Added an option for partial word / full text search with internal engine (fix #4).

Author: Daniel Berthereau

config/module.config.php

@@ -68,6 +68,7 @@
     ],
     'form_elements' => [
         'invokables' => [
+            Form\Admin\InternalConfigFieldset::class => Form\Admin\InternalConfigFieldset::class,
             Form\Element\ArrayText::class => Form\Element\ArrayText::class,
             Form\Element\DataTextarea::class => Form\Element\DataTextarea::class,
             Form\Element\Note::class => Form\Element\Note::class,

src/Adapter/InternalAdapter.php

@@ -13,7 +13,7 @@ public function getLabel(): string
 
     public function getConfigFieldset(): ?\Laminas\Form\Fieldset
     {
-        return null;
+        return new \AdvancedSearch\Form\Admin\InternalConfigFieldset;
     }
 
     public function getIndexerClass(): string

src/Form/Admin/InternalConfigFieldset.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+namespace AdvancedSearch\Form\Admin;
+
+use Laminas\Form\Element;
+use Laminas\Form\Fieldset;
+
+class InternalConfigFieldset extends Fieldset
+{
+    public function init(): void
+    {
+        $this
+            ->add([
+                'name' => 'default_search_partial_word',
+                'type' => Element\Checkbox::class,
+                'options' => [
+                    'label' => 'Partial word search for main field (instead of standard full text search)', // @translate
+                    'infos' => 'Currently, this mode does not allow to exclude properties for the main search field.', // @translate
+                ],
+                'attributes' => [
+                    'id' => 'default_search_partial_word',
+                ],
+            ])
+        ;
+    }
+}

src/Querier/InternalQuerier.php

@@ -483,13 +483,19 @@ protected function mainQuery(): void
             $q = trim($q, '" ');
         }
 
-        // TODO Use fulltext_search, but when more than 50% results, no results, not understandable by end user (or use boolean mode).
-        $this->args['property'][] = [
-            'joiner' => 'and',
-            'property' => '',
-            'type' => 'in',
-            'text' => $q,
-        ];
+        if ($this->engine->settingAdapter('default_search_partial_word', false)) {
+            $this->args['property'][] = [
+                'joiner' => 'and',
+                'property' => '',
+                'type' => 'in',
+                'text' => $q,
+            ];
+            return;
+        }
+
+        // Full text search is the default Omeka mode.
+        // TODO It uses fulltext_search, but when more than 50% results, no results, not understandable by end user (or use boolean mode).
+        $this->args['fulltext_search'] = $q;
     }
 
     /**
@@ -508,13 +514,20 @@ protected function mainQueryWithExcludedFields(): void
             $q = trim($q, '" ');
         }
 
-        $this->args['property'][] = [
-            'joiner' => 'and',
-            'property' => '',
-            'except' => $excludedFields,
-            'type' => 'in',
-            'text' => $q,
-        ];
+        if ($this->engine->settingAdapter('default_search_partial_word', false)) {
+            $this->args['property'][] = [
+                'joiner' => 'and',
+                'property' => '',
+                'except' => $excludedFields,
+                'type' => 'in',
+                'text' => $q,
+            ];
+            return;
+        }
+
+        // Full text search is the default Omeka mode. Exclusion is not possible.
+        // TODO It uses fulltext_search, but when more than 50% results, no results, not understandable by end user (or use boolean mode).
+        $this->args['fulltext_search'] = $q;
     }
 
     /**