| 1 |
<?php |
| 2 |
/** |
| 3 |
* Image Optimizer extension. |
| 4 |
* |
| 5 |
* Unlimited Image Optimizer - Browser-based image conversion to WebP (Canvas API). |
| 6 |
* |
| 7 |
* @package King_Addons |
| 8 |
*/ |
| 9 |
|
| 10 |
namespace King_Addons\Image_Optimizer; |
| 11 |
|
| 12 |
if (!defined('ABSPATH')) { |
| 13 |
exit; |
| 14 |
} |
| 15 |
|
| 16 |
require_once __DIR__ . '/Image_Optimizer_DB.php'; |
| 17 |
require_once __DIR__ . '/Image_Optimizer_Ajax.php'; |
| 18 |
|
| 19 |
class Image_Optimizer |
| 20 |
{ |
| 21 |
private const OPTION_NAME = 'king_addons_image_optimizer_settings'; |
| 22 |
private const META_KEY = '_king_img_optimized'; |
| 23 |
|
| 24 |
private const FREE_MONTHLY_OPTIMIZATION_LIMIT = 200; |
| 25 |
private const FREE_QUOTA_OPTION = 'king_addons_img_opt_free_quota'; |
| 26 |
|
| 27 |
private static ?Image_Optimizer $instance = null; |
| 28 |
|
| 29 |
/** |
| 30 |
* Cached settings. |
| 31 |
* |
| 32 |
* @var array<string, mixed> |
| 33 |
*/ |
| 34 |
private array $settings = []; |
| 35 |
|
| 36 |
public static function instance(): Image_Optimizer |
| 37 |
{ |
| 38 |
if (self::$instance === null) { |
| 39 |
self::$instance = new self(); |
| 40 |
} |
| 41 |
|
| 42 |
return self::$instance; |
| 43 |
} |
| 44 |
|
| 45 |
private function __construct() |
| 46 |
{ |
| 47 |
$this->settings = $this->get_settings(); |
| 48 |
|
| 49 |
add_action('admin_menu', [$this, 'register_admin_menu']); |
| 50 |
add_action('admin_init', [$this, 'register_settings']); |
| 51 |
add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_assets']); |
| 52 |
|
| 53 |
// Initialize AJAX handlers |
| 54 |
Image_Optimizer_Ajax::instance(); |
| 55 |
|
| 56 |
// Add media library column |
| 57 |
add_filter('manage_media_columns', [$this, 'add_media_column']); |
| 58 |
add_action('manage_media_custom_column', [$this, 'render_media_column'], 10, 2); |
| 59 |
|
| 60 |
// Add attachment meta box |
| 61 |
add_action('add_meta_boxes_attachment', [$this, 'add_attachment_metabox']); |
| 62 |
|
| 63 |
// Attachment Details panel (upload.php?item=ID) + Media modal |
| 64 |
add_filter('attachment_fields_to_edit', [$this, 'add_attachment_details_fields'], 10, 2); |
| 65 |
|
| 66 |
// Clean up WebP files when attachment is deleted |
| 67 |
add_action('delete_attachment', [$this, 'cleanup_on_delete']); |
| 68 |
} |
| 69 |
|
| 70 |
/** |
| 71 |
* Add Image Optimizer details to the Attachment Details screen and media modal. |
| 72 |
* |
| 73 |
* @param array $form_fields |
| 74 |
* @param \WP_Post $post |
| 75 |
* @return array |
| 76 |
*/ |
| 77 |
public function add_attachment_details_fields(array $form_fields, \WP_Post $post): array |
| 78 |
{ |
| 79 |
if (!wp_attachment_is_image($post->ID)) { |
| 80 |
return $form_fields; |
| 81 |
} |
| 82 |
|
| 83 |
$form_fields['king_img_optimizer'] = [ |
| 84 |
'label' => esc_html__('Image Optimizer', 'king-addons'), |
| 85 |
'input' => 'html', |
| 86 |
'html' => $this->get_attachment_optimizer_card_html((int) $post->ID), |
| 87 |
]; |
| 88 |
|
| 89 |
return $form_fields; |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Build the "King Image Optimizer" card HTML for Attachment Details / media modal. |
| 94 |
*/ |
| 95 |
public function get_attachment_optimizer_card_html(int $attachment_id): string |
| 96 |
{ |
| 97 |
if (!wp_attachment_is_image($attachment_id)) { |
| 98 |
return ''; |
| 99 |
} |
| 100 |
|
| 101 |
$file = get_attached_file($attachment_id); |
