bytefury/crater

use Crater\Models\CustomField;

trait HasCustomFieldsTrait
{
    public function fields()
    {
        return $this->morphMany('Crater\Models\CustomFieldValue', 'custom_field_valuable');
    }

    public function addCustomFields($customFields)
    {
        foreach ($customFields as $field) {
            $customField = CustomField::find($field['id']);

            $customFieldValue = [
                'type' => $customField->type,
                'custom_field_id' => $customField->id,
                'company_id' => $customField->company_id,
                getCustomFieldValueKey($customField->type) => $field['value'],
            ];

            $this->fields()->create($customFieldValue);
        }
    }
    //
}

use Illuminate\Database\Eloquent\Model;
use Crater\Traits\HasCustomFieldsTrait;

class Expense extends Model
{
    use HasCustomFieldsTrait;

    //
    public static function createExpense($request)
    {
        $data = $request->validated();
        $data['creator_id'] = Auth::id();
        $data['company_id'] = $request->header('company');

        $expense = self::create($data);

        if ($request->hasFile('attachment_receipt')) {
            $expense->addMediaFromRequest('attachment_receipt')->toMediaCollection('receipts', 'local');
        }

        $customFields = json_decode($request->customFields, true);

        if ($customFields) {
            $expense->addCustomFields($customFields);
        }

        return $expense;
    }
    //
}