| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace Yatra\Services; |
| 6 |
|
| 7 |
use Yatra\Services\SettingsService; |
| 8 |
|
| 9 |
/** |
| 10 |
* SEO Service |
| 11 |
* |
| 12 |
* Production-ready centralized SEO management for all Yatra pages |
| 13 |
* Handles meta tags, Open Graph, Twitter Cards, and Schema markup |
| 14 |
* Follows SOLID principles for extensibility and maintainability |
| 15 |
* |
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* @package Yatra\Services |
| 17 |
*/ |
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class SEOService |
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{ |
| 20 |
/** |
| 21 |
* Page types supported by SEO service |
| 22 |
*/ |
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public const PAGE_TYPE_TRIP = 'trip'; |
| 24 |
public const PAGE_TYPE_TRIP_ARCHIVE = 'trip_archive'; |
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public const PAGE_TYPE_DESTINATION = 'destination'; |
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public const PAGE_TYPE_ACTIVITY = 'activity'; |
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public const PAGE_TYPE_CATEGORY = 'category'; |
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/** Browse-all index: /destination/, /activity/, /trip-category/ (and plain ?yatra_page=). */ |
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public const PAGE_TYPE_DESTINATION_LISTING = 'destination_listing'; |
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public const PAGE_TYPE_ACTIVITY_LISTING = 'activity_listing'; |
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public const PAGE_TYPE_CATEGORY_LISTING = 'category_listing'; |
| 32 |
|
| 33 |
/** |
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* Valid page types for validation |
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*/ |
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private const VALID_PAGE_TYPES = [ |
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self::PAGE_TYPE_TRIP, |
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self::PAGE_TYPE_TRIP_ARCHIVE, |
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self::PAGE_TYPE_DESTINATION, |
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self::PAGE_TYPE_ACTIVITY, |
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self::PAGE_TYPE_CATEGORY, |
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self::PAGE_TYPE_DESTINATION_LISTING, |
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self::PAGE_TYPE_ACTIVITY_LISTING, |
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self::PAGE_TYPE_CATEGORY_LISTING, |
| 45 |
]; |
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|
| 47 |
/** |
| 48 |
* Cache key prefix |
| 49 |
*/ |
| 50 |
private const CACHE_KEY_PREFIX = 'yatra_seo_'; |
| 51 |
|
| 52 |
/** |
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* Cache expiration time (1 hour) |
| 54 |
*/ |
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private const CACHE_EXPIRATION = 3600; |
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|
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/** |
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* SEO data structure |
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*/ |
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private array $seoData = [ |
| 61 |
'title' => '', |
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'description' => '', |
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'keywords' => '', |
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'image' => '', |
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'url' => '', |
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'type' => '', |
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'published_time' => '', |
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'modified_time' => '', |
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'author' => '', |
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'publisher' => '', |
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]; |
| 72 |
|
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/** |
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* Current page context |
| 75 |
*/ |
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private string $pageType = ''; |
| 77 |
private $pageObject = null; |
| 78 |
|
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/** |
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* Instance cache for performance |
| 81 |
*/ |
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private static array $instanceCache = []; |
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|
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/** |
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* Get SEO instance for specific page type with caching and validation |
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* |
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* @param string $pageType The page type |
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* @param mixed $pageObject The page object (trip, destination, etc.) |
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* @return self SEO service instance |
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* @throws \InvalidArgumentException If page type is invalid |
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*/ |
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public static function forPage(string $pageType, $pageObject = null): self |
| 93 |
{ |
