INS-1699

src/main/java/gov/nih/nci/bento_ri/model/PrivateESDataFetcher.java

@@ -130,6 +130,9 @@ public RuntimeWiring buildRuntimeWiring() throws IOException {
                         .dataFetcher("numberOfPublications", env -> {
                             return numberOfPublications();
                         })
+                        .dataFetcher("numberOfResources", env -> {
+                            return numberOfResources();
+                        })
                         .dataFetcher("datasetDetails", env -> {
                             Map<String, Object> args = env.getArguments();
                             return datasetDetails(args);
@@ -748,6 +751,27 @@ private Integer numberOfPublications() throws Exception {
         return count;
     }
 
+    /**
+     * Queries Opensearch for the total Resources count
+     * @return
+     * @throws Exception
+     */
+    private Integer numberOfResources() throws Exception {
+        Request homeStatsRequest = new Request("GET", HOME_STATS_END_POINT);
+        JsonObject homeStatsResult = insEsService.send(homeStatsRequest);
+        JsonArray hits = homeStatsResult.getAsJsonObject("hits").getAsJsonArray("hits");
+        Iterator<JsonElement> hitsIter = hits.iterator();
+
+        if (!hitsIter.hasNext()) {
+            throw new Exception("Error: no results for homepage stats!");
+        }
+
+        JsonObject counts = hitsIter.next().getAsJsonObject().getAsJsonObject("_source");
+        int count = counts.get("num_resources").getAsInt();
+
+        return count;
+    }
+
     /**
      * Gets the details for a single Dataset record
      *

src/main/resources/graphql/ins-private-es.graphql

@@ -306,6 +306,7 @@ type QueryType {
     numberOfPrograms: Int
     numberOfProjects: Int
     numberOfPublications: Int
+    numberOfResources: Int
 
     stats (
         # Facet filters