fix: fullUrl of history not complete

- Add postfix `_history/${versionId}` for history bundle
- Use request properties to combine full url

models/FHIR/func.js

@@ -49,9 +49,21 @@ function getPreviousUrl(params, http = "http", resource) {
     return baseUrl;
 }
 
-function getEntryFullUrl(item, http = "http", resource) {
-    let url = `${http}://${process.env.FHIRSERVER_HOST}:${process.env.FHIRSERVER_PORT}/${process.env.FHIRSERVER_APIPATH}/${resource}/${item.id}`;
-    return url;
+/**
+ * 
+ * @param {Object} item 
+ * @param {import("express").Request} req 
+ * @param {String} resourceType 
+ * @param {String} type
+ * @returns 
+ */
+function getEntryFullUrl(item, req, resourceType, type="searchset") {
+    let host = req.headers.host ? req.headers.host : `${process.env.FHIRSERVER_HOST}:${process.env.FHIRSERVER_PORT}`;
+    if (type === "history") {
+        return `${req.protocol}://${host}/${process.env.FHIRSERVER_APIPATH}/${resourceType}/${item.id}/_history/${item.meta.versionId}`; 
+    } else {
+        return `${req.protocol}://${host}/${process.env.FHIRSERVER_APIPATH}/${resourceType}/${item.id}`; 
+    }
 }
 
 /**
@@ -107,14 +119,14 @@ function createBundle(req, docs, count, skip, limit, resource, option) {
             let responseObj = _.cloneDeep(docs[i].response);
             delete docs[i].request;
             delete docs[i].response;
-            let entry = new bundleClass.entry(getEntryFullUrl(docs[i], req.protocol, docs[i].resourceType), docs[i]);
+            let entry = new bundleClass.entry(getEntryFullUrl(docs[i], req, docs[i].resourceType, "history"), docs[i]);
             entry.request = requestObj;
             entry.response = responseObj;
             bundle.entry.push(entry);
         }
     } else {
         for (let i in docs) {
-            let entry = new bundleClass.entry(getEntryFullUrl(docs[i], req.protocol, docs[i].resourceType), docs[i]);
+            let entry = new bundleClass.entry(getEntryFullUrl(docs[i], req, docs[i].resourceType), docs[i]);
             _.set(entry, "search.mode", "match");
             if (_.get(docs[i], "myPointToCheckIsInclude")) {
                 delete docs[i]["myPointToCheckIsInclude"];