use blue-button-xml for sensing

amida-tech · Nov 12, 2014 · 9372a00 · 9372a00
1 parent 18e10a0
commit 9372a00
Showing 1 changed file with 7 additions and 52 deletions.
diff --git a/lib/sense.js b/lib/sense.js
@@ -3,12 +3,6 @@
 "use strict";
 
 var xml = require("blue-button-xml").xmlUtil;
-var _ = require("underscore");
-
-var DEFAULT_NS = {
-    "h": "urn:hl7-org:v3",
-    "xsi": "http://www.w3.org/2001/XMLSchema-instance"
-};
 
 //Sense document type based on XML object
 var senseXml = function (doc) {
@@ -18,62 +12,23 @@ var senseXml = function (doc) {
         return null;
     }
 
-    var root = doc.root();
-
-    var children = root.find("h:templateId", DEFAULT_NS);
-
-    //Extension for CDA R2 headers.
-    var code_children = root.find("h:code", DEFAULT_NS);
-
-    var c32Result = _.find(children, function (child) {
-        if (child.attr("root").value() === "2.16.840.1.113883.3.88.11.32.1") {
-            return true;
-        } else {
-            return false;
-        }
-    });
-
-    if (c32Result !== undefined) {
+    var c32Result = xml.xpath(doc, 'h:templateId[@root=\"2.16.840.1.113883.3.88.11.32.1\"]');
+    if (c32Result && c32Result.length > 0) {
         return {
             type: "c32"
         };
     }
 
-    var CDAResult = _.find(children, function (child) {
-        if (child.attr("root").value() === "2.16.840.1.113883.10.20.1") {
-            return true;
-        } else {
-            return false;
-        }
-    });
-
-    var CDATemplateResult = _.find(code_children, function (child) {
-        if (child.attr("code").value() === "34133-9") {
-            if (child.attr("codeSystem").value() === "2.16.840.1.113883.6.1") {
-                return true;
-            } else {
-                return false;
-            }
-        } else {
-            return false;
-        }
-    });
-
-    if (CDAResult !== undefined && CDATemplateResult !== undefined) {
+    var cdaResult = xml.xpath(doc, 'h:templateId[@root=\"2.16.840.1.113883.10.20.1\"]');
+    var cdaTemplateResult = xml.xpath(doc, 'h:code[@code=\"34133-9\"][@codeSystem=\"2.16.840.1.113883.6.1\"]');
+    if ((cdaResult && cdaResult.length > 0) && (cdaTemplateResult && cdaTemplateResult.length > 0)) {
         return {
             type: "cda"
         };
     }
 
-    var CCDResult = _.find(children, function (child) {
-        if (child.attr("root").value() === "2.16.840.1.113883.10.20.22.1.2") {
-            return true;
-        } else {
-            return false;
-        }
-    });
-
-    if (CCDResult !== undefined) {
+    var ccdResult = xml.xpath(doc, 'h:templateId[@root=\"2.16.840.1.113883.10.20.22.1.2\"]');
+    if (ccdResult && ccdResult.length > 0) {
         return {
             type: "ccda"
         };