# double-opt-in/3.0.1/ui/UICategories.class.php

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 3.0.1. 227 lines.

- Page: https://pluginprobe.com/plugins/double-opt-in/3.0.1/code/ui/UICategories.class.php
- Raw: https://pluginprobe.com/plugins/double-opt-in/3.0.1/raw/ui/UICategories.class.php
- Modified: 2024-08-13T13:52:36+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/3.0.1/code/ui/UICategories.class.php#L10-L20`.

```php
<?php

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

	/**
	 * Class UICategories
	 *
	 * @package forge12\contactform7\CF7DoubleOptIn
	 */
	class UICategories extends UIPageForm {
		/**
		 * Constructor for the class.
		 *
		 * @param TemplateHandler $templateHandler The template handler object.
		 * @param string          $domain          The domain.
		 *
		 * @return void
		 */
		public function __construct( TemplateHandler $templateHandler, string $domain ) {

			parent::__construct( $templateHandler, $domain, 'categories', __( 'Categories', 'double-opt-in' ) );

			$this->hideSubmitButton( true );

			// Check for error message
			if ( isset( $_GET['status'] ) ) {
				$status = sanitize_text_field( $_GET['status'] );

				switch ( $status ) {
					case 'category-deleted':
						Messages::getInstance()->add( __( 'Category deleted', 'double-opt-in' ), 'success' );
						break;
					case 'category-not-deleted':
						Messages::getInstance()->add( __( 'Category not-deleted', 'double-opt-in' ), 'error' );
						break;
					default:
						break;
				}
			}
		}

		/**
		 * Check if the category should be deleted
		 */
		private function maybeDelete() {
			if ( ! isset( $_GET['id'] ) ) {
				return;
			}

			if ( ! isset( $_GET['nonce'] ) ) {
				return;
			}

			if ( ! isset( $_GET['option'] ) ) {
				return;
			}

			$option = sanitize_text_field( $_GET['option'] );
			$id     = (int) $_GET['id'];
			$nonce  = sanitize_text_field( $_GET['nonce'] );

			if ( 'delete' !== $option ) {
				return;
			}

			$page = (int) $_GET['pageNum'];

			if ( ! wp_verify_nonce( $_GET['nonce'], 'doi-delete-category-' . $id ) ) {
				wp_redirect( admin_url( 'admin.php' ) . '?page=f12-cf7-doubleoptin_categories&pageNum=' . esc_attr( $page ) . '&status=category-not-deleted' );
			}

			if ( Category::delete_by_id( $id ) ) {
				wp_redirect( admin_url( 'admin.php' ) . '?page=f12-cf7-doubleoptin_categories&pageNum=' . esc_attr( $page ) . '&status=category-deleted' );
			} else {
				wp_redirect( admin_url( 'admin.php' ) . '?page=f12-cf7-doubleoptin_categories&pageNum=' . esc_attr( $page ) . '&status=category-not-deleted' );
			}
			wp_die();
		}

		/**
		 * Render the license subpage content
		 */
		protected function theContent( $slug, $page, $settings ) {
			// check for deletion
			$this->maybeDelete();
			?>
            <h2>
				<?php _e( 'Categories', 'double-opt-in' ); ?>
            </h2>

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

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

			$numberOfPages    = 0;
			$listOfCategories = Category::get_list( $atts, $numberOfPages );
			?>

            <table>
                <tr>
                    <th>
						<?php _e( 'ID', 'double-opt-in' ); ?>
                    </th>
                    <th>
						<?php _e( 'Name', 'double-opt-in' ); ?>
                    </th>
                    <th>
						<?php _e( 'Registration Date', 'double-opt-in' ); ?>
                    </th>
                    <th>
						<?php _e( 'Update Date', 'double-opt-in' ); ?>
                    </th>
                    <th></th>
                </tr>
				<?php foreach ( $listOfCategories as $Category /** @var Category $Category */ ) : ?>
                    <tr>
                        <td>
                            <div>
								<?php echo esc_html( $Category->get_id() ); ?>
                            </div>
                        </td>
                        <td>
                            <a href="<?php echo admin_url( 'admin.php' ); ?>?page=f12-cf7-doubleoptin_categories_view&id=<?php esc_attr_e( $Category->get_id() ); ?>"
                               title="<?php _e( 'Show details', 'double-opt-in' ); ?>"><?php echo esc_attr( $Category->get_name() ); ?></a>
                        </td>
                        <td>
							<?php
							echo esc_html( $Category->get_createtime( 'formatted' ) );
							?>
                        </td>
                        <td>
							<?php
							echo esc_html( $Category->get_updatetime( 'formatted' ) );
							?>
                        </td>
                        <td>
                            <a href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=<?php esc_attr_e( $slug . '_' . $page ); ?>&pageNum=<?php esc_attr_e( $atts['page'] ); ?>&option=delete&id=<?php esc_attr_e( $Category->get_id() ); ?>&nonce=<?php echo wp_create_nonce( 'doi-delete-category-' . $Category->get_id() ); ?>">
								<?php _e( 'Delete', 'double-opt-in' ); ?>
                            </a>
                        </td>
                    </tr>
				<?php endforeach; ?>
            </table>
            <div class="tablenav-pages">
				<?php for ( $i = 1; $i <= $numberOfPages; $i ++ ): ?>
                    <a href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=<?php echo esc_attr( $slug . '_' . $page ); ?>&pageNum=<?php echo esc_attr( $i ); ?>"
                       class="button <?php echo ( $atts['page'] ) == $i ? 'active' : ''; ?>">
						<?php echo esc_html( $i ); ?>
                    </a>
				<?php endfor; ?>
            </div>
			<?php
		}

		protected function theSidebar( $slug, $page ) {
			?>
            <div class="box">
                <h2>
					<?php _e( 'New Category:', 'double-opt-in' ); ?>
                </h2>

                <form action="" method="post">
                    <div class="option">
                        <div class="input">
                            <input type="text" name="categorie_name" value=""
                                   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-submit" class="button"
                           value=" <?php _e( 'Add', 'double-opt-in' ); ?>"/>
                </form>
            </div>
			<?php
		}

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

		/**
		 * Create a new Category
		 *
		 * @return void
		 */
		private function maybeAddCategory() {
			$name = sanitize_text_field( $_POST['categorie_name'] );

			if ( empty( $name ) ) {
				Messages::getInstance()->add( __( 'Please enter a valid name for the categorie.', 'double-opt-in' ), 'error' );

				return;
			}

			$Category = new Category();
			$Category->set_name( $name );

			if ( $Category->save() ) {
				Messages::getInstance()->add( __( 'New Category added', 'double-opt-in' ), 'success' );
			} else {
				Messages::getInstance()->add( __( 'Something went wrong', 'double-opt-in' ), 'error' );
			}
		}

		protected function onSave( $settings ) {
			$this->maybeAddCategory();

			return $settings;
		}
	}
}
```