
+{/if}
+<br />
+docStatus:
+{#if resource.docStatus}
+  {resource.docStatus}
 {/if}
 {#if resource.description && resource.description.text}
+  <br />
   {resource.description.text}
 {/if}
+<br/>
+{#if resource.content}
+  {#each resource.content as content}
+    {#if content.attachment && content.attachment.data}
+      PDF present: <a href={"data:application/pdf;base64," + content.attachment.data} target="_blank" rel="noopener noreferrer">View</a>
+    {/if}
+  {/each}
+{/if}