| 1 |
<?php |
| 2 |
|
| 3 |
namespace MasterAddons\Inc\Classes; |
| 4 |
|
| 5 |
use MasterAddons\Inc\Admin\Templates; |
| 6 |
|
| 7 |
if (!defined('ABSPATH')) { |
| 8 |
exit; |
| 9 |
} |
| 10 |
|
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// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_operations_rmdir, WordPress.WP.AlternativeFunctions.file_system_operations_is_writable, WordPress.WP.AlternativeFunctions.rename_rename -- Local template-library cache directory housekeeping (under wp-content/uploads); native PHP filesystem calls are appropriate here and WP_Filesystem credential prompts are not desirable for background cache operations. |
| 12 |
|
| 13 |
/** |
| 14 |
* Template Library Cache |
| 15 |
* Provides file-based caching with scheduled updates for template import functionality |
| 16 |
*/ |
| 17 |
class Template_Library_Cache |
| 18 |
{ |
| 19 |
|
| 20 |
private static $instance = null; |
| 21 |
private $cache_dir; |
| 22 |
private $cache_expiry; |
| 23 |
private $config; |
| 24 |
|
| 25 |
public function __construct() |
| 26 |
{ |
| 27 |
$upload_dir = wp_upload_dir(); |
| 28 |
$basedir = !empty($upload_dir['basedir']) ? $upload_dir['basedir'] : ''; |
| 29 |
$this->cache_dir = $basedir . '/master_addons/templates-library/'; |
| 30 |
$this->cache_expiry = apply_filters('jltma_cache_expiry', 6 * HOUR_IN_SECONDS); // 6 hours default, filterable |
| 31 |
|
| 32 |
// Initialize config safely |
| 33 |
add_action('init', [$this, 'init_config'], 20); |
| 34 |
add_action('init', [$this, 'init'], 25); |
| 35 |
} |
| 36 |
|
| 37 |
public function init_config() |
| 38 |
{ |
| 39 |
// Initialize config after templates system is ready |
| 40 |
if (function_exists('MasterAddons\\Inc\\Admin\\Templates\\master_addons_templates')) { |
| 41 |
$templates_instance = Templates\master_addons_templates(); |
| 42 |
if ($templates_instance && isset($templates_instance->config)) { |
| 43 |
$this->config = $templates_instance->config->get('api'); |
| 44 |
} |
| 45 |
} |
| 46 |
|
| 47 |
} |
| 48 |
|
| 49 |
public function init() |
| 50 |
{ |
| 51 |
// Clean up old incorrect template-kits folder if it exists |
| 52 |
$this->cleanup_incorrect_folders(); |
| 53 |
|
| 54 |
// Ensure cache directory exists |
| 55 |
$this->ensure_cache_directory(); |
| 56 |
|
| 57 |
// Schedule cache updates |
| 58 |
add_action('wp', [$this, 'schedule_cache_updates']); |
| 59 |
add_action('jltma_templates_cache_update', [$this, 'update_templates_cache']); |
| 60 |
|
| 61 |
// Admin hooks |
| 62 |
add_action('admin_init', [$this, 'maybe_clear_cache']); |
| 63 |
|
| 64 |
// Performance optimizations |
| 65 |
add_action('wp_ajax_jltma_preload_cache', [$this, 'preload_cache_ajax']); |
| 66 |
add_action('jltma_templates_preload_cache', [$this, 'preload_popular_templates']); |
| 67 |
add_action('jltma_background_preload', [$this, 'do_background_preload']); |
| 68 |
|
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// Extend existing cache methods |
| 70 |
add_filter('jltma_templates_cache_enabled', '__return_true'); |
| 71 |
} |
| 72 |
|
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/** |
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* Ensure cache directory exists with proper structure |
| 75 |
*/ |
| 76 |
private function ensure_cache_directory() |
| 77 |
{ |
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// Check if uploads directory is writable |
| 79 |
if (!$this->is_uploads_writable()) { |
| 80 |
return false; |
| 81 |
} |
| 82 |
|
| 83 |
if (!file_exists($this->cache_dir)) { |
| 84 |
if (!wp_mkdir_p($this->cache_dir)) { |
| 85 |
return false; |
| 86 |
} |
| 87 |
|
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// Create subdirectories for different template types |
| 89 |
// Removed 'template-kits' as it should be in its own separate folder |
| 90 |
$subdirs = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 91 |
foreach ($subdirs as $subdir) { |
| 92 |
wp_mkdir_p($this->cache_dir . $subdir . '/'); |
| 93 |
wp_mkdir_p($this->cache_dir . $subdir . '/categories/'); |
| 94 |
wp_mkdir_p($this->cache_dir . $subdir . '/keywords/'); |
| 95 |
wp_mkdir_p($this->cache_dir . $subdir . '/templates/'); |
| 96 |
wp_mkdir_p($this->cache_dir . $subdir . '/images/'); |
| 97 |
} |
| 98 |
|
| 99 |
// Create .htaccess for security |
| 100 |
$htaccess_content = "Options -Indexes\n<Files \"*.json\">\nOrder allow,deny\nAllow from all\n</Files>"; |
| 101 |
$this->fs_put_contents($this->cache_dir . '.htaccess', $htaccess_content); |
| 102 |
|
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// Create index.php files |
| 104 |
$index_content = "<?php\n// Silence is golden.\n"; |
| 105 |
$this->fs_put_contents($this->cache_dir . 'index.php', $index_content); |
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|
| 107 |
foreach ($subdirs as $subdir) { |
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$this->fs_put_contents($this->cache_dir . $subdir . '/index.php', $index_content); |
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} |
| 110 |
} |
| 111 |
|
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return true; |
| 113 |
} |
| 114 |
|
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/** |
| 116 |
* Clean up incorrect folders created in wrong location |
| 117 |
*/ |
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private function cleanup_incorrect_folders() |
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{ |
| 120 |
// Remove template-kits folder from templates-library if it exists |
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$incorrect_folder = $this->cache_dir . 'template-kits/'; |
| 122 |
