Autocomplete reuest changes

package-lock.json

 {
   "name": "webapp",
-  "version": "2.6.13",
+  "version": "2.7.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

src/app/datasets/services/dataset-research.service.ts

@@ -364,9 +364,11 @@ export class DatasetResearchService {
                 // We check if this text highlight already exists in the options array
                 // We want a unique text in the list, no duplicata.
                 const found = options.some((el) => {
-                  return el.text === highlight[key][0];
+                  return el.text.toLowerCase() === highlight[key][0].toLowerCase();
                 });
-                if (!found && options.length < 5) {
+                const same = text.toLowerCase() === highlight[key][0].toLowerCase().replace(/<[^>]*>/g, '');;
+
+                if (!same && !found && options.length < 5) {
                   searchOption['text'] = highlight[key][0];
                   options.push(new SearchCompletion(searchOption));
                 }

src/app/elasticsearch/services/elasticsearch.service.ts

@@ -192,6 +192,9 @@ export class ElasticsearchService {
           ],
         },
       },
+      collapse: {
+        field: 'metadata-fr.geonet:info.uuid.keyword',
+      },
       highlight: {
         order: 'score',
         pre_tags: ['<b>'],
@@ -199,8 +202,19 @@ export class ElasticsearchService {
         highlight_query: {
           query_string: {
             query: regex,
-            fields: ['data_and_metadata', 'content-fr.title', 'content-fr.plaintext'],
+            fields: [
+              'metadata-fr.title^5',
+              'data-fr.properties^3',
+              'data-and-metadata',
+              'metadata-fr.abstract^4',
+              'metadata-fr.lineage^3',
+              'content-fr.title^5',
+              'content-fr.excerpt^4',
+              'content-fr.plaintext^3'
+            ],
             analyzer: 'my_search_analyzer',
+            // fields: ['data_and_metadata', 'content-fr.title', 'content-fr.plaintext'],
+            // analyzer: 'my_search_analyzer',
             fuzziness: 'AUTO',
             minimum_should_match: '90%',
           },
@@ -220,6 +234,9 @@ export class ElasticsearchService {
             fragment_size: 50,
             number_of_fragments: 5,
           },
+          'metadata-fr.title': {
+            number_of_fragments: 0,
+          }
         },
       },
     };
@@ -227,7 +244,16 @@ export class ElasticsearchService {
     request.query.bool.must.push({
       multi_match: {
         query: regex,
-        fields: ['content-fr.title', 'content-fr.plaintext', 'data_and_metadata'],
+        fields: [
+          'metadata-fr.title^5',
+          'data-fr.properties^3',
+          'data-and-metadata',
+          'metadata-fr.abstract^4',
+          'metadata-fr.lineage^3',
+          'content-fr.title^5',
+          'content-fr.excerpt^4',
+          'content-fr.plaintext^3'
+        ],
       },
     });