Add healthcheck

src/config/global-search-base-config.js

@@ -7,6 +7,7 @@ import query from './query';
 import filters from './filters';
 import download from './download';
 import vocabs from './vocabulary';
+import healthcheck from './healthcheck';
 
 import objectProvidesWhitelist from './json/objectProvidesWhitelist.json';
 import spatialWhitelist from './json/spatialWhitelist.json';
@@ -22,7 +23,8 @@ const globalSearchBaseConfig = {
   runtime_mappings: build_runtime_mappings(clusters),
   useSearchPhrases: false,
   searchAsYouType: false,
-  landingPageURL: '/en/advanced-search',
+  landingPageURL: null,
+  healthcheck,
   getActiveFilters: 'getGlobalSearchActiveFilters',
 
   ...vocabs,

src/config/global-search-config.js

@@ -3,6 +3,7 @@ import cloneDeep from 'lodash.clonedeep';
 import globalSearchBaseConfig from './global-search-base-config.js';
 
 let globalSearchConfig = cloneDeep(globalSearchBaseConfig);
+globalSearchConfig.landingPageURL = '/en/advanced-search';
 
 globalSearchConfig.facets = globalSearchConfig.facets.filter(
   (facet) => facet['field'] !== 'subject.keyword',

src/config/healthcheck.js

@@ -0,0 +1,23 @@
+import runRequest from '@eeacms/search/lib/runRequest';
+import buildRequest from '@eeacms/search/lib/search/query';
+
+export default function healthcheck(appConfig) {
+  // is index ok?
+  // return index update date
+  // run default query, see number of results
+  // nlpservice provides answer based on extracted term
+  // number of documents with error in data raw, type of error
+
+  return new Promise((resolve, reject) => {
+    const body = buildRequest({ filters: [] }, appConfig);
+    runRequest(body, appConfig).then((resp) => {
+      let total;
+      try {
+        total = resp.body.hits.total.value;
+        resolve({ documentCount: total });
+      } catch {
+        reject({ total: -1 });
+      }
+    });
+  });
+}