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<?php
/**
* Merlin WP
* Better WordPress Theme Onboarding
*
* The following code is a derivative work from the
* Envato WordPress Theme Setup Wizard by David Baker.
*
* @package Merlin WP
* @version 1.0.0
* @link https://merlinwp.com/
* @author Rich Tabor, from ThemeBeans.com & the team at ProteusThemes.com
* @copyright Copyright (c) 2018, Merlin WP of Inventionn LLC
* @license Licensed GPLv3 for Open Source Use
*/
// Exit if accessed directly.
if (! defined('ABSPATH')) {
exit;
}
/**
* Merlin.
*/
class Merlin
{
/**
* Current theme.
*
* @var object WP_Theme
*/
protected $theme;
/**
* Current step.
*
* @var string
*/
protected $step = '';
/**
* Steps.
*
* @var array
*/
protected $steps = array();
/**
* TGMPA instance.
*
* @var object
*/
protected $tgmpa;
/**
* Importer.
*
* @var array
*/
protected $importer;
/**
* WP Hook class.
*
* @var Merlin_Hooks
*/
protected $hooks;
/**
* Holds the verified import files.
*
* @var array
*/
public $import_files;
/**
* The base import file name.
*
* @var string
*/
public $import_file_base_name;
/**
* Helper.
*
* @var array
*/
protected $helper;
/**
* Updater.
*
* @var array
*/
protected $updater;
/**
* The text string array.
*
* @var array $strings
*/
protected $strings = null;
/**
* The base path where Merlin is located.
*
* @var array $strings
*/
protected $base_path = null;
/**
* The base url where Merlin is located.
*
* @var array $strings
*/
protected $base_url = null;
/**
* The location where Merlin is located within the theme or plugin.
*
* @var string $directory
*/
protected $directory = null;
/**
* Top level admin page.
*
* @var string $merlin_url
*/
protected $merlin_url = null;
/**
* The wp-admin parent page slug for the admin menu item.
*
* @var string $parent_slug
*/
protected $parent_slug = null;
/**
* The capability required for this menu to be displayed to the user.
*
* @var string $capability
*/
protected $capability = null;
/**
* The URL for the "Learn more about child themes" link.
*
* @var string $child_action_btn_url
*/
protected $child_action_btn_url = null;
/**
* The flag, to mark, if the theme license step should be enabled.
*
* @var boolean $license_step_enabled
*/
protected $license_step_enabled = false;
/**
* The URL for the "Where can I find the license key?" link.
*
* @var string $theme_license_help_url
*/
protected $theme_license_help_url = null;
/**
* Remove the "Skip" button, if required.
*
* @var string $license_required
*/
protected $license_required = null;
/**
* The item name of the EDD product (this theme).
*
* @var string $edd_item_name
*/
protected $edd_item_name = null;
/**
* The theme slug of the EDD product (this theme).
*
* @var string $edd_theme_slug
*/
protected $edd_theme_slug = null;
/**
* The remote_api_url of the EDD shop.
*
* @var string $edd_remote_api_url
*/
protected $edd_remote_api_url = null;
/**
* Turn on dev mode if you're developing.
*
* @var string $dev_mode
*/
protected $dev_mode = false;
/**
* Ignore.
*
* @var string $ignore
*/
public $ignore = null;
/**
* The object with logging functionality.
*
* @var Logger $logger
*/
public $logger;
/**
* Setup plugin version.
*
* @access private
* @since 1.0
* @return void
*/
private function version()
{
if (! defined('MERLIN_VERSION')) {
define('MERLIN_VERSION', '1.0.0');
}
}
/**
* Class Constructor.
*
* @param array $config Package-specific configuration args.
* @param array $strings Text for the different elements.
*/
public function __construct($config = array(), $strings = array())
{
$this->version();
$config = wp_parse_args(
$config,
array(
'base_path' => get_parent_theme_file_path(),
'base_url' => get_parent_theme_file_uri(),
'directory' => 'merlin',
'merlin_url' => 'merlin',
'parent_slug' => 'themes.php',
'capability' => 'manage_options',
'child_action_btn_url' => '',
'dev_mode' => '',
'ready_big_button_url' => home_url('/'),
)
);
// Set config arguments.
$this->base_path = $config['base_path'];
$this->base_url = $config['base_url'];
$this->directory = $config['directory'];
$this->merlin_url = $config['merlin_url'];
$this->parent_slug = $config['parent_slug'];
$this->capability = $config['capability'];
$this->child_action_btn_url = $config['child_action_btn_url'];
$this->license_step_enabled = $config['license_step'];
$this->theme_license_help_url = $config['license_help_url'];
$this->license_required = $config['license_required'];
$this->edd_item_name = $config['edd_item_name'];
$this->edd_theme_slug = $config['edd_theme_slug'];
$this->edd_remote_api_url = $config['edd_remote_api_url'];
$this->dev_mode = $config['dev_mode'];
$this->ready_big_button_url = $config['ready_big_button_url'];
// Strings passed in from the config file.
$this->strings = $strings;
// Retrieve a WP_Theme object.
$this->theme = wp_get_theme();
$this->slug = strtolower(preg_replace('#[^a-zA-Z]#', '', $this->theme->template));
// Set the ignore option.
$this->ignore = $this->slug . '_ignore';
// Is Dev Mode turned on?
if (true !== $this->dev_mode) {
// Has this theme been setup yet?
$already_setup = get_option('merlin_' . $this->slug . '_completed');
// Return if Merlin has already completed it's setup.
if ($already_setup) {
return;
}
}
// Get the logger object, so it can be used in the whole class.
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-logger.php';
$this->logger = Merlin_Logger::get_instance();
// Get TGMPA.
if (class_exists('\Meto\Includes\Library\TGMPA')) {
$this->tgmpa = isset($GLOBALS['tgmpa']) ? $GLOBALS['tgmpa'] : \Meto\Includes\Library\TGMPA::get_instance();
}
add_action('admin_init', array( $this, 'required_classes' ));
add_action('after_switch_theme', array( $this, 'switch_theme' ));
add_action('admin_init', array( $this, 'steps' ), 30, 0);
add_action('admin_menu', array( $this, 'add_admin_menu' ));
add_action('admin_init', array( $this, 'admin_page' ), 30, 0);
add_action('admin_init', array( $this, 'ignore' ), 5);
add_action('admin_footer', array( $this, 'svg_sprite' ));
add_filter('tgmpa_load', array( $this, 'load_tgmpa' ), 10, 1);
add_action('wp_ajax_merlin_content', array( $this, '_ajax_content' ), 10, 0);
add_action('wp_ajax_merlin_get_total_content_import_items', array( $this, '_ajax_get_total_content_import_items' ), 10, 0);
add_action('wp_ajax_merlin_plugins', array( $this, '_ajax_plugins' ), 10, 0);
add_action('wp_ajax_merlin_child_theme', array( $this, 'generate_child' ), 10, 0);
add_action('wp_ajax_merlin_activate_license', array( $this, '_ajax_activate_license' ), 10, 0);
add_action('wp_ajax_merlin_update_selected_import_data_info', array( $this, 'update_selected_import_data_info' ), 10, 0);
add_action('wp_ajax_merlin_import_finished', array( $this, 'import_finished' ), 10, 0);
add_filter('pt-importer/new_ajax_request_response_data', array( $this, 'pt_importer_new_ajax_request_response_data' ));
add_action('import_end', array( $this, 'after_content_import_setup' ));
add_action('import_start', array( $this, 'before_content_import_setup' ));
add_action('admin_init', array( $this, 'register_import_files' ));
}
/**
* Require necessary classes.
*/
public function required_classes()
{
if (! class_exists('\WP_Importer')) {
require ABSPATH . '/wp-admin/includes/class-wp-importer.php';
}
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-downloader.php';
$this->importer = new ProteusThemes\WPContentImporter2\Importer(array( 'fetch_attachments' => true ), $this->logger);
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-widget-importer.php';
if (! class_exists('WP_Customize_Setting')) {
require_once ABSPATH . 'wp-includes/class-wp-customize-setting.php';
}
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-customizer-option.php';
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-customizer-importer.php';
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-redux-importer.php';
require_once trailingslashit($this->base_path) . $this->directory . '/includes/class-merlin-hooks.php';
$this->hooks = new Merlin_Hooks();
if (class_exists('EDD_Theme_Updater_Admin')) {
$this->updater = new EDD_Theme_Updater_Admin();
}
}
/**
* Set redirection transient on theme switch.
*/
public function switch_theme()
{
if (! is_child_theme()) {
set_transient($this->theme->template . '_merlin_redirect', 1);
}
}
/**
* Redirection transient.
