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✏️ Editing: class-storefront-plugin-install.php

<?php
/**
 * Storefront Plugin Install Class
 *
 * @package  storefront
 * @since    2.2.0
 */

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

if ( ! class_exists( 'Storefront_Plugin_Install' ) ) :
	/**
	 * The Storefront plugin install class
	 */
	class Storefront_Plugin_Install {

/**
		 * Setup class.
		 *
		 * @since 1.0
		 */
		public function __construct() {
			add_action( 'admin_enqueue_scripts', array( $this, 'plugin_install_scripts' ) );
		}

/**
		 * Load plugin install scripts
		 *
		 * @param string $hook_suffix the current page hook suffix.
		 * @return void
		 * @since  1.4.4
		 */
		public function plugin_install_scripts( $hook_suffix ) {
			global $storefront_version;

$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';

wp_enqueue_script( 'storefront-plugin-install', get_template_directory_uri() . '/assets/js/admin/plugin-install' . $suffix . '.js', array( 'jquery', 'updates' ), $storefront_version, 'all' );

wp_enqueue_style( 'storefront-plugin-install', get_template_directory_uri() . '/assets/css/admin/plugin-install.css', array(), $storefront_version, 'all' );
		}

/**
		 * Output a button that will install or activate a plugin if it doesn't exist, or display a disabled button if the
		 * plugin is already activated.
		 *
		 * @param string $plugin_slug The plugin slug.
		 * @param string $plugin_file The plugin file.
		 * @param string $plugin_name The plugin name.
		 * @param string $classes CSS classes.
		 * @param string $activated Button activated text.
		 * @param string $activate Button activate text.
		 * @param string $install Button install text.
		 */
		public static function install_plugin_button( $plugin_slug, $plugin_file, $plugin_name, $classes = array(), $activated = '', $activate = '', $install = '' ) {
			if ( current_user_can( 'install_plugins' ) && current_user_can( 'activate_plugins' ) ) {
				if ( is_plugin_active( $plugin_slug . '/' . $plugin_file ) ) {
					// The plugin is already active.
					$button = array(
						'message' => esc_attr__( 'Activated', 'storefront' ),
						'url'     => '#',
						'classes' => array( 'storefront-button', 'disabled' ),
					);

if ( '' !== $activated ) {
						$button['message'] = esc_attr( $activated );
					}
				} elseif ( self::is_plugin_installed( $plugin_slug ) ) {
					$url = self::is_plugin_installed( $plugin_slug );

// The plugin exists but isn't activated yet.
					$button = array(
						'message' => esc_attr__( 'Activate', 'storefront' ),
						'url'     => $url,
						'classes' => array( 'activate-now' ),
					);

if ( '' !== $activate ) {
						$button['message'] = esc_attr( $activate );
					}
				} else {
					// The plugin doesn't exist.
					$url    = wp_nonce_url(
						add_query_arg(
							array(
								'action' => 'install-plugin',
								'plugin' => $plugin_slug,
							),
							self_admin_url( 'update.php' )
						),
						'install-plugin_' . $plugin_slug
					);
					$button = array(
						'message' => esc_attr__( 'Install now', 'storefront' ),
						'url'     => $url,
						'classes' => array( 'sf-install-now', 'install-now', 'install-' . $plugin_slug ),
					);

if ( '' !== $install ) {
						$button['message'] = esc_attr( $install );
					}
				}

if ( ! empty( $classes ) ) {
					$button['classes'] = array_merge( $button['classes'], $classes );
				}

$button['classes'] = implode( ' ', $button['classes'] );

?>
				<span class="plugin-card-<?php echo esc_attr( $plugin_slug ); ?>">
					<a href="<?php echo esc_url( $button['url'] ); ?>" class="<?php echo esc_attr( $button['classes'] ); ?>" data-originaltext="<?php echo esc_attr( $button['message'] ); ?>" data-name="<?php echo esc_attr( $plugin_name ); ?>" data-slug="<?php echo esc_attr( $plugin_slug ); ?>" aria-label="<?php echo esc_attr( $button['message'] ); ?>"><?php echo esc_html( $button['message'] ); ?></a>
				</span> <?php echo /* translators: conjunction of two alternative options user can choose (in missing plugin admin notice). Example: "Activate WooCommerce or learn more" */ esc_html__( 'or', 'storefront' ); ?>
				<a href="https://wordpress.org/plugins/<?php echo esc_attr( $plugin_slug ); ?>" target="_blank"><?php esc_html_e( 'learn more', 'storefront' ); ?></a>
				<?php
			}
		}

/**
		 * Check if a plugin is installed and return the url to activate it if so.
		 *
		 * @param string $plugin_slug The plugin slug.
		 */
		private static function is_plugin_installed( $plugin_slug ) {
			if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_slug ) ) {
				$plugins = get_plugins( '/' . $plugin_slug );
				if ( ! empty( $plugins ) ) {
					$keys        = array_keys( $plugins );
					$plugin_file = $plugin_slug . '/' . $keys[0];
					$url         = wp_nonce_url(
						add_query_arg(
							array(
								'action' => 'activate',
								'plugin' => $plugin_file,
							),
							admin_url( 'plugins.php' )
						),
						'activate-plugin_' . $plugin_file
					);
					return $url;
				}
			}
			return false;
		}
	}

endif;

return new Storefront_Plugin_Install();

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