fix kashkool

app/Models/Cnt.php

@@ -2,22 +2,74 @@
 
 namespace App\Models;
 
-use App\Http\Controllers\Controller;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Schema;
 
 class Cnt extends Model
 {
     use HasFactory;
+
+    private static ?bool $valueJsonColumnExists = null;
+
     protected $table = 'const';
+
     protected $fillable = [
         'key',
         'title_fa',
         'value',
-        'value_json'
+        'value_json',
     ];
+
     protected $casts = [
-        'value_json'=>'array'
+        'value_json' => 'array',
     ];
+
+    public static function hasValueJsonColumn(): bool
+    {
+        if (static::$valueJsonColumnExists !== null) {
+            return static::$valueJsonColumnExists;
+        }
+
+        try {
+            static::$valueJsonColumnExists = Schema::hasColumn((new static)->getTable(), 'value_json');
+        } catch (\Throwable) {
+            static::$valueJsonColumnExists = false;
+        }
+
+        return static::$valueJsonColumnExists;
+    }
+
+    public function jsonPayload(): array
+    {
+        if (static::hasValueJsonColumn() && is_array($this->value_json)) {
+            return $this->value_json;
+        }
+
+        $raw = $this->value ?? '';
+        if ($raw === '' || $raw === null) {
+            return [];
+        }
+
+        $decoded = json_decode((string) $raw, true);
+
+        return is_array($decoded) ? $decoded : [];
+    }
+
+    public static function saveJsonPayload(string $key, array $payload, ?string $titleFa = null): self
+    {
+        $data = [];
+
+        if ($titleFa !== null) {
+            $data['title_fa'] = $titleFa;
+        }
+
+        if (static::hasValueJsonColumn()) {
+            $data['value_json'] = $payload;
+        } else {
+            $data['value'] = json_encode($payload, JSON_UNESCAPED_UNICODE);
+        }
+
+        return static::updateOrCreate(['key' => $key], $data);
+    }
 }