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// Validate page type |
| 95 |
if (!in_array($pageType, self::VALID_PAGE_TYPES, true)) { |
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throw new \InvalidArgumentException( |
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sprintf('Invalid page type "%s". Valid types: %s', |
| 98 |
$pageType, |
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implode(', ', self::VALID_PAGE_TYPES) |
| 100 |
) |
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); |
| 102 |
} |
| 103 |
|
| 104 |
// Generate cache key |
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$cacheKey = self::CACHE_KEY_PREFIX . md5($pageType . serialize($pageObject)); |
| 106 |
|
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// Check cache first |
| 108 |
if (isset(self::$instanceCache[$cacheKey])) { |
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return self::$instanceCache[$cacheKey]; |
| 110 |
} |
| 111 |
|
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// Create new instance |
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$instance = new self(); |
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$instance->pageType = $pageType; |
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$instance->pageObject = $pageObject; |
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|
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// Cache the instance |
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self::$instanceCache[$cacheKey] = $instance; |
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|
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return $instance; |
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} |
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|
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/** |
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* Generate and output all SEO meta tags with error handling |
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*/ |
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public function generateMetaTags(): void |
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{ |
| 128 |
try { |
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$this->collectSEOData(); |
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|
| 131 |
if (empty($this->seoData['url'])) { |
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$this->seoData['url'] = $this->getCurrentUrl(); |
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} |
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|
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$this->outputBasicMetaTags(); |
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$this->outputOpenGraphTags(); |
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$this->outputTwitterCardTags(); |
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$this->outputAdvancedMetaTags(); |
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$this->outputPaginationRelLinks(); |
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$this->outputSchemaMarkup(); |
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|
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} catch (\Exception $e) { |
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// Log error and fail gracefully |
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|
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// Output basic fallback meta tags |
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$this->outputFallbackMetaTags(); |
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} |
| 148 |
} |
| 149 |
|
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/** |
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* Get page title (for document_title filter) with error handling |
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* |
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* @return string The formatted page title |
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*/ |
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public function getTitle(): string |
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{ |
| 157 |
try { |
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$this->collectSEOData(); |
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$title = $this->sanitizeText($this->seoData['title'] ?? ''); |
| 160 |
|
| 161 |
if (!empty($title)) { |
| 162 |
return $title . ' - ' . $this->sanitizeText(get_bloginfo('name')); |
| 163 |
} |
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|
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return ''; |
| 166 |
} catch (\Exception $e) { |
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return ''; |
| 168 |
} |
| 169 |
} |
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|
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/** |
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* Canonical URL for the current HTTP request (og:url, link rel=canonical). |
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* Must not use the HTTP referer. |
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*/ |
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private function getCurrentUrl(): string |
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{ |
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if (!empty($_SERVER['HTTP_HOST'])) { |
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$https = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') |