if (file_exists($incorrect_folder)) { |
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$this->delete_directory_recursively($incorrect_folder); |
| 124 |
} |
| 125 |
|
| 126 |
// Also check for any variations that might have been created |
| 127 |
$variations = ['template_kits', 'templatekits', 'template-kit']; |
| 128 |
foreach ($variations as $variant) { |
| 129 |
$incorrect_variant = $this->cache_dir . $variant . '/'; |
| 130 |
if (file_exists($incorrect_variant)) { |
| 131 |
$this->delete_directory_recursively($incorrect_variant); |
| 132 |
} |
| 133 |
} |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* Delete a directory and all its contents recursively |
| 138 |
*/ |
| 139 |
private function delete_directory_recursively($dir) |
| 140 |
{ |
| 141 |
if (!file_exists($dir)) { |
| 142 |
return; |
| 143 |
} |
| 144 |
|
| 145 |
if (!is_dir($dir)) { |
| 146 |
return; |
| 147 |
} |
| 148 |
|
| 149 |
// Normalize the directory path to avoid double slashes |
| 150 |
$dir = rtrim($dir, '/\\'); |
| 151 |
|
| 152 |
// Try to scan the directory, but handle failures gracefully |
| 153 |
$scan_result = @scandir($dir); |
| 154 |
if ($scan_result === false) { |
| 155 |
// If we can't scan it, try to remove it directly |
| 156 |
@rmdir($dir); |
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return; |
| 158 |
} |
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|
| 160 |
$files = array_diff($scan_result, array('.', '..')); |
| 161 |
foreach ($files as $file) { |
| 162 |
$path = $dir . DIRECTORY_SEPARATOR . $file; |
| 163 |
if (is_dir($path)) { |
| 164 |
$this->delete_directory_recursively($path); |
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} else { |
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wp_delete_file($path); |
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} |
| 168 |
} |
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@rmdir($dir); |
| 170 |
} |
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|
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/** |
| 173 |
* Check if uploads directory is writable |
| 174 |
*/ |
| 175 |
private function is_uploads_writable() |
| 176 |
{ |
| 177 |
$upload_dir = wp_upload_dir(); |
| 178 |
|
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// Check if uploads dir exists and is writable |
| 180 |
if (!file_exists($upload_dir['basedir'])) { |
| 181 |
return false; |
| 182 |
} |
| 183 |
|
| 184 |
return is_writable($upload_dir['basedir']); |
| 185 |
} |
| 186 |
|
| 187 |
/** |
| 188 |
* Schedule cache update events via Background_Task_Manager |
| 189 |
*/ |
| 190 |
public function schedule_cache_updates() |
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{ |
| 192 |
Background_Task_Manager::get_instance()->schedule_recurring( |
| 193 |
'jltma_templates_cache_update', |
| 194 |
12 * HOUR_IN_SECONDS |
| 195 |
); |
| 196 |
} |
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|
| 198 |
/** |
| 199 |
* Get cached templates for specific tab |
| 200 |
*/ |
| 201 |
public function get_cached_templates($tab, $force_refresh = false) |
| 202 |
{ |
| 203 |
// Try transient cache first if file cache is not available |
| 204 |
if (!$this->is_file_cache_available()) { |
| 205 |
return $this->get_transient_cached_templates($tab, $force_refresh); |
| 206 |
} |
| 207 |
|
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$cache_file = $this->cache_dir . "{$tab}/templates/templates.json"; |
| 209 |
$cache_meta_file = $this->cache_dir . "{$tab}/templates/meta.json"; |
| 210 |
|
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// Check if cache exists and is valid |
| 212 |
if (!$force_refresh && $this->is_cache_valid($cache_meta_file)) { |
| 213 |
$cached_data = $this->read_cache_file($cache_file); |
| 214 |
if ($cached_data !== false) { |
| 215 |
// Update thumbnail URLs to use cache folder first |
| 216 |
foreach ($cached_data as &$template) { |
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$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 218 |
if ($cached_thumbnail) { |
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$template['thumbnail'] = $cached_thumbnail; |
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} |
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} |
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return $cached_data; |
| 223 |
} |
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} |
| 225 |
|
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// Fetch fresh data from remote API |
| 227 |
$fresh_data = $this->fetch_remote_templates($tab); |
| 228 |
|
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if ($fresh_data !== false) { |
| 230 |
// Update thumbnail URLs to use cache folder first |
| 231 |
foreach ($fresh_data as &$template) { |
| 232 |
$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 233 |
if ($cached_thumbnail) { |
| 234 |
$template['thumbnail'] = $cached_thumbnail; |
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} |
| 236 |
} |
| 237 |
|
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// Cache the data |
| 239 |
$this->write_cache_file($cache_file, $fresh_data); |
| 240 |
$this->write_cache_meta($cache_meta_file); |
| 241 |
|
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// Cache individual template thumbnails |
| 243 |
$this->cache_template_images($fresh_data, $tab); |
| 244 |
|
| 245 |
return $fresh_data; |
| 246 |
} |
| 247 |
|
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// Fallback to expired cache if available |
| 249 |
$fallback_data = $this->read_cache_file($cache_file); |
| 250 |
if ($fallback_data !== false) { |
| 251 |
