| 1 |
<?php |
| 2 |
// If this file is called directly, abort. |
| 3 |
if (!defined('ABSPATH')) { |
| 4 |
exit; |
| 5 |
} |
| 6 |
|
| 7 |
/** |
| 8 |
* SEO Health Dashboard |
| 9 |
* |
| 10 |
* Provides a bird's-eye view of all posts/pages and their SEO completeness. |
| 11 |
* |
| 12 |
* @since 3.0.0 |
| 13 |
* @package Metasync |
| 14 |
* @subpackage Metasync/admin |
| 15 |
*/ |
| 16 |
class Metasync_SEO_Health |
| 17 |
{ |
| 18 |
/** @var self|null */ |
| 19 |
private static $instance = null; |
| 20 |
|
| 21 |
/** |
| 22 |
* Meta keys for cross-plugin SEO title detection. |
| 23 |
* Keys are meta_key, values are display source label (empty = MetaSync). |
| 24 |
*/ |
| 25 |
const TITLE_META_KEYS = array( |
| 26 |
'_metasync_metatitle' => '', |
| 27 |
'_metasync_otto_title' => 'OTTO', |
| 28 |
'_yoast_wpseo_title' => 'Yoast', |
| 29 |
'rank_math_title' => 'Rank Math', |
| 30 |
'_aioseo_title' => 'AIOSEO', |
| 31 |
'_metasync_og_title' => 'OG', |
| 32 |
); |
| 33 |
|
| 34 |
/** |
| 35 |
* Meta keys for cross-plugin SEO description detection. |
| 36 |
*/ |
| 37 |
const DESC_META_KEYS = array( |
| 38 |
'_metasync_metadesc' => '', |
| 39 |
'_metasync_otto_description' => 'OTTO', |
| 40 |
'_yoast_wpseo_metadesc' => 'Yoast', |
| 41 |
'rank_math_description' => 'Rank Math', |
| 42 |
'_aioseo_description' => 'AIOSEO', |
| 43 |
'meta_description' => '', |
| 44 |
'_metasync_og_description' => 'OG', |
| 45 |
); |
| 46 |
|
| 47 |
/** |
| 48 |
* Transient key for summary stats. |
| 49 |
* Versioned by a hash of the meta key constants — auto-invalidates when fallback chain changes. |
| 50 |
*/ |
| 51 |
const STATS_TRANSIENT_KEY = 'metasync_seo_health_stats'; |
| 52 |
|
| 53 |
/** |
| 54 |
* Get the versioned transient key. |
| 55 |
* Changes automatically whenever TITLE_META_KEYS or DESC_META_KEYS are modified. |
| 56 |
* |
| 57 |
* @return string |
| 58 |
*/ |
| 59 |
private static function get_stats_transient_key() |
| 60 |
{ |
| 61 |
$fingerprint = md5(serialize(self::TITLE_META_KEYS) . serialize(self::DESC_META_KEYS)); |
| 62 |
return self::STATS_TRANSIENT_KEY . '_' . substr($fingerprint, 0, 8); |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Builder/internal post types that should never appear in SEO Health. |
| 67 |
*/ |
| 68 |
private static $excluded_post_types = array( |
| 69 |
'elementor_library', |
| 70 |
'e-floating-buttons', |
| 71 |
'e-landing-page', |
| 72 |
'et_pb_layout', |
| 73 |
'et_header_layout', |
| 74 |
'et_body_layout', |
| 75 |
'et_footer_layout', |
| 76 |
'oxy_user_library', |
| 77 |
'ct_template', |
| 78 |
'wp_template', |
| 79 |
'wp_template_part', |
| 80 |
'wp_global_styles', |
| 81 |
'wp_navigation', |
| 82 |
'wp_block', |
| 83 |
'custom_css', |
| 84 |
'customize_changeset', |
| 85 |
'revision', |
| 86 |
'nav_menu_item', |
| 87 |
); |
| 88 |
|
| 89 |
/** |
| 90 |
* Get singleton instance. |
| 91 |
* |
| 92 |
* @return self |
| 93 |
*/ |
| 94 |
public static function get_instance() |
| 95 |
{ |
| 96 |
if (self::$instance === null) { |
| 97 |
self::$instance = new self(); |
| 98 |
} |
| 99 |
return self::$instance; |
| 100 |
} |
| 101 |
|
| 102 |
private function __construct() |
| 103 |
{ |
| 104 |
add_action('save_post', array($this, 'invalidate_cache')); |