*/
public function redirect()
{
if (! get_transient($this->theme->template . '_merlin_redirect')) {
return;
}
delete_transient($this->theme->template . '_merlin_redirect');
wp_safe_redirect(menu_page_url($this->merlin_url, false));
exit;
}
/**
* Give the user the ability to ignore Merlin WP.
*/
public function ignore()
{
// Bail out if not on correct page.
if (! isset($_GET['_wpnonce']) || (! wp_verify_nonce($_GET['_wpnonce'], 'merlinwp-ignore-nounce') || ! is_admin() || ! isset($_GET[ $this->ignore ]) || ! current_user_can('manage_options'))) {
return;
}
update_option('merlin_' . $this->slug . '_completed', 'ignored');
}
/**
* Conditionally load TGMPA
*
* @param string $status User's manage capabilities.
*/
public function load_tgmpa($status)
{
return is_admin() || current_user_can('install_themes');
}
/**
* Determine if the user already has theme content installed.
* This can happen if swapping from a previous theme or updated the current theme.
* We change the UI a bit when updating / swapping to a new theme.
*
* @access public
*/
protected function is_possible_upgrade()
{
return false;
}
/**
* Add the admin menu item, under Appearance.
*/
public function add_admin_menu()
{
// Strings passed in from the config file.
$strings = $this->strings;
$this->hook_suffix = add_theme_page(
esc_html($strings['admin-menu']),
esc_html($strings['admin-menu']),
sanitize_key($this->capability),
sanitize_key($this->merlin_url),
array( $this, 'admin_page' )
);
}
/**
* Add the admin page.
*/
public function admin_page()
{
// Strings passed in from the config file.
$strings = $this->strings;
// Do not proceed, if we're not on the right page.
if (empty($_GET['page']) || $this->merlin_url !== $_GET['page']) {
return;
}
if (ob_get_length()) {
ob_end_clean();
}
$this->step = isset($_GET['step']) ? sanitize_key($_GET['step']) : current(array_keys($this->steps));
// Use minified libraries if dev mode is turned on.
$suffix = ((true === $this->dev_mode)) ? '' : '.min';
// Enqueue styles.
wp_enqueue_style('merlin', trailingslashit($this->base_url) . $this->directory . '/assets/css/merlin' . $suffix . '.css', array( 'wp-admin' ), MERLIN_VERSION);
// Enqueue javascript.
wp_enqueue_script('merlin', trailingslashit($this->base_url) . $this->directory . '/assets/js/merlin' . $suffix . '.js', array( 'jquery-core' ), MERLIN_VERSION);
$texts = array(
'something_went_wrong' => esc_html__('Something went wrong. Please refresh the page and try again!', 'meto'),
);
// Localize the javascript.
if (class_exists('\Meto\Includes\Library\TGMPA')) {
// Check first if TMGPA is included.
wp_localize_script(
'merlin',
'merlin_params',
array(
'tgm_plugin_nonce' => array(
'update' => wp_create_nonce('tgmpa-update'),
'install' => wp_create_nonce('tgmpa-install'),
),
'tgm_bulk_url' => $this->tgmpa->get_tgmpa_url(),
'ajaxurl' => admin_url('admin-ajax.php'),
'wpnonce' => wp_create_nonce('merlin_nonce'),
'texts' => $texts,
)
);
} else {
// If TMGPA is not included.
wp_localize_script(
'merlin',
'merlin_params',
array(
'ajaxurl' => admin_url('admin-ajax.php'),
'wpnonce' => wp_create_nonce('merlin_nonce'),
'texts' => $texts,
)
);
}
ob_start();
/**
* Start the actual page content.
*/
$this->header(); ?>
<div class="merlin__wrapper">
<div class="merlin__content merlin__content--<?php echo esc_attr(strtolower($this->steps[ $this->step ]['name'])); ?>">
<?php
// Content Handlers.
$show_content = true;
if (! empty($_REQUEST['save_step']) && isset($this->steps[ $this->step ]['handler'])) {
$show_content = call_user_func($this->steps[ $this->step ]['handler']);
}
if ($show_content) {
$this->body();
} ?>
<?php $this->step_output(); ?>
</div>
<?php echo sprintf('<a class="return-to-dashboard" href="%s">%s</a>', esc_url(admin_url('/')), esc_html($strings['return-to-dashboard'])); ?>
<?php $ignore_url = wp_nonce_url(admin_url('?' . $this->ignore . '=true'), 'merlinwp-ignore-nounce'); ?>
<?php echo sprintf('<a class="return-to-dashboard ignore" href="%s">%s</a>', esc_url($ignore_url), esc_html($strings['ignore'])); ?>
</div>
<?php $this->footer(); ?>
<?php
exit;
}
/**
* Output the header.
*/
protected function header()
{
// Strings passed in from the config file.
$strings = $this->strings;
// Get the current step.
$current_step = strtolower($this->steps[ $this->step ]['name']); ?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
<head>
<meta name="viewport" content="width=device-width"/>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<?php printf(esc_html($strings['title%s%s%s%s']), '<ti', 'tle>', esc_html($this->theme->name), '</title>'); ?>
<?php do_action('admin_print_styles'); ?>
<?php do_action('admin_print_scripts'); ?>
<?php do_action('admin_head'); ?>
</head>
<body class="merlin__body merlin__body--<?php echo esc_attr($current_step); ?>">
<?php
}
/**
* Output the content for the current step.
*/
protected function body()
{
isset($this->steps[ $this->step ]) ? call_user_func($this->steps[ $this->step ]['view']) : false;
}
/**
* Output the footer.
*/
protected function footer()
{
?>
</body>
<?php do_action('admin_footer'); ?>
<?php do_action('admin_print_footer_scripts'); ?>
</html>
<?php
}
/**
* SVG
*/
public function svg_sprite()
{
// Define SVG sprite file.
$svg = trailingslashit($this->base_path) . $this->directory . '/assets/images/sprite.svg';
// If it exists, include it.
if (file_exists($svg)) {
require_once apply_filters('merlin_svg_sprite', $svg);
}
}
/**
* Return SVG markup.
*
* @param array $args {
* Parameters needed to display an SVG.
*
* @type string $icon Required SVG icon filename.
* @type string $title Optional SVG title.
* @type string $desc Optional SVG description.
* }
* @return string SVG markup.
*/
public function svg($args = array())
{
// Make sure $args are an array.
if (empty($args)) {
return esc_html__('Please define default parameters in the form of an array.', 'meto');
}
// Define an icon.
if (false === array_key_exists('icon', $args)) {
return esc_html__('Please define an SVG icon filename.', 'meto');
}
// Set defaults.
$defaults = array(
'icon' => '',
'title' => '',
'desc' => '',
'aria_hidden' => true, // Hide from screen readers.
'fallback' => false,
);
// Parse args.
$args = wp_parse_args($args, $defaults);
// Set aria hidden.
$aria_hidden = '';
if (true === $args['aria_hidden']) {
$aria_hidden = ' aria-hidden="true"';
}
// Set ARIA.
$aria_labelledby = '';
if ($args['title'] && $args['desc']) {
$aria_labelledby = ' aria-labelledby="title desc"';
}
// Begin SVG markup.
$svg = '<svg class="icon icon--' . esc_attr($args['icon']) . '"' . $aria_hidden . $aria_labelledby . ' role="img">';
// If there is a title, display it.
if ($args['title']) {
$svg .= '<title>' . esc_html($args['title']) . '</title>';
}
// If there is a description, display it.
if ($args['desc']) {
$svg .= '<desc>' . esc_html($args['desc']) . '</desc>';
}
$svg .= '<use xlink:href="#icon-' . esc_html($args['icon']) . '"></use>';
// Add some markup to use as a fallback for browsers that do not support SVGs.
if ($args['fallback']) {
$svg .= '<span class="svg-fallback icon--' . esc_attr($args['icon']) . '"></span>';
}
$svg .= '</svg>';
return $svg;
}
/**
* Allowed HTML for sprites.
*/
public function svg_allowed_html()
{
$array = array(
'svg' => array(
'class' => array(),
'aria-hidden' => array(),
'role' => array(),
),
'use' => array(
'xlink:href' => array(),
),
);
return apply_filters('merlin_svg_allowed_html', $array);
}
/**
* Loading merlin-spinner.
*/
public function loading_spinner()
{
// Define the spinner file.
$spinner = $this->directory . '/assets/images/spinner';
// Retrieve the spinner.
get_template_part(apply_filters('merlin_loading_spinner', $spinner));
}
/**
* Allowed HTML for the loading spinner.
*/
public function loading_spinner_allowed_html()
{
$array = array(
'span' => array(
'class' => array(),
),
'cite' => array(
'class' => array(),
),
);
return apply_filters('merlin_loading_spinner_allowed_html', $array);
}
/**
* Setup steps.