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|| (!empty($_SERVER['SERVER_PORT']) && (string) $_SERVER['SERVER_PORT'] === '443') |
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|| (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) |
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&& strtolower((string) $_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https'); |
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$scheme = $https ? 'https' : 'http'; |
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$host = strtolower(\sanitize_text_field(\wp_unslash((string) $_SERVER['HTTP_HOST']))); |
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$uri = $_SERVER['REQUEST_URI'] ?? '/'; |
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$uri = \is_string($uri) && $uri !== '' ? $uri : '/'; |
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$url = $scheme . '://' . $host . $uri; |
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$validated = \filter_var($url, \FILTER_VALIDATE_URL); |
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if ($validated) { |
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return \esc_url_raw($validated); |
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} |
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} |
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|
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global $wp; |
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if (isset($wp->request) && \is_string($wp->request)) { |
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$base = \home_url(\user_trailingslashit($wp->request)); |
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if (!empty($_GET) && \is_array($_GET)) { |
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$base = \add_query_arg(\array_map('sanitize_text_field', \wp_unslash($_GET)), $base); |
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} |
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|
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return \esc_url_raw($base); |
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} |
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|
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return \home_url('/'); |
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} |
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|
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/** |
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* Output fallback meta tags in case of errors |
| 208 |
*/ |
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private function outputFallbackMetaTags(): void |
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{ |
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$title = $this->sanitizeText(get_bloginfo('name')); |
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$description = $this->sanitizeText(get_bloginfo('description')); |
| 213 |
|
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if (!empty($description)) { |
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echo '<meta name="description" content="' . esc_attr($description) . '">' . "\n"; |
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} |
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|
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echo '<meta property="og:title" content="' . esc_attr($title) . '">' . "\n"; |
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echo '<meta property="og:type" content="website">' . "\n"; |
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echo '<meta property="og:url" content="' . esc_url(home_url()) . '">' . "\n"; |
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echo '<meta name="twitter:card" content="summary">' . "\n"; |
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echo '<link rel="canonical" href="' . esc_url(home_url()) . '">' . "\n"; |
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} |
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|
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/** |
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* Sanitize text for SEO output |
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* |
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* @param string $text Text to sanitize |
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* @return string Sanitized text |
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*/ |
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private function sanitizeText(string $text): string |
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{ |
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return wp_strip_all_tags(strip_tags($text)); |
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} |
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|
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/** |
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* Expand SEO meta placeholders for taxonomy terms. |
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* |
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* The destination / activity / category meta forms tell the operator to |
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* "Use {name} as placeholder" in the meta title, description and keywords. |
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* Those values are stored verbatim (the term may be renamed later), so the |
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* token must be substituted here, at render time, with the term's name. |
