| 1 |
<?php |
| 2 |
|
| 3 |
namespace Yatra\Migration; |
| 4 |
|
| 5 |
use Yatra\Database\Tables\TripItineraryDaysTable; |
| 6 |
use Yatra\Database\Tables\TripItineraryDayEntryTable; |
| 7 |
use Yatra\Utils\Logger; |
| 8 |
|
| 9 |
/** |
| 10 |
* Itinerary Migration - Migrate trip itineraries from old Yatra versions |
| 11 |
* |
| 12 |
* This class migrates itinerary data from old tour posts to the new itinerary structure. |
| 13 |
* It handles various old itinerary data formats and converts them to the new |
| 14 |
* yatra_trip_itinerary_days and yatra_trip_itinerary_entries tables. |
| 15 |
*/ |
| 16 |
class ItineraryMigration extends BaseMigration |
| 17 |
{ |
| 18 |
public function __construct(MigrationProgress $service) |
| 19 |
{ |
| 20 |
parent::__construct($service); |
| 21 |
} |
| 22 |
|
| 23 |
/** |
| 24 |
* Run the itinerary migration |
| 25 |
*/ |
| 26 |
public function run(): array |
| 27 |
{ |
| 28 |
// CRITICAL DEBUG: Log immediately to see if this method is called |
| 29 |
$migrated = 0; |
| 30 |
$skipped = 0; |
| 31 |
$failed = 0; |
| 32 |
|
| 33 |
try { |
| 34 |
// Get all old tours that have been migrated to new trips |
| 35 |
$oldToursWithItinerary = $this->getOldToursWithItinerary(); |
| 36 |
$total = count($oldToursWithItinerary); |
| 37 |
|
| 38 |
Logger::info("Itinerary Migration: Starting migration", [ |
| 39 |
'total_tours_with_itinerary' => $total, |
| 40 |
'force_migration' => $this->service->isForceMigration() |
| 41 |
]); |
| 42 |
|
| 43 |
foreach ($oldToursWithItinerary as $oldTour) { |
| 44 |
try { |
| 45 |
// Get the new trip ID from migration mapping |
| 46 |
$newTripId = $this->getMigratedTripId($oldTour->ID); |
| 47 |
|
| 48 |
if (!$newTripId) { |
| 49 |
Logger::info("Tour not migrated yet, skipping itinerary", [ |
| 50 |
'old_tour_id' => $oldTour->ID, |
| 51 |
'tour_title' => $oldTour->post_title |
| 52 |
]); |
| 53 |
$skipped++; |
| 54 |
continue; |
| 55 |
} |
| 56 |
|
| 57 |
// Check if itinerary already exists for this trip (skip for normal migration) |
| 58 |
if (!$this->service->isForceMigration() && $this->hasItinerary($newTripId)) { |
| 59 |
Logger::info("Itinerary already exists, skipping", [ |
| 60 |
'trip_id' => $newTripId, |
| 61 |
'old_tour_id' => $oldTour->ID |
| 62 |
]); |
| 63 |
$skipped++; |
| 64 |
continue; |
| 65 |
} |
| 66 |
|
| 67 |
// During force migration, we delete existing itinerary and recreate |
| 68 |
if ($this->service->isForceMigration() && $this->hasItinerary($newTripId)) { |
| 69 |
Logger::info("Force migration: deleting existing itinerary", [ |
| 70 |
'trip_id' => $newTripId, |
| 71 |
'old_tour_id' => $oldTour->ID |
| 72 |
]); |
| 73 |
$this->deleteTripItinerary($newTripId); |
| 74 |
} |
| 75 |
|
| 76 |
// Extract and migrate itinerary data |
| 77 |
$itineraryData = $this->extractItineraryData($oldTour->ID); |
| 78 |
|
| 79 |
if (empty($itineraryData)) { |
| 80 |
Logger::info("No itinerary data found for tour", [ |
| 81 |
'old_tour_id' => $oldTour->ID, |
| 82 |
'tour_title' => $oldTour->post_title |
| 83 |
]); |
| 84 |
$skipped++; |
| 85 |
continue; |
| 86 |
} |
| 87 |
|
| 88 |
// Create itinerary in new structure |
| 89 |
$result = $this->createItinerary($newTripId, $itineraryData, $oldTour->ID); |
