Combined: Display noresults recommendations in box or side

maccabeelevine · Dec 12, 2023 · 76b6ce3 · 76b6ce3
1 parent e09f921
commit 76b6ce3
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Showing 2 changed files with 48 additions and 3 deletions.
diff --git a/module/VuFind/src/VuFind/Controller/CombinedController.php b/module/VuFind/src/VuFind/Controller/CombinedController.php
@@ -339,21 +339,32 @@ protected function adjustQueryForSettings($settings, $searchType = null)
         // Override the search type:
         $query->type = $searchType;
 
-        // Always leave noresults active (useful for 0-hit searches).
-        // Display or hide top based on include_recommendations setting.
-        // Display or hide side based on include_recommendations_side setting.
         $recommendOverride = [];
         $noRecommend = [];
+
+        // Display or hide top based on include_recommendations setting.
         if (is_array($settings['include_recommendations'] ?? false)) {
             $recommendOverride['top'] = $settings['include_recommendations'];
         } else {
             $noRecommend[] = 'top';
         }
+
+        // Display or hide side based on include_recommendations_side setting.
         if (is_array($settings['include_recommendations_side'] ?? false)) {
             $recommendOverride['side'] = $settings['include_recommendations_side'];
         } else {
             $noRecommend[] = 'side';
         }
+
+        // Display or hide no results recommendations, based on 
+        // include_recommendations_noresults setting (to display them in the bento box) or 
+        // include_recommendations_noresults_side setting (to display them in the sidebar).
+        if (is_array($settings['include_recommendations_noresults'] ?? false)) {
+            $recommendOverride['noresults'] = $settings['include_recommendations_noresults'];
+        } elseif (is_array($settings['include_recommendations_noresults_side'] ?? false)) {
+            $recommendOverride['noresults_side'] = $settings['include_recommendations_noresults_side'];
+        }
+
         $query->recommendOverride = $recommendOverride;
         $query->noRecommend = count($noRecommend) ? implode(',', $noRecommend) : false;
     }

diff --git a/themes/bootstrap3/templates/combined/results-list.phtml b/themes/bootstrap3/templates/combined/results-list.phtml
@@ -130,6 +130,40 @@
       <?=$this->recommend($current)?>
     <?php endif; ?>
   <?php endforeach; ?>
+  <?php foreach ($results->getRecommendations('noresults_side') as $current): ?>
+    <?php if (!in_array($current, $top)):
+      $recommendationClass = str_replace('\\', '_', $current::class);
+      $recommendationJs = <<<JS
+          function addRecommendation_$recommendationClass() {
+            const recommendationContainer = document.querySelector('#search-sidebar .recommendation_container__$recommendationClass');
+            if (!recommendationContainer) {
+              console.error("Cannot find recommendation container for $recommendationClass");
+              return;
+            }
+
+            const recommendation = document.getElementById('recommendation__$recommendationClass');
+            if (!recommendation) {
+              console.error("Cannot find recommendation for $recommendationClass");
+              return;
+            }
+
+            recommendationContainer.append(recommendation);
+            recommendation.style.display = 'inherit';
+          }
+
+          if (document.readyState != 'loading') {
+            addRecommendation_$recommendationClass();
+          } else {
+            document.addEventListener('DOMContentLoaded', addRecommendation_$recommendationClass);
+          }
+          JS;
+      ?>
+      <?=$this->inlineScript(\Laminas\View\Helper\HeadScript::SCRIPT, $recommendationJs, 'SET')?>
+      <div id="recommendation__<?=$recommendationClass?>" style="display: none;">
+        <?=$this->recommend($current)?>
+      </div>
+    <?php endif; ?>
+  <?php endforeach; ?>
 <?php else: ?>
   <?php
     $viewType = in_array('list', array_keys($params->getViewList()))