| 102 |
$original_bytes_current = (!empty($file) && is_string($file) && file_exists($file)) ? (int) filesize($file) : 0; |
| 103 |
|
| 104 |
$meta = Image_Optimizer_DB::get_optimization_meta($attachment_id) ?: []; |
| 105 |
$is_optimized = (($meta['status'] ?? '') === 'optimized'); |
| 106 |
|
| 107 |
$original_bytes = $original_bytes_current; |
| 108 |
$optimized_bytes = 0; |
| 109 |
$saved_bytes = 0; |
| 110 |
$saved_percent = 0; |
| 111 |
|
| 112 |
if ($is_optimized) { |
| 113 |
$full = is_array($meta['sizes']['full'] ?? null) ? $meta['sizes']['full'] : []; |
| 114 |
$original_path = $full['original_path'] ?? ''; |
| 115 |
$optimized_path = $full['optimized_path'] ?? ($full['webp_path'] ?? ''); |
| 116 |
|
| 117 |
if (!empty($original_path) && is_string($original_path) && file_exists($original_path)) { |
| 118 |
$original_bytes = (int) filesize($original_path); |
| 119 |
} else { |
| 120 |
$original_bytes = (int) ($full['original_size'] ?? ($meta['total_original_bytes'] ?? $original_bytes)); |
| 121 |
} |
| 122 |
|
| 123 |
if (!empty($optimized_path) && is_string($optimized_path) && file_exists($optimized_path)) { |
| 124 |
$optimized_bytes = (int) filesize($optimized_path); |
| 125 |
} else { |
| 126 |
$optimized_bytes = (int) ($full['optimized_size'] ?? ($meta['total_optimized_bytes'] ?? 0)); |
| 127 |
} |
| 128 |
|
| 129 |
$saved_bytes = max(0, $original_bytes - $optimized_bytes); |
| 130 |
$saved_percent = $original_bytes > 0 ? round(($saved_bytes / $original_bytes) * 100, 1) : 0; |
| 131 |
} |
| 132 |
|
| 133 |
$btn_label = $is_optimized |
| 134 |
? esc_html__('Restore Original', 'king-addons') |
| 135 |
: esc_html__('Optimize Image', 'king-addons'); |
| 136 |
|
| 137 |
$btn_class = $is_optimized ? 'button' : 'button button-primary'; |
| 138 |
$btn_action = $is_optimized ? 'restore' : 'convert'; |
| 139 |
|
| 140 |
$status_badge = $is_optimized |
| 141 |
? '<span class="king-img-attach-badge king-img-attach-badge--optimized">' . esc_html__('Optimized', 'king-addons') . '</span>' |
| 142 |
: '<span class="king-img-attach-badge king-img-attach-badge--pending">' . esc_html__('Not optimized', 'king-addons') . '</span>'; |
| 143 |
|
| 144 |
$rows_html = ''; |
| 145 |
$rows_html .= '<div class="king-img-attach-row"><span class="king-img-attach-k">' . esc_html__('Original', 'king-addons') . '</span><span class="king-img-attach-v">' . esc_html(self::format_bytes($original_bytes)) . '</span></div>'; |
| 146 |
|
| 147 |
if ($is_optimized) { |
| 148 |
$rows_html .= '<div class="king-img-attach-row"><span class="king-img-attach-k">' . esc_html__('Optimized', 'king-addons') . '</span><span class="king-img-attach-v">' . esc_html(self::format_bytes($optimized_bytes)) . '</span></div>'; |
| 149 |
$rows_html .= '<div class="king-img-attach-row"><span class="king-img-attach-k">' . esc_html__('Saved', 'king-addons') . '</span><span class="king-img-attach-v king-img-attach-v--good">' . esc_html(self::format_bytes($saved_bytes)) . ' (' . esc_html($saved_percent) . '%)</span></div>'; |
| 150 |
} |
| 151 |
|
| 152 |
$html = ''; |
| 153 |
$html .= '<div class="king-img-attach-card" data-king-img-attachment-id="' . esc_attr((string) $attachment_id) . '" data-king-img-status="' . esc_attr($is_optimized ? 'optimized' : 'pending') . '">'; |
| 154 |
$html .= '<div class="king-img-attach-head">'; |
| 155 |
$html .= '<div class="king-img-attach-title">' . esc_html__('King Image Optimizer', 'king-addons') . '</div>'; |