| 105 |
} |
| 106 |
|
| 107 |
/** |
| 108 |
* Handle CSV export. Called from admin_init guard in class-metasync.php |
| 109 |
* — only when $_GET parameters already match. |
| 110 |
*/ |
| 111 |
public function handle_csv_export() |
| 112 |
{ |
| 113 |
if (!wp_verify_nonce($_GET['_wpnonce'], 'metasync_seo_health_export')) { |
| 114 |
wp_die(__('Security check failed.', 'metasync')); |
| 115 |
} |
| 116 |
|
| 117 |
if (!current_user_can('manage_options')) { |
| 118 |
wp_die(__('You do not have permission to export.', 'metasync')); |
| 119 |
} |
| 120 |
|
| 121 |
$this->export_csv(); |
| 122 |
} |
| 123 |
|
| 124 |
/** |
| 125 |
* Get supported post types including WooCommerce products and custom post types. |
| 126 |
* Excludes builder/internal post types (Elementor templates, Divi layouts, etc.). |
| 127 |
* |
| 128 |
* @return array |
| 129 |
*/ |
| 130 |
public static function get_supported_post_types() |
| 131 |
{ |
| 132 |
$post_types = array('post', 'page'); |
| 133 |
|
| 134 |
if (class_exists('WooCommerce')) { |
| 135 |
$post_types[] = 'product'; |
| 136 |
} |
| 137 |
|
| 138 |
$custom_types = get_post_types(array( |
| 139 |
'public' => true, |
| 140 |
'publicly_queryable' => true, |
| 141 |
'_builtin' => false, |
| 142 |
), 'names'); |
| 143 |
|
| 144 |
foreach ($custom_types as $cpt) { |
| 145 |
if ( |
| 146 |
!in_array($cpt, $post_types, true) && |
| 147 |
!in_array($cpt, self::$excluded_post_types, true) |
| 148 |
) { |
| 149 |
$post_types[] = $cpt; |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
return $post_types; |
| 154 |
} |
| 155 |
|
| 156 |
/** |
| 157 |
* Get the first non-empty SEO meta value across plugin fallbacks. |
| 158 |
* |
| 159 |
* @param int $post_id Post ID. |
| 160 |
* @param string $field Either 'title' or 'description'. |
| 161 |
* @return array Array with 'value' and 'source' keys. |
| 162 |
*/ |
| 163 |
public static function get_seo_meta_with_fallback($post_id, $field) |
| 164 |
{ |
| 165 |
$meta_keys = ($field === 'title') ? self::TITLE_META_KEYS : self::DESC_META_KEYS; |
| 166 |
|
| 167 |
foreach ($meta_keys as $meta_key => $source) { |
| 168 |
$value = get_post_meta($post_id, $meta_key, true); |
| 169 |
if (!empty($value)) { |
| 170 |
return array('value' => $value, 'source' => $source); |
| 171 |
} |
| 172 |
} |
| 173 |
|
| 174 |
return array('value' => '', 'source' => ''); |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* Check if a post has an OG image (MetaSync or featured image fallback). |
| 179 |
* |
| 180 |
* @param int $post_id Post ID. |
| 181 |
* @return bool |
| 182 |
*/ |
| 183 |
public static function has_og_image($post_id) |
| 184 |
{ |
| 185 |
$og_image = get_post_meta($post_id, '_metasync_og_image', true); |
| 186 |
if (!empty($og_image)) { |
| 187 |
return true; |
| 188 |
} |
| 189 |
return !empty(get_post_meta($post_id, '_thumbnail_id', true)); |
| 190 |
} |
| 191 |
|
| 192 |
/** |
| 193 |
* Check if a post has meaningful schema markup. |
| 194 |
* Treats empty arrays/objects as "no schema". |
| 195 |
* |
| 196 |
* @param int $post_id Post ID. |
| 197 |
* @return bool |
| 198 |
*/ |
| 199 |
public static function has_schema($post_id) |
| 200 |
{ |
| 201 |
$schema = get_post_meta($post_id, 'metasync_schema_markup', true); |
