<?php
/**
* WP ALLSTARS Theme Manager
*
* Manages the Theme tab functionality including:
* - Theme data retrieval and caching
* - AJAX handlers for theme browsing
* - Theme activation and installation
* - Theme UI rendering
*
* @package WP_ALLSTARS
* @since 0.2.0
*/
// If this file is called directly, abort.
if (!defined('WPINC')) {
die;
}
/**
* WP_Allstars_Theme_Manager class
*
* Provides theme discovery and management functionality
*/
class WP_Allstars_Theme_Manager {
/**
* Initialize the class and register all action hooks
*
* @return void
*/
public static function init() {
// Register AJAX handlers for theme operations
add_action('wp_ajax_wp_allstars_get_themes', array(self::class, 'ajax_get_themes'));
add_action('wp_ajax_wp_allstars_activate_theme', array(self::class, 'activate_theme'));
// Register hooks for automatic cache clearing when themes change
add_action('upgrader_process_complete', array(self::class, 'clear_theme_cache'), 10, 0);
add_action('switch_theme', array(self::class, 'clear_theme_cache'));
// Enqueue theme-specific assets when needed
add_action('admin_enqueue_scripts', array(self::class, 'enqueue_scripts'));
}
/**
* Enqueue scripts and styles for the theme tab
*
* Loads necessary WordPress core scripts and stylesheets
* required for theme browsing and installation.
*
* @param string $hook The current admin page hook
* @return void
*/
public static function enqueue_scripts($hook) {
// Only load on plugin pages
if (strpos($hook, 'wp-allstars') === false) {
return;
}
// Only load when theme tab is active
if (!isset($_GET['tab']) || $_GET['tab'] !== 'theme') {
return;
}
// Load WordPress core theme functionality
require_once ABSPATH . 'wp-admin/includes/theme.php';
// Enqueue core WordPress scripts for theme operations
wp_enqueue_script('theme-install');
wp_enqueue_script('updates');
add_thickbox();
// Enqueue theme tab specific styles
wp_enqueue_style(
'wp-allstars-admin',
plugins_url('css/wp-allstars-admin.css', dirname(__FILE__)),
array(),
WP_ALLSTARS_VERSION
);
wp_enqueue_style('wp-allstars-plugins', plugins_url('css/wp-allstars-plugins.css', dirname(__FILE__)));
// Enqueue the main admin script before adding inline script
wp_enqueue_script('wp-allstars-admin', plugins_url('js/wp-allstars-admin.js', dirname(__FILE__)), array('jquery'), '1.0.0', true);
// Localize the script with nonce data
wp_localize_script('wp-allstars-admin', 'wpAllstars', array(
'nonce' => wp_create_nonce('wp-allstars-nonce'),
'ajaxurl' => admin_url('admin-ajax.php')
));
// Add inline script for theme loading and interaction
wp_add_inline_script('wp-allstars-admin', self::get_theme_scripts());
}
/**
* Get theme scripts for inline inclusion
*/
private static function get_theme_scripts() {
return '
jQuery(document).ready(function($) {
if ($("#wpa-theme-list").length) {
var $container = $("#wpa-theme-list");
var $loadingOverlay = $container.find(".wp-allstars-loading-overlay");
// AJAX request to get themes
$.ajax({
url: wpAllstars.ajaxurl,
type: "POST",
data: {
action: "wp_allstars_get_themes",
_wpnonce: wpAllstars.nonce
},
success: function(response) {
$loadingOverlay.remove();
if (response.success) {
$container.html(response.data);
// Initialize theme handlers - use the global function from admin.js
if (typeof window.initThemeHandlers === "function") {
window.initThemeHandlers();
}
} else {
$container.html("<div class=\"notice notice-error\"><p>" + response.data + "</p></div>");
}
},
error: function(xhr, status, error) {
$loadingOverlay.remove();
$container.html("<div class=\"notice notice-error\"><p>Failed to load themes. Please try again. Error: " + error + "</p></div>");
console.error("AJAX Error:", xhr.responseText);
}
});
}
});
';
}
/**
* Display the theme tab content
*/
public static function display_tab_content() {
?>
<div class="wp-allstars-settings-content tab-content" id="theme">
<div id="wpa-theme-list" class="wpa-theme-container">
<!-- Theme content will be loaded via AJAX -->
<div class="wp-allstars-loading-overlay">
<span class="spinner is-active"></span>
<p>Loading theme data...</p>
</div>
</div>
</div>
<?php
}
/**
* Get cached theme
*/
public static function get_cached_theme() {
$cache_key = 'wp_allstars_theme_kadence';
return get_transient($cache_key);
}
/**
* Set cached theme
*/
public static function set_cached_theme($data) {
$cache_key = 'wp_allstars_theme_kadence';
set_transient($cache_key, $data, 12 * HOUR_IN_SECONDS);
}
/**
* Clear theme cache
*/
public static function clear_theme_cache() {