| 156 |
$html .= '<div class="king-img-attach-badges">' . $status_badge . '</div>'; |
| 157 |
$html .= '</div>'; |
| 158 |
$html .= '<div class="king-img-attach-body">' . $rows_html . '</div>'; |
| 159 |
$html .= '<div class="king-img-attach-actions">'; |
| 160 |
$html .= '<button type="button" class="' . esc_attr($btn_class) . ' king-img-attachment-action" data-king-img-action="' . esc_attr($btn_action) . '">' . esc_html($btn_label) . '</button>'; |
| 161 |
$html .= '<span class="spinner king-img-attach-spinner" style="float:none;"></span>'; |
| 162 |
$html .= '<span class="king-img-attach-msg" aria-live="polite"></span>'; |
| 163 |
$html .= '</div>'; |
| 164 |
$html .= '</div>'; |
| 165 |
|
| 166 |
return $html; |
| 167 |
} |
| 168 |
|
| 169 |
/** |
| 170 |
* Check if Pro version is available. |
| 171 |
*/ |
| 172 |
public function is_pro(): bool |
| 173 |
{ |
| 174 |
// If the PRO plugin is active, it defines these constants. |
| 175 |
if (defined('KING_ADDONS_PRO_PATH') || defined('KING_ADDONS_PRO_VERSION')) { |
| 176 |
return true; |
| 177 |
} |
| 178 |
|
| 179 |
// License-based check (Freemius). |
| 180 |
if (function_exists('king_addons_freemius')) { |
| 181 |
$fs = king_addons_freemius(); |
| 182 |
if (is_object($fs) && method_exists($fs, 'can_use_premium_code__premium_only')) { |
| 183 |
return (bool) $fs->can_use_premium_code__premium_only(); |
| 184 |
} |
| 185 |
} |
| 186 |
|
| 187 |
// Backward-compatible helper. |
| 188 |
return function_exists('king_addons_can_use_pro') && king_addons_can_use_pro(); |
| 189 |
} |
| 190 |
|
| 191 |
/** |
| 192 |
* Get monthly free quota state. |
| 193 |
* |
| 194 |
* @return array{limit:int, used:int, remaining:int, month_key:string} |
| 195 |
*/ |
| 196 |
public function get_free_quota_state(): array |
| 197 |
{ |
| 198 |
$limit = (int) self::FREE_MONTHLY_OPTIMIZATION_LIMIT; |
| 199 |
$month_key = wp_date('Y-m', (int) current_time('timestamp')); |
| 200 |
|
| 201 |
$stored = get_option(self::FREE_QUOTA_OPTION, []); |
| 202 |
$stored = is_array($stored) ? $stored : []; |
| 203 |
$stored_month = (string) ($stored['month_key'] ?? ''); |
| 204 |
$used = (int) ($stored['used'] ?? 0); |
| 205 |
|
| 206 |
if ($stored_month !== $month_key || $used < 0) { |
| 207 |
$used = 0; |
| 208 |
update_option(self::FREE_QUOTA_OPTION, [ |
| 209 |
'month_key' => $month_key, |
| 210 |
'used' => 0, |
| 211 |
]); |
| 212 |
} |
| 213 |
|
| 214 |
$remaining = max(0, $limit - $used); |
| 215 |
|
| 216 |
return [ |
| 217 |
'limit' => $limit, |
| 218 |
'used' => $used, |
| 219 |
'remaining' => $remaining, |
| 220 |
'month_key' => $month_key, |
| 221 |
]; |
| 222 |
} |
| 223 |
|
| 224 |
/** |
| 225 |
* Consume free quota. |
| 226 |
* |
| 227 |
* @return array{limit:int, used:int, remaining:int, month_key:string} |
| 228 |
*/ |
| 229 |
public function consume_free_quota(int $amount = 1): array |
| 230 |
{ |
| 231 |
$amount = max(0, (int) $amount); |
| 232 |
if ($amount === 0) { |
| 233 |
return $this->get_free_quota_state(); |
| 234 |
} |
| 235 |
|
| 236 |
$state = $this->get_free_quota_state(); |
| 237 |
$new_used = (int) $state['used'] + $amount; |
| 238 |
|
| 239 |
update_option(self::FREE_QUOTA_OPTION, [ |
| 240 |
'month_key' => (string) $state['month_key'], |
| 241 |
'used' => $new_used, |
| 242 |
]); |
| 243 |
|
| 244 |
return $this->get_free_quota_state(); |
| 245 |
} |
| 246 |
|
| 247 |
/** |
| 248 |
