| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('ABSPATH')) { |
| 4 |
exit; |
| 5 |
} |
| 6 |
|
| 7 |
class AIBUI_Translation_Manager |
| 8 |
{ |
| 9 |
private $settings; |
| 10 |
private $current_lang; |
| 11 |
private $has_explicit_lang_preference = false; |
| 12 |
|
| 13 |
public function __construct() |
| 14 |
{ |
| 15 |
$this->settings = AIBUI_Translation_Settings::get_settings(); |
| 16 |
$this->current_lang = $this->determine_current_language(); |
| 17 |
|
| 18 |
if (is_admin()) { |
| 19 |
add_filter('manage_edit-post_columns', array($this, 'add_language_column')); |
| 20 |
add_filter('manage_edit-page_columns', array($this, 'add_language_column')); |
| 21 |
add_filter('manage_edit-wp_template_part_columns', array($this, 'add_language_column')); |
| 22 |
|
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add_action('manage_post_posts_custom_column', array($this, 'render_language_column'), 10, 2); |
| 24 |
add_action('manage_page_posts_custom_column', array($this, 'render_language_column'), 10, 2); |
| 25 |
add_action('manage_wp_template_part_posts_custom_column', array($this, 'render_language_column'), 10, 2); |
| 26 |
|
| 27 |
add_action('restrict_manage_posts', array($this, 'add_language_filter')); |
| 28 |
add_action('pre_get_posts', array($this, 'filter_admin_by_language')); |
| 29 |
add_action('admin_head', array($this, 'print_admin_styles')); |
| 30 |
|
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// Ensure "View" links in admin (list + editor) include the correct ai_lang |
| 32 |
add_filter('post_type_link', array($this, 'add_lang_query_to_admin_view_link'), 10, 2); |
| 33 |
add_filter('post_link', array($this, 'add_lang_query_to_admin_view_link'), 10, 3); |
| 34 |
add_filter('page_link', array($this, 'add_lang_query_to_admin_view_link'), 10, 3); |
| 35 |
} else { |
| 36 |
add_filter('query_vars', array($this, 'register_query_var')); |
| 37 |
add_action('template_redirect', array($this, 'maybe_redirect_to_translation')); |
| 38 |
add_action('pre_get_posts', array($this, 'filter_front_queries')); |
| 39 |
add_action('wp_head', array($this, 'output_hreflang_tags'), 5); |
| 40 |
add_filter('language_attributes', array($this, 'filter_language_attributes'), 10, 2); |
| 41 |
add_filter('pre_render_block', array($this, 'maybe_swap_template_part'), 10, 2); |
| 42 |
} |
| 43 |
} |
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|
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public function get_current_language() |
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{ |
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return $this->current_lang; |
| 48 |
} |
| 49 |
|
| 50 |
public function filter_language_attributes($output, $doctype) |
| 51 |
{ |
| 52 |
if ($doctype !== 'html') { |
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return $output; |
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} |
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|
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$lang = $this->current_lang; |
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$dir = in_array($lang, array('ar', 'he', 'fa'), true) ? 'rtl' : 'ltr'; |
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|
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return sprintf('lang="%s" dir="%s"', esc_attr($lang), esc_attr($dir)); |
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} |
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|
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public function get_default_language() |
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{ |
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return $this->settings['default_lang']; |
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} |
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|
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public function is_switcher_enabled() |
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{ |
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return !empty($this->settings['enable_switcher']); |
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} |
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|
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public function get_available_languages() |
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{ |
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return $this->settings['available_langs']; |
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} |
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|