| 90 |
|
| 91 |
if ($result) { |
| 92 |
$migrated++; |
| 93 |
Logger::info("Itinerary migrated successfully", [ |
| 94 |
'trip_id' => $newTripId, |
| 95 |
'old_tour_id' => $oldTour->ID, |
| 96 |
'tour_title' => $oldTour->post_title, |
| 97 |
'days_count' => count($itineraryData) |
| 98 |
]); |
| 99 |
} else { |
| 100 |
$failed++; |
| 101 |
Logger::error("Failed to migrate itinerary", [ |
| 102 |
'trip_id' => $newTripId, |
| 103 |
'old_tour_id' => $oldTour->ID |
| 104 |
]); |
| 105 |
} |
| 106 |
|
| 107 |
} catch (\Exception $e) { |
| 108 |
$failed++; |
| 109 |
Logger::error("Exception during itinerary migration", [ |
| 110 |
'old_tour_id' => $oldTour->ID, |
| 111 |
'error' => $e->getMessage(), |
| 112 |
'trace' => $e->getTraceAsString() |
| 113 |
]); |
| 114 |
} |
| 115 |
} |
| 116 |
|
| 117 |
Logger::info("Itinerary Migration: Completed", [ |
| 118 |
'migrated' => $migrated, |
| 119 |
'skipped' => $skipped, |
| 120 |
'failed' => $failed, |
| 121 |
'total' => $total, |
| 122 |
'force_migration' => $this->service->isForceMigration() |
| 123 |
]); |
| 124 |
|
| 125 |
return compact('migrated', 'skipped', 'failed', 'total'); |
| 126 |
|
| 127 |
} catch (\Exception $e) { |
| 128 |
Logger::error("Itinerary Migration failed", [ |
| 129 |
'error' => $e->getMessage(), |
| 130 |
'trace' => $e->getTraceAsString() |
| 131 |
]); |
| 132 |
|
| 133 |
return [ |
| 134 |
'migrated' => $migrated, |
| 135 |
'skipped' => $skipped, |
| 136 |
'failed' => $failed + 1, |
| 137 |
'total' => $total ?? 0 |
| 138 |
]; |
| 139 |
} |
| 140 |
} |
| 141 |
|
| 142 |
/** |
| 143 |
* Get old tours that might have itinerary data. |
| 144 |
* |
| 145 |
* Uses an efficient SQL query with EXISTS to find only tours that |
| 146 |
* actually have itinerary-related meta keys, instead of loading |
| 147 |
* all meta for every tour and filtering in PHP. |
| 148 |
*/ |
| 149 |
private function getOldToursWithItinerary(): array |
| 150 |
{ |
| 151 |
// Known itinerary meta keys from old Yatra versions |
| 152 |
$itineraryKeys = [ |
| 153 |
'itinerary_repeator', |
| 154 |
'itinerary_label', |
| 155 |
'yatra_tour_itinerary', |
| 156 |
'yatra_tour_meta_itinerary', |
| 157 |
'yatra_itinerary', |
| 158 |
'tour_itinerary', |
| 159 |
'yatra_tour_days', |
| 160 |
'yatra_tour_meta_days', |
| 161 |
'yatra_days', |
| 162 |
'tour_days', |
| 163 |
'yatra_tour_schedule', |
| 164 |
'yatra_tour_meta_schedule', |
| 165 |
'yatra_schedule', |
| 166 |
'tour_schedule', |
| 167 |
]; |
| 168 |
|
| 169 |
$placeholders = implode(',', array_fill(0, count($itineraryKeys), '%s')); |
| 170 |
|
| 171 |
// Single efficient SQL query: only return tours with itinerary meta |
| 172 |
$sql = $this->wpdb->prepare( |
| 173 |
"SELECT DISTINCT p.* |
| 174 |
FROM {$this->wpdb->posts} p |
| 175 |
INNER JOIN {$this->wpdb->postmeta} pm ON p.ID = pm.post_id |
| 176 |
WHERE p.post_type = 'tour' |
| 177 |
AND p.post_status IN ('publish', 'draft', 'pending', 'private') |
| 178 |
AND pm.meta_key IN ({$placeholders}) |
| 179 |
AND pm.meta_value != '' |
| 180 |
AND pm.meta_value IS NOT NULL", |
| 181 |
...$itineraryKeys |
| 182 |
); |
| 183 |
|
| 184 |
$tours = $this->wpdb->get_results($sql); |
| 185 |
|
| 186 |
Logger::info("Itinerary Migration: Found tours with itinerary meta", [ |