* Upgrade URL used across the plugin. |
| 249 |
*/ |
| 250 |
public function get_upgrade_url(string $source = 'kng-img-optimizer'): string |
| 251 |
{ |
| 252 |
$source = sanitize_key($source); |
| 253 |
return 'https://kingaddons.com/pricing/?utm_source=' . rawurlencode($source) . '&utm_medium=wp-admin&utm_campaign=kng'; |
| 254 |
} |
| 255 |
|
| 256 |
/** |
| 257 |
* Get default settings. |
| 258 |
*/ |
| 259 |
public function get_default_settings(): array |
| 260 |
{ |
| 261 |
return [ |
| 262 |
'quality' => 82, |
| 263 |
'auto_replace_urls' => true, |
| 264 |
'auto_optimize_uploads' => false, |
| 265 |
'skip_small' => false, |
| 266 |
'min_size' => 10240, // 10KB |
| 267 |
'resize_enabled' => true, |
| 268 |
'max_width' => 2048, |
| 269 |
'create_backups' => true, |
| 270 |
]; |
| 271 |
} |
| 272 |
|
| 273 |
/** |
| 274 |
* Get current settings. |
| 275 |
*/ |
| 276 |
public function get_settings(): array |
| 277 |
{ |
| 278 |
$saved = get_option(self::OPTION_NAME, []); |
| 279 |
return wp_parse_args($saved, $this->get_default_settings()); |
| 280 |
} |
| 281 |
|
| 282 |
/** |
| 283 |
* Save settings. |
| 284 |
*/ |
| 285 |
public function save_settings(array $settings): bool |
| 286 |
{ |
| 287 |
$sanitized = [ |
| 288 |
'quality' => max(1, min(100, absint($settings['quality'] ?? 82))), |
| 289 |
'auto_replace_urls' => !empty($settings['auto_replace_urls']), |
| 290 |
'auto_optimize_uploads' => $this->is_pro() && !empty($settings['auto_optimize_uploads']), |
| 291 |
'skip_small' => !empty($settings['skip_small']), |
| 292 |
'min_size' => absint($settings['min_size'] ?? 10240), |
| 293 |
'resize_enabled' => !empty($settings['resize_enabled']), |
| 294 |
'max_width' => max(100, min(5000, absint($settings['max_width'] ?? 2048))), |
| 295 |
'create_backups' => !empty($settings['create_backups']), |
| 296 |
]; |
| 297 |
|
| 298 |
$this->settings = $sanitized; |
| 299 |
return update_option(self::OPTION_NAME, $sanitized); |
| 300 |
} |
| 301 |
|
| 302 |
/** |
| 303 |
* Register admin menu. |
| 304 |
*/ |
| 305 |
public function register_admin_menu(): void |
| 306 |
{ |
| 307 |
add_submenu_page( |
| 308 |
'king-addons', |
| 309 |
esc_html__('Image Optimizer', 'king-addons'), |
| 310 |
esc_html__('Image Optimizer', 'king-addons'), |
| 311 |
'manage_options', |
| 312 |
'king-addons-image-optimizer', |
| 313 |
[$this, 'render_admin_page'] |
| 314 |
); |
| 315 |
} |
| 316 |
|
| 317 |
/** |
| 318 |
* Register settings. |
| 319 |
*/ |
| 320 |
public function register_settings(): void |
| 321 |
{ |
| 322 |
register_setting('king_addons_image_optimizer', self::OPTION_NAME, [ |
| 323 |
'type' => 'array', |
| 324 |
'sanitize_callback' => [$this, 'sanitize_settings'], |
| 325 |
]); |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Sanitize settings callback. |
| 330 |
*/ |
| 331 |
public function sanitize_settings($input): array |
| 332 |
{ |
| 333 |
return [ |
| 334 |
'quality' => max(1, min(100, absint($input['quality'] ?? 82))), |
| 335 |
'auto_replace_urls' => !empty($input['auto_replace_urls']), |
| 336 |
'auto_optimize_uploads' => !empty($input['auto_optimize_uploads']), |
| 337 |
'skip_small' => !empty($input['skip_small']), |
| 338 |
'min_size' => absint($input['min_size'] ?? 10240), |
| 339 |
'resize_enabled' => !empty($input['resize_enabled']), |
| 340 |
'max_width' => max(100, min(5000, absint($input['max_width'] ?? 2048))), |
| 341 |
'create_backups' => !empty($input['create_backups']), |
