# double-opt-in/2.11/ui/UICategoriesView.class.php

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 2.11. 176 lines.

- Page: https://pluginprobe.com/plugins/double-opt-in/2.11/code/ui/UICategoriesView.class.php
- Raw: https://pluginprobe.com/plugins/double-opt-in/2.11/raw/ui/UICategoriesView.class.php
- Modified: 2022-12-16T11:04:54+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/double-opt-in/2.11/code/ui/UICategoriesView.class.php#L10-L20`.

```php
<?php

namespace forge12\contactform7\CF7DoubleOptIn {
    if (!defined('ABSPATH')) {
        exit;
    }

    /**
     * Class UICategories
     * Show the Category and Assigned DOIs
     *
     * @package forge12\contactform7\CF7DoubleOptIn
     */
    class UICategoriesView extends UIPage
    {
        public function __construct($domain)
        {
            parent::__construct($domain, 'categories_view', 'Category View');

            add_action('admin_init', array($this, 'maybeUpdateCategory'));
        }

        public function maybeUpdateCategory(){
            if(isset($_POST['doi_settings_nonce']) && !wp_verify_nonce($_POST['doi_settings_nonce'],'doi_settings_action')){
                return;
            }

            if(!isset($_POST['doubleoptin-settings-edit-submit'])){
                return;
            }

            if(!isset($_POST['category_id'])){
                return;
            }

            $category_id = (int)$_POST['category_id'];

            $Category = Category::get_by_id($category_id);

            if(null === $Category){
                return;
            }

            $name = sanitize_text_field($_POST['categorie_name']);

            if(empty($name)){
                return false;
            }

            $Category->set_name($name);

            if($Category->save()){
                Messages::getInstance()->add(__('Category updated', 'double-opt-in'), 'success');
            }else{
                Messages::getInstance()->add(__('Category update failed', 'double-opt-in'), 'error');
            }
        }

        /**
         * Hide this page in the menu.
         * @return bool
         */
        public function hideInMenu()
        {
            return true;
        }

        /**
         * Render the license subpage content
         */
        protected function theContent($slug, $page, $settings)
        {
            /*
             * Ensure that the ID for the Categorie is set
             */
            if(!isset($_GET['id'])){
                wp_redirect(admin_url('admin.php').'?page=f12-cf7-doubleoptin');
            }

            $id = (int)$_GET['id'];

            /*
             * Load the assigned Category
             */
            $Category = Category::get_by_id($id);

            if(null === $Category){
                wp_redirect(admin_url('admin.php').'?page=f12-cf7-doubleoptin');
            }

            $atts = array(
                'perPage' => 10,
                'page' => 1,
                'order' => 'DESC',
            );

            if (isset($_GET['pageNum'])) {
                $atts['page'] = (int)$_GET['pageNum'];
            }

            if(isset($_GET['perPage'])){
                $atts['perPage'] = (int)$_GET['perPage'];
            }

            if(isset($_GET['keyword'])){
                $atts['keyword'] = sanitize_text_field($_GET['keyword']);
            }

            $numberOfPages = 0;
            $listOfOptIns = OptIn::get_list_by_category_id($Category->get_id(), $atts, $numberOfPages);

            /*
             * Render the Template
             */
            ?>
            <h1><?php _e('Category: ', 'double-opt-in').esc_attr_e($Category->get_name()); ?></h1>
            <?php

            CF7DoubleOptIn::getInstance()->renderTemplate('list-optins', array(
                'domain' => $this->domain,
                'listOfOptIns' => $listOfOptIns,
                'numberOfPages' => $numberOfPages,
                'currentPage' => $atts['page'],
                'slug' => $slug
            ));
        }

        protected function theSidebar($slug, $page)
        {
            /*
             * Ensure that the ID for the Categorie is set
             */
            if(!isset($_GET['id'])){
                wp_redirect(admin_url('admin.php').'?page=f12-cf7-doubleoptin');
            }

            $id = (int)$_GET['id'];

            /*
             * Load the assigned Category
             */
            $Category = Category::get_by_id($id);

            ?>
            <div class="box">
                <h2>
                    <?php _e('Edit Category:', 'double-opt-in'); ?>
                </h2>

                <form action="" method="post">
                    <div class="option">
                        <input type="hidden" value="<?php esc_attr_e($_GET['id']);?>" name="category_id" />
                        <div class="input">
                            <input type="text" name="categorie_name" value="<?php esc_attr_e($Category->get_name());?>" placeholder="<?php _e('Please enter the Name of the Categorie', 'double-opt-in'); ?>"/>
                            <p>
                                <?php _e('Enter the name of the Categorie and submit.', 'double-opt-in'); ?>
                            </p>
                        </div>
                    </div>
                    <?php
                    wp_nonce_field('doi_settings_action', 'doi_settings_nonce');
                    ?>

                    <input type="submit" name="doubleoptin-settings-edit-submit" class="button"
                           value=" <?php _e('Update', 'double-opt-in'); ?>"/>
                </form>
            </div>
            <?php
        }

        public function getSettings($settings)
        {
            return $settings;
        }
    }
}
```