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* No-op when the value contains no token, so plain values are untouched. |
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* |
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* @param string $value Stored meta value, possibly containing {name} |
| 246 |
* @param string $name Term name to substitute |
| 247 |
* @return string Value with {name} replaced |
| 248 |
*/ |
| 249 |
private function expandTermTokens(string $value, string $name): string |
| 250 |
{ |
| 251 |
if ($value === '' || strpos($value, '{') === false) { |
| 252 |
return $value; |
| 253 |
} |
| 254 |
|
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return str_replace(['{name}', '{Name}'], $name, $value); |
| 256 |
} |
| 257 |
|
| 258 |
/** |
| 259 |
* Validate and sanitize URL |
| 260 |
* |
| 261 |
* @param string $url URL to validate |
| 262 |
* @return string Validated URL |
| 263 |
*/ |
| 264 |
private function validateUrl(string $url): string |
| 265 |
{ |
| 266 |
return esc_url(filter_var($url, FILTER_VALIDATE_URL) ?: ''); |
| 267 |
} |
| 268 |
|
| 269 |
/** |
| 270 |
* Collect SEO data based on page type with error handling |
| 271 |
*/ |
| 272 |
private function collectSEOData(): void |
| 273 |
{ |
| 274 |
try { |
| 275 |
switch ($this->pageType) { |
| 276 |
case self::PAGE_TYPE_TRIP_ARCHIVE: |
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$this->collectTripArchiveData(); |
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break; |
| 279 |
case self::PAGE_TYPE_DESTINATION: |
| 280 |
$this->collectDestinationData(); |
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break; |
| 282 |
case self::PAGE_TYPE_ACTIVITY: |
| 283 |
$this->collectActivityData(); |
| 284 |
break; |
| 285 |
case self::PAGE_TYPE_CATEGORY: |
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$this->collectCategoryData(); |
| 287 |
break; |
| 288 |
case self::PAGE_TYPE_DESTINATION_LISTING: |
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$this->collectDestinationListingData(); |
| 290 |
break; |
| 291 |
case self::PAGE_TYPE_ACTIVITY_LISTING: |
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$this->collectActivityListingData(); |
| 293 |
break; |
| 294 |
case self::PAGE_TYPE_CATEGORY_LISTING: |
| 295 |
$this->collectCategoryListingData(); |
| 296 |
break; |
| 297 |
case self::PAGE_TYPE_TRIP: |
| 298 |
$this->collectTripData(); |
| 299 |
break; |
| 300 |
default: |
| 301 |
throw new \InvalidArgumentException("Unsupported page type: {$this->pageType}"); |
| 302 |
} |
| 303 |
} catch (\Exception $e) { |
| 304 |
|
| 305 |
// Set default values on error |
| 306 |
$this->setDefaultSEOData(); |
| 307 |
} |
| 308 |
} |
| 309 |
|
| 310 |
/** |
| 311 |
* Set default SEO data as fallback |
| 312 |
*/ |
| 313 |
private function setDefaultSEOData(): void |
| 314 |
{ |
| 315 |
$this->seoData = array_merge($this->seoData, [ |
| 316 |
'title' => get_bloginfo('name'), |
| 317 |
'description' => get_bloginfo('description'), |
| 318 |
'author' => get_bloginfo('name'), |
| 319 |
'publisher' => get_bloginfo('name'), |
| 320 |
'type' => 'website', |
| 321 |
'url' => $this->getCurrentUrl(), |
| 322 |
'published_time' => date('c'), |
| 323 |
'modified_time' => date('c'), |
| 324 |
]); |
| 325 |
} |
| 326 |
|
| 327 |
/** |
| 328 |
* Collect SEO data for trip archive page with validation |
| 329 |
*/ |
| 330 |
private function collectTripArchiveData(): void |
| 331 |
{ |
| 332 |
try { |
| 333 |
$this->seoData['title'] = $this->sanitizeText(SettingsService::getString('seo_trip_meta_title', '')); |
| 334 |
$this->seoData['description'] = $this->sanitizeText(SettingsService::getString('seo_trip_meta_description', '')); |
| 335 |
$this->seoData['keywords'] = $this->sanitizeText(SettingsService::getString('seo_trip_meta_keywords', '')); |
| 336 |
if ($this->seoData['title'] === '') { |
| 337 |
$this->seoData['title'] = $this->sanitizeText(\__('All Trips', 'yatra')); |
| 338 |
} |
| 339 |
if ($this->seoData['description'] === '') { |
| 340 |
$tagline = $this->sanitizeText(\get_bloginfo('description')); |
| 341 |
$this->seoData['description'] = $tagline !== '' |
| 342 |
? $tagline |
| 343 |
: $this->sanitizeText( |
| 344 |
\__('Browse and compare trips, then open a trip for full details and booking.', 'yatra') |
| 345 |
); |
| 346 |
} |
| 347 |
|
| 348 |
// Get image from settings (attachment ID) with validation |
| 349 |
$imageId = SettingsService::getInt('seo_trip_meta_image', 0); |
| 350 |
|
| 351 |
if ($imageId > 0) { |
| 352 |
$imageUrl = wp_get_attachment_url($imageId); |
| 353 |
|
| 354 |
if ($imageUrl && filter_var($imageUrl, FILTER_VALIDATE_URL)) { |
| 355 |
$this->seoData['image'] = $this->validateUrl($imageUrl); |
| 356 |
} |
| 357 |
} |
| 358 |
|
| 359 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 360 |
$this->seoData['type'] = 'website'; |
| 361 |
$this->seoData['published_time'] = date('c'); |
| 362 |
$this->seoData['modified_time'] = date('c'); |
| 363 |
$this->seoData['author'] = $this->sanitizeText(get_bloginfo('name')); |
| 364 |
$this->seoData['publisher'] = $this->sanitizeText(get_bloginfo('name')); |
| 365 |
|
| 366 |
} catch (\Exception $e) { |
| 367 |
$this->setDefaultSEOData(); |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
private function collectDestinationListingData(): void |
| 372 |
{ |
| 373 |
$this->seoData['title'] = $this->sanitizeText(\__('All Destinations', 'yatra')); |
| 374 |
$this->seoData['description'] = $this->sanitizeText( |
| 375 |
\__('Explore destinations we visit and find trips that match where you want to go.', 'yatra') |