| 342 |
]; |
| 343 |
} |
| 344 |
|
| 345 |
/** |
| 346 |
* Enqueue admin assets. |
| 347 |
*/ |
| 348 |
public function enqueue_admin_assets(string $hook): void |
| 349 |
{ |
| 350 |
$assets_url = KING_ADDONS_URL . 'includes/extensions/Image_Optimizer/assets/'; |
| 351 |
$assets_path = KING_ADDONS_PATH . 'includes/extensions/Image_Optimizer/assets/'; |
| 352 |
|
| 353 |
$screen = function_exists('get_current_screen') ? get_current_screen() : null; |
| 354 |
$is_optimizer_page = ($hook === 'king-addons_page_king-addons-image-optimizer'); |
| 355 |
$is_media_library = ($hook === 'upload.php'); |
| 356 |
$is_attachment_edit = ( |
| 357 |
($hook === 'post.php' || $hook === 'post-new.php') |
| 358 |
&& $screen |
| 359 |
&& ($screen->post_type ?? '') === 'attachment' |
| 360 |
); |
| 361 |
|
| 362 |
$can_use_media = current_user_can('upload_files'); |
| 363 |
|
| 364 |
// Attachment Details / media modal additions |
| 365 |
if ($can_use_media) { |
| 366 |
wp_enqueue_style( |
| 367 |
'king-addons-image-optimizer-attachment-details', |
| 368 |
$assets_url . 'attachment-details.css', |
| 369 |
[], |
| 370 |
file_exists($assets_path . 'attachment-details.css') ? filemtime($assets_path . 'attachment-details.css') : KING_ADDONS_VERSION |
| 371 |
); |
| 372 |
|
| 373 |
wp_enqueue_script( |
| 374 |
'king-addons-image-optimizer-attachment-details', |
| 375 |
$assets_url . 'attachment-details.js', |
| 376 |
['jquery'], |
| 377 |
file_exists($assets_path . 'attachment-details.js') ? filemtime($assets_path . 'attachment-details.js') : KING_ADDONS_VERSION, |
| 378 |
true |
| 379 |
); |
| 380 |
|
| 381 |
wp_localize_script('king-addons-image-optimizer-attachment-details', 'kingImageOptimizerAttachment', [ |
| 382 |
'ajaxUrl' => admin_url('admin-ajax.php'), |
| 383 |
'nonce' => wp_create_nonce('king_img_optimizer_nonce'), |
| 384 |
'settings' => $this->settings, |
| 385 |
'isPro' => $this->is_pro(), |
| 386 |
'quota' => $this->get_free_quota_state(), |
| 387 |
'upgradeUrl' => $this->get_upgrade_url('kng-img-optimizer'), |
| 388 |
'strings' => [ |
| 389 |
'fetching' => esc_html__('Fetching image data...', 'king-addons'), |
| 390 |
'converting' => esc_html__('Converting to WebP...', 'king-addons'), |
| 391 |
'restoring' => esc_html__('Restoring original...', 'king-addons'), |
| 392 |
'optimized' => esc_html__('Optimized', 'king-addons'), |
| 393 |
'restored' => esc_html__('Restored', 'king-addons'), |
| 394 |
'skipped' => esc_html__('Skipped (too small)', 'king-addons'), |
| 395 |
'doneReload' => esc_html__('Done. Reloading...', 'king-addons'), |
| 396 |
'confirmRestore' => esc_html__('Restore original and delete optimized files?', 'king-addons'), |
| 397 |
'errorPrefix' => esc_html__('Error: ', 'king-addons'), |
| 398 |
'quotaExceeded' => esc_html__('Free plan limit reached (200 optimizations/month). Upgrade to Unlimited to continue.', 'king-addons'), |
| 399 |
], |
| 400 |
]); |
| 401 |
} |
| 402 |
|
| 403 |
// Only load the full optimizer UI assets on our admin page |
| 404 |
if (!$is_optimizer_page) { |
| 405 |
return; |
| 406 |
} |
| 407 |
|
| 408 |
// Admin styles |
| 409 |
wp_enqueue_style( |
| 410 |
'king-addons-image-optimizer', |
| 411 |
$assets_url . 'admin.css', |
| 412 |
[], |
| 413 |
file_exists($assets_path . 'admin.css') ? filemtime($assets_path . 'admin.css') : KING_ADDONS_VERSION |
| 414 |
); |
| 415 |
|
| 416 |
// Shared V3 styles |
| 417 |
