Make deleted value configurable for SoftDeleteableFilter.php

Author: bartholdbos

src/SoftDeleteable/Filter/SoftDeleteableFilter.php

@@ -70,7 +70,7 @@ public function addFilterConstraint(ClassMetadata $targetEntity, $targetTableAli
 
         $column = $quoteStrategy->getColumnName($config['fieldName'], $targetEntity, $platform);
 
-        $addCondSql = $targetTableAlias.'.'.$column.' '.$config['deletedValue'] === null ? 'IS NULL' : '= ' . $config['deletedValue'];
+        $addCondSql = $targetTableAlias.'.'.$column.' '.(isset($config['deletedValue']) ? '= ' . $config['deletedValue'] : 'IS NULL');
         if (isset($config['timeAware']) && $config['timeAware']) {
             $addCondSql = "({$addCondSql} OR {$targetTableAlias}.{$column} > {$platform->getCurrentTimestampSQL()})";
         }

src/SoftDeleteable/Mapping/Driver/Attribute.php

@@ -62,6 +62,10 @@ public function readExtendedMetadata($meta, array &$config)
 
                 $config['hardDelete'] = $annot->hardDelete;
             }
+
+            if (isset($annot->deletedValue)) {
+                $config['deletedValue'] = $annot->deletedValue;
+            }
         }
 
         $this->validateFullMetadata($meta, $config);