*/
public function steps()
{
$this->steps = array(
'welcome' => array(
'name' => esc_html__('Welcome', 'meto'),
'view' => array( $this, 'welcome' ),
'handler' => array( $this, 'welcome_handler' ),
),
);
$this->steps['requirements'] = array(
'name' => esc_html__('Requirements', 'meto'),
'view' => array( $this, 'requirements' ),
);
$this->steps['child'] = array(
'name' => esc_html__('Child', 'meto'),
'view' => array( $this, 'child' ),
);
if ($this->license_step_enabled) {
$this->steps['license'] = array(
'name' => esc_html__('License', 'meto'),
'view' => array( $this, 'license' ),
);
}
// Show the plugin importer, only if TGMPA is included.
if (class_exists('\Meto\Includes\Library\TGMPA')) {
$this->steps['plugins'] = array(
'name' => esc_html__('Plugins', 'meto'),
'view' => array( $this, 'plugins' ),
);
}
// Show the content importer, only if there's demo content added.
if (! empty($this->import_files)) {
$this->steps['content'] = array(
'name' => esc_html__('Content', 'meto'),
'view' => array( $this, 'content' ),
);
}
$this->steps['ready'] = array(
'name' => esc_html__('Ready', 'meto'),
'view' => array( $this, 'ready' ),
);
$this->steps = apply_filters($this->theme->template . '_merlin_steps', $this->steps);
}
/**
* Output the steps
*/
protected function step_output()
{
$ouput_steps = $this->steps;
$array_keys = array_keys($this->steps);
$current_step = array_search($this->step, $array_keys, true);
array_shift($ouput_steps); ?>
<ol class="dots">
<?php
foreach ($ouput_steps as $step_key => $step) :
$class_attr = '';
$show_link = false;
if ($step_key === $this->step) {
$class_attr = 'active';
} elseif ($current_step > array_search($step_key, $array_keys, true)) {
$class_attr = 'done';
$show_link = true;
} ?>
<li class="<?php echo esc_attr($class_attr); ?>">
<a href="<?php echo esc_url($this->step_link($step_key)); ?>" title="<?php echo esc_attr($step['name']); ?>"></a>
</li>
<?php endforeach; ?>
</ol>
<?php
}
/**
* Get the step URL.
*
* @param string $step Name of the step, appended to the URL.
*/
protected function step_link($step)
{
return add_query_arg('step', $step);
}
/**
* Get the next step link.
*/
protected function step_next_link()
{
$keys = array_keys($this->steps);
$step = array_search($this->step, $keys, true) + 1;
return add_query_arg('step', $keys[ $step ]);
}
/**
* Introduction step
*/
protected function welcome()
{
// Has this theme been setup yet? Compare this to the option set when you get to the last panel.
$already_setup = get_option('merlin_' . $this->slug . '_completed');
// Theme Name.
$theme = ucfirst($this->theme);
// Remove "Child" from the current theme name, if it's installed.
$theme = str_replace(' Child', '', $theme);
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = ! $already_setup ? $strings['welcome-header%s'] : $strings['welcome-header-success%s'];
$paragraph = ! $already_setup ? $strings['welcome%s'] : $strings['welcome-success%s'];
$start = $strings['btn-start'];
$no = $strings['btn-no']; ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'welcome' )), $this->svg_allowed_html()); ?>
<h1><?php echo esc_html(sprintf($header, $theme)); ?></h1>
<p><?php echo esc_html(sprintf($paragraph, $theme)); ?></p>
</div>
<footer class="merlin__content__footer">
<a href="<?php echo esc_url(wp_get_referer() && ! strpos(wp_get_referer(), 'update.php') ? wp_get_referer() : admin_url('/')); ?>" class="merlin__button merlin__button--skip"><?php echo esc_html($no); ?></a>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next merlin__button--proceed merlin__button--colorchange"><?php echo esc_html($start); ?></a>
<?php wp_nonce_field('merlin'); ?>
</footer>
<?php
$this->logger->debug(esc_html__('The welcome step has been displayed', 'meto'));
}
protected function requirements()
{
$screen = get_current_screen();
$allowed_html = wp_kses_allowed_html('post');
// Theme Name.
$theme = ucfirst($this->theme);
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = esc_html__('System Health Check', 'meto');
$php_version = phpversion();
$paragraph = '';
$start = $strings['btn-start'];
$no = $strings['btn-no'];
// $health_test = apply_filters( 'site_status_tests', [] );
// printr($health_test);
if (! class_exists('WP_Site_Health')) {
require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
}
$health_class = new WP_Site_Health;
$health_check_js_variables = array(
'screen' => '',
'nonce' => array(
'site_status' => wp_create_nonce('health-check-site-status'),
'site_status_result' => wp_create_nonce('health-check-site-status-result'),
),
'site_status' => array(
'direct' => array(),
'async' => array(),
'issues' => array(
'good' => 0,
'recommended' => 0,
'critical' => 0,
),
),
);
$tests = WP_Site_Health::get_tests();
// Don't run https test on localhost
if ('localhost' === preg_replace('|https?://|', '', get_site_url())) {
unset($tests['direct']['https_status']);
}
foreach ($tests['direct'] as $test) {
if (is_string($test['test'])) {
$test_function = sprintf(
'get_test_%s',
$test['test']
);
if (method_exists($health_class, $test_function) && is_callable(array( $health_class, $test_function ))) {
$health_check_js_variables['site_status']['direct'][] = call_user_func(array( $health_class, $test_function ));
continue;
}
}
if (is_callable($test['test'])) {
$health_check_js_variables['site_status']['direct'][] = call_user_func($test['test']);
}
} ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'welcome' )), $this->svg_allowed_html()); ?>
<h1><?php echo esc_html(sprintf($header, $theme)); ?></h1>
<ul class="merlin__drawer merlin__drawer--install-plugins" style="max-height: 100%; opacity: 1; pointer-events:inherit; max-width: 850px;">
<?php foreach ($health_check_js_variables['site_status']['direct'] as $health_check) : ?>
<?php
$label_class = 'success';
if ($health_check['status'] == 'critical') {
$label_class = 'error';
} elseif ($health_check['status'] == 'recommended') {
$label_class = 'warning';
} ?>
<li data-slug="php-version" style="opacity: 1; border-bottom: 1px solid #ddd; padding: 10px 0">
<input type="checkbox" name="system_requirements[php-version]" class="checkbox" id="system_requirements-php-version" value="1" checked disabled>
<label for="default_plugins" class="<?php echo esc_attr($label_class); ?>">
<i></i>
<span><strong><?php echo $health_check['label'] ?></strong></span>
<span class="badge">
<span class="hint--top" aria-label="<?php echo esc_attr(ucwords($health_check['status'])) ?>"><?php echo esc_attr($health_check['status']) ?></span>
</span>
</label>
<?php echo wp_kses($health_check['description'], $allowed_html) ?>
</li>
<?php endforeach; ?>
</ul>
</div>
<footer class="merlin__content__footer">
<a href="<?php echo esc_url(wp_get_referer() && ! strpos(wp_get_referer(), 'update.php') ? wp_get_referer() : admin_url('/')); ?>" class="merlin__button merlin__button--skip"><?php echo esc_html($no); ?></a>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next merlin__button--proceed merlin__button--colorchange"><?php echo esc_html($start); ?></a>
<?php wp_nonce_field('merlin'); ?>
</footer>
<?php
$this->logger->debug(esc_html__('The welcome step has been displayed', 'meto'));
}
/**
* Handles save button from welcome page.
* This is to perform tasks when the setup wizard has already been run.
*/
protected function welcome_handler()
{
check_admin_referer('merlin');
return false;
}
/**
* Theme EDD license step.
*/
protected function license()
{
$is_theme_registered = $this->is_theme_registered();
$action_url = $this->theme_license_help_url;
$required = $this->license_required;
$is_theme_registered_class = ($is_theme_registered) ? ' is-registered' : null;
// Theme Name.
$theme = ucfirst($this->theme);
// Remove "Child" from the current theme name, if it's installed.
