fix: content Highlighting

Author: josego85

CHANGELOG.md

@@ -41,6 +41,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Text extraction reliability
 - Search result context display
 - PDF viewer integration issues
+- Improved Content Highlighting:
+  - Resolved issue where similar words (e.g., "lose" instead of "Jose") were incorrectly highlighted.
+  - Adjusted frontend logic to highlight only exact matches for search terms.
+  - Enhanced backend query to improve precision in highlighting.
 
 ## [1.1.0] - 2025-04-08
 

assets/components/SearchComponent.vue

@@ -54,10 +54,10 @@
               >
                 🔎 View PDF at this page
               </a>
-          <p v-if="result.highlight?.content" 
-             class="text-gray-600 text-sm leading-relaxed mb-3"
-             v-html="result.highlight.content.join('...')">
-          </p>
+              <p v-if="result.highlight?.text" 
+                class="text-gray-600 text-sm leading-relaxed mb-3"
+                v-html="result.highlight.text.join('...')">
+              </p>
           <div class="flex items-center space-x-3 text-sm">
             <span class="text-gray-500">
               <svg class="h-4 w-4 inline mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -188,4 +188,11 @@ export default {
     transform: rotate(360deg);
   }
 }
+
+mark {
+    background-color: yellow;
+    color: black;
+    padding: 0 2px;
+    border-radius: 2px;
+}
 </style>

src/Controller/SearchController.php

@@ -25,7 +25,7 @@ public function search(Request $request): JsonResponse
             if (empty($query)) {
                 return new JsonResponse([
                     'status' => 'error',
-                    'message' => 'Query parameter is required',
+                    'message' => 'Search query cannot be empty.',
                 ], Response::HTTP_BAD_REQUEST);
             }
 
@@ -41,10 +41,13 @@ public function search(Request $request): JsonResponse
                     ],
                     'highlight' => [
                         'fields' => [
-                            'text' => new \stdClass(),
+                            'text' => [
+                                'fragment_size' => 150,
+                                'number_of_fragments' => 3,
+                                'pre_tags' => ['<mark>'],
+                                'post_tags' => ['</mark>'],
+                            ],
                         ],
-                        'pre_tags' => ['<mark>'],
-                        'post_tags' => ['</mark>'],
                     ],
                 ],
             ];
@@ -58,7 +61,6 @@ public function search(Request $request): JsonResponse
                     'total' => $results['hits']['total']['value'] ?? 0,
                 ],
             ]);
-
         } catch (\Exception $e) {
             return new JsonResponse([
                 'status' => 'error',