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public function get_settings() |
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{ |
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return $this->settings; |
| 80 |
} |
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|
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/** |
| 83 |
* In the admin, make sure "View" links include the post language as ?ai_lang=... |
| 84 |
* so that designers land on the matching front-end version and are not redirected. |
| 85 |
*/ |
| 86 |
public function add_lang_query_to_admin_view_link($permalink, $post, $leavename = null) |
| 87 |
{ |
| 88 |
if (!is_admin() || empty($post)) { |
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return $permalink; |
| 90 |
} |
| 91 |
|
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// $post may be an object or an ID depending on the filter (post_link/page_link/post_type_link) |
| 93 |
if (!is_object($post)) { |
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$post = get_post($post); |
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} |
| 96 |
if (!$post) { |
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return $permalink; |
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} |
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|
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$default_lang = $this->settings['default_lang']; |
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$lang = get_post_meta($post->ID, '_ai_lang', true) ?: $default_lang; |
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|
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// Avoid duplicating the parameter if it's already there. |
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$permalink = remove_query_arg('ai_lang', $permalink); |
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return add_query_arg('ai_lang', $lang, $permalink); |
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} |
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|
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private function determine_current_language() |
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{ |
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$available = $this->settings['available_langs']; |
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$default = $this->settings['default_lang']; |
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$lang = $default; |
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|
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if (isset($_GET['ai_lang'])) { |
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$candidate = sanitize_text_field(wp_unslash($_GET['ai_lang'])); |
| 116 |
if (in_array($candidate, $available, true)) { |
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$lang = $candidate; |
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$this->has_explicit_lang_preference = true; |
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setcookie('aibui_lang', $lang, time() + MONTH_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN); |
| 120 |
} |
| 121 |
} elseif (isset($_COOKIE['aibui_lang'])) { |
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$candidate = sanitize_text_field(wp_unslash($_COOKIE['aibui_lang'])); |
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if (in_array($candidate, $available, true)) { |
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$lang = $candidate; |
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$this->has_explicit_lang_preference = true; |
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} |
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} |
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|
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return $lang; |
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} |
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|
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/** Admin columns & filters */ |
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public function add_language_column($columns) |
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{ |
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$columns['aibui_translations'] = __('Translations', 'ai-builder'); |
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return $columns; |
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} |
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|