$theme = str_replace(' Child', '', $theme);
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = ! $is_theme_registered ? $strings['license-header%s'] : $strings['license-header-success%s'];
$action = $strings['license-tooltip'];
$label = $strings['license-label'];
$skip = $strings['btn-license-skip'];
$next = $strings['btn-next'];
$paragraph = ! $is_theme_registered ? $strings['license%s'] : $strings['license-success%s'];
$install = $strings['btn-license-activate']; ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'license' )), $this->svg_allowed_html()); ?>
<svg class="icon icon--checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
<circle class="icon--checkmark__circle" cx="26" cy="26" r="25" fill="none"/><path class="icon--checkmark__check" fill="none" d="M14.1 27.2l7.1 7.2 16.7-16.8"/>
</svg>
<h1><?php echo esc_html(sprintf($header, $theme)); ?></h1>
<p id="license-text"><?php echo esc_html(sprintf($paragraph, $theme)); ?></p>
<?php if (! $is_theme_registered) : ?>
<div class="merlin__content--license-key">
<label for="license-key"><?php echo esc_html($label); ?></label>
<div class="merlin__content--license-key-wrapper">
<input type="text" id="license-key" class="js-license-key" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false">
<?php if (! empty($action_url)) : ?>
<a href="<?php echo esc_url($action_url); ?>" alt="<?php echo esc_attr($action); ?>" target="_blank">
<span class="hint--top" aria-label="<?php echo esc_attr($action); ?>">
<?php echo wp_kses($this->svg(array( 'icon' => 'help' )), $this->svg_allowed_html()); ?>
</span>
</a>
<?php endif ?>
</div>
</div>
<?php endif; ?>
</div>
<footer class="merlin__content__footer <?php echo esc_attr($is_theme_registered_class); ?>">
<?php if (! $is_theme_registered) : ?>
<?php if (! $required) : ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<?php endif ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next button-next js-merlin-license-activate-button" data-callback="activate_license">
<span class="merlin__button--loading__text"><?php echo esc_html($install); ?></span>
<?php echo wp_kses($this->loading_spinner(), $this->loading_spinner_allowed_html()); ?>
</a>
<?php else : ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next merlin__button--proceed merlin__button--colorchange"><?php echo esc_html($next); ?></a>
<?php endif; ?>
<?php wp_nonce_field('merlin'); ?>
</footer>
<?php
$this->logger->debug(esc_html__('The license activation step has been displayed', 'meto'));
}
/**
* Check, if the theme is currently registered.
*
* @return boolean
*/
private function is_theme_registered()
{
$is_registered = get_option($this->edd_theme_slug . '_license_key_status', false) === 'valid';
return apply_filters('merlin_is_theme_registered', $is_registered);
}
/**
* Child theme generator.
*/
protected function child()
{
// Variables.
$is_child_theme = is_child_theme();
$child_theme_option = get_option('merlin_' . $this->slug . '_child');
$theme = $child_theme_option ? wp_get_theme($child_theme_option)->name : $this->theme . ' Child';
$action_url = $this->child_action_btn_url;
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = ! $is_child_theme ? $strings['child-header'] : $strings['child-header-success'];
$action = $strings['child-action-link'];
$skip = $strings['btn-skip'];
$next = $strings['btn-next'];
$paragraph = ! $is_child_theme ? $strings['child'] : $strings['child-success%s'];
$install = $strings['btn-child-install']; ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'child' )), $this->svg_allowed_html()); ?>
<svg class="icon icon--checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
<circle class="icon--checkmark__circle" cx="26" cy="26" r="25" fill="none"/><path class="icon--checkmark__check" fill="none" d="M14.1 27.2l7.1 7.2 16.7-16.8"/>
</svg>
<h1><?php echo esc_html($header); ?></h1>
<p id="child-theme-text"><?php echo esc_html(sprintf($paragraph, $theme)); ?></p>
<a class="merlin__button merlin__button--knockout merlin__button--no-chevron merlin__button--external" href="<?php echo esc_url($action_url); ?>" target="_blank"><?php echo esc_html($action); ?></a>
</div>
<footer class="merlin__content__footer">
<?php if (! $is_child_theme) : ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next button-next" data-callback="install_child">
<span class="merlin__button--loading__text"><?php echo esc_html($install); ?></span>
<?php echo wp_kses($this->loading_spinner(), $this->loading_spinner_allowed_html()); ?>
</a>
<?php else : ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next merlin__button--proceed merlin__button--colorchange"><?php echo esc_html($next); ?></a>
<?php endif; ?>
<?php wp_nonce_field('merlin'); ?>
</footer>
<?php
$this->logger->debug(esc_html__('The child theme installation step has been displayed', 'meto'));
}
/**
* Theme plugins
*/
protected function plugins()
{
// Variables.
$url = wp_nonce_url(add_query_arg(array( 'plugins' => 'go' )), 'merlin');
$method = '';
$fields = array_keys($_POST);
$creds = request_filesystem_credentials(esc_url_raw($url), $method, false, false, $fields);
\Meto\Includes\Library\tgmpa_load_bulk_installer();
if (false === $creds) {
return true;
}
if (! WP_Filesystem($creds)) {
request_filesystem_credentials(esc_url_raw($url), $method, true, false, $fields);
return true;
}
// Are there plugins that need installing/activating?
$plugins = $this->get_tgmpa_plugins();
$required_plugins = $recommended_plugins = array();
$count = count($plugins['all']);
$class = $count ? null : 'no-plugins';
// Split the plugins into required and recommended.
foreach ($plugins['all'] as $slug => $plugin) {
if (! empty($plugin['required'])) {
$required_plugins[ $slug ] = $plugin;
} else {
$recommended_plugins[ $slug ] = $plugin;
}
}
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = $count ? $strings['plugins-header'] : $strings['plugins-header-success'];
$paragraph = $count ? $strings['plugins'] : $strings['plugins-success%s'];
$action = $strings['plugins-action-link'];
$skip = $strings['btn-skip'];
$next = $strings['btn-next'];
$install = $strings['btn-plugins-install']; ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'plugins' )), $this->svg_allowed_html()); ?>
<svg class="icon icon--checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
<circle class="icon--checkmark__circle" cx="26" cy="26" r="25" fill="none"/><path class="icon--checkmark__check" fill="none" d="M14.1 27.2l7.1 7.2 16.7-16.8"/>
</svg>
<h1><?php echo esc_html($header); ?></h1>
<p><?php echo esc_html($paragraph); ?></p>
<?php if ($count) {
?>
<a id="merlin__drawer-trigger" class="merlin__button merlin__button--knockout"><span><?php echo esc_html($action); ?></span><span class="chevron"></span></a>
<?php
} ?>
</div>
<form action="" method="post">
<?php if ($count) : ?>
<ul class="merlin__drawer merlin__drawer--install-plugins">
<?php if (! empty($required_plugins)) : ?>
<?php foreach ($required_plugins as $slug => $plugin) : ?>
<li data-slug="<?php echo esc_attr($slug); ?>">
<input type="checkbox" name="default_plugins[<?php echo esc_attr($slug); ?>]" class="checkbox" id="default_plugins_<?php echo esc_attr($slug); ?>" value="1" checked>
<label for="default_plugins_<?php echo esc_attr($slug); ?>">
<i></i>
<span><?php echo esc_html($plugin['name']); ?></span>
<span class="badge">
<span class="hint--top" aria-label="<?php esc_html_e('Required', 'meto'); ?>">
<?php esc_html_e('req', 'meto'); ?>
</span>
</span>
</label>
</li>
<?php endforeach; ?>
<?php endif; ?>
<?php if (! empty($recommended_plugins)) : ?>
<?php foreach ($recommended_plugins as $slug => $plugin) : ?>
<li data-slug="<?php echo esc_attr($slug); ?>">
<input type="checkbox" name="default_plugins[<?php echo esc_attr($slug); ?>]" class="checkbox" id="default_plugins_<?php echo esc_attr($slug); ?>" value="1" checked>
<label for="default_plugins_<?php echo esc_attr($slug); ?>">
<i></i><span><?php echo esc_html($plugin['name']); ?></span>
</label>
</li>
<?php endforeach; ?>
<?php endif; ?>
</ul>
<?php endif; ?>
<footer class="merlin__content__footer <?php echo esc_attr($class); ?>">
<?php if ($count) : ?>
<a id="close" href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--closer merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<a id="skip" href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next button-next" data-callback="install_plugins">
<span class="merlin__button--loading__text"><?php echo esc_html($install); ?></span>
<?php echo wp_kses($this->loading_spinner(), $this->loading_spinner_allowed_html()); ?>
</a>
<?php else : ?>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next merlin__button--proceed merlin__button--colorchange"><?php echo esc_html($next); ?></a>
<?php endif; ?>
<?php wp_nonce_field('merlin'); ?>
</footer>
</form>
<?php
$this->logger->debug(esc_html__('The plugin installation step has been displayed', 'meto'));
}
/**
* Page setup
*/
protected function content()
{
$import_info = $this->get_import_data_info();
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = $strings['import-header'];
$paragraph = $strings['import'];
$action = $strings['import-action-link'];
$skip = $strings['btn-skip'];
$next = $strings['btn-next'];
$import = $strings['btn-import'];
$multi_import = (1 < count($this->import_files)) ? 'is-multi-import' : null; ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'content' )), $this->svg_allowed_html()); ?>
<svg class="icon icon--checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
<circle class="icon--checkmark__circle" cx="26" cy="26" r="25" fill="none"/><path class="icon--checkmark__check" fill="none" d="M14.1 27.2l7.1 7.2 16.7-16.8"/>
</svg>
<h1><?php echo esc_html($header); ?></h1>
<p><?php echo esc_html($paragraph); ?></p>
<?php if (1 < count($this->import_files)) : ?>
<div class="merlin__select-control-wrapper">
<select class="merlin__select-control js-merlin-demo-import-select">
<?php foreach ($this->import_files as $index => $import_file) : ?>
<option value="<?php echo esc_attr($index); ?>"><?php echo esc_html($import_file['import_file_name']); ?></option>
<?php endforeach; ?>
</select>
<div class="merlin__select-control-help">
<span class="hint--top" aria-label="<?php echo esc_attr__('Select Demo', 'meto'); ?>">
<?php echo wp_kses($this->svg(array( 'icon' => 'downarrow' )), $this->svg_allowed_html()); ?>
</span>
</div>
</div>
<?php endif; ?>
<a id="merlin__drawer-trigger" class="merlin__button merlin__button--knockout"><span><?php echo esc_html($action); ?></span><span class="chevron"></span></a>
</div>
<form action="" method="post" class="<?php echo esc_attr($multi_import); ?>">
<ul class="merlin__drawer merlin__drawer--import-content js-merlin-drawer-import-content">
<?php echo $this->get_import_steps_html($import_info); ?>
</ul>
<footer class="merlin__content__footer">
<a id="close" href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--closer merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<a id="skip" href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--skip merlin__button--proceed"><?php echo esc_html($skip); ?></a>
<a href="<?php echo esc_url($this->step_next_link()); ?>" class="merlin__button merlin__button--next button-next" data-callback="install_content">
<span class="merlin__button--loading__text"><?php echo esc_html($import); ?></span>
<div class="merlin__progress-bar">
<span class="js-merlin-progress-bar"></span>
</div>
<span class="js-merlin-progress-bar-percentage">0%</span>
</a>
<?php wp_nonce_field('merlin'); ?>
</footer>
</form>
<?php
$this->logger->debug(esc_html__('The content import step has been displayed', 'meto'));
}
/**
* Final step
*/
protected function ready()
{
// Author name.