| 376 |
); |
| 377 |
$this->seoData['keywords'] = ''; |
| 378 |
$this->seoData['image'] = ''; |
| 379 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 380 |
$this->seoData['type'] = 'website'; |
| 381 |
$this->seoData['published_time'] = \date('c'); |
| 382 |
$this->seoData['modified_time'] = \date('c'); |
| 383 |
$this->seoData['author'] = $this->sanitizeText(\get_bloginfo('name')); |
| 384 |
$this->seoData['publisher'] = $this->sanitizeText(\get_bloginfo('name')); |
| 385 |
} |
| 386 |
|
| 387 |
private function collectActivityListingData(): void |
| 388 |
{ |
| 389 |
$this->seoData['title'] = $this->sanitizeText(\__('All Activities', 'yatra')); |
| 390 |
$this->seoData['description'] = $this->sanitizeText( |
| 391 |
\__('Browse experiences and find trips built around the activities you love.', 'yatra') |
| 392 |
); |
| 393 |
$this->seoData['keywords'] = ''; |
| 394 |
$this->seoData['image'] = ''; |
| 395 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 396 |
$this->seoData['type'] = 'website'; |
| 397 |
$this->seoData['published_time'] = \date('c'); |
| 398 |
$this->seoData['modified_time'] = \date('c'); |
| 399 |
$this->seoData['author'] = $this->sanitizeText(\get_bloginfo('name')); |
| 400 |
$this->seoData['publisher'] = $this->sanitizeText(\get_bloginfo('name')); |
| 401 |
} |
| 402 |
|
| 403 |
private function collectCategoryListingData(): void |
| 404 |
{ |
| 405 |
$this->seoData['title'] = $this->sanitizeText(\__('Trip Categories', 'yatra')); |
| 406 |
$this->seoData['description'] = $this->sanitizeText( |
| 407 |
\__('Browse trips by style or theme—adventure, family, luxury, and more.', 'yatra') |
| 408 |
); |
| 409 |
$this->seoData['keywords'] = ''; |
| 410 |
$this->seoData['image'] = ''; |
| 411 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 412 |
$this->seoData['type'] = 'website'; |
| 413 |
$this->seoData['published_time'] = \date('c'); |
| 414 |
$this->seoData['modified_time'] = \date('c'); |
| 415 |
$this->seoData['author'] = $this->sanitizeText(\get_bloginfo('name')); |
| 416 |
$this->seoData['publisher'] = $this->sanitizeText(\get_bloginfo('name')); |
| 417 |
} |
| 418 |
|
| 419 |
/** |
| 420 |
* Collect SEO data for destination page |
| 421 |
*/ |
| 422 |
private function collectDestinationData(): void |
| 423 |
{ |
| 424 |
if (!$this->pageObject) { |
| 425 |
return; |
| 426 |
} |
| 427 |
|
| 428 |
$destination = $this->pageObject; |
| 429 |
$metadata = []; |
| 430 |
if (!empty($destination->metadata)) { |
| 431 |
if (\is_array($destination->metadata)) { |
| 432 |
$metadata = $destination->metadata; |
| 433 |
} else { |
| 434 |
$maybe = \maybe_unserialize($destination->metadata); |
| 435 |
$metadata = \is_array($maybe) ? $maybe : []; |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
$name = (string) ($destination->name ?? ''); |
| 440 |
$title = $metadata['seo_title'] ?? $destination->name ?? ''; |
| 441 |
$this->seoData['title'] = $this->sanitizeText($this->expandTermTokens((string) $title, $name)); |
| 442 |
$descRaw = $metadata['seo_description'] ?? $destination->description ?? ''; |
| 443 |
$descRaw = $this->expandTermTokens((string) $descRaw, $name); |
| 444 |
$this->seoData['description'] = $this->sanitizeText(\wp_trim_words(\wp_strip_all_tags($descRaw), 45, '…')); |
| 445 |
$this->seoData['keywords'] = $this->sanitizeText($this->expandTermTokens((string) ($metadata['seo_keywords'] ?? ''), $name)); |
| 446 |
|
| 447 |
// Get featured image or gallery image |
| 448 |
$this->seoData['image'] = $destination->featured_image_url ?? |
| 449 |
($destination->gallery_images[0] ?? ''); |
| 450 |
|
| 451 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 452 |
|
| 453 |
$this->seoData['type'] = 'place'; |
| 454 |
$this->seoData['published_time'] = date('c', strtotime($destination->created_at ?? 'now')); |
| 455 |
$this->seoData['modified_time'] = date('c', strtotime($destination->updated_at ?? 'now')); |
| 456 |
$this->seoData['author'] = get_bloginfo('name'); |
| 457 |
$this->seoData['publisher'] = get_bloginfo('name'); |
| 458 |
} |
| 459 |
|
| 460 |
/** |
| 461 |
* Collect SEO data for activity page |
| 462 |
*/ |
| 463 |
private function collectActivityData(): void |
| 464 |
{ |
| 465 |
if (!$this->pageObject) { |
| 466 |
return; |
| 467 |
} |
| 468 |
|
| 469 |
$activity = $this->pageObject; |
| 470 |
$metadata = []; |
| 471 |
if (!empty($activity->metadata)) { |
| 472 |
if (\is_array($activity->metadata)) { |
| 473 |
$metadata = $activity->metadata; |
| 474 |
} else { |
| 475 |
$maybe = \maybe_unserialize($activity->metadata); |
| 476 |
$metadata = \is_array($maybe) ? $maybe : []; |
| 477 |
} |
| 478 |
} |
| 479 |
|
| 480 |
$name = (string) ($activity->name ?? ''); |
| 481 |
$this->seoData['title'] = $this->sanitizeText($this->expandTermTokens((string) ($metadata['seo_title'] ?? $activity->name ?? ''), $name)); |
| 482 |
$descRaw = $metadata['seo_description'] ?? $activity->description ?? ''; |
| 483 |
$descRaw = $this->expandTermTokens((string) $descRaw, $name); |
| 484 |
$this->seoData['description'] = $this->sanitizeText(\wp_trim_words(\wp_strip_all_tags($descRaw), 45, '…')); |
| 485 |
$this->seoData['keywords'] = $this->sanitizeText($this->expandTermTokens((string) ($metadata['seo_keywords'] ?? ''), $name)); |
| 486 |
|
| 487 |
// Get featured image or gallery image |
| 488 |
$this->seoData['image'] = $activity->featured_image_url ?? |
| 489 |
($activity->gallery_images[0] ?? ''); |
| 490 |
|
| 491 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 492 |
|
| 493 |
