Use model-specified soft delete column name (#2)

src/Observers/DeepSync.php

@@ -143,7 +143,8 @@ private function reflectionIterator(callable $callback): void
     private function handleDelete(Collection $parents, Model $childRecord): void
     {
         $parents->filter(function($parent) {
-            return $parent->deleted_at === null;
+            $deletedAtColumn = $parent->getDeletedAtColumn();
+            return $parent->$deletedAtColumn === null;
         });
 
         if (!count($parents)) {

tests/Database/migrations/2024_09_27_160051_create_posts_table.php

@@ -18,7 +18,7 @@ public function up(): void
             $table->string('title');
             $table->text('body');
             $table->timestamps();
-            $table->softDeletes();
+            $table->timestamp('archive_date')->nullable();
         });
     }
 

tests/Models/Post.php

@@ -27,6 +27,8 @@ class Post extends Model
         'is_active'
     ];
 
+    const DELETED_AT = 'archive_date';
+
     /**
      * DeepSync properties and trigger values
      */