$author = $this->theme->author;
// Theme Name.
$theme = ucfirst($this->theme);
// Remove "Child" from the current theme name, if it's installed.
$theme = str_replace(' Child', '', $theme);
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$header = $strings['ready-header'];
$paragraph = $strings['ready%s'];
$action = $strings['ready-action-link'];
$skip = $strings['btn-skip'];
$next = $strings['btn-next'];
$big_btn = $strings['ready-big-button'];
// Links.
$links = array();
for ($i = 1; $i < 4; $i++) {
if (! empty($strings[ "ready-link-$i" ])) {
$links[] = $strings[ "ready-link-$i" ];
}
}
$links_class = empty($links) ? 'merlin__content__footer--nolinks' : null;
$allowed_html_array = array(
'a' => array(
'href' => array(),
'title' => array(),
'target' => array(),
),
);
update_option('merlin_' . $this->slug . '_completed', time()); ?>
<div class="merlin__content--transition">
<?php echo wp_kses($this->svg(array( 'icon' => 'done' )), $this->svg_allowed_html()); ?>
<h1><?php echo esc_html(sprintf($header, $theme)); ?></h1>
<p><?php wp_kses(printf($paragraph, $author), $allowed_html_array); ?></p>
</div>
<footer class="merlin__content__footer merlin__content__footer--fullwidth <?php echo esc_attr($links_class); ?>">
<a href="<?php echo esc_url($this->ready_big_button_url); ?>" class="merlin__button merlin__button--blue merlin__button--fullwidth merlin__button--popin"><?php echo esc_html($big_btn); ?></a>
<?php if (! empty($links)) : ?>
<a id="merlin__drawer-trigger" class="merlin__button merlin__button--knockout"><span><?php echo esc_html($action); ?></span><span class="chevron"></span></a>
<ul class="merlin__drawer merlin__drawer--extras">
<?php foreach ($links as $link) : ?>
<li><?php echo wp_kses($link, $allowed_html_array); ?></li>
<?php endforeach; ?>
</ul>
<?php endif; ?>
</footer>
<?php
$this->logger->debug(esc_html__('The final step has been displayed', 'meto'));
}
/**
* Get registered TGMPA plugins
*
* @return array
*/
protected function get_tgmpa_plugins()
{
$plugins = array(
'all' => array(), // Meaning: all plugins which still have open actions.
'install' => array(),
'update' => array(),
'activate' => array(),
);
foreach ($this->tgmpa->plugins as $slug => $plugin) {
if ($this->tgmpa->is_plugin_active($slug) && false === $this->tgmpa->does_plugin_have_update($slug)) {
continue;
} else {
$plugins['all'][ $slug ] = $plugin;
if (! $this->tgmpa->is_plugin_installed($slug)) {
$plugins['install'][ $slug ] = $plugin;
} else {
if (false !== $this->tgmpa->does_plugin_have_update($slug)) {
$plugins['update'][ $slug ] = $plugin;
}
if ($this->tgmpa->can_plugin_activate($slug)) {
$plugins['activate'][ $slug ] = $plugin;
}
}
}
}
return $plugins;
}
/**
* Generate the child theme via AJAX.
*/
public function generate_child()
{
// Strings passed in from the config file.
$strings = $this->strings;
// Text strings.
$success = $strings['child-json-success%s'];
$already = $strings['child-json-already%s'];
$name = $this->theme . ' Child';
$slug = sanitize_title($name);
$path = get_theme_root() . '/' . $slug;
if (! file_exists($path)) {
WP_Filesystem();
global $wp_filesystem;
wp_mkdir_p($path);
$wp_filesystem->put_contents($path . '/style.css', $this->generate_child_style_css($this->theme->template, $this->theme->name, $this->theme->author, $this->theme->version));
$wp_filesystem->put_contents($path . '/functions.php', $this->generate_child_functions_php($this->theme->template));
$this->generate_child_screenshot($path);
$allowed_themes = get_option('allowedthemes');
$allowed_themes[ $slug ] = true;
update_option('allowedthemes', $allowed_themes);
} else {
if ($this->theme->template !== $slug) :
update_option('merlin_' . $this->slug . '_child', $name);
switch_theme($slug);
endif;
$this->logger->debug(esc_html__('The existing child theme was activated', 'meto'));
wp_send_json(
array(
'done' => 1,
'message' => sprintf(
esc_html($success),
$slug
),
)
);
}
if ($this->theme->template !== $slug) :
update_option('merlin_' . $this->slug . '_child', $name);
switch_theme($slug);
endif;
$this->logger->debug(esc_html__('The newly generated child theme was activated', 'meto'));
wp_send_json(
array(
'done' => 1,
'message' => sprintf(
esc_html($already),
$name
),
)
);
}
/**
* Activate the theme (license key) via AJAX.
*/
public function _ajax_activate_license()
{
if (! check_ajax_referer('merlin_nonce', 'wpnonce')) {
wp_send_json(
array(
'success' => false,
'message' => esc_html__('Yikes! The theme activation failed. Please try again or contact support.', 'meto'),
)
);
}
if (empty($_POST['license_key'])) {
wp_send_json(
array(
'success' => false,
'message' => esc_html__('Please add your license key before attempting to activate one.', 'meto'),
)
);
}
$license_key = sanitize_key($_POST['license_key']);
if (! has_filter('merlin_ajax_activate_license')) {
$result = $this->edd_activate_license($license_key);
} else {
$result = apply_filters('merlin_ajax_activate_license', $license_key);
}
$this->logger->debug(esc_html__('The license activation was performed with the following results', 'meto'), $result);
wp_send_json(array_merge(array( 'done' => 1 ), $result));
}
/**
* Activate the EDD license.
*
* This code was taken from the EDD licensing addon theme example code
* (`activate_license` method of the `EDD_Theme_Updater_Admin` class).
*
* @param string $license The license key.
*
* @return array
*/
protected function edd_activate_license($license)
{
$success = false;
// Strings passed in from the config file.
$strings = $this->strings;
// Theme Name.
$theme = ucfirst($this->theme);
// Remove "Child" from the current theme name, if it's installed.
$theme = str_replace(' Child', '', $theme);
// Text strings.
$success_message = $strings['license-json-success%s'];
// Data to send in our API request.