// Update thumbnail URLs to use cache folder first for fallback data |
| 252 |
foreach ($fallback_data as &$template) { |
| 253 |
$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 254 |
if ($cached_thumbnail) { |
| 255 |
$template['thumbnail'] = $cached_thumbnail; |
| 256 |
} |
| 257 |
} |
| 258 |
} |
| 259 |
return $fallback_data; |
| 260 |
} |
| 261 |
|
| 262 |
/** |
| 263 |
* Get cached categories for specific tab |
| 264 |
*/ |
| 265 |
public function get_cached_categories($tab, $force_refresh = false) |
| 266 |
{ |
| 267 |
// Try transient cache first if file cache is not available |
| 268 |
if (!$this->is_file_cache_available()) { |
| 269 |
return $this->get_transient_cached_categories($tab, $force_refresh); |
| 270 |
} |
| 271 |
|
| 272 |
$cache_file = $this->cache_dir . "{$tab}/categories/categories.json"; |
| 273 |
$cache_meta_file = $this->cache_dir . "{$tab}/categories/meta.json"; |
| 274 |
|
| 275 |
if (!$force_refresh && $this->is_cache_valid($cache_meta_file)) { |
| 276 |
$cached_data = $this->read_cache_file($cache_file); |
| 277 |
if ($cached_data !== false) { |
| 278 |
return $cached_data; |
| 279 |
} |
| 280 |
} |
| 281 |
|
| 282 |
$fresh_data = $this->fetch_remote_categories($tab); |
| 283 |
|
| 284 |
if ($fresh_data !== false) { |
| 285 |
$this->write_cache_file($cache_file, $fresh_data); |
| 286 |
$this->write_cache_meta($cache_meta_file); |
| 287 |
return $fresh_data; |
| 288 |
} |
| 289 |
|
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return $this->read_cache_file($cache_file); |
| 291 |
} |
| 292 |
|
| 293 |
/** |
| 294 |
* Get cached keywords for specific tab |
| 295 |
*/ |
| 296 |
public function get_cached_keywords($tab, $force_refresh = false) |
| 297 |
{ |
| 298 |
// Try transient cache first if file cache is not available |
| 299 |
if (!$this->is_file_cache_available()) { |
| 300 |
return $this->get_transient_cached_keywords($tab, $force_refresh); |
| 301 |
} |
| 302 |
|
| 303 |
$cache_file = $this->cache_dir . "{$tab}/keywords/keywords.json"; |
| 304 |
$cache_meta_file = $this->cache_dir . "{$tab}/keywords/meta.json"; |
| 305 |
|
| 306 |
if (!$force_refresh && $this->is_cache_valid($cache_meta_file)) { |
| 307 |
$cached_data = $this->read_cache_file($cache_file); |
| 308 |
if ($cached_data !== false) { |
| 309 |
return $cached_data; |
| 310 |
} |
| 311 |
} |
| 312 |
|
| 313 |
$fresh_data = $this->fetch_remote_keywords($tab); |
| 314 |
|
| 315 |
if ($fresh_data !== false) { |
| 316 |
$this->write_cache_file($cache_file, $fresh_data); |
| 317 |
$this->write_cache_meta($cache_meta_file); |
| 318 |
return $fresh_data; |
| 319 |
} |
| 320 |
|
| 321 |
return $this->read_cache_file($cache_file); |
| 322 |
} |
| 323 |
|
| 324 |
/** |
| 325 |
* Get cached individual template |
| 326 |
*/ |
| 327 |
public function get_cached_template($template_id, $tab, $force_refresh = false) |
| 328 |
{ |
| 329 |
$cache_file = $this->cache_dir . "{$tab}/templates/template-{$template_id}.json"; |
| 330 |
$cache_meta_file = $this->cache_dir . "{$tab}/templates/template-{$template_id}-meta.json"; |
| 331 |
|
| 332 |
if (!$force_refresh && $this->is_cache_valid($cache_meta_file)) { |
| 333 |
$cached_data = $this->read_cache_file($cache_file); |
| 334 |
if ($cached_data !== false) { |
| 335 |
return $cached_data; |
| 336 |
} |
| 337 |
} |
| 338 |
|
| 339 |
// For individual templates, we don't cache them unless they're part of a larger fetch |
| 340 |
// This prevents excessive API calls for single template requests |
| 341 |
return false; |
| 342 |
} |
| 343 |
|
| 344 |
/** |
| 345 |
* Cache individual template data (called after successful API fetch) |
| 346 |
*/ |
| 347 |
public function cache_template_data($template_id, $tab, $data) |
| 348 |
{ |
| 349 |
$cache_file = $this->cache_dir . "{$tab}/templates/template-{$template_id}.json"; |
| 350 |
$cache_meta_file = $this->cache_dir . "{$tab}/templates/template-{$template_id}-meta.json"; |
| 351 |
|
| 352 |
$this->write_cache_file($cache_file, $data); |
| 353 |
$this->write_cache_meta($cache_meta_file); |
| 354 |
} |
| 355 |
|
| 356 |
/** |
| 357 |
* Fetch templates from remote API |
| 358 |
*/ |
| 359 |
private function fetch_remote_templates($tab) |
| 360 |
{ |
| 361 |
if (empty($this->config)) { |
| 362 |
return false; |
| 363 |
} |
| 364 |
|
| 365 |
$api_url = $this->config['base'] . $this->config['path'] . $this->config['endpoints']['templates'] . $tab; |
| 366 |
|
| 367 |
$response = wp_remote_get($api_url, [ |
| 368 |
'timeout' => 60, |
| 369 |
'sslverify' => false, |
| 370 |
'headers' => [ |
| 371 |
'User-Agent' => 'Master Addons Templates Cache/' . JLTMA_VER |
| 372 |
] |
| 373 |
]); |
| 374 |
if (is_wp_error($response)) { |
| 375 |
return false; |
| 376 |
} |
| 377 |
|
| 378 |
$body = wp_remote_retrieve_body($response); |
| 379 |
$data = json_decode($body, true); |
| 380 |
|
| 381 |
if (json_last_error() !== JSON_ERROR_NONE || !isset($data['success']) || !$data['success']) { |
| 382 |
return false; |
| 383 |
} |
| 384 |
|
| 385 |
return isset($data['templates']) ? $data['templates'] : []; |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Fetch categories from remote API |
| 390 |
*/ |
| 391 |
private function fetch_remote_categories($tab) |
| 392 |
{ |
| 393 |
if (empty($this->config)) { |
| 394 |
return false; |
| 395 |
} |
| 396 |
|
| 397 |
$api_url = $this->config['base'] . $this->config['path'] . $this->config['endpoints']['categories'] . $tab; |
| 398 |
|
| 399 |
$response = wp_remote_get($api_url, [ |
| 400 |
'timeout' => 60, |
| 401 |
'sslverify' => false |
| 402 |
]); |
| 403 |
|
| 404 |
if (is_wp_error($response)) { |
| 405 |
return false; |
| 406 |
} |
| 407 |
|
| 408 |