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public function render_language_column($column, $post_id) |
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{ |
| 141 |
if ($column !== 'aibui_translations') { |
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return; |
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} |
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|
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$default = $this->settings['default_lang']; |
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$current_lang = get_post_meta($post_id, '_ai_lang', true) ?: $default; |
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$current_label = AIBUI_Translation_Handler::SUPPORTED_LANGUAGES[$current_lang] ?? strtoupper($current_lang); |
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|
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$items = array( |
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sprintf('<span class="aibui-current-lang">%s</span>', esc_html($current_label)) |
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); |
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|
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$group = get_post_meta($post_id, '_ai_translation_group', true); |
| 154 |
if ($group) { |
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$translations = $this->get_group_posts($group, get_post_type($post_id)); |
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foreach ($translations as $translation) { |
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if ((int) $translation->ID === (int) $post_id) { |
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continue; |
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} |
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$lang = get_post_meta($translation->ID, '_ai_lang', true) ?: $default; |
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$label = AIBUI_Translation_Handler::SUPPORTED_LANGUAGES[$lang] ?? strtoupper($lang); |
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$items[] = sprintf( |
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'<a class="aibui-lang-link" href="%s">%s</a>', |
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esc_url(get_edit_post_link($translation->ID)), |
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esc_html($label) |
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); |
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} |
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} |
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|
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echo implode(' | ', $items); |
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} |
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|
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public function print_admin_styles() |
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{ |
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$screen = get_current_screen(); |
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if (!$screen || !in_array($screen->id, array('edit-page', 'edit-post', 'edit-wp_template_part'), true)) { |
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return; |
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} |
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|
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?> |
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<style> |
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.column-aibui_translations { |
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width: 10%; |
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} |
| 185 |
.aibui-current-lang { |
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font-weight: 600; |
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color: #007cba; |
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} |
| 189 |
.aibui-lang-link { |
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text-decoration: none; |
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} |
| 192 |
</style> |
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<?php |
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} |
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|
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public function add_language_filter($post_type) |
| 197 |
{ |
| 198 |
if (!in_array($post_type, array('post', 'page', 'wp_template_part'), true)) { |
| 199 |
return; |
| 200 |
} |
| 201 |
|