$this->seoData['type'] = 'article'; |
| 494 |
$this->seoData['published_time'] = date('c', strtotime($activity->created_at ?? 'now')); |
| 495 |
$this->seoData['modified_time'] = date('c', strtotime($activity->updated_at ?? 'now')); |
| 496 |
$this->seoData['author'] = get_bloginfo('name'); |
| 497 |
$this->seoData['publisher'] = get_bloginfo('name'); |
| 498 |
} |
| 499 |
|
| 500 |
/** |
| 501 |
* Collect SEO data for category page |
| 502 |
*/ |
| 503 |
private function collectCategoryData(): void |
| 504 |
{ |
| 505 |
if (!$this->pageObject) { |
| 506 |
return; |
| 507 |
} |
| 508 |
|
| 509 |
$category = $this->pageObject; |
| 510 |
$metadata = []; |
| 511 |
if (!empty($category->metadata)) { |
| 512 |
if (\is_array($category->metadata)) { |
| 513 |
$metadata = $category->metadata; |
| 514 |
} else { |
| 515 |
$maybe = \maybe_unserialize($category->metadata); |
| 516 |
$metadata = \is_array($maybe) ? $maybe : []; |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
$name = (string) ($category->name ?? ''); |
| 521 |
$this->seoData['title'] = $this->sanitizeText($this->expandTermTokens((string) ($metadata['seo_title'] ?? $category->name ?? ''), $name)); |
| 522 |
$descRaw = $metadata['seo_description'] ?? $category->description ?? ''; |
| 523 |
$descRaw = $this->expandTermTokens((string) $descRaw, $name); |
| 524 |
$this->seoData['description'] = $this->sanitizeText(\wp_trim_words(\wp_strip_all_tags($descRaw), 45, '…')); |
| 525 |
$this->seoData['keywords'] = $this->sanitizeText($this->expandTermTokens((string) ($metadata['seo_keywords'] ?? ''), $name)); |
| 526 |
|
| 527 |
// Get featured image or gallery image |
| 528 |
$this->seoData['image'] = $category->featured_image_url ?? |
| 529 |
($category->gallery_images[0] ?? ''); |
| 530 |
|
| 531 |
$this->seoData['url'] = $this->validateUrl($this->getCurrentUrl()); |
| 532 |
|
| 533 |
$this->seoData['type'] = 'article'; |
| 534 |
$this->seoData['published_time'] = date('c', strtotime($category->created_at ?? 'now')); |
| 535 |
$this->seoData['modified_time'] = date('c', strtotime($category->updated_at ?? 'now')); |
| 536 |
$this->seoData['author'] = get_bloginfo('name'); |
| 537 |
$this->seoData['publisher'] = get_bloginfo('name'); |
| 538 |
} |
| 539 |
|
| 540 |
/** |
| 541 |
* Collect SEO data for single trip page |
| 542 |
*/ |
| 543 |
private function collectTripData(): void |
| 544 |
{ |
| 545 |
if (!$this->pageObject) { |
| 546 |
return; |
| 547 |
} |
| 548 |
|
| 549 |
$trip = $this->pageObject; |
| 550 |
|
| 551 |
$customTitle = trim((string) ($trip->meta_title ?? '')); |
| 552 |
$displayTitle = ''; |
| 553 |
if (\is_object($trip) && \method_exists($trip, 'getTitle')) { |
| 554 |
$displayTitle = $this->sanitizeText($trip->getTitle()); |
| 555 |
} else { |
| 556 |
$displayTitle = $this->sanitizeText((string) ($trip->title ?? $trip->name ?? '')); |
| 557 |
} |
| 558 |
|
| 559 |
$this->seoData['title'] = $customTitle !== '' |
| 560 |
? $this->sanitizeText($customTitle) |
| 561 |
: $displayTitle; |
| 562 |
|
| 563 |
$customDesc = trim((string) ($trip->meta_description ?? '')); |
| 564 |
$fallbackDesc = ''; |
| 565 |
if (\is_object($trip) && \method_exists($trip, 'getShortDescription')) { |
| 566 |
$short = $trip->getShortDescription(); |
| 567 |
if (!empty($short)) { |
| 568 |
$fallbackDesc = $this->sanitizeText(\wp_strip_all_tags((string) $short)); |
| 569 |
} |
| 570 |
} |
| 571 |
if ($fallbackDesc === '' && !empty($trip->description)) { |
| 572 |
$fallbackDesc = $this->sanitizeText( |
| 573 |
\wp_trim_words(\wp_strip_all_tags((string) $trip->description), 40, '…') |
| 574 |
); |
| 575 |
} |
| 576 |
if ($fallbackDesc === '') { |
| 577 |
$fallbackDesc = $this->sanitizeText(SettingsService::getString('seo_trip_meta_description', '')); |
| 578 |
} |
| 579 |
$this->seoData['description'] = $customDesc !== '' |
| 580 |
? $this->sanitizeText($customDesc) |
| 581 |
: $fallbackDesc; |
| 582 |
|
| 583 |
$customKeywords = trim((string) ($trip->meta_keywords ?? '')); |
| 584 |
$this->seoData['keywords'] = $customKeywords !== '' |
| 585 |
? $this->sanitizeText($customKeywords) |
| 586 |
: $this->sanitizeText(SettingsService::getString('seo_trip_meta_keywords', '')); |
| 587 |
|
| 588 |
$this->seoData['image'] = $this->resolveTripSeoImageUrl($trip); |
| 589 |
|
| 590 |
$this->seoData['url'] = function_exists('yatra_get_trip_permalink') |
| 591 |
? yatra_get_trip_permalink($trip) |
| 592 |
: home_url('/' . SettingsService::getTripBase() . '/' . ($trip->slug ?? '')); |
| 593 |
|
| 594 |
$this->seoData['type'] = 'article'; |
| 595 |
$this->seoData['published_time'] = date('c', strtotime($trip->created_at ?? 'now')); |
| 596 |
$this->seoData['modified_time'] = date('c', strtotime($trip->updated_at ?? 'now')); |
| 597 |
$this->seoData['author'] = get_bloginfo('name'); |
| 598 |
$this->seoData['publisher'] = get_bloginfo('name'); |
| 599 |
} |
| 600 |
|
| 601 |
/** |
| 602 |
* Resolve share/SEO image URL for a trip (featured, gallery, then global trip SEO image setting). |
| 603 |
* |
| 604 |
* @param object $trip |
| 605 |
*/ |
| 606 |
private function resolveTripSeoImageUrl(object $trip): string |
| 607 |
{ |
| 608 |
$raw = ''; |
| 609 |
if (!empty($trip->featured_image_url)) { |
| 610 |
$raw = (string) $trip->featured_image_url; |
| 611 |
} elseif (!empty($trip->gallery_images) && \is_array($trip->gallery_images)) { |
| 612 |
$first = $trip->gallery_images[0] ?? null; |
| 613 |
if (\is_string($first)) { |
| 614 |
$raw = $first; |
| 615 |
} elseif (\is_array($first)) { |
| 616 |
$raw = (string) ($first['url'] ?? $first['src'] ?? ''); |
