Fix: search returned results with multiple labels (#406)

* update search page returned result label to show only one

* update update jump to  returned result labels to show only one

app/assets/javascripts/bp_search.js.erb

@@ -829,11 +829,22 @@ function updatePopupCounts() {
 function classLabelSpan(cls) {
     // Wrap the class prefLabel in a span, indicating that the  class is obsolete
     // if necessary.
+    let prefLabel = cls.prefLabel
+
+    if(Array.isArray(prefLabel)){
+        let query = jQuery("#search_keywords").val()
+        // Filter labels containing the query or return the first label
+        let filteredLabels = prefLabel.filter(label => label.includes(query))
+        // If there are matching labels, use the first one; otherwise, use the first label
+        prefLabel = filteredLabels.length > 0 ? filteredLabels[0] : prefLabel[0]
+    }
+
     var MAX_LENGTH = 60,
-        labelText = cls.prefLabel,
+        labelText = prefLabel,
         labelSpan = null;
+
     if (labelText > MAX_LENGTH) {
-        labelText = cls.prefLabel.substring(0, MAX_LENGTH) + "...";
+        labelText = prefLabel.substring(0, MAX_LENGTH) + "...";
     }
     labelSpan = jQuery("<span>").text(labelText);
     if (cls.obsolete === true) {

app/controllers/search_controller.rb

@@ -29,7 +29,8 @@ def json_search
       # record_type = format_record_type(result[:recordType], result[:obsolete])
       record_type = ""
 
-      target_value = result.prefLabel
+      target_value = result.prefLabel.select{|x| x.include?( params[:q].delete('*'))}.first || result.prefLabel.first
+
       case params[:target]
         when "name"
           target_value = result.prefLabel
@@ -46,7 +47,7 @@ def json_search
       json << "|#{record_type}"
       json << "|#{result.explore.ontology.acronym}"
       json << "|#{result.id}" # Duplicated because we used to have shortId and fullId
-      json << "|#{result.prefLabel}"
+      json << "|#{target_value}"
       # This is nasty, but hard to workaround unless we rewrite everything (form_autocomplete, jump_to, crossdomain_autocomplete)
       # to use JSON from the bottom up. To avoid this, we pass a tab separated column list
       # Columns: synonym