| 187 |
'total_tours_with_itinerary' => count($tours), |
| 188 |
]); |
| 189 |
|
| 190 |
return $tours; |
| 191 |
} |
| 192 |
|
| 193 |
/** |
| 194 |
* Extract itinerary data from old tour meta |
| 195 |
*/ |
| 196 |
private function extractItineraryData(int $oldTourId): array |
| 197 |
{ |
| 198 |
$meta = $this->getPostMeta($oldTourId); |
| 199 |
$itineraryData = []; |
| 200 |
|
| 201 |
// Try different possible meta keys for itinerary data |
| 202 |
$itineraryKeys = [ |
| 203 |
'itinerary_repeator', // This is the actual key found in the database |
| 204 |
'itinerary_label', |
| 205 |
'yatra_tour_itinerary', |
| 206 |
'yatra_tour_meta_itinerary', |
| 207 |
'yatra_itinerary', |
| 208 |
'tour_itinerary' |
| 209 |
]; |
| 210 |
|
| 211 |
foreach ($itineraryKeys as $key) { |
| 212 |
if (!empty($meta[$key])) { |
| 213 |
$itineraryData = $this->parseItineraryData($meta[$key]); |
| 214 |
if (!empty($itineraryData)) { |
| 215 |
break; |
| 216 |
} |
| 217 |
} |
| 218 |
} |
| 219 |
|
| 220 |
// If no structured data found, try to parse from content |
| 221 |
if (empty($itineraryData)) { |
| 222 |
$tour = get_post($oldTourId); |
| 223 |
if ($tour) { |
| 224 |
$itineraryData = $this->parseItineraryFromContent($tour->post_content); |
| 225 |
} |
| 226 |
} |
| 227 |
|
| 228 |
return $itineraryData; |
| 229 |
} |
| 230 |
|
| 231 |
/** |
| 232 |
* Parse itinerary data from meta value |
| 233 |
*/ |
| 234 |
private function parseItineraryData($itineraryData): array |
| 235 |
{ |
| 236 |
$parsed = []; |
| 237 |
|
| 238 |
// Handle different data formats |
| 239 |
if (is_string($itineraryData)) { |
| 240 |
// Itinerary meta is only ever expected to hold scalars/arrays. Forbid object |
| 241 |
// instantiation so a crafted serialized payload in legacy post meta cannot trigger |
| 242 |
// PHP object-injection / __destruct gadget chains during migration. |
| 243 |
$unserialized = false; |
| 244 |
if ($itineraryData !== '' && (str_starts_with($itineraryData, 'a:') || str_starts_with($itineraryData, 's:'))) { |
| 245 |
set_error_handler(static function (): bool { return true; }); // suppress unserialize notices |
| 246 |
try { |
| 247 |
$unserialized = unserialize($itineraryData, ['allowed_classes' => false]); |
| 248 |
} finally { |
| 249 |
restore_error_handler(); |
| 250 |
} |
| 251 |
} |
| 252 |
|
| 253 |
if ($unserialized !== false) { |
| 254 |
$itineraryData = $unserialized; |
| 255 |
} else { |
| 256 |
// Try to decode JSON. Don't suppress with @ — log decode errors so silent data loss is visible. |
| 257 |
$decoded = json_decode($itineraryData, true); |
| 258 |
if (json_last_error() === JSON_ERROR_NONE && $decoded !== null) { |
| 259 |
$itineraryData = $decoded; |
| 260 |
} |
| 261 |
} |
| 262 |
} |
| 263 |
|
| 264 |
// Handle the specific itinerary_repeator structure |
| 265 |
if (is_array($itineraryData) && isset($itineraryData['itinerary_heading'])) { |
| 266 |
$headings = $itineraryData['itinerary_heading'] ?? []; |
| 267 |
$titles = $itineraryData['itinerary_title'] ?? []; |
| 268 |
$details = $itineraryData['itinerary_details'] ?? []; |
| 269 |
|
| 270 |
$maxDays = max(count($headings), count($titles), count($details)); |
| 271 |
|