| 202 |
if (empty($schema)) { |
| 203 |
return false; |
| 204 |
} |
| 205 |
if (is_string($schema)) { |
| 206 |
$decoded = json_decode($schema, true); |
| 207 |
return is_array($decoded) && !empty($decoded); |
| 208 |
} |
| 209 |
if (is_array($schema)) { |
| 210 |
return !empty($schema); |
| 211 |
} |
| 212 |
return false; |
| 213 |
} |
| 214 |
|
| 215 |
/** |
| 216 |
* Calculate alt text coverage for images in post content. |
| 217 |
* |
| 218 |
* @param string $content Post content HTML. |
| 219 |
* @return array Array with 'total', 'with_alt', and 'percentage' keys. |
| 220 |
*/ |
| 221 |
public static function calculate_alt_text_coverage($content) |
| 222 |
{ |
| 223 |
$result = array('total' => 0, 'with_alt' => 0, 'percentage' => null); |
| 224 |
|
| 225 |
if (!preg_match_all('/<img[^>]*>/i', $content, $matches)) { |
| 226 |
return $result; |
| 227 |
} |
| 228 |
|
| 229 |
$result['total'] = count($matches[0]); |
| 230 |
foreach ($matches[0] as $img_tag) { |
| 231 |
if (preg_match('/alt\s*=\s*["\']([^"\']+)["\']/i', $img_tag, $alt_match)) { |
| 232 |
if (!empty(trim($alt_match[1]))) { |
| 233 |
$result['with_alt']++; |
| 234 |
} |
| 235 |
} |
| 236 |
} |
| 237 |
|
| 238 |
$result['percentage'] = $result['total'] > 0 |
| 239 |
? round(($result['with_alt'] / $result['total']) * 100) |
| 240 |
: 100; |
| 241 |
|
| 242 |
return $result; |
| 243 |
} |
| 244 |
|
| 245 |
/** |
| 246 |
* Render the SEO Health dashboard page. |
| 247 |
* Uses the 3-column sidebar layout (render_layout_open/close). |
| 248 |
*/ |
| 249 |
public function render_page() |
| 250 |
{ |
| 251 |
require_once plugin_dir_path(__FILE__) . 'class-metasync-seo-health-list-table.php'; |
| 252 |
|
| 253 |
$stats = $this->get_summary_stats(); |
| 254 |
$list_table = new Metasync_SEO_Health_List_Table(); |
| 255 |
$list_table->prepare_items(); |
| 256 |
|
| 257 |
$nav = Metasync_Admin_Navigation::instance(); |
| 258 |
$nav->render_layout_open( |
| 259 |
'SEO Health', |
| 260 |
'seo_health', |
| 261 |
__('Bird\'s-eye view of SEO completeness across all your content.', 'metasync') |
| 262 |
); |
| 263 |
?> |
| 264 |
|
| 265 |
<div class="metasync-seo-health-summary"> |
| 266 |
<?php |
| 267 |
$stat_cards = array( |
| 268 |
array('value' => $stats['total_posts'], 'label' => __('Total Posts', 'metasync'), 'type' => 'count'), |
| 269 |
array('value' => $stats['pct_seo_title'], 'label' => __('SEO Title Set', 'metasync'), 'type' => 'percent'), |
| 270 |
array('value' => $stats['pct_meta_description'], 'label' => __('Meta Description Set', 'metasync'), 'type' => 'percent'), |
| 271 |
array('value' => $stats['pct_schema'], 'label' => __('Schema Markup', 'metasync'), 'type' => 'percent'), |
| 272 |
array('value' => $stats['pct_og_image'], 'label' => __('OG Image Set', 'metasync'), 'type' => 'percent'), |
| 273 |
); |
| 274 |
foreach ($stat_cards as $card): |
| 275 |
$display = ($card['type'] === 'percent') ? $card['value'] . '%' : $card['value']; |
| 276 |
$color_class = 'stat-neutral'; |
| 277 |
if ($card['type'] === 'percent') { |
| 278 |
if ($card['value'] >= 80) { |
| 279 |
$color_class = 'stat-success'; |
| 280 |
} elseif ($card['value'] >= 50) { |
| 281 |
$color_class = 'stat-warning'; |
| 282 |
} else { |
| 283 |
