Merge pull request #64 from palantirnet/PL-10-Add-config-option-to-al…

…low-for-empty-search

Pl 10 add config option to allow for empty search

search_api_federated_solr.libraries.yml

@@ -2,9 +2,9 @@ search:
   version: 1.x
   css:
     theme:
-      https://cdn.jsdelivr.net/gh/palantirnet/[email protected].9/css/main.cf6a58ce.css: { type: external, minified: true }
+      https://cdn.jsdelivr.net/gh/palantirnet/[email protected].10/css/main.cf6a58ce.css: { type: external, minified: true }
   js:
-    https://cdn.jsdelivr.net/gh/palantirnet/[email protected].9/js/main.b294abb7.js: {
+    https://cdn.jsdelivr.net/gh/palantirnet/[email protected].10/js/main.d41fc3fe.js: {
       preprocess: false,
       minified: true,
     }

src/Controller/SearchController.php

@@ -62,6 +62,11 @@ public function searchPage() {
       $federated_search_app_config['noResults'] = $no_results;
     }
 
+    // OPTIONAL: The text to display when a search returns no results.
+    if ($show_empty_search_results = $config->get('content.show_empty_search_results')) {
+      $federated_search_app_config['showEmptySearchResults'] = $show_empty_search_results;
+    }
+
     // OPTIONAL: The number of search results to show per page.
     if ($rows = $config->get('results.rows')) {
       $federated_search_app_config['rows'] = intval($rows);

src/Form/SearchApiFederatedSolrSearchAppSettingsForm.php

@@ -119,6 +119,14 @@ public function buildForm(array $form, FormStateInterface $form_state) {
       ],
     ];
 
+    $form['show_empty_search_results'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Show results for empty search'),
+      '#default_value' => $config->get('content.show_empty_search_results'),
+      '#description' => $this
+        ->t(' When checked, this option allows users to see all results when no search term is entered. By default, empty searches are disabled and yield no results.'),
+    ];
+
     $form['no_results_text'] = [
       '#type' => 'textfield',
       '#title' => $this->t('No results text'),
@@ -180,6 +188,10 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     $set_search_site = $form_state->getValue('set_search_site');
     $config->set('facet.site_name.set_default', $set_search_site);
 
+    // Set the search app configuration setting for the default search site flag.
+    $show_empty_search_results = $form_state->getValue('show_empty_search_results');
+    $config->set('content.show_empty_search_results', $show_empty_search_results);
+
     // Get the id of the chosen index.
     $search_index = $form_state->getValue('search_index');
     // Save the selected index option in search app config (for form state).