| 272 |
for ($i = 0; $i < $maxDays; $i++) { |
| 273 |
$dayTitle = !empty($titles[$i]) ? $titles[$i] : $headings[$i] ?? ''; |
| 274 |
$dayDescription = $details[$i] ?? ''; |
| 275 |
|
| 276 |
if (!empty($dayTitle) || !empty($dayDescription)) { |
| 277 |
$parsed[] = [ |
| 278 |
'day_number' => $i + 1, |
| 279 |
'title' => sanitize_text_field($dayTitle), |
| 280 |
'description' => wp_kses_post($dayDescription), |
| 281 |
'entries' => [] // No separate entries in this format |
| 282 |
]; |
| 283 |
} |
| 284 |
} |
| 285 |
} |
| 286 |
// Handle generic array format |
| 287 |
elseif (is_array($itineraryData)) { |
| 288 |
foreach ($itineraryData as $dayData) { |
| 289 |
if (is_array($dayData) && !empty($dayData['title'])) { |
| 290 |
$parsed[] = [ |
| 291 |
'day_number' => intval($dayData['day'] ?? $dayData['day_number'] ?? (count($parsed) + 1)), |
| 292 |
'title' => sanitize_text_field($dayData['title'] ?? $dayData['day_title'] ?? ''), |
| 293 |
'description' => wp_kses_post($dayData['description'] ?? $dayData['content'] ?? ''), |
| 294 |
'entries' => $this->parseDayEntries($dayData['entries'] ?? $dayData['activities'] ?? []) |
| 295 |
]; |
| 296 |
} |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
return $parsed; |
| 301 |
} |
| 302 |
|
| 303 |
/** |
| 304 |
* Parse day entries/activities |
| 305 |
*/ |
| 306 |
private function parseDayEntries($entries): array |
| 307 |
{ |
| 308 |
$parsedEntries = []; |
| 309 |
|
| 310 |
if (!is_array($entries)) { |
| 311 |
return $parsedEntries; |
| 312 |
} |
| 313 |
|
| 314 |
foreach ($entries as $entry) { |
| 315 |
if (is_array($entry) && !empty($entry['title'])) { |
| 316 |
$parsedEntries[] = [ |
| 317 |
'title' => sanitize_text_field($entry['title'] ?? $entry['activity'] ?? ''), |
| 318 |
'description' => wp_kses_post($entry['description'] ?? $entry['content'] ?? ''), |
| 319 |
'time' => sanitize_text_field($entry['time'] ?? $entry['time_of_day'] ?? ''), |
| 320 |
'start_time' => sanitize_text_field($entry['start_time'] ?? ''), |
| 321 |
'end_time' => sanitize_text_field($entry['end_time'] ?? ''), |
| 322 |
'location' => sanitize_text_field($entry['location'] ?? ''), |
| 323 |
'order' => intval($entry['order'] ?? count($parsedEntries)), |
| 324 |
'item_type_id' => null, // Will be set to default activity type |
| 325 |
'item_id' => null |
| 326 |
]; |
| 327 |
} |
| 328 |
} |
| 329 |
|
| 330 |
return $parsedEntries; |
| 331 |
} |
| 332 |
|
| 333 |
/** |
| 334 |
* Parse itinerary from tour content (fallback method) |
| 335 |
*/ |
| 336 |
private function parseItineraryFromContent(string $content): array |
| 337 |
{ |
| 338 |
$itinerary = []; |
| 339 |
|
| 340 |
// Simple regex to extract day-based content |
| 341 |
// This is a basic implementation - can be enhanced based on actual content structure |
| 342 |
preg_match_all('/(?:Day\s*(\d+)|(\d+)\.\s*Day)[\s:]*([^\n]*(?:\n(?!Day|\d+\.)[^\n]*)*)/i', $content, $matches, PREG_SET_ORDER); |
| 343 |
|
| 344 |
foreach ($matches as $match) { |
| 345 |
$dayNumber = intval($match[1] ?: $match[2]); |
| 346 |
$dayContent = trim($match[3] ?? ''); |
| 347 |
|
| 348 |
if ($dayNumber > 0 && !empty($dayContent)) { |
| 349 |
// Extract title from first line |
| 350 |
$lines = explode("\n", $dayContent); |