delete_transient('wp_allstars_theme_kadence');
}
/**
* AJAX endpoint for getting themes
*/
public static function ajax_get_themes() {
error_log('WP ALLSTARS: Theme AJAX handler started');
// Check nonce with the correct action name
if (!isset($_POST['_wpnonce'])) {
error_log('WP ALLSTARS: No nonce provided');
wp_send_json_error('No security token provided.');
return;
}
// Use verify_nonce instead of check_ajax_referer for more reliable verification
if (!wp_verify_nonce($_POST['_wpnonce'], 'wp-allstars-nonce')) {
error_log('WP ALLSTARS: Invalid nonce: ' . sanitize_text_field($_POST['_wpnonce']));
wp_send_json_error('Invalid security token sent.');
return;
}
if (!current_user_can('install_themes')) {
error_log('WP ALLSTARS: User does not have permission to install themes');
wp_send_json_error('Permission denied');
return;
}
error_log('WP ALLSTARS: Starting theme fetch process');
try {
error_log('WP ALLSTARS: Fetching theme data for kadence');
// Check if we have cached data first
$theme_data = self::get_cached_theme();
// If no cached data, fetch from API
if (empty($theme_data)) {
error_log('WP ALLSTARS: No cached theme data, fetching from API');
// Get theme data with minimal fields
$theme_data = themes_api('theme_information', array(
'slug' => 'kadence',
'fields' => array(
'sections' => false,
'description' => true,
'rating' => true,
'ratings' => false,
'downloaded' => true,
'download_link' => true,
'last_updated' => true,
'homepage' => true,
'tags' => false,
'screenshot_url' => true,
'version' => true,
'requires' => true,
'requires_php' => true,
'active_installs' => true,
'author' => true,
'preview_url' => true,
)
));
// Cache the result if successful
if (!is_wp_error($theme_data)) {
self::set_cached_theme($theme_data);
}
} else {
error_log('WP ALLSTARS: Using cached theme data');
}
if (is_wp_error($theme_data)) {
error_log('WP ALLSTARS Theme API Error: ' . $theme_data->get_error_message());
wp_send_json_error('Theme API Error: ' . $theme_data->get_error_message());
return;
}
error_log('WP ALLSTARS: Successfully fetched theme data');
// Format author data
$author = '';
if (is_string($theme_data->author)) {
$author = $theme_data->author;
} elseif (is_array($theme_data->author)) {
$author = isset($theme_data->author['display_name']) ? $theme_data->author['display_name'] : '';
}
error_log('WP ALLSTARS: Theme data retrieved, generating HTML');
// Generate custom HTML for the theme using our template partial
ob_start();
include(plugin_dir_path(dirname(__FILE__)) . 'partials/theme-panel.php');
$html = ob_get_clean();
if (empty($html)) {
error_log('WP ALLSTARS: Empty HTML generated');
wp_send_json_error('Failed to generate theme display');
return;
}
error_log('WP ALLSTARS: Successfully generated theme display, HTML length: ' . strlen($html));
wp_send_json_success($html);
exit; // Ensure we exit after sending the JSON response
} catch (Exception $e) {
error_log('WP ALLSTARS Theme loading exception: ' . $e->getMessage());
error_log('WP ALLSTARS Theme loading exception trace: ' . $e->getTraceAsString());
wp_send_json_error('Theme loading error: ' . $e->getMessage());
} catch (Error $e) {
error_log('WP ALLSTARS Theme loading error: ' . $e->getMessage());
error_log('WP ALLSTARS Theme loading error trace: ' . $e->getTraceAsString());
wp_send_json_error('Theme loading error: ' . $e->getMessage());
}
}
/**
* AJAX handler for theme activation
*/
public static function activate_theme() {
// Debug information
error_log('Theme activation AJAX request received: ' . print_r($_POST, true));
// Check nonce with the correct action name
if (!check_ajax_referer('wp-allstars-nonce', '_wpnonce', false)) {
error_log('Theme activation failed: Invalid nonce');
wp_send_json_error('Invalid security token sent.');
return;
}
if (!current_user_can('switch_themes')) {
error_log('Theme activation failed: Permission denied');
wp_send_json_error('Permission denied');
return;
}
$theme = isset($_POST['theme']) ? sanitize_text_field($_POST['theme']) : '';
if (empty($theme)) {
error_log('Theme activation failed: No theme specified');
wp_send_json_error('No theme specified');
return;
}
// Get the theme object
$theme_obj = wp_get_theme($theme);
if (!$theme_obj->exists()) {
error_log('Theme activation failed: Theme does not exist - ' . $theme);
wp_send_json_error('Theme does not exist');
return;
}
// Set the new theme
switch_theme($theme);
error_log('Theme activation success - ' . $theme);
wp_send_json_success();
}
}