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$selected = isset($_GET['aibui_lang']) ? sanitize_text_field(wp_unslash($_GET['aibui_lang'])) : ''; |
| 203 |
?> |
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<select name="aibui_lang" id="aibui_lang"> |
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<option value=""><?php esc_html_e('All languages', 'ai-builder'); ?></option> |
| 206 |
<?php foreach (AIBUI_Translation_Handler::SUPPORTED_LANGUAGES as $code => $label) : ?> |
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<option value="<?php echo esc_attr($code); ?>" <?php selected($selected, $code); ?>> |
| 208 |
<?php echo esc_html($label); ?> |
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</option> |
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<?php endforeach; ?> |
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</select> |
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<?php |
| 213 |
} |
| 214 |
|
| 215 |
public function filter_admin_by_language($query) |
| 216 |
{ |
| 217 |
if (!is_admin() || !$query->is_main_query()) { |
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return; |
| 219 |
} |
| 220 |
|
| 221 |
global $pagenow; |
| 222 |
if (!in_array($pagenow, array('edit.php'), true)) { |
| 223 |
return; |
| 224 |
} |
| 225 |
|
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$lang = isset($_GET['aibui_lang']) ? sanitize_text_field(wp_unslash($_GET['aibui_lang'])) : ''; |
| 227 |
if ($lang === '') { |
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return; |
| 229 |
} |
| 230 |
|
| 231 |
$meta_query = (array) $query->get('meta_query'); |
| 232 |
$meta_query[] = array( |
| 233 |
'key' => '_ai_lang', |
| 234 |
'value' => $lang, |
| 235 |
'compare' => '=' |
| 236 |
); |
| 237 |
$query->set('meta_query', $meta_query); |
| 238 |
} |
| 239 |
|
| 240 |
/** Front language handling */ |
| 241 |
public function register_query_var($vars) |
| 242 |
{ |
| 243 |
$vars[] = 'ai_lang'; |
| 244 |
return $vars; |
| 245 |
} |
| 246 |
|
| 247 |
public function maybe_redirect_to_translation() |
| 248 |
{ |
| 249 |
$default_lang = $this->settings['default_lang']; |
| 250 |
$desired_lang = $this->current_lang; |
| 251 |
|
| 252 |
// Special handling for the front page (homepage) |
| 253 |
if (is_front_page() && $this->has_explicit_lang_preference) { |
| 254 |
$front_page_id = get_option('page_on_front'); |
| 255 |
if ($front_page_id) { |
| 256 |
$front_page_lang = get_post_meta($front_page_id, '_ai_lang', true) ?: $default_lang; |
| 257 |
|
| 258 |
if ($desired_lang !== $front_page_lang) { |
| 259 |
$group = get_post_meta($front_page_id, '_ai_translation_group', true); |
| 260 |
if ($group) { |
| 261 |
$translated = $this->get_translation_in_lang($group, 'page', $desired_lang); |
| 262 |
if ($translated) { |
| 263 |
wp_safe_redirect(get_permalink($translated->ID), 302); |
| 264 |
exit; |
| 265 |
} |
| 266 |
} |
| 267 |
} |
| 268 |
} |
| 269 |
return; |
| 270 |
} |
| 271 |
|
| 272 |
if (!is_singular()) { |
| 273 |
return; |
| 274 |
} |
| 275 |
|
| 276 |
global $post; |
| 277 |
if (!$post) { |
| 278 |
return; |
| 279 |
} |
| 280 |
|
| 281 |
$post_lang = get_post_meta($post->ID, '_ai_lang', true) ?: $default_lang; |
| 282 |
|
| 283 |
// If the user has no explicit language preference (no GET, no cookie), |
| 284 |
// and lands directly on a page, we treat that page's language as their |
| 285 |
// preference and simply store it in the cookie without redirecting. |
| 286 |
if (!$this->has_explicit_lang_preference) { |
| 287 |
setcookie('aibui_lang', $post_lang, time() + MONTH_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN); |
| 288 |
return; |
| 289 |
} |
| 290 |
|
| 291 |
if ($desired_lang === $post_lang) { |
| 292 |
return; |
| 293 |
} |
| 294 |
|
| 295 |
$group = get_post_meta($post->ID, '_ai_translation_group', true); |
| 296 |
if (!$group) { |
| 297 |
return; |
| 298 |
} |
| 299 |
|
| 300 |
$translated = $this->get_translation_in_lang($group, get_post_type($post), $desired_lang); |
| 301 |
if ($translated) { |
| 302 |
wp_safe_redirect(get_permalink($translated->ID), 302); |
| 303 |
exit; |
| 304 |
} |
| 305 |
} |
| 306 |
|
| 307 |
public function filter_front_queries($query) |
| 308 |
{ |
| 309 |
if (is_admin() || !$query->is_main_query()) { |
| 310 |
return; |
| 311 |
} |
| 312 |
|
| 313 |
$current_lang = $this->current_lang; |
| 314 |
$default_lang = $this->settings['default_lang']; |
| 315 |
|
| 316 |
if ($current_lang === $default_lang) { |
| 317 |
return; |
| 318 |
} |
| 319 |
|
| 320 |