$body = wp_remote_retrieve_body($response); |
| 409 |
$data = json_decode($body, true); |
| 410 |
|
| 411 |
if (json_last_error() !== JSON_ERROR_NONE || !isset($data['success']) || !$data['success']) { |
| 412 |
return false; |
| 413 |
} |
| 414 |
|
| 415 |
return isset($data['terms']) ? $data['terms'] : []; |
| 416 |
} |
| 417 |
|
| 418 |
/** |
| 419 |
* Fetch keywords from remote API |
| 420 |
*/ |
| 421 |
private function fetch_remote_keywords($tab) |
| 422 |
{ |
| 423 |
if (empty($this->config)) { |
| 424 |
return false; |
| 425 |
} |
| 426 |
|
| 427 |
$api_url = $this->config['base'] . $this->config['path'] . $this->config['endpoints']['keywords'] . $tab; |
| 428 |
|
| 429 |
$response = wp_remote_get($api_url, [ |
| 430 |
'timeout' => 60, |
| 431 |
'sslverify' => false |
| 432 |
]); |
| 433 |
|
| 434 |
if (is_wp_error($response)) { |
| 435 |
return false; |
| 436 |
} |
| 437 |
|
| 438 |
$body = wp_remote_retrieve_body($response); |
| 439 |
$data = json_decode($body, true); |
| 440 |
|
| 441 |
if (json_last_error() !== JSON_ERROR_NONE || !isset($data['success']) || !$data['success']) { |
| 442 |
return false; |
| 443 |
} |
| 444 |
|
| 445 |
return isset($data['terms']) ? $data['terms'] : []; |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* Cache template images locally |
| 450 |
*/ |
| 451 |
private function cache_template_images($templates, $tab) |
| 452 |
{ |
| 453 |
if (!is_array($templates)) { |
| 454 |
return; |
| 455 |
} |
| 456 |
|
| 457 |
foreach ($templates as $template) { |
| 458 |
if (isset($template['thumbnail']) && !empty($template['thumbnail'])) { |
| 459 |
$template_id = $template['template_id'] ?? uniqid(); |
| 460 |
$this->cache_image($template['thumbnail'], $tab, "template-{$template_id}-thumb"); |
| 461 |
} |
| 462 |
|
| 463 |
if (isset($template['preview']) && !empty($template['preview'])) { |
| 464 |
$template_id = $template['template_id'] ?? uniqid(); |
| 465 |
$this->cache_image($template['preview'], $tab, "template-{$template_id}-preview"); |
| 466 |
} |
| 467 |
} |
| 468 |
} |
| 469 |
|
| 470 |
/** |
| 471 |
* Cache individual image |
| 472 |
*/ |
| 473 |
private function cache_image($image_url, $tab, $filename) |
| 474 |
{ |
| 475 |
if (empty($image_url)) { |
| 476 |
return false; |
| 477 |
} |
| 478 |
|
| 479 |
$extension = pathinfo($image_url, PATHINFO_EXTENSION); |
| 480 |
if (empty($extension)) { |
| 481 |
$extension = 'jpg'; |
| 482 |
} |
| 483 |
|
| 484 |
$local_file = $this->cache_dir . "{$tab}/images/{$filename}.{$extension}"; |
| 485 |
|
| 486 |
// Skip if already cached and recent |
| 487 |
if (file_exists($local_file) && (time() - filemtime($local_file)) < DAY_IN_SECONDS) { |
| 488 |
return $local_file; |
| 489 |
} |
| 490 |
|
| 491 |
// Ensure the directory exists before trying to write |
| 492 |
$image_dir = dirname($local_file); |
| 493 |
if (!file_exists($image_dir)) { |
| 494 |
wp_mkdir_p($image_dir); |
| 495 |
} |
| 496 |
|
| 497 |
$response = wp_remote_get($image_url, [ |
| 498 |
'timeout' => 30 |
| 499 |
]); |
| 500 |
|
| 501 |
if (is_wp_error($response)) { |
| 502 |
return false; |
| 503 |
} |
| 504 |
|
| 505 |
$image_data = wp_remote_retrieve_body($response); |
| 506 |
|
| 507 |
if ($this->fs_put_contents($local_file, $image_data)) { |
| 508 |
return $local_file; |
| 509 |
} |
| 510 |
|
| 511 |
return false; |
| 512 |
} |
| 513 |
|
| 514 |
/** |
| 515 |
* Update templates cache (scheduled event) |
| 516 |
*/ |
| 517 |
public function update_templates_cache() |
| 518 |
{ |
| 519 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 520 |
$btm = Background_Task_Manager::get_instance(); |
| 521 |
|
| 522 |
foreach ($template_types as $tab) { |
| 523 |
try { |
| 524 |
$btm->execute_with_retry(function () use ($tab) { |
| 525 |
// Update templates |
| 526 |
$this->get_cached_templates($tab, true); |
| 527 |
// Update categories |
| 528 |
$this->get_cached_categories($tab, true); |
| 529 |
// Update keywords |
| 530 |
$this->get_cached_keywords($tab, true); |
| 531 |
}, 3, "templates_cache_sync_{$tab}"); |
| 532 |
} catch (\Exception $e) { |
| 533 |
// Individual tab failure logged by execute_with_retry; continue with others |
| 534 |
} |
| 535 |
} |
| 536 |
|
| 537 |
// Clean up old cache files |
| 538 |
$this->cleanup_old_cache(); |
| 539 |
|
| 540 |
// Update last cache time |
| 541 |
set_transient('jltma_templates_last_cache_update', time(), DAY_IN_SECONDS); |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Check if cache is valid |
| 546 |
*/ |
| 547 |
private function is_cache_valid($meta_file) |
| 548 |
{ |
| 549 |
if (!file_exists($meta_file)) { |
| 550 |
return false; |
| 551 |
} |
| 552 |
|
| 553 |
$meta = json_decode(file_get_contents($meta_file), true); |
| 554 |
if (!$meta || !isset($meta['timestamp'])) { |
| 555 |
return false; |
| 556 |
} |
| 557 |
|
| 558 |
return (time() - $meta['timestamp']) < $this->cache_expiry; |
| 559 |
} |
| 560 |
|
| 561 |
/** |
| 562 |
* Read cache file with priority tracking |
| 563 |
*/ |
| 564 |
private function read_cache_file($file_path) |
| 565 |
{ |
| 566 |
if (!file_exists($file_path)) { |
| 567 |
return false; |
| 568 |
} |
| 569 |
|
| 570 |
// Track access for priority system |
| 571 |
$this->track_cache_access($file_path); |
| 572 |
|
| 573 |
$content = file_get_contents($file_path); |
| 574 |
if ($content === false) { |
| 575 |
return false; |
| 576 |
} |
| 577 |
|
| 578 |
$data = json_decode($content, true); |
| 579 |
return json_last_error() === JSON_ERROR_NONE ? $data : false; |
| 580 |
} |
| 581 |
|
| 582 |
/** |
| 583 |
* Write a file through the WP_Filesystem API. |
| 584 |
* |
| 585 |
* @param string $file |
| 586 |