wp_enqueue_style( |
| 418 |
'king-addons-admin-v3', |
| 419 |
KING_ADDONS_URL . 'includes/admin/layouts/shared/admin-v3-styles.css', |
| 420 |
[], |
| 421 |
KING_ADDONS_VERSION |
| 422 |
); |
| 423 |
|
| 424 |
// Optimizer script |
| 425 |
wp_enqueue_script( |
| 426 |
'king-addons-image-optimizer', |
| 427 |
$assets_url . 'optimizer.js', |
| 428 |
['jquery'], |
| 429 |
file_exists($assets_path . 'optimizer.js') ? filemtime($assets_path . 'optimizer.js') : KING_ADDONS_VERSION, |
| 430 |
true |
| 431 |
); |
| 432 |
|
| 433 |
// Bulk optimizer script |
| 434 |
wp_enqueue_script( |
| 435 |
'king-addons-bulk-optimizer', |
| 436 |
$assets_url . 'bulk-optimizer.js', |
| 437 |
['jquery', 'king-addons-image-optimizer'], |
| 438 |
file_exists($assets_path . 'bulk-optimizer.js') ? filemtime($assets_path . 'bulk-optimizer.js') : KING_ADDONS_VERSION, |
| 439 |
true |
| 440 |
); |
| 441 |
|
| 442 |
// Localize script |
| 443 |
wp_localize_script('king-addons-image-optimizer', 'kingImageOptimizer', [ |
| 444 |
'ajaxUrl' => admin_url('admin-ajax.php'), |
| 445 |
'nonce' => wp_create_nonce('king_img_optimizer_nonce'), |
| 446 |
'settings' => $this->settings, |
| 447 |
'isPro' => $this->is_pro(), |
| 448 |
'quota' => $this->get_free_quota_state(), |
| 449 |
'upgradeUrl' => $this->get_upgrade_url('kng-img-optimizer'), |
| 450 |
'strings' => [ |
| 451 |
'optimizing' => esc_html__('Optimizing...', 'king-addons'), |
| 452 |
'optimized' => esc_html__('Optimized', 'king-addons'), |
| 453 |
'error' => esc_html__('Error', 'king-addons'), |
| 454 |
'pending' => esc_html__('Pending', 'king-addons'), |
| 455 |
'skipped' => esc_html__('Skipped', 'king-addons'), |
| 456 |
'confirmRestore' => esc_html__('Are you sure you want to restore the original image?', 'king-addons'), |
| 457 |
'confirmBulkRestore' => esc_html__('Are you sure you want to restore all images to their original versions?', 'king-addons'), |
| 458 |
'leaveWarning' => esc_html__('A process is running. If you leave this page, it will be interrupted. Do you want to leave?', 'king-addons'), |
| 459 |
'processingImage' => esc_html__('Processing image %d of %d...', 'king-addons'), |
| 460 |
'completed' => esc_html__('Optimization completed!', 'king-addons'), |
| 461 |
'savedBytes' => esc_html__('Saved %s', 'king-addons'), |
| 462 |
'quotaExceeded' => esc_html__('Free plan limit reached (200 optimizations/month). Upgrade to Unlimited to continue.', 'king-addons'), |
| 463 |
], |
| 464 |
]); |
| 465 |
} |
| 466 |
|
| 467 |
/** |
| 468 |
* Render admin page. |
| 469 |
*/ |
| 470 |
public function render_admin_page(): void |
| 471 |
{ |
| 472 |
include __DIR__ . '/templates/admin-page.php'; |
| 473 |
} |
| 474 |
|
| 475 |
/** |
| 476 |
* Add media library column. |
| 477 |
*/ |
| 478 |
public function add_media_column(array $columns): array |
| 479 |
{ |
| 480 |
$columns['king_optimization'] = esc_html__('Optimization', 'king-addons'); |
| 481 |
return $columns; |
| 482 |
} |
| 483 |
|
| 484 |
/** |
| 485 |
* Render media library column. |
| 486 |
*/ |
| 487 |
public function render_media_column(string $column_name, int $attachment_id): void |
| 488 |
{ |
| 489 |
if ($column_name !== 'king_optimization') { |
| 490 |
return; |
| 491 |
} |
| 492 |
|
| 493 |
if (!wp_attachment_is_image($attachment_id)) { |
| 494 |
echo '<span class="king-opt-na">—</span>'; |
| 495 |
return; |
| 496 |
} |
| 497 |
|
| 498 |
$meta = Image_Optimizer_DB::get_optimization_meta($attachment_id); |
