add mutators to jsonb columns

app/Http/Controllers/TableController.php

@@ -44,7 +44,7 @@ class TableController extends Controller
         return view('table.view', [
             'table' => $tableModel,
             'revision' => $revision,
-            'columns' => Column::columnsFromJson(json_decode($revision->columns)),
+            'columns' => Column::columnsFromJson($revision->columns),
             'rows' => $revision->rows()->paginate(25),
         ]);
     }
@@ -204,7 +204,7 @@ class TableController extends Controller
                     $parsed[$key] = $columns[$i]->cast($val);
                 }
                 return [
-                    'data' => json_encode($parsed),
+                    'data' => $parsed,
                 ];
             }, $rowTable);
 
@@ -215,7 +215,7 @@ class TableController extends Controller
 
         $revisionFields = [
             'note' => "Initial revision of table $u->name/$input->name",
-            'columns' => json_encode($columns),
+            'columns' => $columns,
             'row_count' => count($rowsData),
         ];
 

app/Models/Revision.php

@@ -25,6 +25,10 @@ class Revision extends BaseModel
     use HasRelaquentRelationships;
     protected $guarded = [];
 
+    protected $casts = [
+        'columns' => 'object',
+    ];
+
     /** Included rows */
     public function rows()
     {

app/Models/Row.php

@@ -10,6 +10,10 @@ namespace App\Models;
  */
 class Row extends BaseModel
 {
+    protected $casts = [
+        'data' => 'object',
+    ];
+
     protected $guarded = [];
     public $timestamps = false;
 }

app/Tables/BaseExporter.php

@@ -131,7 +131,7 @@ abstract class BaseExporter
             $rows = $revision->rows()->offset($start)->limit($chunkSize)->get();
 
             foreach ($rows as $row) {
-                $data = json_decode($row->data);
+                $data = $row->data;
 
                 // column renaming, value formatting...