* @param string $contents |
| 587 |
* @return bool |
| 588 |
*/ |
| 589 |
private function fs_put_contents($file, $contents) |
| 590 |
{ |
| 591 |
global $wp_filesystem; |
| 592 |
if (empty($wp_filesystem)) { |
| 593 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 594 |
WP_Filesystem(); |
| 595 |
} |
| 596 |
if (empty($wp_filesystem)) { |
| 597 |
return false; |
| 598 |
} |
| 599 |
return $wp_filesystem->put_contents($file, $contents, FS_CHMOD_FILE); |
| 600 |
} |
| 601 |
|
| 602 |
/** |
| 603 |
* Write cache file |
| 604 |
*/ |
| 605 |
private function write_cache_file($file_path, $data) |
| 606 |
{ |
| 607 |
$dir = dirname($file_path); |
| 608 |
if (!file_exists($dir)) { |
| 609 |
wp_mkdir_p($dir); |
| 610 |
} |
| 611 |
|
| 612 |
$json = wp_json_encode($data, JSON_PRETTY_PRINT); |
| 613 |
return $this->fs_put_contents($file_path, $json) !== false; |
| 614 |
} |
| 615 |
|
| 616 |
/** |
| 617 |
* Write cache metadata |
| 618 |
*/ |
| 619 |
private function write_cache_meta($meta_file) |
| 620 |
{ |
| 621 |
$meta = [ |
| 622 |
'timestamp' => time(), |
| 623 |
'version' => JLTMA_VER, |
| 624 |
'expiry' => $this->cache_expiry |
| 625 |
]; |
| 626 |
|
| 627 |
return $this->fs_put_contents($meta_file, wp_json_encode($meta)) !== false; |
| 628 |
} |
| 629 |
|
| 630 |
/** |
| 631 |
* Clear all template cache |
| 632 |
*/ |
| 633 |
public function clear_cache() |
| 634 |
{ |
| 635 |
$cleared = false; |
| 636 |
|
| 637 |
// Clear file cache if available |
| 638 |
if (file_exists($this->cache_dir)) { |
| 639 |
$this->delete_directory_contents($this->cache_dir); |
| 640 |
$this->ensure_cache_directory(); |
| 641 |
$cleared = true; |
| 642 |
} |
| 643 |
|
| 644 |
// Always clear transient cache |
| 645 |
$this->clear_transient_cache(); |
| 646 |
|
| 647 |
// Clear related transients (legacy support) |
| 648 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 649 |
foreach ($template_types as $tab) { |
| 650 |
delete_transient("master_addons_templates_master-api_{$tab}"); |
| 651 |
delete_transient("master_addons_categories_master-api_{$tab}"); |
| 652 |
delete_transient("master_addons_keywords_master-api_{$tab}"); |
| 653 |
} |
| 654 |
|
| 655 |
delete_transient('jltma_templates_last_cache_update'); |
| 656 |
|
| 657 |
return true; |
| 658 |
} |
| 659 |
|
| 660 |
/** |
| 661 |
* Refresh cache by clearing and fetching fresh data from API |
| 662 |
*/ |
| 663 |
public function refresh_cache() |
| 664 |
{ |
| 665 |
// Clear all existing cache |
| 666 |
$this->clear_cache(); |
| 667 |
|
| 668 |
// Force fetch fresh data from API for all template types |
| 669 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 670 |
$refreshed_data = []; |
| 671 |
|
| 672 |
foreach ($template_types as $tab) { |
| 673 |
// Force refresh templates |
| 674 |
$templates = $this->get_cached_templates($tab, true); |
| 675 |
|
| 676 |
// Force refresh categories |
| 677 |
$categories = $this->get_cached_categories($tab, true); |
| 678 |
|
| 679 |
// Force refresh keywords |
| 680 |
$keywords = $this->get_cached_keywords($tab, true); |
| 681 |
|
| 682 |
$refreshed_data[$tab] = [ |
| 683 |
'templates' => is_array($templates) ? count($templates) : 0, |
| 684 |
'categories' => is_array($categories) ? count($categories) : 0, |
| 685 |
'keywords' => is_array($keywords) ? count($keywords) : 0 |
| 686 |
]; |
| 687 |
} |
| 688 |
|
| 689 |
// Update last cache refresh time |
| 690 |
set_transient('jltma_templates_last_cache_update', time(), DAY_IN_SECONDS); |
| 691 |
|
| 692 |
// Log successful refresh |
| 693 |
|
| 694 |
return $refreshed_data; |
| 695 |
} |
| 696 |
|
| 697 |
/** |
| 698 |
* Clean up old cache files with priority system |
| 699 |
*/ |
| 700 |
private function cleanup_old_cache() |
| 701 |
{ |
| 702 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 703 |
|
| 704 |
// Cache priority ages (high priority files are kept longer) |
| 705 |
$priority_ages = [ |
| 706 |
'high' => 14 * DAY_IN_SECONDS, // 14 days for high priority |
| 707 |
'medium' => 7 * DAY_IN_SECONDS, // 7 days for medium priority |
| 708 |
'low' => 3 * DAY_IN_SECONDS // 3 days for low priority |
| 709 |
]; |
| 710 |
|
| 711 |
foreach ($template_types as $tab) { |
| 712 |
$tab_dir = $this->cache_dir . $tab . '/'; |
| 713 |
if (!file_exists($tab_dir)) { |
| 714 |
continue; |
| 715 |
} |
| 716 |
|
| 717 |
$subdirs = ['categories', 'keywords', 'templates', 'images']; |
| 718 |
foreach ($subdirs as $subdir) { |
| 719 |
$full_dir = $tab_dir . $subdir . '/'; |
| 720 |
if (!file_exists($full_dir)) { |
| 721 |
continue; |
| 722 |
} |
| 723 |
|
| 724 |
$files = glob($full_dir . '*'); |
| 725 |
foreach ($files as $file) { |
| 726 |
if (is_file($file)) { |
| 727 |
$file_age = time() - filemtime($file); |
| 728 |
$priority = $this->get_file_cache_priority($file, $tab); |
| 729 |
$max_age = $priority_ages[$priority] ?? $priority_ages['low']; |
| 730 |
|
| 731 |
if ($file_age > $max_age) { |
| 732 |
wp_delete_file($file); |
| 733 |
} |
| 734 |
} |
| 735 |
} |
| 736 |
} |
| 737 |
} |
| 738 |
} |
| 739 |
|
| 740 |
/** |
| 741 |
* Determine cache file priority based on usage patterns |
| 742 |
*/ |
| 743 |
private function get_file_cache_priority($file_path, $tab) |
| 744 |
{ |
| 745 |
$filename = basename($file_path); |
| 746 |
$access_count = $this->get_file_access_count($file_path); |
| 747 |
$recent_access = $this->get_recent_access_time($file_path); |
| 748 |
|
| 749 |
// High priority: Frequently accessed files (>10 times) or recently accessed (within 2 days) |
| 750 |
if ($access_count > 10 || (time() - $recent_access) < (2 * DAY_IN_SECONDS)) { |
| 751 |
return 'high'; |
| 752 |
} |
| 753 |
|
| 754 |
