return facets following the order defined in conf.

lib/Alchemy/Phrasea/Controller/Prod/QueryController.php

@@ -360,6 +360,7 @@ class QueryController extends Controller
             // add technical fields
             $fieldsInfosByName = [];
             foreach(ElasticsearchOptions::getAggregableTechnicalFields() as $k => $f) {
+                $k = '_'.$k;
                 $fieldsInfosByName[$k] = $f;
                 $fieldsInfosByName[$k]['trans_label'] = $this->app->trans($f['label']);
                 $fieldsInfosByName[$k]['labels'] = [];
@@ -433,24 +434,15 @@ class QueryController extends Controller
 
             // populates facets (aggregates)
             $facets = [];
-            // $facetClauses = [];
             foreach ($result->getFacets() as $facet) {
                 $facetName = $facet['name'];
 
                 if(array_key_exists($facetName, $fieldsInfosByName)) {
-
                     $f = $fieldsInfosByName[$facetName];
-
                     $facet['label'] = $f['trans_label'];
                     $facet['labels'] = $f['labels'];
                     $facet['type'] = strtoupper($f['type']) . "-AGGREGATE";
                     $facets[] = $facet;
-
-                    // $facetClauses[] = [
-                    //    'type'  => strtoupper($f['type']) . "-AGGREGATE",
-                    //    'field' => $f['field'],
-                    //    'facet' => $facet
-                    // ];
                 }
             }
 

lib/Alchemy/Phrasea/Core/Provider/SearchEngineServiceProvider.php

@@ -97,7 +97,7 @@ class SearchEngineServiceProvider implements ServiceProviderInterface
         });
 
         $app['elasticsearch.facets_response.factory'] = $app->protect(function (array $response) use ($app) {
-            return new FacetsResponse(new Escaper(), $response, $app['search_engine.structure']);
+            return new FacetsResponse($app['elasticsearch.options'], new Escaper(), $response, $app['search_engine.structure']);
         });
 
         return $app;

lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php

@@ -663,23 +663,26 @@ class ElasticSearchEngine implements SearchEngineInterface
                         'size'  => $size
                     ]
                 ];
-                $aggs[$k] = $agg;
+                $aggs['_'.$k] = $agg;
             }
         }
         // fields aggregates
         $structure = $this->context_factory->getLimitedStructure($options);
-        foreach ($structure->getFacetFields() as $name => $field) {
-            // 2015-05-26 (mdarse) Removed databox filtering.
-            // It was already done by the ACL filter in the query scope, so no
-            // document that shouldn't be displayed can go this far.
+        foreach($structure->getAllFields() as $name => $field) {
+            $size = $this->options->getAggregableFieldLimit($name);
+            if ($size !== databox_field::FACET_DISABLED) {
+                if ($size === databox_field::FACET_NO_LIMIT) {
+                    $size = ESField::FACET_NO_LIMIT;
+                }
                 $agg = [
                     'terms' => [
                         'field' => $field->getIndexField(true),
-                    'size'  => $field->getFacetValuesLimit()
+                        'size'  => $size
                     ]
                 ];
                 $aggs[$name] = AggregationHelper::wrapPrivateFieldAggregation($field, $agg);
             }
+        }
 
         return $aggs;
     }

lib/Alchemy/Phrasea/SearchEngine/Elastic/Search/FacetsResponse.php

@@ -15,7 +15,7 @@ class FacetsResponse
     private $escaper;
     private $facets = array();
 
-    public function __construct(Escaper $escaper, array $response, GlobalStructure $structure)
+    public function __construct(ElasticsearchOptions $options, Escaper $escaper, array $response, GlobalStructure $structure)
     {
         $this->escaper = $escaper;
 
@@ -25,7 +25,13 @@ class FacetsResponse
 
         $atf = ElasticsearchOptions::getAggregableTechnicalFields();
 
-        foreach ($response['aggregations'] as $name => $aggregation) {
+        // sort facets respecting the order defined in options
+        foreach($options->getAggregableFields() as $name=>$foptions) {
+            if(!array_key_exists($name, $response['aggregations'])) {
+                continue;
+            }
+            $aggregation = $response['aggregations'][$name];
+
             $tf = null;
             $valueFormatter = function($v){ return $v; };    // default equality formatter
 
@@ -78,6 +84,7 @@ class FacetsResponse
                 ];
             }
         }
+
     }
 
 

lib/Alchemy/Phrasea/SearchEngine/Elastic/Structure/GlobalStructure.php

@@ -35,11 +35,6 @@ final class GlobalStructure implements Structure
      */
     private $private = array();
 
-    /**
-     * @var Field[]
-     */
-    private $facets = array();
-
     /**
      * @var Flag[]
      */
@@ -145,9 +140,11 @@ final class GlobalStructure implements Structure
             $this->private[$name] = $field;
         }
 
+        /*
         if ($field->isFacet() && $field->isSearchable()) {
             $this->facets[$name] = $field;
         }
+        */
 
         if ($field->hasConceptInference()) {
             $this->thesaurus_fields[$name] = $field;
@@ -183,14 +180,6 @@ final class GlobalStructure implements Structure
         return $this->private;
     }
 
-    /**
-     * @return Field[]
-     */
-    public function getFacetFields()
-    {
-        return $this->facets;
-    }
-
     /**
      * @return Field[]
      */

lib/Alchemy/Phrasea/SearchEngine/Elastic/Structure/LimitedStructure.php

@@ -47,14 +47,6 @@ final class LimitedStructure implements Structure
         return $this->limit($this->structure->getPrivateFields());
     }
 
-    /**
-     * @return Field[]
-     */
-    public function getFacetFields()
-    {
-        return $this->limit($this->structure->getFacetFields());
-    }
-
     public function getThesaurusEnabledFields()
     {
         return $this->limit($this->structure->getThesaurusEnabledFields());

lib/Alchemy/Phrasea/SearchEngine/Elastic/Structure/Structure.php

@@ -33,11 +33,6 @@ interface Structure
      */
     public function getPrivateFields();
 
-    /**
-     * @return Field[]
-     */
-    public function getFacetFields();
-
     /**
      * @return Field[]
      */