| 499 |
|
| 500 |
if (empty($meta) || $meta['status'] === 'pending') { |
| 501 |
echo '<span class="king-opt-pending"><span class="dashicons dashicons-clock" aria-hidden="true"></span> ' . esc_html__('Pending', 'king-addons') . '</span>'; |
| 502 |
} elseif ($meta['status'] === 'optimized') { |
| 503 |
$savings = $meta['total_saved_bytes'] ?? 0; |
| 504 |
$percent = $meta['savings_percent'] ?? 0; |
| 505 |
echo '<span class="king-opt-done"><span class="dashicons dashicons-yes-alt" aria-hidden="true"></span> ' . esc_html(sprintf(__('-%d%%', 'king-addons'), $percent)) . '</span>'; |
| 506 |
} elseif ($meta['status'] === 'failed') { |
| 507 |
echo '<span class="king-opt-failed"><span class="dashicons dashicons-dismiss" aria-hidden="true"></span> ' . esc_html__('Failed', 'king-addons') . '</span>'; |
| 508 |
} |
| 509 |
} |
| 510 |
|
| 511 |
/** |
| 512 |
* Add attachment metabox. |
| 513 |
*/ |
| 514 |
public function add_attachment_metabox(): void |
| 515 |
{ |
| 516 |
add_meta_box( |
| 517 |
'king_image_optimization', |
| 518 |
esc_html__('Image Optimization', 'king-addons'), |
| 519 |
[$this, 'render_attachment_metabox'], |
| 520 |
'attachment', |
| 521 |
'side', |
| 522 |
'default' |
| 523 |
); |
| 524 |
} |
| 525 |
|
| 526 |
/** |
| 527 |
* Render attachment metabox. |
| 528 |
*/ |
| 529 |
public function render_attachment_metabox(\WP_Post $post): void |
| 530 |
{ |
| 531 |
if (!wp_attachment_is_image($post->ID)) { |
| 532 |
echo '<p>' . esc_html__('This file type is not supported for optimization.', 'king-addons') . '</p>'; |
| 533 |
return; |
| 534 |
} |
| 535 |
|
| 536 |
$meta = Image_Optimizer_DB::get_optimization_meta($post->ID); |
| 537 |
$file = get_attached_file($post->ID); |
| 538 |
$file_size = $file ? filesize($file) : 0; |
| 539 |
|
| 540 |
include __DIR__ . '/templates/attachment-metabox.php'; |
| 541 |
} |
| 542 |
|
| 543 |
/** |
| 544 |
* Cleanup WebP files when attachment is deleted. |
| 545 |
*/ |
| 546 |
public function cleanup_on_delete(int $attachment_id): void |
| 547 |
{ |
| 548 |
$meta = Image_Optimizer_DB::get_optimization_meta($attachment_id); |
| 549 |
|
| 550 |
if (empty($meta) || empty($meta['sizes'])) { |
| 551 |
return; |
| 552 |
} |
| 553 |
|
| 554 |
foreach ($meta['sizes'] as $size => $data) { |
| 555 |
if (!empty($data['webp_path']) && file_exists($data['webp_path'])) { |
| 556 |
wp_delete_file($data['webp_path']); |
| 557 |
} |
| 558 |
} |
| 559 |
|
| 560 |
Image_Optimizer_DB::delete_optimization_meta($attachment_id); |
| 561 |
} |
| 562 |
|
| 563 |
/** |
| 564 |
* Get global statistics. |
| 565 |
*/ |
| 566 |
public function get_global_stats(): array |
| 567 |
{ |
| 568 |
global $wpdb; |
| 569 |
|
| 570 |
$stats = [ |
| 571 |
'total_images' => 0, |
| 572 |
'optimized_images' => 0, |
| 573 |
'skipped_images' => 0, |
| 574 |
'failed_images' => 0, |
| 575 |
'pending_images' => 0, |
| 576 |
'total_original_bytes' => 0, |
| 577 |
'total_optimized_bytes' => 0, |
| 578 |
'total_saved_bytes' => 0, |
| 579 |
]; |
| 580 |
|
| 581 |
// Count total images |
| 582 |
$stats['total_images'] = (int) $wpdb->get_var( |
| 583 |
"SELECT COUNT(*) FROM {$wpdb->posts} WHERE post_type = 'attachment' AND post_mime_type LIKE 'image/%'" |
| 584 |
); |
| 585 |
|
| 586 |
// Get optimization stats from postmeta |
| 587 |
$optimized_data = $wpdb->get_results( |
| 588 |
$wpdb->prepare( |
| 589 |
"SELECT pm.post_id, pm.meta_value FROM {$wpdb->postmeta} pm |
