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<?php |
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|
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declare(strict_types=1); |
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|
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namespace Yatra\Helpers; |
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|
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/** |
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* Slug Helper |
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* Generates URL-friendly slugs from text |
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* Uses WordPress sanitize_title() for consistency |
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*/ |
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class SlugHelper |
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{ |
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/** |
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* Generate a slug from a string |
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* Uses WordPress sanitize_title() function |
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* |
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* @param string $text The text to convert to a slug |
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* @return string A URL-friendly slug |
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*/ |
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public static function generate(string $text): string |
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{ |
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if (empty($text)) { |
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return ''; |
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} |
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|
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// Use WordPress's sanitize_title function for consistency |
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return sanitize_title($text); |
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} |
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|
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/** |
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* Generate a unique slug by appending a number if needed |
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* |
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* @param string $baseSlug The base slug |
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* @param array $existingSlugs Array of existing slugs to check against |
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* @return string A unique slug |
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*/ |
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public static function generateUnique(string $baseSlug, array $existingSlugs): string |
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{ |
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$slug = self::generate($baseSlug); |
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|
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if (empty($slug)) { |
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$slug = 'untitled'; |
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} |
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|
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// If slug is already unique, return it |
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if (!in_array($slug, $existingSlugs, true)) { |
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return $slug; |
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} |
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|
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// Try appending numbers until we find a unique slug |
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$counter = 1; |
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$uniqueSlug = $slug . '-' . $counter; |
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|
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while (in_array($uniqueSlug, $existingSlugs, true)) { |
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$counter++; |
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$uniqueSlug = $slug . '-' . $counter; |
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} |
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|
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return $uniqueSlug; |
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} |
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|
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/** |
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* Generate a unique slug by checking against database |
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* |
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* @param string $baseSlug The base slug |
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* @param string $tableName The table name (without prefix) |
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* @param string $columnName The column name (default: 'slug') |
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* @param int|null $excludeId ID to exclude from check (for updates) |
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* @return string A unique slug |
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*/ |
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public static function generateUniqueFromDatabase( |
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string $baseSlug, |
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string $tableName, |
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string $columnName = 'slug', |
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?int $excludeId = null |
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): string { |
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global $wpdb; |
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|
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$slug = self::generate($baseSlug); |
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|
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if (empty($slug)) { |
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$slug = 'untitled'; |
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} |
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|
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// Check if table name already has prefix to avoid double prefix |
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if (strpos($tableName, $wpdb->prefix) === 0) { |
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$table = $tableName; // Already has prefix |
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} else { |
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$table = $wpdb->prefix . $tableName; // Add prefix |
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} |
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$table = esc_sql($table); |
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$columnName = esc_sql($columnName); |
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|
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// Check if slug exists |
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$query = $wpdb->prepare( |
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"SELECT COUNT(*) FROM `{$table}` WHERE `{$columnName}` = %s", |
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$slug |
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); |
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|
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// Exclude current ID if updating |
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if ($excludeId !== null) { |
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$query = $wpdb->prepare( |
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"SELECT COUNT(*) FROM `{$table}` WHERE `{$columnName}` = %s AND id != %d", |
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$slug, |
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$excludeId |
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); |
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} |
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|
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$exists = (int) $wpdb->get_var($query) > 0; |
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|
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if (!$exists) { |
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return $slug; |
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} |
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|
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// Try appending numbers until we find a unique slug |
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$counter = 1; |
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$uniqueSlug = $slug . '-' . $counter; |
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|
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while (true) { |
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$checkQuery = $wpdb->prepare( |
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"SELECT COUNT(*) FROM `{$table}` WHERE `{$columnName}` = %s", |
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$uniqueSlug |
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); |
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|
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if ($excludeId !== null) { |
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$checkQuery = $wpdb->prepare( |
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"SELECT COUNT(*) FROM `{$table}` WHERE `{$columnName}` = %s AND id != %d", |
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$uniqueSlug, |
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$excludeId |
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); |
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} |
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|
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$exists = (int) $wpdb->get_var($checkQuery) > 0; |
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|
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if (!$exists) { |
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return $uniqueSlug; |
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} |
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|
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$counter++; |
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$uniqueSlug = $slug . '-' . $counter; |
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} |
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} |
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} |
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|
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|