if ($query->is_singular()) { |
| 321 |
return; |
| 322 |
} |
| 323 |
|
| 324 |
$meta_query = (array) $query->get('meta_query'); |
| 325 |
$meta_query[] = array( |
| 326 |
'key' => '_ai_lang', |
| 327 |
'value' => $current_lang, |
| 328 |
'compare' => '=' |
| 329 |
); |
| 330 |
$query->set('meta_query', $meta_query); |
| 331 |
} |
| 332 |
|
| 333 |
/** Hreflang output */ |
| 334 |
public function output_hreflang_tags() |
| 335 |
{ |
| 336 |
if (!is_singular()) { |
| 337 |
return; |
| 338 |
} |
| 339 |
|
| 340 |
global $post; |
| 341 |
if (!$post) { |
| 342 |
return; |
| 343 |
} |
| 344 |
|
| 345 |
$group = get_post_meta($post->ID, '_ai_translation_group', true); |
| 346 |
if (!$group) { |
| 347 |
return; |
| 348 |
} |
| 349 |
|
| 350 |
$translations = $this->get_group_posts($group, get_post_type($post)); |
| 351 |
if (empty($translations)) { |
| 352 |
return; |
| 353 |
} |
| 354 |
|
| 355 |
$links = array(); |
| 356 |
foreach ($translations as $translation) { |
| 357 |
$lang = get_post_meta($translation->ID, '_ai_lang', true); |
| 358 |
if (!$lang) { |
| 359 |
continue; |
| 360 |
} |
| 361 |
$links[$lang] = get_permalink($translation->ID); |
| 362 |
} |
| 363 |
|
| 364 |
if (empty($links)) { |
| 365 |
return; |
| 366 |
} |
| 367 |
|
| 368 |
foreach ($links as $lang => $url) { |
| 369 |
printf( |
| 370 |
'<link rel="alternate" hreflang="%s" href="%s" />' . "\n", |
| 371 |
esc_attr($lang), |
| 372 |
esc_url($url) |
| 373 |
); |
| 374 |
} |
| 375 |
|
| 376 |
if (isset($links[$this->settings['default_lang']])) { |
| 377 |
printf( |
| 378 |
'<link rel="alternate" hreflang="x-default" href="%s" />' . "\n", |
| 379 |
esc_url($links[$this->settings['default_lang']]) |
| 380 |
); |
| 381 |
} |
| 382 |
} |
| 383 |
|
| 384 |
/** Helpers */ |
| 385 |
public function get_translation_in_lang($group, $post_type, $lang) |
| 386 |
{ |
| 387 |
$posts = $this->get_group_posts($group, $post_type); |
| 388 |
foreach ($posts as $post) { |
| 389 |
$post_lang = get_post_meta($post->ID, '_ai_lang', true); |
| 390 |
if ($post_lang === $lang) { |
| 391 |
return $post; |
| 392 |
} |
| 393 |
} |
| 394 |
return null; |
| 395 |
} |
| 396 |
|
| 397 |
public function get_group_posts($group, $post_type) |
| 398 |
{ |
| 399 |
$cache_key = 'aibui_group_' . md5($group . $post_type); |
| 400 |
$cached = wp_cache_get($cache_key, 'aibui_translations'); |
| 401 |
if ($cached !== false) { |
| 402 |
return $cached; |
| 403 |
} |
| 404 |
|
| 405 |
$posts = get_posts(array( |
| 406 |
'post_type' => $post_type, |
| 407 |
'posts_per_page' => -1, |
| 408 |
'post_status' => array('publish', 'draft', 'pending', 'future'), |
| 409 |
'meta_query' => array( |
| 410 |
array( |
| 411 |
'key' => '_ai_translation_group', |
| 412 |
'value' => $group, |
| 413 |
'compare' => '=' |
| 414 |
) |
| 415 |
) |
| 416 |
)); |
| 417 |
|
| 418 |
wp_cache_set($cache_key, $posts, 'aibui_translations', MINUTE_IN_SECONDS); |
| 419 |
return $posts; |
| 420 |
} |
| 421 |
|
| 422 |
public function maybe_swap_template_part($pre_render, $block) |
| 423 |
{ |
| 424 |
if (!is_array($block) || ($block['blockName'] ?? '') !== 'core/template-part') { |
| 425 |
return $pre_render; |
| 426 |
} |
| 427 |
|
| 428 |
$slug = $block['attrs']['slug'] ?? ''; |
| 429 |
if (!$slug) { |
| 430 |
return $pre_render; |
| 431 |
} |
| 432 |
|
| 433 |
$theme = $block['attrs']['theme'] ?? wp_get_theme()->get_stylesheet(); |
| 434 |
$base_part = $this->get_template_part_post($slug, $theme); |
| 435 |
if (!$base_part) { |
| 436 |
return $pre_render; |
| 437 |
} |
| 438 |
|
| 439 |
$group = get_post_meta($base_part->ID, '_ai_translation_group', true); |
| 440 |
if (!$group) { |
| 441 |
return $pre_render; |
| 442 |
} |
| 443 |
|
| 444 |
$translated = $this->get_translation_in_lang($group, 'wp_template_part', $this->current_lang); |
| 445 |
if (!$translated) { |
| 446 |
return $pre_render; |
| 447 |
} |
| 448 |
|
| 449 |
return do_blocks($translated->post_content); |
| 450 |
} |
| 451 |
|
| 452 |
private function get_template_part_post($slug, $theme) |
| 453 |
{ |
| 454 |
$parts = get_posts(array( |
| 455 |
'post_type' => 'wp_template_part', |
| 456 |
'name' => $slug, |
| 457 |
'posts_per_page' => 1, |
| 458 |
'post_status' => array('publish', 'draft', 'pending', 'future'), |
| 459 |
'tax_query' => array( |
| 460 |
array( |
| 461 |
'taxonomy' => 'wp_theme', |
| 462 |
'field' => 'name', |
| 463 |
'terms' => $theme, |
| 464 |
) |
| 465 |
) |
| 466 |
)); |
| 467 |
|
| 468 |
return $parts ? $parts[0] : null; |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
|