| 590 |
INNER JOIN {$wpdb->posts} p ON pm.post_id = p.ID |
| 591 |
WHERE pm.meta_key = %s AND p.post_type = 'attachment'", |
| 592 |
self::META_KEY |
| 593 |
) |
| 594 |
); |
| 595 |
|
| 596 |
// Opportunistic migration: sync a small batch to Media Library per request |
| 597 |
$sync_limit = 200; |
| 598 |
$synced = 0; |
| 599 |
|
| 600 |
foreach ($optimized_data as $row) { |
| 601 |
$attachment_id = (int) ($row->post_id ?? 0); |
| 602 |
$meta = maybe_unserialize($row->meta_value); |
| 603 |
if (!is_array($meta)) { |
| 604 |
continue; |
| 605 |
} |
| 606 |
|
| 607 |
if (($meta['status'] ?? '') === 'optimized') { |
| 608 |
$stats['optimized_images']++; |
| 609 |
$stats['total_original_bytes'] += $meta['total_original_bytes'] ?? 0; |
| 610 |
$stats['total_optimized_bytes'] += $meta['total_optimized_bytes'] ?? 0; |
| 611 |
$stats['total_saved_bytes'] += $meta['total_saved_bytes'] ?? 0; |
| 612 |
|
| 613 |
// If Media Library still points to original, sync it (limited per call) |
| 614 |
if ($synced < $sync_limit && $attachment_id > 0) { |
| 615 |
$opt_full = $meta['sizes']['full']['optimized_path'] ?? $meta['sizes']['full']['webp_path'] ?? ''; |
| 616 |
if (!empty($opt_full) && is_string($opt_full) && file_exists($opt_full)) { |
| 617 |
$current = get_attached_file($attachment_id); |
| 618 |
if (!empty($current) && $current !== $opt_full) { |
| 619 |
Image_Optimizer_DB::sync_attachment_to_optimized($attachment_id, $meta); |
| 620 |
$synced++; |
| 621 |
} |
| 622 |
} |
| 623 |
} |
| 624 |
} elseif (($meta['status'] ?? '') === 'skipped') { |
| 625 |
$stats['skipped_images']++; |
| 626 |
} elseif (($meta['status'] ?? '') === 'failed') { |
| 627 |
$stats['failed_images']++; |
| 628 |
} |
| 629 |
} |
| 630 |
|
| 631 |
if ($synced > 0) { |
| 632 |
$stats['synced_media_library'] = $synced; |
| 633 |
} |
| 634 |
|
| 635 |
// Pending = Total - Optimized - Skipped - Failed |
| 636 |
$stats['pending_images'] = max(0, $stats['total_images'] - $stats['optimized_images'] - $stats['skipped_images'] - $stats['failed_images']); |
| 637 |
|
| 638 |
return $stats; |
| 639 |
} |
| 640 |
|
| 641 |
/** |
| 642 |
* Get supported image types. |
| 643 |
*/ |
| 644 |
public function get_supported_types(): array |
| 645 |
{ |
| 646 |
$types = [ |
| 647 |
'image/jpeg' => ['ext' => 'jpg', 'label' => 'JPEG'], |
| 648 |
'image/png' => ['ext' => 'png', 'label' => 'PNG'], |
| 649 |
'image/webp' => ['ext' => 'webp', 'label' => 'WebP'], |
| 650 |
]; |
| 651 |
return $types; |
| 652 |
} |
| 653 |
|
| 654 |
/** |
| 655 |
* Check if image type is supported. |
| 656 |
*/ |
| 657 |
public function is_supported_type(string $mime_type): bool |
| 658 |
{ |
| 659 |
return array_key_exists($mime_type, $this->get_supported_types()); |
| 660 |
} |
| 661 |
|
| 662 |
/** |
| 663 |
* Format bytes to human readable. |
| 664 |
*/ |
| 665 |
public static function format_bytes(int $bytes, int $precision = 2): string |
| 666 |
{ |
| 667 |
$units = ['B', 'KB', 'MB', 'GB', 'TB']; |
| 668 |
$bytes = max($bytes, 0); |
| 669 |
$pow = floor(($bytes ? log($bytes) : 0) / log(1024)); |
| 670 |
$pow = min($pow, count($units) - 1); |
| 671 |
$bytes /= pow(1024, $pow); |
| 672 |
|
| 673 |
return round($bytes, $precision) . ' ' . $units[$pow]; |
| 674 |
} |
| 675 |
} |
| 676 |
|
| 677 |
// Initialize the extension |
| 678 |
add_action('init', function() { |
| 679 |
Image_Optimizer::instance(); |
| 680 |
}); |
| 681 |
|
