chg: [behaviors:metafields] Moved type handlers to the meta-template-fields table

src/Lib/default/meta_fields_types/IPv4Type.php

@@ -65,6 +65,7 @@ class IPv4Type extends TextType
 
     protected function fetchAllMetatemplateFieldsIdForThisType(\App\Model\Entity\MetaTemplateField $metaTemplateField = null): Query
     {
+        $this->MetaTemplateFields = TableRegistry::getTableLocator()->get('MetaTemplateFields');
         $conditions = [];
         if (!is_null($metaTemplateField)) {
             $conditions['id'] = $metaTemplateField->id;

src/Lib/default/meta_fields_types/TextType.php

@@ -12,7 +12,6 @@ class TextType
     public function __construct()
     {
         $this->MetaFields = TableRegistry::getTableLocator()->get('MetaFields');
-        $this->MetaTemplateFields = TableRegistry::getTableLocator()->get('MetaTemplateFields');
     }
 
     public function validate(string $value): bool

src/Model/Behavior/MetaFieldsBehavior.php

@@ -55,20 +55,15 @@ class MetaFieldsBehavior extends Behavior
     public function initialize(array $config): void
     {
         $this->bindAssociations();
-        $this->_metaTemplateFieldTable = $this->_table;
+        $this->_metaTemplateFieldTable = $this->_table->MetaFields->MetaTemplateFields;
-        $this->_metaTemplateTable = $this->_table;
+        $this->_metaTemplateTable = $this->_table->MetaFields->MetaTemplates;
         $this->loadTypeHandlers();
     }
 
     private function loadTypeHandlers()
     {
-        $typeHandlers = [
+        if (empty($this->typeHandlers)) {
-            new TextType(),
+            $this->typeHandlers = $this->_metaTemplateFieldTable->getTypeHandlers();
-            new IPv4Type(),
-            new IPv6Type(),
-        ];
-        foreach ($typeHandlers as $handler) {
-            $this->typeHandlers[$handler::TYPE] = $handler;
         }
     }
 
@@ -238,8 +233,7 @@ class MetaFieldsBehavior extends Behavior
 
     protected function buildQuerySnippet(array $filter): Query
     {
-        $this->MetaTemplateFields = TableRegistry::getTableLocator()->get('MetaTemplateFields');
+        $metaTemplateField = !empty($filter['meta_template_field_id']) ? $this->_metaTemplateFieldTable->get($filter['meta_template_field_id']) : null;
-        $metaTemplateField = !empty($filter['meta_template_field_id']) ? $this->MetaTemplateFields->get($filter['meta_template_field_id']) : null;
         $whereClosure = function (QueryExpression $exp) use ($filter, $metaTemplateField) {
             foreach ($filter as $column => $value) {
                 $keyedColumn = 'MetaFields.' . $column;

src/Model/Table/MetaTemplateFieldsTable.php

@@ -6,8 +6,14 @@ use App\Model\Table\AppTable;
 use Cake\ORM\Table;
 use Cake\Validation\Validator;
 
+use MetaFieldsTypes\TextType;
+use MetaFieldsTypes\IPv4Type;
+use MetaFieldsTypes\IPv6Type;
+
 class MetaTemplateFieldsTable extends AppTable
 {
+    private $typeHandlers = [];
+
     public function initialize(array $config): void
     {
         parent::initialize($config);
@@ -18,6 +24,7 @@ class MetaTemplateFieldsTable extends AppTable
         $this->hasMany('MetaFields');
 
         $this->setDisplayField('field');
+        $this->loadTypeHandlers();
     }
 
     public function beforeSave($event, $entity, $options)
@@ -37,4 +44,28 @@ class MetaTemplateFieldsTable extends AppTable
             ->requirePresence(['field', 'type'], 'create');
         return $validator;
     }
+
+    public function loadTypeHandlers(): void
+    {
+        if (empty($this->typeHandlers)) {
+            $typeHandlers = [
+                new TextType(),
+                new IPv4Type(),
+                new IPv6Type(),
+            ];
+            foreach ($typeHandlers as $handler) {
+                $this->typeHandlers[$handler::TYPE] = $handler;
+            }
+        }
+    }
+
+    public function getTypeHandlers(): array
+    {
+        return $this->typeHandlers;
+    }
+
+    public function getTypeHandler($type)
+    {
+        return $this->typeHandlers[$type] ?? false;
+    }
 }