| 617 |
} |
| 618 |
} |
| 619 |
|
| 620 |
if ($raw === '') { |
| 621 |
$imageId = SettingsService::getInt('seo_trip_meta_image', 0); |
| 622 |
if ($imageId > 0) { |
| 623 |
$url = \wp_get_attachment_url($imageId); |
| 624 |
if ($url && \filter_var($url, FILTER_VALIDATE_URL)) { |
| 625 |
$raw = $url; |
| 626 |
} |
| 627 |
} |
| 628 |
} |
| 629 |
|
| 630 |
return $raw !== '' ? $this->validateUrl($raw) : ''; |
| 631 |
} |
| 632 |
|
| 633 |
/** |
| 634 |
* Output basic meta tags |
| 635 |
*/ |
| 636 |
private function outputBasicMetaTags(): void |
| 637 |
{ |
| 638 |
if (!empty($this->seoData['description'])) { |
| 639 |
echo '<meta name="description" content="' . esc_attr($this->truncateText($this->seoData['description'], 160)) . '">' . "\n"; |
| 640 |
} |
| 641 |
|
| 642 |
if (!empty($this->seoData['keywords'])) { |
| 643 |
echo '<meta name="keywords" content="' . esc_attr($this->seoData['keywords']) . '">' . "\n"; |
| 644 |
} |
| 645 |
} |
| 646 |
|
| 647 |
/** |
| 648 |
* Output Open Graph meta tags |
| 649 |
*/ |
| 650 |
private function outputOpenGraphTags(): void |
| 651 |
{ |
| 652 |
echo '<meta property="og:locale" content="en_US">' . "\n"; |
| 653 |
echo '<meta property="og:site_name" content="' . esc_attr(get_bloginfo('name')) . '">' . "\n"; |
| 654 |
echo '<meta property="og:title" content="' . esc_attr($this->seoData['title']) . '">' . "\n"; |
| 655 |
echo '<meta property="og:description" content="' . esc_attr($this->truncateText($this->seoData['description'], 160)) . '">' . "\n"; |
| 656 |
echo '<meta property="og:type" content="' . esc_attr($this->seoData['type']) . '">' . "\n"; |
| 657 |
echo '<meta property="og:url" content="' . esc_url($this->seoData['url']) . '">' . "\n"; |
| 658 |
|
| 659 |
if (!empty($this->seoData['image'])) { |
| 660 |
echo '<meta property="og:image" content="' . esc_url($this->seoData['image']) . '">' . "\n"; |
| 661 |
echo '<meta property="og:image:width" content="1200">' . "\n"; |
| 662 |
echo '<meta property="og:image:height" content="630">' . "\n"; |
| 663 |
echo '<meta property="og:image:alt" content="' . esc_attr($this->seoData['title']) . '">' . "\n"; |
| 664 |
} |
| 665 |
|
| 666 |
if (!empty($this->seoData['published_time'])) { |
| 667 |
echo '<meta property="article:published_time" content="' . esc_attr($this->seoData['published_time']) . '">' . "\n"; |
| 668 |
} |
| 669 |
|
| 670 |
if (!empty($this->seoData['modified_time'])) { |
| 671 |
echo '<meta property="article:modified_time" content="' . esc_attr($this->seoData['modified_time']) . '">' . "\n"; |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
/** |
| 676 |
* Output Twitter Card meta tags |
| 677 |
*/ |
| 678 |
private function outputTwitterCardTags(): void |
| 679 |
{ |
| 680 |
echo '<meta name="twitter:card" content="summary_large_image">' . "\n"; |
| 681 |
echo '<meta name="twitter:title" content="' . esc_attr($this->seoData['title']) . '">' . "\n"; |
| 682 |
echo '<meta name="twitter:description" content="' . esc_attr($this->truncateText($this->seoData['description'], 160)) . '">' . "\n"; |
| 683 |
|
| 684 |
if (!empty($this->seoData['image'])) { |
| 685 |
echo '<meta name="twitter:image" content="' . esc_url($this->seoData['image']) . '">' . "\n"; |
| 686 |
} |
| 687 |
} |
| 688 |
|
| 689 |
/** |
| 690 |
* Output advanced meta tags |
| 691 |
*/ |
| 692 |
private function outputAdvancedMetaTags(): void |
| 693 |
{ |
| 694 |
echo '<meta name="robots" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">' . "\n"; |
| 695 |
echo '<link rel="canonical" href="' . esc_url($this->seoData['url']) . '">' . "\n"; |
| 696 |
echo '<meta name="author" content="' . esc_attr($this->seoData['author']) . '">' . "\n"; |
| 697 |
echo '<meta name="publisher" content="' . esc_attr($this->seoData['publisher']) . '">' . "\n"; |
| 698 |
echo '<meta name="lastmod" content="' . esc_attr($this->seoData['modified_time']) . '">' . "\n"; |
| 699 |
echo '<link rel="alternate" hreflang="en-US" href="' . esc_url($this->seoData['url']) . '">' . "\n"; |
| 700 |
echo '<meta name="revisit-after" content="7 days">' . "\n"; |
| 701 |
echo '<meta name="distribution" content="global">' . "\n"; |
| 702 |
echo '<meta name="rating" content="general">' . "\n"; |
| 703 |
} |
| 704 |
|
| 705 |
/** |
| 706 |
* rel="prev" / rel="next" for paginated trip archive and taxonomy listings (Google-supported series hints). |
| 707 |
*/ |
| 708 |
private function outputPaginationRelLinks(): void |
| 709 |
{ |
| 710 |
$prevUrl = ''; |
| 711 |
$nextUrl = ''; |
| 712 |
|
| 713 |
switch ($this->pageType) { |
| 714 |
case self::PAGE_TYPE_TRIP_ARCHIVE: |
| 715 |
$ctx = $GLOBALS['yatra_trip_listing_context'] ?? null; |
| 716 |
if (!\is_array($ctx)) { |
| 717 |
return; |
| 718 |
} |
| 719 |
$pagination = $ctx['pagination'] ?? null; |
| 720 |
if (!\is_array($pagination)) { |
| 721 |
return; |
| 722 |
} |
| 723 |
if (!empty($pagination['prev_url']) && \is_string($pagination['prev_url'])) { |
| 724 |
$prevUrl = $pagination['prev_url']; |
| 725 |
} |
| 726 |
if (!empty($pagination['next_url']) && \is_string($pagination['next_url'])) { |
| 727 |
$nextUrl = $pagination['next_url']; |
| 728 |
} |
| 729 |
break; |
| 730 |
|
| 731 |
case self::PAGE_TYPE_DESTINATION: |
| 732 |
case self::PAGE_TYPE_ACTIVITY: |
| 733 |
case self::PAGE_TYPE_CATEGORY: |
| 734 |
$td = $GLOBALS['yatra_taxonomy_data'] ?? null; |
| 735 |
if (!$td || !\is_object($td)) { |
| 736 |
return; |
| 737 |
} |
| 738 |
$total = \max(1, (int) ($td->trips_pages ?? 1)); |
| 739 |
$current = (int) ($td->trips_current_page ?? 1); |
| 740 |