$api_params = array(
'edd_action' => 'activate_license',
'license' => rawurlencode($license),
'item_name' => rawurlencode($this->edd_item_name),
'url' => esc_url(home_url('/')),
);
$response = $this->edd_get_api_response($api_params);
// Make sure the response came back okay.
if (is_wp_error($response) || 200 !== wp_remote_retrieve_response_code($response)) {
if (is_wp_error($response)) {
$message = $response->get_error_message();
} else {
$message = esc_html__('An error occurred, please try again.', 'meto');
}
} else {
$license_data = json_decode(wp_remote_retrieve_body($response));
if (false === $license_data->success) {
switch ($license_data->error) {
case 'expired':
$message = sprintf(
/* translators: Expiration date */
esc_html__('Your license key expired on %s.', 'meto'),
date_i18n(get_option('date_format'), strtotime($license_data->expires, current_time('timestamp')))
);
break;
case 'revoked':
$message = esc_html__('Your license key has been disabled.', 'meto');
break;
case 'missing':
$message = esc_html__('This appears to be an invalid license key. Please try again or contact support.', 'meto');
break;
case 'invalid':
case 'site_inactive':
$message = esc_html__('Your license is not active for this URL.', 'meto');
break;
case 'item_name_mismatch':
/* translators: EDD Item Name */
$message = sprintf(esc_html__('This appears to be an invalid license key for %s.', 'meto'), $this->edd_item_name);
break;
case 'no_activations_left':
$message = esc_html__('Your license key has reached its activation limit.', 'meto');
break;
default:
$message = esc_html__('An error occurred, please try again.', 'meto');
break;
}
} else {
if ('valid' === $license_data->license) {
$message = sprintf(esc_html($success_message), $theme);
$success = true;
// Removes the default EDD hook for this option, which breaks the AJAX call.
remove_all_actions('update_option_' . $this->edd_theme_slug . '_license_key', 10);
update_option($this->edd_theme_slug . '_license_key_status', $license_data->license);
update_option($this->edd_theme_slug . '_license_key', $license);
}
}
}
return compact('success', 'message');
}
/**
* Makes a call to the API.
*
* This code was taken from the EDD licensing addon theme example code
* (`get_api_response` method of the `EDD_Theme_Updater_Admin` class).
*
* @param array $api_params to be used for wp_remote_get.
* @return array $response JSON response.
*/
private function edd_get_api_response($api_params)
{
$verify_ssl = (bool) apply_filters('edd_sl_api_request_verify_ssl', true);
$response = wp_remote_post(
$this->edd_remote_api_url,
array(
'timeout' => 15,
'sslverify' => $verify_ssl,
'body' => $api_params,
)
);
return $response;
}
/**
* Content template for the child theme functions.php file.
*
* @link https://gist.github.com/richtabor/688327dd103b1aa826ebae47e99a0fbe
*
* @param string $slug Parent theme slug.
*/
public function generate_child_functions_php($slug)
{
$slug_no_hyphens = strtolower(preg_replace('#[^a-zA-Z]#', '', $slug));
$output = "
<?php
/**
* Theme functions and definitions.
* This child theme was generated by Merlin WP.
*
* @link https://developer.wordpress.org/themes/basics/theme-functions/
*/
/*
* If your child theme has more than one .css file (eg. ie.css, style.css, main.css) then
* you will have to make sure to maintain all of the parent theme dependencies.
*
* Make sure you're using the correct handle for loading the parent theme's styles.
* Failure to use the proper tag will result in a CSS file needlessly being loaded twice.
* This will usually not affect the site appearance, but it's inefficient and extends your page's loading time.
*
* @link https://codex.wordpress.org/Child_Themes
*/
function {$slug_no_hyphens}_child_enqueue_styles() {
wp_enqueue_style( '{$slug}-style' , get_template_directory_uri() . '/style.css' );
wp_enqueue_style( '{$slug}-child-style',
get_stylesheet_directory_uri() . '/style.css',
array( '{$slug}-style' ),
wp_get_theme()->get('Version')
);
}
add_action( 'wp_enqueue_scripts', '{$slug_no_hyphens}_child_enqueue_styles' );\n
";
// Let's remove the tabs so that it displays nicely.
$output = trim(preg_replace('/\t+/', '', $output));
$this->logger->debug(esc_html__('The child theme functions.php content was generated', 'meto'));
// Filterable return.
return apply_filters('merlin_generate_child_functions_php', $output, $slug);
}
/**
* Content template for the child theme functions.php file.
*
* @link https://gist.github.com/richtabor/7d88d279706fc3093911e958fd1fd791
*
* @param string $slug Parent theme slug.
* @param string $parent Parent theme name.
* @param string $author Parent theme author.
* @param string $version Parent theme version.
*/
public function generate_child_style_css($slug, $parent, $author, $version)
{
$output = "
/**
* Theme Name: {$parent} Child
* Description: This is a child theme of {$parent}, generated by Merlin WP.
* Author: {$author}
* Template: {$slug}
* Version: {$version}
*/\n
";
// Let's remove the tabs so that it displays nicely.
$output = trim(preg_replace('/\t+/', '', $output));
$this->logger->debug(esc_html__('The child theme style.css content was generated', 'meto'));
return apply_filters('merlin_generate_child_style_css', $output, $slug, $parent, $version);
}
/**
* Generate child theme screenshot file.
*
* @param string $path Child theme path.
*/
public function generate_child_screenshot($path)
{
$screenshot = apply_filters('merlin_generate_child_screenshot', '');
if (! empty($screenshot)) {
// Get custom screenshot file extension
if ('.png' === substr($screenshot, -4)) {
$screenshot_ext = 'png';
} else {
$screenshot_ext = 'jpg';
}
} else {
if (file_exists($this->base_path . '/screenshot.png')) {
$screenshot = $this->base_path . '/screenshot.png';
$screenshot_ext = 'png';
} elseif (file_exists($this->base_path . '/screenshot.jpg')) {
$screenshot = $this->base_path . '/screenshot.jpg';
$screenshot_ext = 'jpg';
}
}
if (! empty($screenshot) && file_exists($screenshot)) {
$copied = copy($screenshot, $path . '/screenshot.' . $screenshot_ext);
$this->logger->debug(esc_html__('The child theme screenshot was copied to the child theme, with the following result', 'meto'), array( 'copied' => $copied ));
} else {
$this->logger->debug(esc_html__('The child theme screenshot was not generated, because of these results', 'meto'), array( 'screenshot' => $screenshot ));
}
}
/**
* Do plugins' AJAX
*
* @internal Used as a calback.
*/
public function _ajax_plugins()
{
if (! check_ajax_referer('merlin_nonce', 'wpnonce') || empty($_POST['slug'])) {
exit(0);
}
$json = array();
$tgmpa_url = $this->tgmpa->get_tgmpa_url();
$plugins = $this->get_tgmpa_plugins();
foreach ($plugins['activate'] as $slug => $plugin) {
if ($_POST['slug'] === $slug) {
$json = array(
'url' => $tgmpa_url,
'plugin' => array( $slug ),
'tgmpa-page' => $this->tgmpa->menu,
'plugin_status' => 'all',
'_wpnonce' => wp_create_nonce('bulk-plugins'),
'action' => 'tgmpa-bulk-activate',
'action2' => - 1,
'message' => esc_html__('Activating', 'meto'),
);
break;
}
}
foreach ($plugins['update'] as $slug => $plugin) {
if ($_POST['slug'] === $slug) {
$json = array(
'url' => $tgmpa_url,
'plugin' => array( $slug ),
'tgmpa-page' => $this->tgmpa->menu,
'plugin_status' => 'all',
'_wpnonce' => wp_create_nonce('bulk-plugins'),
'action' => 'tgmpa-bulk-update',
'action2' => - 1,
'message' => esc_html__('Updating', 'meto'),
);
break;
}
}
foreach ($plugins['install'] as $slug => $plugin) {
if ($_POST['slug'] === $slug) {
$json = array(
'url' => $tgmpa_url,
'plugin' => array( $slug ),
'tgmpa-page' => $this->tgmpa->menu,
'plugin_status' => 'all',
'_wpnonce' => wp_create_nonce('bulk-plugins'),
'action' => 'tgmpa-bulk-install',
'action2' => - 1,
'message' => esc_html__('Installing', 'meto'),
);
break;
}
}
if ($json) {
$this->logger->debug(
esc_html__('A plugin with the following data will be processed', 'meto'),
array(
'plugin_slug' => $_POST['slug'],
'message' => $json['message'],
)
);
$json['hash'] = md5(serialize($json));
$json['message'] = esc_html__('Installing', 'meto');
wp_send_json($json);
} else {
$this->logger->debug(
esc_html__('A plugin with the following data was processed', 'meto'),
array(
'plugin_slug' => $_POST['slug'],
)
);
wp_send_json(
array(
'done' => 1,
'message' => esc_html__('Success', 'meto'),
)
);
}
exit;
}
/**
* Do content's AJAX
*
* @internal Used as a callback.