$color_class = 'stat-error'; |
| 284 |
} |
| 285 |
} |
| 286 |
?> |
| 287 |
<div class="metasync-health-stat-card"> |
| 288 |
<div class="stat-value <?php echo $color_class; ?>"><?php echo esc_html($display); ?></div> |
| 289 |
<div class="stat-label"><?php echo esc_html($card['label']); ?></div> |
| 290 |
</div> |
| 291 |
<?php endforeach; ?> |
| 292 |
</div> |
| 293 |
|
| 294 |
<form method="get"> |
| 295 |
<input type="hidden" name="page" value="<?php echo esc_attr($_GET['page'] ?? ''); ?>" /> |
| 296 |
|
| 297 |
<div class="metasync-health-toolbar"> |
| 298 |
<a href="<?php echo esc_url(wp_nonce_url(add_query_arg('export', 'csv'), 'metasync_seo_health_export')); ?>" class="button button-secondary"> |
| 299 |
<?php esc_html_e('Export CSV', 'metasync'); ?> |
| 300 |
</a> |
| 301 |
<?php $list_table->search_box(__('Search Posts', 'metasync'), 'seo-health-search'); ?> |
| 302 |
</div> |
| 303 |
|
| 304 |
<?php $list_table->display(); ?> |
| 305 |
</form> |
| 306 |
|
| 307 |
<?php |
| 308 |
$nav->render_layout_close(); |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Get summary statistics, cached in a transient. |
| 313 |
* Uses WP_Query with meta_query for counting (no raw SQL). |
| 314 |
* Primes the meta cache in one batch to avoid N+1 lookups. |
| 315 |
* |
| 316 |
* @return array |
| 317 |
*/ |
| 318 |
public function get_summary_stats() |
| 319 |
{ |
| 320 |
$stats = get_transient(self::get_stats_transient_key()); |
| 321 |
|
| 322 |
if ($stats !== false) { |
| 323 |
return $stats; |
| 324 |
} |
| 325 |
|
| 326 |
$post_types = self::get_supported_post_types(); |
| 327 |
|
| 328 |
// Fetch all post IDs in one query |
| 329 |
$query = new WP_Query(array( |
| 330 |
'post_type' => $post_types, |
| 331 |
'post_status' => array('publish', 'draft'), |
| 332 |
'posts_per_page' => -1, |
| 333 |
'fields' => 'ids', |
| 334 |
'no_found_rows' => true, |
| 335 |
)); |
| 336 |
|
| 337 |
$post_ids = $query->posts; |
| 338 |
$total = count($post_ids); |
| 339 |
|
| 340 |
if ($total === 0) { |
| 341 |
$stats = array( |
| 342 |
'total_posts' => 0, |
| 343 |
'pct_seo_title' => 0, |
| 344 |
'pct_meta_description' => 0, |
| 345 |
'pct_schema' => 0, |
| 346 |
'pct_og_image' => 0, |
| 347 |
); |
| 348 |
set_transient(self::get_stats_transient_key(), $stats, 3600); |
| 349 |
return $stats; |
| 350 |
} |
| 351 |
|
| 352 |
// Prime meta cache in one DB call — all subsequent get_post_meta() are free |
| 353 |
update_meta_cache('post', $post_ids); |
| 354 |
|
| 355 |
$with_title = 0; |
| 356 |
$with_desc = 0; |
| 357 |
$with_schema = 0; |
| 358 |
$with_og_image = 0; |
| 359 |
|
| 360 |
foreach ($post_ids as $post_id) { |
| 361 |
if (!empty(self::get_seo_meta_with_fallback($post_id, 'title')['value'])) { |
| 362 |
$with_title++; |
| 363 |
} |
| 364 |
|
| 365 |
if (!empty(self::get_seo_meta_with_fallback($post_id, 'description')['value'])) { |
| 366 |
$with_desc++; |
| 367 |
} |
| 368 |
|
| 369 |
if (self::has_schema($post_id)) { |
| 370 |
$with_schema++; |
| 371 |
} |
| 372 |
|
| 373 |
if (self::has_og_image($post_id)) { |
| 374 |
$with_og_image++; |
| 375 |
} |
| 376 |
} |
| 377 |
|
| 378 |
$stats = array( |
| 379 |
'total_posts' => $total, |
| 380 |
'pct_seo_title' => round(($with_title / $total) * 100), |
