fix: empty array entry of Bundle present

- refact unique to bundle function
- replace condition of total to entry length. I
think check entry length better than total

api/FHIRApiService/search.js

@@ -85,7 +85,6 @@ module.exports = async function(req, res, resourceType, paramsSearch) {
         docs = [...docs, ...includeDocs, ...reincludeDocs];
         let bundle = createBundle(req, docs, count, paginationSkip, paginationLimit, resourceType);
         res.header('Last-Modified', new Date().toUTCString());
-        bundle.entry = _.uniqBy(bundle.entry, "fullUrl");
         return doRes(200 , bundle);
     } catch (e) {
         let errorStr = JSON.stringify(e, Object.getOwnPropertyNames(e));

models/FHIR/func.js

@@ -123,7 +123,8 @@ function createBundle(req, docs, count, skip, limit, resource, option) {
             bundle.entry.push(entry);
         }
     }
-    if (bundle.total == 0) {
+    bundle.entry = _.uniqBy(bundle.entry, "fullUrl");
+    if (bundle.entry.length == 0) {
         delete bundle.entry;
     }
     for (let index in bundle.link) {