*/
public function _ajax_content()
{
static $content = null;
$selected_import = intval($_POST['selected_index']);
if (null === $content) {
$content = $this->get_import_data($selected_import);
}
if (! check_ajax_referer('merlin_nonce', 'wpnonce') || empty($_POST['content']) && isset($content[ $_POST['content'] ])) {
$this->logger->error(esc_html__('The content importer AJAX call failed to start, because of incorrect data', 'meto'));
wp_send_json_error(
array(
'error' => 1,
'message' => esc_html__('Invalid content!', 'meto'),
)
);
}
$json = false;
$this_content = $content[ $_POST['content'] ];
if (isset($_POST['proceed'])) {
if (is_callable($this_content['install_callback'])) {
$this->logger->info(
esc_html__('The content import AJAX call will be executed with this import data', 'meto'),
array(
'title' => $this_content['title'],
'data' => $this_content['data'],
)
);
$logs = call_user_func($this_content['install_callback'], $this_content['data']);
if ($logs) {
$json = array(
'done' => 1,
'message' => $this_content['success'],
'debug' => '',
'logs' => $logs,
'errors' => '',
);
// The content import ended, so we should mark that all posts were imported.
if ('content' === $_POST['content']) {
$json['num_of_imported_posts'] = 'all';
}
}
}
} else {
$json = array(
'url' => admin_url('admin-ajax.php'),
'action' => 'merlin_content',
'proceed' => 'true',
'content' => $_POST['content'],
'_wpnonce' => wp_create_nonce('merlin_nonce'),
'selected_index' => $selected_import,
'message' => $this_content['installing'],
'logs' => '',
'errors' => '',
);
}
if ($json) {
$json['hash'] = md5(serialize($json));
wp_send_json($json);
} else {
$this->logger->error(
esc_html__('The content import AJAX call failed with this passed data', 'meto'),
array(
'selected_content_index' => $selected_import,
'importing_content' => $_POST['content'],
'importing_data' => $this_content['data'],
)
);
wp_send_json(
array(
'error' => 1,
'message' => esc_html__('Error', 'meto'),
'logs' => '',
'errors' => '',
)
);
}
}
/**
* AJAX call to retrieve total items (posts, pages, CPT, attachments) for the content import.
*/
public function _ajax_get_total_content_import_items()
{
if (! check_ajax_referer('merlin_nonce', 'wpnonce') && empty($_POST['selected_index'])) {
$this->logger->error(esc_html__('The content importer AJAX call for retrieving total content import items failed to start, because of incorrect data.', 'meto'));
wp_send_json_error(
array(
'error' => 1,
'message' => esc_html__('Invalid data!', 'meto'),
)
);
}
$selected_import = intval($_POST['selected_index']);
$import_files = $this->get_import_files_paths($selected_import);
wp_send_json_success($this->importer->get_number_of_posts_to_import($import_files['content']));
}
/**
* Get import data from the selected import.
* Which data does the selected import have for the import.
*
* @param int $selected_import_index The index of the predefined demo import.
*
* @return bool|array
*/
public function get_import_data_info($selected_import_index = 0)
{
$import_data = array(
'content' => false,
'widgets' => false,
'options' => false,
'sliders' => false,
'redux' => false,
'after_import' => false,
);
if (empty($this->import_files[ $selected_import_index ])) {
return false;
}
if (
! empty($this->import_files[ $selected_import_index ]['import_file_url']) ||
! empty($this->import_files[ $selected_import_index ]['local_import_file'])
) {
$import_data['content'] = true;
}
if (
! empty($this->import_files[ $selected_import_index ]['import_widget_file_url']) ||
! empty($this->import_files[ $selected_import_index ]['local_import_widget_file'])
) {
$import_data['widgets'] = true;
}
if (
! empty($this->import_files[ $selected_import_index ]['import_customizer_file_url']) ||
! empty($this->import_files[ $selected_import_index ]['local_import_customizer_file'])
) {
$import_data['options'] = true;
}
if (
! empty($this->import_files[ $selected_import_index ]['import_rev_slider_file_url']) ||
! empty($this->import_files[ $selected_import_index ]['local_import_rev_slider_file'])
) {
$import_data['sliders'] = true;
}
if (
! empty($this->import_files[ $selected_import_index ]['import_redux']) ||
! empty($this->import_files[ $selected_import_index ]['local_import_redux'])
) {
$import_data['redux'] = true;
}
if (false !== has_action('merlin_after_all_import')) {
$import_data['after_import'] = true;
}
return $import_data;
}
/**
* Get the import files/data.
*
* @param int $selected_import_index The index of the predefined demo import.
*
* @return array
*/
protected function get_import_data($selected_import_index = 0)
{
$content = array();
$import_files = $this->get_import_files_paths($selected_import_index);
if (! empty($import_files['content'])) {
$content['content'] = array(
'title' => esc_html__('Content', 'meto'),
'description' => esc_html__('Demo content data.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'install_callback' => array( $this->importer, 'import' ),
'data' => $import_files['content'],
);
}
if (! empty($import_files['widgets'])) {
$content['widgets'] = array(
'title' => esc_html__('Widgets', 'meto'),
'description' => esc_html__('Sample widgets data.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'install_callback' => array( 'Merlin_Widget_Importer', 'import' ),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'data' => $import_files['widgets'],
);
}
if (! empty($import_files['sliders'])) {
$content['sliders'] = array(
'title' => esc_html__('Revolution Slider', 'meto'),
'description' => esc_html__('Sample Revolution sliders data.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'install_callback' => array( $this, 'import_revolution_sliders' ),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'data' => $import_files['sliders'],
);
}
if (! empty($import_files['options'])) {
$content['options'] = array(
'title' => esc_html__('Options', 'meto'),
'description' => esc_html__('Sample theme options data.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'install_callback' => array( 'Merlin_Customizer_Importer', 'import' ),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'data' => $import_files['options'],
);
}
if (! empty($import_files['redux'])) {
$content['redux'] = array(
'title' => esc_html__('Redux Options', 'meto'),
'description' => esc_html__('Redux framework options.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'install_callback' => array( 'Merlin_Redux_Importer', 'import' ),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'data' => $import_files['redux'],
);
}
if (false !== has_action('merlin_after_all_import')) {
$content['after_import'] = array(
'title' => esc_html__('After import setup', 'meto'),
'description' => esc_html__('After import setup.', 'meto'),
'pending' => esc_html__('Pending', 'meto'),
'installing' => esc_html__('Installing', 'meto'),
'success' => esc_html__('Success', 'meto'),
'install_callback' => array( $this->hooks, 'after_all_import_action' ),
'checked' => $this->is_possible_upgrade() ? 0 : 1,
'data' => $selected_import_index,
);
}
$content = apply_filters('merlin_get_base_content', $content, $this);
return $content;
}
/**
* Import revolution slider.
*
* @param string $file Path to the revolution slider zip file.
*/
public function import_revolution_sliders($file)
{
if (! class_exists('RevSlider', false)) {
return 'failed';
}
$importer = new RevSliderSliderImport();
$response = $importer->import_slider(true, $file);
$this->logger->info(esc_html__('The revolution slider import was executed', 'meto'));
if (defined('DOING_AJAX') && DOING_AJAX) {
return 'true';
}
}
/**
* Change the new AJAX request response data.
*
* @param array $data The default data.
*
* @return array The updated data.
*/
public function pt_importer_new_ajax_request_response_data($data)
{
$data['url'] = admin_url('admin-ajax.php');
$data['message'] = esc_html__('Installing', 'meto');
$data['proceed'] = 'true';
$data['action'] = 'merlin_content';
$data['content'] = 'content';
$data['_wpnonce'] = wp_create_nonce('merlin_nonce');
$data['hash'] = md5(rand()); // Has to be unique (check JS code catching this AJAX response).
return $data;
}
/**
* After content import setup code.
*/
public function after_content_import_setup()
{
// Set static homepage.
$homepage = get_page_by_title(apply_filters('merlin_content_home_page_title', 'Home'));
if ($homepage) {
update_option('page_on_front', $homepage->ID);
update_option('show_on_front', 'page');
$this->logger->debug(esc_html__('The home page was set', 'meto'), array( 'homepage_id' => $homepage ));
}
// Set static blog page.