// Medium priority: Moderately accessed files (3-10 times) or accessed within a week |
| 755 |
if ($access_count >= 3 || (time() - $recent_access) < (7 * DAY_IN_SECONDS)) { |
| 756 |
return 'medium'; |
| 757 |
} |
| 758 |
|
| 759 |
// Low priority: Everything else |
| 760 |
return 'low'; |
| 761 |
} |
| 762 |
|
| 763 |
/** |
| 764 |
* Get file access count from usage tracking |
| 765 |
*/ |
| 766 |
private function get_file_access_count($file_path) |
| 767 |
{ |
| 768 |
$access_data = get_transient('jltma_cache_access_' . md5($file_path)); |
| 769 |
return $access_data ? (int) $access_data['count'] : 0; |
| 770 |
} |
| 771 |
|
| 772 |
/** |
| 773 |
* Get recent access time for file |
| 774 |
*/ |
| 775 |
private function get_recent_access_time($file_path) |
| 776 |
{ |
| 777 |
$access_data = get_transient('jltma_cache_access_' . md5($file_path)); |
| 778 |
return $access_data ? (int) $access_data['last_access'] : filemtime($file_path); |
| 779 |
} |
| 780 |
|
| 781 |
/** |
| 782 |
* Track cache file access for priority system |
| 783 |
*/ |
| 784 |
private function track_cache_access($file_path) |
| 785 |
{ |
| 786 |
$access_key = 'jltma_cache_access_' . md5($file_path); |
| 787 |
$access_data = get_transient($access_key) ?: ['count' => 0, 'last_access' => 0]; |
| 788 |
|
| 789 |
$access_data['count']++; |
| 790 |
$access_data['last_access'] = time(); |
| 791 |
|
| 792 |
set_transient($access_key, $access_data, 30 * DAY_IN_SECONDS); |
| 793 |
} |
| 794 |
|
| 795 |
/** |
| 796 |
* Delete directory contents recursively |
| 797 |
*/ |
| 798 |
private function delete_directory_contents($dir) |
| 799 |
{ |
| 800 |
if (!file_exists($dir)) { |
| 801 |
return; |
| 802 |
} |
| 803 |
|
| 804 |
$files = glob($dir . '*', GLOB_MARK); |
| 805 |
foreach ($files as $file) { |
| 806 |
if (is_dir($file)) { |
| 807 |
$this->delete_directory_contents($file); |
| 808 |
rmdir($file); |
| 809 |
} else { |
| 810 |
wp_delete_file($file); |
| 811 |
} |
| 812 |
} |
| 813 |
} |
| 814 |
|
| 815 |
/** |
| 816 |
* Handle cache clearing from admin |
| 817 |
*/ |
| 818 |
public function maybe_clear_cache() |
| 819 |
{ |
| 820 |
if (isset($_GET['jltma_clear_templates_cache']) && |
| 821 |
isset($_GET['_wpnonce']) && |
| 822 |
wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'jltma_clear_templates_cache') && |
| 823 |
current_user_can('manage_options')) { |
| 824 |
|
| 825 |
$this->clear_cache(); |
| 826 |
|
| 827 |
wp_safe_redirect(add_query_arg([ |
| 828 |
'jltma_templates_cache_cleared' => '1' |
| 829 |
], remove_query_arg(['jltma_clear_templates_cache', '_wpnonce']))); |
| 830 |
exit; |
| 831 |
} |
| 832 |
|
| 833 |
// Handle cache refresh from admin |
| 834 |
if (isset($_GET['jltma_refresh_templates_cache']) && |
| 835 |
isset($_GET['_wpnonce']) && |
| 836 |
wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'jltma_refresh_templates_cache') && |
| 837 |
current_user_can('manage_options')) { |
| 838 |
|
| 839 |
$this->refresh_cache(); |
| 840 |
|
| 841 |
wp_safe_redirect(add_query_arg([ |
| 842 |
'jltma_templates_cache_refreshed' => '1' |
| 843 |
], remove_query_arg(['jltma_refresh_templates_cache', '_wpnonce']))); |
| 844 |
exit; |
| 845 |
} |
| 846 |
} |
| 847 |
|
| 848 |
/** |
| 849 |
* Get cached image URL |
| 850 |
*/ |
| 851 |
public function get_cached_image_url($original_url, $tab, $filename) |
| 852 |
{ |
| 853 |
$extension = pathinfo($original_url, PATHINFO_EXTENSION) ?: 'jpg'; |
| 854 |
$local_file = $this->cache_dir . "{$tab}/images/{$filename}.{$extension}"; |
| 855 |
|
| 856 |
if (file_exists($local_file)) { |
| 857 |
$upload_dir = wp_upload_dir(); |
| 858 |
$relative_path = str_replace($upload_dir['basedir'], '', $local_file); |
| 859 |
return $upload_dir['baseurl'] . $relative_path; |
| 860 |
} |
| 861 |
|
| 862 |
return $original_url; |
| 863 |
} |
| 864 |
|
| 865 |
/** |
| 866 |
* Get template kit thumbnail from cache or generate fallback URL |
| 867 |
*/ |
| 868 |
public function get_kit_thumbnail_url($kit_name, $template_name = 'home', $original_url = null) |
| 869 |
{ |
| 870 |
// Normalize kit name for filename |
| 871 |
$kit_slug = sanitize_title($kit_name); |
| 872 |
$template_slug = sanitize_title($template_name); |
| 873 |
|
| 874 |
// Check cache directory first (templates-library images) |
| 875 |
$cache_image_dir = $this->cache_dir . 'master_section/images/'; |
| 876 |
$cached_file_patterns = [ |
| 877 |
"{$kit_slug}-{$template_slug}.jpg", |
| 878 |
"{$kit_slug}-{$template_slug}.png", |
| 879 |
"{$kit_slug}.jpg", |
| 880 |
"{$kit_slug}.png" |
| 881 |
]; |
| 882 |
|
| 883 |
foreach ($cached_file_patterns as $pattern) { |
| 884 |
$cached_file = $cache_image_dir . $pattern; |
| 885 |
if (file_exists($cached_file)) { |
| 886 |
$upload_dir = wp_upload_dir(); |
| 887 |
$relative_path = str_replace($upload_dir['basedir'], '', $cached_file); |
| 888 |
return $upload_dir['baseurl'] . $relative_path; |
| 889 |
} |
| 890 |
} |
| 891 |
|
| 892 |
// If original URL provided, return it |
| 893 |
if ($original_url) { |
| 894 |
return $original_url; |
| 895 |
} |
| 896 |
|
| 897 |
// Generate expected thumbnail URL from master-addons.com |
| 898 |
$kit_version = $this->get_kit_version($kit_name); |
| 899 |
return "https://master-addons.com/templates-kit/{$kit_slug}{$kit_version}/{$template_slug}.jpg"; |
| 900 |
} |
| 901 |
|
| 902 |
/** |
| 903 |
* Get kit version suffix for URL generation |
| 904 |
*/ |
| 905 |
private function get_kit_version($kit_name) |
| 906 |
{ |
| 907 |
// Common version patterns for kits |
| 908 |
$version_patterns = [ |
| 909 |
'business-agency' => '-v1', |
| 910 |
'restaurant' => '-v2', |
| 911 |
'portfolio' => '-v1', |