if ($current < 1) { |
| 741 |
$current = 1; |
| 742 |
} |
| 743 |
$current = \min($current, $total); |
| 744 |
if (!\function_exists('yatra_build_current_request_paged_url')) { |
| 745 |
return; |
| 746 |
} |
| 747 |
if ($current > 1) { |
| 748 |
$prevUrl = (string) yatra_build_current_request_paged_url($current - 1); |
| 749 |
} |
| 750 |
if ($current < $total) { |
| 751 |
$nextUrl = (string) yatra_build_current_request_paged_url($current + 1); |
| 752 |
} |
| 753 |
break; |
| 754 |
|
| 755 |
case self::PAGE_TYPE_DESTINATION_LISTING: |
| 756 |
case self::PAGE_TYPE_ACTIVITY_LISTING: |
| 757 |
case self::PAGE_TYPE_CATEGORY_LISTING: |
| 758 |
$meta = $GLOBALS['yatra_archive_browse_pagination'] ?? null; |
| 759 |
if (!\is_array($meta)) { |
| 760 |
return; |
| 761 |
} |
| 762 |
$total = \max(1, (int) ($meta['total_pages'] ?? 1)); |
| 763 |
$current = (int) ($meta['current_page'] ?? 1); |
| 764 |
if ($current < 1) { |
| 765 |
$current = 1; |
| 766 |
} |
| 767 |
$current = \min($current, $total); |
| 768 |
if (!\function_exists('yatra_build_archive_listing_url')) { |
| 769 |
return; |
| 770 |
} |
| 771 |
if ($current > 1) { |
| 772 |
$prevUrl = (string) yatra_build_archive_listing_url($current - 1); |
| 773 |
} |
| 774 |
if ($current < $total) { |
| 775 |
$nextUrl = (string) yatra_build_archive_listing_url($current + 1); |
| 776 |
} |
| 777 |
break; |
| 778 |
|
| 779 |
default: |
| 780 |
return; |
| 781 |
} |
| 782 |
|
| 783 |
if ($prevUrl !== '') { |
| 784 |
echo '<link rel="prev" href="' . esc_url($prevUrl) . '">' . "\n"; |
| 785 |
} |
| 786 |
if ($nextUrl !== '') { |
| 787 |
echo '<link rel="next" href="' . esc_url($nextUrl) . '">' . "\n"; |
| 788 |
} |
| 789 |
} |
| 790 |
|
| 791 |
/** |
| 792 |
* Output Schema markup |
| 793 |
*/ |
| 794 |
private function outputSchemaMarkup(): void |
| 795 |
{ |
| 796 |
$schema = $this->generateSchemaMarkup(); |
| 797 |
if (!empty($schema)) { |
| 798 |
echo '<script type="application/ld+json">' . json_encode($schema, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . '</script>' . "\n"; |
| 799 |
} |
| 800 |
} |
| 801 |
|
| 802 |
/** |
| 803 |
* Generate schema markup based on page type |
| 804 |
*/ |
| 805 |
private function generateSchemaMarkup(): array |
| 806 |
{ |
| 807 |
$baseSchema = [ |
| 808 |
'@context' => 'https://schema.org', |
| 809 |
'name' => $this->seoData['title'], |
| 810 |
'description' => $this->seoData['description'], |
| 811 |
'url' => $this->seoData['url'], |
| 812 |
'publisher' => [ |
| 813 |
'@type' => 'Organization', |
| 814 |
'name' => get_bloginfo('name'), |
| 815 |
'url' => home_url() |
| 816 |
], |
| 817 |
'dateModified' => $this->seoData['modified_time'], |
| 818 |
'datePublished' => $this->seoData['published_time'], |
| 819 |
'inLanguage' => 'en-US', |
| 820 |
'isPartOf' => [ |
| 821 |
'@type' => 'WebSite', |
| 822 |
'name' => get_bloginfo('name'), |
| 823 |
'url' => home_url() |
| 824 |
] |
| 825 |
]; |
| 826 |
|
| 827 |
// Add image if available |
| 828 |
if (!empty($this->seoData['image'])) { |
| 829 |
$baseSchema['image'] = $this->seoData['image']; |
| 830 |
} |
| 831 |
|
| 832 |
switch ($this->pageType) { |
| 833 |
case self::PAGE_TYPE_TRIP_ARCHIVE: |
| 834 |
case self::PAGE_TYPE_DESTINATION_LISTING: |
| 835 |
case self::PAGE_TYPE_ACTIVITY_LISTING: |
| 836 |
case self::PAGE_TYPE_CATEGORY_LISTING: |
| 837 |
return $this->generateCollectionPageSchema($baseSchema); |
| 838 |
case self::PAGE_TYPE_DESTINATION: |
| 839 |
return $this->generatePlaceSchema($baseSchema); |
| 840 |
case self::PAGE_TYPE_ACTIVITY: |
| 841 |
case self::PAGE_TYPE_CATEGORY: |
| 842 |
case self::PAGE_TYPE_TRIP: |
| 843 |
return $this->generateArticleSchema($baseSchema); |
| 844 |
default: |
| 845 |
return $baseSchema; |
| 846 |
} |
| 847 |
} |
| 848 |
|
| 849 |
/** |
| 850 |
* Generate CollectionPage schema for archive pages |
| 851 |
*/ |
| 852 |
private function generateCollectionPageSchema(array $baseSchema): array |
| 853 |
{ |
| 854 |
return array_merge($baseSchema, [ |
| 855 |
'@type' => 'CollectionPage', |
| 856 |
'mainEntity' => [ |
| 857 |
'@type' => 'ItemList', |
| 858 |
'numberOfItems' => 0, // This should be dynamically populated |
| 859 |
'itemListElement' => [] |
| 860 |
] |
| 861 |
]); |
| 862 |
} |
| 863 |
|
| 864 |
/** |
| 865 |
* Generate Place schema for destination pages |
| 866 |
*/ |
| 867 |
private function generatePlaceSchema(array $baseSchema): array |
| 868 |
{ |
| 869 |
return array_merge($baseSchema, [ |
| 870 |
'@type' => 'Place', |
| 871 |
'address' => $this->pageObject->address ?? '', |
| 872 |
'geo' => [ |
| 873 |
'@type' => 'GeoCoordinates', |
| 874 |
'latitude' => $this->pageObject->latitude ?? '', |
| 875 |
'longitude' => $this->pageObject->longitude ?? '' |
| 876 |
] |
| 877 |
]); |
| 878 |
} |
| 879 |
|
| 880 |
/** |
| 881 |
* Generate Article schema for content pages |
| 882 |
*/ |
| 883 |
private function generateArticleSchema(array $baseSchema): array |
| 884 |
{ |
| 885 |
return array_merge($baseSchema, [ |
| 886 |
'@type' => 'Article', |
| 887 |
'headline' => $this->seoData['title'], |
| 888 |
'author' => [ |
| 889 |
'@type' => 'Organization', |
| 890 |
'name' => get_bloginfo('name') |
| 891 |
] |
| 892 |
]); |
| 893 |
} |
| 894 |
|
| 895 |
/** |
| 896 |
* Truncate text to specified length |
| 897 |
*/ |
| 898 |
private function truncateText(string $text, int $length): string |
| 899 |
{ |
| 900 |
if (strlen($text) <= $length) { |
| 901 |
return $text; |
| 902 |
} |
| 903 |
|
| 904 |
return substr($text, 0, $length - 3) . '...'; |
| 905 |
} |
| 906 |
} |
| 907 |
|