$blogpage = get_page_by_title(apply_filters('merlin_content_blog_page_title', 'Blog'));
if ($blogpage) {
update_option('page_for_posts', $blogpage->ID);
update_option('show_on_front', 'page');
$this->logger->debug(esc_html__('The blog page was set', 'meto'), array( 'blog_page_id' => $blogpage ));
}
}
/**
* Before content import setup code.
*/
public function before_content_import_setup()
{
// Update the Hello World! post by making it a draft.
$hello_world = get_page_by_title('Hello World!', OBJECT, 'post');
if (! empty($hello_world)) {
$hello_world->post_status = 'draft';
wp_update_post($hello_world);
$this->logger->debug(esc_html__('The Hello world post status was set to draft', 'meto'));
}
}
/**
* Register the import files via the `merlin_import_files` filter.
*/
public function register_import_files()
{
$this->import_files = $this->validate_import_file_info(apply_filters('merlin_import_files', array()));
}
/**
* Filter through the array of import files and get rid of those who do not comply.
*
* @param array $import_files list of arrays with import file details.
* @return array list of filtered arrays.
*/
public function validate_import_file_info($import_files)
{
$filtered_import_file_info = array();
foreach ($import_files as $import_file) {
if (! empty($import_file['import_file_name'])) {
$filtered_import_file_info[] = $import_file;
} else {
$this->logger->warning(esc_html__('This predefined demo import does not have the name parameter: import_file_name', 'meto'), $import_file);
}
}
return $filtered_import_file_info;
}
/**
* Set the import file base name.
* Check if an existing base name is available (saved in a transient).
*/
public function set_import_file_base_name()
{
$existing_name = get_transient('merlin_import_file_base_name');
if (! empty($existing_name)) {
$this->import_file_base_name = $existing_name;
} else {
$this->import_file_base_name = date('Y-m-d__H-i-s');
}
set_transient('merlin_import_file_base_name', $this->import_file_base_name, MINUTE_IN_SECONDS);
}
/**
* Get the import file paths.
* Grab the defined local paths, download the files or reuse existing files.
*
* @param int $selected_import_index The index of the selected import.
*
* @return array
*/
public function get_import_files_paths($selected_import_index)
{
$selected_import_data = empty($this->import_files[ $selected_import_index ]) ? false : $this->import_files[ $selected_import_index ];
if (empty($selected_import_data)) {
return array();
}
// Set the base name for the import files.
$this->set_import_file_base_name();
$base_file_name = $this->import_file_base_name;
$import_files = array(
'content' => '',
'widgets' => '',
'options' => '',
'redux' => array(),
'sliders' => '',
);
$downloader = new Merlin_Downloader();
// Check if 'import_file_url' is not defined. That would mean a local file.
if (empty($selected_import_data['import_file_url'])) {
if (! empty($selected_import_data['local_import_file']) && file_exists($selected_import_data['local_import_file'])) {
$import_files['content'] = $selected_import_data['local_import_file'];
}
} else {
// Set the filename string for content import file.
$content_filename = 'content-' . $base_file_name . '.xml';
// Retrieve the content import file.
$import_files['content'] = $downloader->fetch_existing_file($content_filename);
// Download the file, if it's missing.
if (empty($import_files['content'])) {
$import_files['content'] = $downloader->download_file($selected_import_data['import_file_url'], $content_filename);
}
// Reset the variable, if there was an error.
if (is_wp_error($import_files['content'])) {
$import_files['content'] = '';
}
}
// Get widgets file as well. If defined!
if (! empty($selected_import_data['import_widget_file_url'])) {
// Set the filename string for widgets import file.
$widget_filename = 'widgets-' . $base_file_name . '.json';
// Retrieve the content import file.
$import_files['widgets'] = $downloader->fetch_existing_file($widget_filename);
// Download the file, if it's missing.
if (empty($import_files['widgets'])) {
$import_files['widgets'] = $downloader->download_file($selected_import_data['import_widget_file_url'], $widget_filename);
}
// Reset the variable, if there was an error.
if (is_wp_error($import_files['widgets'])) {
$import_files['widgets'] = '';
}
} elseif (! empty($selected_import_data['local_import_widget_file'])) {
if (file_exists($selected_import_data['local_import_widget_file'])) {
$import_files['widgets'] = $selected_import_data['local_import_widget_file'];
}
}
// Get customizer import file as well. If defined!
if (! empty($selected_import_data['import_customizer_file_url'])) {
// Setup filename path to save the customizer content.
$customizer_filename = 'options-' . $base_file_name . '.dat';
// Retrieve the content import file.
$import_files['options'] = $downloader->fetch_existing_file($customizer_filename);
// Download the file, if it's missing.
if (empty($import_files['options'])) {
$import_files['options'] = $downloader->download_file($selected_import_data['import_customizer_file_url'], $customizer_filename);
}
// Reset the variable, if there was an error.
if (is_wp_error($import_files['options'])) {
$import_files['options'] = '';
}
} elseif (! empty($selected_import_data['local_import_customizer_file'])) {
if (file_exists($selected_import_data['local_import_customizer_file'])) {
$import_files['options'] = $selected_import_data['local_import_customizer_file'];
}
}
// Get revolution slider import file as well. If defined!
if (! empty($selected_import_data['import_rev_slider_file_url'])) {
// Setup filename path to save the customizer content.
$rev_slider_filename = 'slider-' . $base_file_name . '.zip';
// Retrieve the content import file.
$import_files['sliders'] = $downloader->fetch_existing_file($rev_slider_filename);
// Download the file, if it's missing.
if (empty($import_files['sliders'])) {
$import_files['sliders'] = $downloader->download_file($selected_import_data['import_rev_slider_file_url'], $rev_slider_filename);
}
// Reset the variable, if there was an error.
if (is_wp_error($import_files['sliders'])) {
$import_files['sliders'] = '';
}
} elseif (! empty($selected_import_data['local_import_rev_slider_file'])) {
if (file_exists($selected_import_data['local_import_rev_slider_file'])) {
$import_files['sliders'] = $selected_import_data['local_import_rev_slider_file'];
}
}
// Get redux import file as well. If defined!
if (! empty($selected_import_data['import_redux'])) {
$redux_items = array();
// Setup filename paths to save the Redux content.
foreach ($selected_import_data['import_redux'] as $index => $redux_item) {
$redux_filename = 'redux-' . $index . '-' . $base_file_name . '.json';
// Retrieve the content import file.
$file_path = $downloader->fetch_existing_file($redux_filename);
// Download the file, if it's missing.
if (empty($file_path)) {
$file_path = $downloader->download_file($redux_item['file_url'], $redux_filename);
}
// Reset the variable, if there was an error.
if (is_wp_error($file_path)) {
$file_path = '';
}
$redux_items[] = array(
'option_name' => $redux_item['option_name'],
'file_path' => $file_path,
);
}
// Download the Redux import file.
$import_files['redux'] = $redux_items;
} elseif (! empty($selected_import_data['local_import_redux'])) {
$redux_items = array();
// Setup filename paths to save the Redux content.
foreach ($selected_import_data['local_import_redux'] as $redux_item) {
if (file_exists($redux_item['file_path'])) {
$redux_items[] = $redux_item;
}
}
// Download the Redux import file.
$import_files['redux'] = $redux_items;
}
return $import_files;
}
/**
* AJAX callback for the 'merlin_update_selected_import_data_info' action.
*/
public function update_selected_import_data_info()
{
$selected_index = ! isset($_POST['selected_index']) ? false : intval($_POST['selected_index']);
if (false === $selected_index) {
wp_send_json_error();
}
$import_info = $this->get_import_data_info($selected_index);
$import_info_html = $this->get_import_steps_html($import_info);
wp_send_json_success($import_info_html);
}
/**
* Get the import steps HTML output.
*
* @param array $import_info The import info to prepare the HTML for.
*
* @return string
*/
public function get_import_steps_html($import_info)
{
ob_start(); ?>
<?php foreach ($import_info as $slug => $available) : ?>
<?php
if (! $available) {
continue;
} ?>
<li class="merlin__drawer--import-content__list-item status status--Pending" data-content="<?php echo esc_attr($slug); ?>">
<input type="checkbox" name="default_content[<?php echo esc_attr($slug); ?>]" class="checkbox checkbox-<?php echo esc_attr($slug); ?>" id="default_content_<?php echo esc_attr($slug); ?>" value="1" checked>
<label for="default_content_<?php echo esc_attr($slug); ?>">
<i></i><span><?php echo esc_html(ucfirst(str_replace('_', ' ', $slug))); ?></span>
</label>
</li>
<?php endforeach; ?>
<?php
return ob_get_clean();
}
/**
* AJAX call for cleanup after the importing steps are done -> import finished.
*/
public function import_finished()
{
delete_transient('merlin_import_file_base_name');
wp_send_json_success();
}
}