| 912 |
'ecommerce' => '-v3' |
| 913 |
]; |
| 914 |
|
| 915 |
$kit_slug = sanitize_title($kit_name); |
| 916 |
return $version_patterns[$kit_slug] ?? '-v1'; |
| 917 |
} |
| 918 |
|
| 919 |
/** |
| 920 |
* Get cache statistics |
| 921 |
*/ |
| 922 |
public function get_cache_stats() |
| 923 |
{ |
| 924 |
$stats = [ |
| 925 |
'cache_dir_exists' => file_exists($this->cache_dir), |
| 926 |
'cache_size' => $this->get_directory_size($this->cache_dir), |
| 927 |
'last_update' => get_transient('jltma_templates_last_cache_update'), |
| 928 |
'template_types' => [], |
| 929 |
'next_scheduled_update' => wp_next_scheduled('jltma_templates_cache_update'), |
| 930 |
'total_kits' => 0, |
| 931 |
'total_templates' => 0 |
| 932 |
]; |
| 933 |
|
| 934 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 935 |
$total_templates = 0; |
| 936 |
|
| 937 |
foreach ($template_types as $type) { |
| 938 |
$template_count = 0; |
| 939 |
$image_count = 0; |
| 940 |
|
| 941 |
// Count file cache if available |
| 942 |
if ($this->is_file_cache_available()) { |
| 943 |
$template_count = count(glob($this->cache_dir . "{$type}/templates/template-*.json")); |
| 944 |
$image_count = count(glob($this->cache_dir . "{$type}/images/*")); |
| 945 |
} else { |
| 946 |
// Count transient cache |
| 947 |
$cached_templates = get_transient("jltma_templates_{$type}"); |
| 948 |
if ($cached_templates && is_array($cached_templates)) { |
| 949 |
$template_count = count($cached_templates); |
| 950 |
} |
| 951 |
} |
| 952 |
|
| 953 |
$stats['template_types'][$type] = [ |
| 954 |
'templates' => $template_count, |
| 955 |
'images' => $image_count |
| 956 |
]; |
| 957 |
|
| 958 |
$total_templates += $template_count; |
| 959 |
} |
| 960 |
|
| 961 |
// For template kits, we'll count unique kits from cached data |
| 962 |
$stats['total_kits'] = $this->count_cached_kits(); |
| 963 |
$stats['total_templates'] = $total_templates; |
| 964 |
|
| 965 |
return $stats; |
| 966 |
} |
| 967 |
|
| 968 |
/** |
| 969 |
* Count cached template kits |
| 970 |
*/ |
| 971 |
private function count_cached_kits() |
| 972 |
{ |
| 973 |
$kit_count = 0; |
| 974 |
|
| 975 |
// If using file cache, look for kit manifest files |
| 976 |
if ($this->is_file_cache_available()) { |
| 977 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 978 |
foreach ($template_types as $type) { |
| 979 |
$templates_file = $this->cache_dir . "{$type}/templates/templates.json"; |
| 980 |
if (file_exists($templates_file)) { |
| 981 |
$templates_data = $this->read_cache_file($templates_file); |
| 982 |
if ($templates_data && is_array($templates_data)) { |
| 983 |
$kit_count += count($templates_data); |
| 984 |
} |
| 985 |
} |
| 986 |
} |
| 987 |
} else { |
| 988 |
// Count from transients |
| 989 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 990 |
foreach ($template_types as $type) { |
| 991 |
$cached_templates = get_transient("jltma_templates_{$type}"); |
| 992 |
if ($cached_templates && is_array($cached_templates)) { |
| 993 |
$kit_count += count($cached_templates); |
| 994 |
} |
| 995 |
} |
| 996 |
} |
| 997 |
|
| 998 |
return $kit_count; |
| 999 |
} |
| 1000 |
|
| 1001 |
/** |
| 1002 |
* Get directory size in bytes |
| 1003 |
*/ |
| 1004 |
private function get_directory_size($dir) |
| 1005 |
{ |
| 1006 |
$size = 0; |
| 1007 |
if (file_exists($dir)) { |
| 1008 |
foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS)) as $file) { |
| 1009 |
if ($file->isFile()) { |
| 1010 |
$size += $file->getSize(); |
| 1011 |
} |
| 1012 |
} |
| 1013 |
} |
| 1014 |
return $size; |
| 1015 |
} |
| 1016 |
|
| 1017 |
/** |
| 1018 |
* Check if file cache is available |
| 1019 |
*/ |
| 1020 |
private function is_file_cache_available() |
| 1021 |
{ |
| 1022 |
return file_exists($this->cache_dir) && is_writable($this->cache_dir); |
| 1023 |
} |
| 1024 |
|
| 1025 |
/** |
| 1026 |
* Get cached templates using transients (fallback method) |
| 1027 |
*/ |
| 1028 |
private function get_transient_cached_templates($tab, $force_refresh = false) |
| 1029 |
{ |
| 1030 |
$transient_key = "jltma_templates_{$tab}"; |
| 1031 |
$meta_transient_key = "jltma_templates_{$tab}_meta"; |
| 1032 |
|
| 1033 |
// Check if cache exists and is valid |
| 1034 |
if (!$force_refresh) { |
| 1035 |
$cached_meta = get_transient($meta_transient_key); |
| 1036 |
if ($cached_meta && (time() - $cached_meta['timestamp']) < $this->cache_expiry) { |
| 1037 |
$cached_data = get_transient($transient_key); |
| 1038 |
if ($cached_data !== false) { |
| 1039 |
// Update thumbnail URLs to use cache folder first for transient cached templates |
| 1040 |
foreach ($cached_data as &$template) { |
| 1041 |
$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 1042 |
if ($cached_thumbnail) { |
| 1043 |
$template['thumbnail'] = $cached_thumbnail; |
| 1044 |
} |
| 1045 |
} |
| 1046 |
return $cached_data; |
| 1047 |
} |
| 1048 |
} |
| 1049 |
} |
| 1050 |
|
| 1051 |
// Fetch fresh data from remote API |
| 1052 |
$fresh_data = $this->fetch_remote_templates($tab); |
| 1053 |
|
| 1054 |
if ($fresh_data !== false) { |
| 1055 |
// Update thumbnail URLs to use cache folder first for fresh transient templates |
| 1056 |
foreach ($fresh_data as &$template) { |
| 1057 |
$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 1058 |
if ($cached_thumbnail) { |
| 1059 |
$template['thumbnail'] = $cached_thumbnail; |
| 1060 |
} |
| 1061 |
} |
| 1062 |
|
| 1063 |
// Cache the data using transients |
| 1064 |
set_transient($transient_key, $fresh_data, $this->cache_expiry); |
| 1065 |
set_transient($meta_transient_key, ['timestamp' => time()], $this->cache_expiry); |
| 1066 |
|
| 1067 |
return $fresh_data; |
