simple-withdrawalbutton/controllers/admin/AdminSimpleWithdrawalController.php

<?php

if (!defined('_PS_VERSION_')) {
    exit;
}

class AdminSimpleWithdrawalController extends ModuleAdminController
{
    public function __construct()
    {
        $this->bootstrap = true;
        $this->table = 'simple_withdrawal_request';
        $this->identifier = 'id_withdrawal_request';
        $this->lang = false;
        $this->explicitSelect = true;
        $this->_select = 'a.*';
        $this->_defaultOrderBy = 'created_at';
        $this->_defaultOrderWay = 'DESC';
        $this->allow_export = true;
        $this->list_no_link = false;
        $this->actions = ['view'];

        $this->fields_list = [
            'id_withdrawal_request' => [
                'title' => $this->l('ID'),
                'align' => 'center',
                'class' => 'fixed-width-xs',
            ],
            'created_at' => [
                'title' => $this->l('Received'),
                'type' => 'datetime',
                'filter_key' => 'a!created_at',
            ],
            'order_reference' => [
                'title' => $this->l('Order reference'),
                'filter_key' => 'a!order_reference',
            ],
            'customer_name' => [
                'title' => $this->l('Name'),
                'filter_key' => 'a!customer_name',
            ],
            'customer_email' => [
                'title' => $this->l('Email'),
                'filter_key' => 'a!customer_email',
            ],
            'withdrawal_scope' => [
                'title' => $this->l('Scope'),
                'callback' => 'renderScopeLabel',
                'callback_object' => $this,
                'filter_key' => 'a!withdrawal_scope',
            ],
            'status' => [
                'title' => $this->l('Status'),
                'callback' => 'renderStatusLabel',
                'callback_object' => $this,
                'filter_key' => 'a!status',
            ],
        ];

        parent::__construct();
    }

    public function renderScopeLabel($value, $row)
    {
        if ($value === 'partial') {
            return '<span class="label label-info">' . $this->l('Partial') . '</span>';
        }

        return '<span class="label label-default">' . $this->l('Full order') . '</span>';
    }

    public function renderStatusLabel($value, $row)
    {
        $labels = [
            'new' => ['class' => 'label-warning', 'text' => $this->l('New')],
            'processing' => ['class' => 'label-info', 'text' => $this->l('Processing')],
            'closed' => ['class' => 'label-success', 'text' => $this->l('Closed')],
        ];

        $label = isset($labels[$value]) ? $labels[$value] : ['class' => 'label-default', 'text' => $value];
        return '<span class="label ' . $label['class'] . '">' . Tools::safeOutput($label['text']) . '</span>';
    }

    public function postProcess()
    {
        if (Tools::isSubmit('submitSimpleWithdrawalStatus')) {
            $this->processStatusUpdate();
            return;
        }

        parent::postProcess();
    }

    private function processStatusUpdate()
    {
        $id = (int) Tools::getValue($this->identifier);
        $status = (string) Tools::getValue('status');
        $allowedStatuses = ['new', 'processing', 'closed'];

        if ($id <= 0 || !in_array($status, $allowedStatuses, true)) {
            $this->errors[] = $this->l('Invalid status update.');
            return;
        }

        $ok = Db::getInstance()->update(
            'simple_withdrawal_request',
            ['status' => $status],
            '`id_withdrawal_request` = ' . (int) $id
        );

        if ($ok) {
            Tools::redirectAdmin(self::$currentIndex . '&token=' . $this->token . '&conf=4&view' . $this->table . '=1&' . $this->identifier . '=' . (int) $id);
        }

        $this->errors[] = $this->l('The status could not be updated.');
    }

    public function renderView()
    {
        $id = (int) Tools::getValue($this->identifier);
        $row = Db::getInstance()->getRow(
            'SELECT * FROM `' . _DB_PREFIX_ . pSQL('simple_withdrawal_request') . '`
             WHERE `id_withdrawal_request` = ' . (int) $id
        );

        if (!$row) {
            $this->errors[] = $this->l('Withdrawal request not found.');
            return parent::renderList();
        }

        $orderLink = '';
        if (!empty($row['id_order'])) {
            $orderLink = $this->context->link->getAdminLink('AdminOrders', true, [], [
                'id_order' => (int) $row['id_order'],
                'vieworder' => 1,
            ]);
        }

        $this->context->smarty->assign([
            'request' => $row,
            'order_link' => $orderLink,
            'current_index' => self::$currentIndex,
            'token' => $this->token,
            'identifier' => $this->identifier,
            'back_link' => self::$currentIndex . '&token=' . $this->token,
        ]);

        return $this->module->display(
            _PS_MODULE_DIR_ . $this->module->name . '/' . $this->module->name . '.php',
            'views/templates/admin/view.tpl'
        );
    }
}