| 351 |
$title = trim($lines[0] ?? "Day $dayNumber"); |
| 352 |
$description = trim(implode("\n", array_slice($lines, 1))); |
| 353 |
|
| 354 |
$itinerary[] = [ |
| 355 |
'day_number' => $dayNumber, |
| 356 |
'title' => sanitize_text_field($title), |
| 357 |
'description' => wp_kses_post($description), |
| 358 |
'entries' => [] |
| 359 |
]; |
| 360 |
} |
| 361 |
} |
| 362 |
|
| 363 |
return $itinerary; |
| 364 |
} |
| 365 |
|
| 366 |
/** |
| 367 |
* Clean day title and description by removing "Day {index} -" pattern |
| 368 |
*/ |
| 369 |
private function cleanDayData(string $title, string $description): array |
| 370 |
{ |
| 371 |
// Decode entities so non-breaking spaces or dashed become native characters |
| 372 |
$title = html_entity_decode(trim($title), ENT_QUOTES, 'UTF-8'); |
| 373 |
$description = html_entity_decode(trim($description), ENT_QUOTES, 'UTF-8'); |
| 374 |
|
| 375 |
// Remove "Day X -", "Day X :", "Day {index} -" pattern from title and description |
| 376 |
// Matches literal "{index}" as well, just in case the old JS templates saved it to the DB. |
| 377 |
$pattern = '/^Day[\s\xA0]*(\d+|\{index\})[\s\xA0]*[-:–—]*[\s\xA0]*/iu'; |
| 378 |
|
| 379 |
$cleanTitle = preg_replace($pattern, '', $title); |
| 380 |
$cleanDescription = preg_replace($pattern, '', $description); |
| 381 |
|
| 382 |
return [ |
| 383 |
'title' => trim($cleanTitle), |
| 384 |
'description' => trim($cleanDescription) |
| 385 |
]; |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Create itinerary in new structure |
| 390 |
*/ |
| 391 |
private function createItinerary(int $tripId, array $itineraryData, int $oldTourId): bool |
| 392 |
{ |
| 393 |
try { |
| 394 |
$tableDays = TripItineraryDaysTable::getTableName(); |
| 395 |
$tableEntries = TripItineraryDayEntryTable::getTableName(); |
| 396 |
|
| 397 |
// Get current user ID for tracking |
| 398 |
$currentUserId = get_current_user_id(); |
| 399 |
if (!$currentUserId) { |
| 400 |
$currentUserId = 1; // Fallback to admin |
| 401 |
} |
| 402 |
|
| 403 |
foreach ($itineraryData as $dayData) { |
| 404 |
// Clean day title and description |
| 405 |
$cleanedData = $this->cleanDayData($dayData['title'], $dayData['description']); |
| 406 |
|
| 407 |
// Create day |
| 408 |
$dayResult = $this->wpdb->insert( |
| 409 |
$tableDays, |
| 410 |
[ |
| 411 |
'trip_id' => $tripId, |
| 412 |
'day_number' => $dayData['day_number'], |
| 413 |
'title' => $cleanedData['title'], |
| 414 |
'description' => $cleanedData['description'], |
| 415 |
'order' => $dayData['day_number'] - 1, |
| 416 |
'created_at' => current_time('mysql'), |
| 417 |
'updated_at' => current_time('mysql') |
| 418 |
], |
| 419 |
['%d', '%d', '%s', '%s', '%d', '%s', '%s'] |
| 420 |
); |
| 421 |
|
| 422 |
if (!$dayResult) { |
| 423 |
Logger::error("Failed to create itinerary day", [ |
| 424 |
'trip_id' => $tripId, |
| 425 |
'day_number' => $dayData['day_number'], |
| 426 |
'wpdb_error' => $this->wpdb->last_error |
| 427 |
]); |
| 428 |
continue; |
| 429 |
} |
| 430 |
|
| 431 |
$dayId = $this->wpdb->insert_id; |
| 432 |
|
| 433 |
// Create entries for this day |
| 434 |
foreach ($dayData['entries'] as $entryData) { |
| 435 |