| 1068 |
} |
| 1069 |
|
| 1070 |
// Return cached data even if expired |
| 1071 |
$fallback_transient_data = get_transient($transient_key); |
| 1072 |
if ($fallback_transient_data !== false) { |
| 1073 |
// Update thumbnail URLs to use cache folder first for expired transient templates |
| 1074 |
foreach ($fallback_transient_data as &$template) { |
| 1075 |
$cached_thumbnail = $this->get_kit_thumbnail_url('', $template['title'], $template['thumbnail']); |
| 1076 |
if ($cached_thumbnail) { |
| 1077 |
$template['thumbnail'] = $cached_thumbnail; |
| 1078 |
} |
| 1079 |
} |
| 1080 |
} |
| 1081 |
return $fallback_transient_data; |
| 1082 |
} |
| 1083 |
|
| 1084 |
/** |
| 1085 |
* Get cached categories using transients (fallback method) |
| 1086 |
*/ |
| 1087 |
private function get_transient_cached_categories($tab, $force_refresh = false) |
| 1088 |
{ |
| 1089 |
$transient_key = "jltma_categories_{$tab}"; |
| 1090 |
$meta_transient_key = "jltma_categories_{$tab}_meta"; |
| 1091 |
|
| 1092 |
if (!$force_refresh) { |
| 1093 |
$cached_meta = get_transient($meta_transient_key); |
| 1094 |
if ($cached_meta && (time() - $cached_meta['timestamp']) < $this->cache_expiry) { |
| 1095 |
$cached_data = get_transient($transient_key); |
| 1096 |
if ($cached_data !== false) { |
| 1097 |
return $cached_data; |
| 1098 |
} |
| 1099 |
} |
| 1100 |
} |
| 1101 |
|
| 1102 |
$fresh_data = $this->fetch_remote_categories($tab); |
| 1103 |
|
| 1104 |
if ($fresh_data !== false) { |
| 1105 |
set_transient($transient_key, $fresh_data, $this->cache_expiry); |
| 1106 |
set_transient($meta_transient_key, ['timestamp' => time()], $this->cache_expiry); |
| 1107 |
return $fresh_data; |
| 1108 |
} |
| 1109 |
|
| 1110 |
return get_transient($transient_key); |
| 1111 |
} |
| 1112 |
|
| 1113 |
/** |
| 1114 |
* Get cached keywords using transients (fallback method) |
| 1115 |
*/ |
| 1116 |
private function get_transient_cached_keywords($tab, $force_refresh = false) |
| 1117 |
{ |
| 1118 |
$transient_key = "jltma_keywords_{$tab}"; |
| 1119 |
$meta_transient_key = "jltma_keywords_{$tab}_meta"; |
| 1120 |
|
| 1121 |
if (!$force_refresh) { |
| 1122 |
$cached_meta = get_transient($meta_transient_key); |
| 1123 |
if ($cached_meta && (time() - $cached_meta['timestamp']) < $this->cache_expiry) { |
| 1124 |
$cached_data = get_transient($transient_key); |
| 1125 |
if ($cached_data !== false) { |
| 1126 |
return $cached_data; |
| 1127 |
} |
| 1128 |
} |
| 1129 |
} |
| 1130 |
|
| 1131 |
$fresh_data = $this->fetch_remote_keywords($tab); |
| 1132 |
|
| 1133 |
if ($fresh_data !== false) { |
| 1134 |
set_transient($transient_key, $fresh_data, $this->cache_expiry); |
| 1135 |
set_transient($meta_transient_key, ['timestamp' => time()], $this->cache_expiry); |
| 1136 |
return $fresh_data; |
| 1137 |
} |
| 1138 |
|
| 1139 |
return get_transient($transient_key); |
| 1140 |
} |
| 1141 |
|
| 1142 |
/** |
| 1143 |
* Clear transient cache (fallback method) |
| 1144 |
*/ |
| 1145 |
private function clear_transient_cache() |
| 1146 |
{ |
| 1147 |
$template_types = ['master_section', 'master_pages', 'master_popups', 'master_headers', 'master_footers']; |
| 1148 |
|
| 1149 |
foreach ($template_types as $tab) { |
| 1150 |
delete_transient("jltma_templates_{$tab}"); |
| 1151 |
delete_transient("jltma_templates_{$tab}_meta"); |
| 1152 |
delete_transient("jltma_categories_{$tab}"); |
| 1153 |
delete_transient("jltma_categories_{$tab}_meta"); |
| 1154 |
delete_transient("jltma_keywords_{$tab}"); |
| 1155 |
delete_transient("jltma_keywords_{$tab}_meta"); |
| 1156 |
} |
| 1157 |
} |
| 1158 |
|
| 1159 |
/** |
| 1160 |
* Preload popular templates in background |
| 1161 |
*/ |
| 1162 |
public function preload_popular_templates() |
| 1163 |
{ |
| 1164 |
$popular_tabs = ['master_section', 'master_headers']; |
| 1165 |
|
| 1166 |
foreach ($popular_tabs as $tab) { |
| 1167 |
if (!get_transient("jltma_preload_{$tab}")) { |
| 1168 |
wp_schedule_single_event(time() + 60, 'jltma_background_preload', [$tab]); |
| 1169 |
set_transient("jltma_preload_{$tab}", true, HOUR_IN_SECONDS); |
| 1170 |
} |
| 1171 |
} |
| 1172 |
} |
| 1173 |
|
| 1174 |
/** |
| 1175 |
* Background preload handler (callback for jltma_background_preload action) |
| 1176 |
* |
| 1177 |
* @param string $tab Template tab to preload |
| 1178 |
*/ |
| 1179 |
public function do_background_preload($tab) |
| 1180 |
{ |
| 1181 |
if (!empty($tab)) { |
| 1182 |
$this->get_cached_templates($tab, true); |
| 1183 |
} |
| 1184 |
} |
| 1185 |
|
| 1186 |
/** |
| 1187 |
* AJAX handler for cache preloading |
| 1188 |
*/ |
| 1189 |
public function preload_cache_ajax() |
| 1190 |
{ |
| 1191 |
if (!current_user_can('manage_options')) { |
| 1192 |
wp_die(-1); |
| 1193 |
} |
| 1194 |
|
| 1195 |
if (!check_ajax_referer('jltma_preload_cache_nonce', 'security', false)) { |
| 1196 |
wp_die(-1); |
| 1197 |
} |
| 1198 |
|
| 1199 |
$tab = sanitize_text_field( wp_unslash( $_POST['tab'] ?? '' ) ); |
| 1200 |
|
| 1201 |
if (empty($tab)) { |
| 1202 |
wp_send_json_error('Invalid tab'); |
| 1203 |
} |
| 1204 |
|
| 1205 |
// Preload in background |
| 1206 |
$this->get_cached_templates($tab, true); |
| 1207 |
|
| 1208 |
wp_send_json_success('Cache preloaded for ' . $tab); |
| 1209 |
} |
| 1210 |
|
| 1211 |
/** |
| 1212 |
* Get singleton instance |
| 1213 |
*/ |
| 1214 |
public static function get_instance() |
| 1215 |
{ |
| 1216 |
if (self::$instance === null) { |
| 1217 |
self::$instance = new self(); |
| 1218 |
} |
| 1219 |
return self::$instance; |
| 1220 |
} |
| 1221 |
} |
| 1222 |
|
| 1223 |
// Initialize templates cache manager |
| 1224 |
Template_Library_Cache::get_instance(); |
| 1225 |
|