| 381 |
'pct_meta_description' => round(($with_desc / $total) * 100), |
| 382 |
'pct_schema' => round(($with_schema / $total) * 100), |
| 383 |
'pct_og_image' => round(($with_og_image / $total) * 100), |
| 384 |
); |
| 385 |
|
| 386 |
set_transient(self::get_stats_transient_key(), $stats, 3600); |
| 387 |
|
| 388 |
return $stats; |
| 389 |
} |
| 390 |
|
| 391 |
/** |
| 392 |
* Invalidate the summary stats transient on post save. |
| 393 |
*/ |
| 394 |
public function invalidate_cache() |
| 395 |
{ |
| 396 |
delete_transient(self::get_stats_transient_key()); |
| 397 |
} |
| 398 |
|
| 399 |
/** |
| 400 |
* Export filtered results as CSV. |
| 401 |
*/ |
| 402 |
public function export_csv() |
| 403 |
{ |
| 404 |
require_once plugin_dir_path(__FILE__) . 'class-metasync-seo-health-list-table.php'; |
| 405 |
|
| 406 |
header('Content-Type: text/csv; charset=utf-8'); |
| 407 |
header('Content-Disposition: attachment; filename=seo-health-export.csv'); |
| 408 |
|
| 409 |
$output = fopen('php://output', 'w'); |
| 410 |
|
| 411 |
fputcsv($output, array( |
| 412 |
'Post ID', 'Title', 'Post Type', 'Status', |
| 413 |
'SEO Title', 'SEO Title Source', |
| 414 |
'Meta Description', 'Meta Description Source', |
| 415 |
'Has Schema', 'Has OG Image', |
| 416 |
'Alt Text Coverage %', 'Last Modified', |
| 417 |
)); |
| 418 |
|
| 419 |
$args = array( |
| 420 |
'post_type' => self::get_supported_post_types(), |
| 421 |
'post_status' => array('publish', 'draft'), |
| 422 |
'posts_per_page' => -1, |
| 423 |
); |
| 424 |
|
| 425 |
$post_type_filter = isset($_GET['post_type_filter']) ? sanitize_text_field($_GET['post_type_filter']) : ''; |
| 426 |
if (!empty($post_type_filter) && in_array($post_type_filter, self::get_supported_post_types(), true)) { |
| 427 |
$args['post_type'] = $post_type_filter; |
| 428 |
} |
| 429 |
|
| 430 |
$status_filter = isset($_GET['status_filter']) ? sanitize_text_field($_GET['status_filter']) : ''; |
| 431 |
if (!empty($status_filter) && in_array($status_filter, array('publish', 'draft'), true)) { |
| 432 |
$args['post_status'] = $status_filter; |
| 433 |
} |
| 434 |
|
| 435 |
$search = isset($_GET['s']) ? sanitize_text_field($_GET['s']) : ''; |
| 436 |
if (!empty($search)) { |
| 437 |
$args['s'] = $search; |
| 438 |
} |
| 439 |
|
| 440 |
$query = new WP_Query($args); |
| 441 |
|
| 442 |
foreach ($query->posts as $post) { |
| 443 |
$title_result = self::get_seo_meta_with_fallback($post->ID, 'title'); |
| 444 |
$desc_result = self::get_seo_meta_with_fallback($post->ID, 'description'); |
| 445 |
$alt = self::calculate_alt_text_coverage($post->post_content); |
| 446 |
|
| 447 |
fputcsv($output, array( |
| 448 |
$post->ID, |
| 449 |
$post->post_title, |
| 450 |
$post->post_type, |
| 451 |
$post->post_status, |
| 452 |
$title_result['value'], |
| 453 |
$title_result['source'], |
| 454 |
$desc_result['value'], |
| 455 |
$desc_result['source'], |
| 456 |
self::has_schema($post->ID) ? 'Yes' : 'No', |
| 457 |
self::has_og_image($post->ID) ? 'Yes' : 'No', |
| 458 |
$alt['percentage'] !== null ? $alt['percentage'] : 'N/A', |
| 459 |
get_the_modified_date('Y-m-d', $post), |
| 460 |
)); |
| 461 |
} |
| 462 |
|
| 463 |
fclose($output); |
| 464 |
exit; |
| 465 |
} |
| 466 |
} |
| 467 |
|