$cleanedEntry = $this->cleanDayData($entryData['title'], $entryData['description']); |
| 436 |
$entryResult = $this->wpdb->insert( |
| 437 |
$tableEntries, |
| 438 |
[ |
| 439 |
'trip_id' => $tripId, |
| 440 |
'day_id' => $dayId, |
| 441 |
'title' => $cleanedEntry['title'], |
| 442 |
'description' => $cleanedEntry['description'], |
| 443 |
'time' => $entryData['time'], |
| 444 |
'start_time' => $entryData['start_time'], |
| 445 |
'end_time' => $entryData['end_time'], |
| 446 |
'location' => $entryData['location'], |
| 447 |
'item_type_id' => $entryData['item_type_id'], |
| 448 |
'item_id' => $entryData['item_id'], |
| 449 |
'status' => 'publish', |
| 450 |
'order' => $entryData['order'], |
| 451 |
'created_at' => current_time('mysql'), |
| 452 |
'updated_at' => current_time('mysql') |
| 453 |
], |
| 454 |
['%d', '%d', '%s', '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%s', '%s'] |
| 455 |
); |
| 456 |
|
| 457 |
if (!$entryResult) { |
| 458 |
Logger::error("Failed to create itinerary entry", [ |
| 459 |
'trip_id' => $tripId, |
| 460 |
'day_id' => $dayId, |
| 461 |
'entry_title' => $entryData['title'], |
| 462 |
'wpdb_error' => $this->wpdb->last_error |
| 463 |
]); |
| 464 |
} |
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
Logger::info("Itinerary created successfully", [ |
| 469 |
'trip_id' => $tripId, |
| 470 |
'old_tour_id' => $oldTourId, |
| 471 |
'days_created' => count($itineraryData) |
| 472 |
]); |
| 473 |
|
| 474 |
return true; |
| 475 |
|
| 476 |
} catch (\Exception $e) { |
| 477 |
Logger::error("Exception creating itinerary", [ |
| 478 |
'trip_id' => $tripId, |
| 479 |
'old_tour_id' => $oldTourId, |
| 480 |
'error' => $e->getMessage() |
| 481 |
]); |
| 482 |
return false; |
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
/** |
| 487 |
* Check if trip already has itinerary |
| 488 |
*/ |
| 489 |
private function hasItinerary(int $tripId): bool |
| 490 |
{ |
| 491 |
$tableDays = TripItineraryDaysTable::getTableName(); |
| 492 |
|
| 493 |
$count = (int) $this->wpdb->get_var($this->wpdb->prepare( |
| 494 |
"SELECT COUNT(*) FROM {$tableDays} WHERE trip_id = %d", |
| 495 |
$tripId |
| 496 |
)); |
| 497 |
|
| 498 |
return $count > 0; |
| 499 |
} |
| 500 |
|
| 501 |
/** |
| 502 |
* Delete existing itinerary for a trip |
| 503 |
*/ |
| 504 |
private function deleteTripItinerary(int $tripId): void |
| 505 |
{ |
| 506 |
$tableDays = TripItineraryDaysTable::getTableName(); |
| 507 |
$tableEntries = TripItineraryDayEntryTable::getTableName(); |
| 508 |
|
| 509 |
// Delete entries first (foreign key constraint) |
| 510 |
$this->wpdb->delete($tableEntries, ['trip_id' => $tripId], ['%d']); |
| 511 |
|
| 512 |
// Delete days |
| 513 |
$this->wpdb->delete($tableDays, ['trip_id' => $tripId], ['%d']); |
| 514 |
} |
| 515 |
|
| 516 |
/** |
| 517 |
* Get migrated trip ID from old tour ID |
| 518 |
*/ |
| 519 |
protected function getMigratedTripId(int $oldTourId): ?int |
| 520 |
{ |
| 521 |
$tripId = $this->wpdb->get_var($this->wpdb->prepare( |
| 522 |
"SELECT meta_value FROM {$this->wpdb->postmeta} |
| 523 |
WHERE meta_key = '_migrated_to_trip_id' AND post_id = %d", |
| 524 |
$oldTourId |
| 525 |
)); |
| 526 |
|
| 527 |
return $tripId ? (int) $tripId : null; |
| 528 |
} |
| 529 |
} |
| 530 |
|
