2025-02-19 16:41:04 +01:00

2936 lines
85 KiB
PHP

<?php
/**
* @package Grav\Common\Page
*
* @copyright Copyright (c) 2015 - 2024 Trilby Media, LLC. All rights reserved.
* @license MIT License; see LICENSE file for details.
*/
namespace Grav\Common\Page;
use Exception;
use Grav\Common\Cache;
use Grav\Common\Config\Config;
use Grav\Common\Data\Blueprint;
use Grav\Common\File\CompiledYamlFile;
use Grav\Common\Filesystem\Folder;
use Grav\Common\Grav;
use Grav\Common\Language\Language;
use Grav\Common\Markdown\Parsedown;
use Grav\Common\Markdown\ParsedownExtra;
use Grav\Common\Page\Interfaces\PageCollectionInterface;
use Grav\Common\Page\Interfaces\PageInterface;
use Grav\Common\Media\Traits\MediaTrait;
use Grav\Common\Page\Markdown\Excerpts;
use Grav\Common\Page\Traits\PageFormTrait;
use Grav\Common\Twig\Twig;
use Grav\Common\Uri;
use Grav\Common\Utils;
use Grav\Common\Yaml;
use Grav\Framework\Flex\Flex;
use InvalidArgumentException;
use RocketTheme\Toolbox\Event\Event;
use RocketTheme\Toolbox\File\MarkdownFile;
use RuntimeException;
use SplFileInfo;
use function dirname;
use function in_array;
use function is_array;
use function is_object;
use function is_string;
use function strlen;
define('PAGE_ORDER_PREFIX_REGEX', '/^[0-9]+\./u');
/**
* Class Page
* @package Grav\Common\Page
*/
class Page implements PageInterface
{
use PageFormTrait;
use MediaTrait;
/** @var string|null Filename. Leave as null if page is folder. */
protected $name;
/** @var bool */
protected $initialized = false;
/** @var string */
protected $folder;
/** @var string */
protected $path;
/** @var string */
protected $extension;
/** @var string */
protected $url_extension;
/** @var string */
protected $id;
/** @var string */
protected $parent;
/** @var string */
protected $template;
/** @var int */
protected $expires;
/** @var string */
protected $cache_control;
/** @var bool */
protected $visible;
/** @var bool */
protected $published;
/** @var int */
protected $publish_date;
/** @var int|null */
protected $unpublish_date;
/** @var string */
protected $slug;
/** @var string|null */
protected $route;
/** @var string|null */
protected $raw_route;
/** @var string */
protected $url;
/** @var array */
protected $routes;
/** @var bool */
protected $routable;
/** @var int */
protected $modified;
/** @var string */
protected $redirect;
/** @var string */
protected $external_url;
/** @var object|null */
protected $header;
/** @var string */
protected $frontmatter;
/** @var string */
protected $language;
/** @var string|null */
protected $content;
/** @var array */
protected $content_meta;
/** @var string|null */
protected $summary;
/** @var string */
protected $raw_content;
/** @var array|null */
protected $metadata;
/** @var string */
protected $title;
/** @var int */
protected $max_count;
/** @var string */
protected $menu;
/** @var int */
protected $date;
/** @var string */
protected $dateformat;
/** @var array */
protected $taxonomy;
/** @var string */
protected $order_by;
/** @var string */
protected $order_dir;
/** @var array|string|null */
protected $order_manual;
/** @var bool */
protected $modular_twig;
/** @var array */
protected $process;
/** @var int|null */
protected $summary_size;
/** @var bool */
protected $markdown_extra;
/** @var bool */
protected $etag;
/** @var bool */
protected $last_modified;
/** @var string */
protected $home_route;
/** @var bool */
protected $hide_home_route;
/** @var bool */
protected $ssl;
/** @var string */
protected $template_format;
/** @var bool */
protected $debugger;
/** @var PageInterface|null Unmodified (original) version of the page. Used for copying and moving the page. */
private $_original;
/** @var string Action */
private $_action;
/**
* Page Object Constructor
*/
public function __construct()
{
/** @var Config $config */
$config = Grav::instance()['config'];
$this->taxonomy = [];
$this->process = $config->get('system.pages.process');
$this->published = true;
}
/**
* Initializes the page instance variables based on a file
*
* @param SplFileInfo $file The file information for the .md file that the page represents
* @param string|null $extension
* @return $this
*/
public function init(SplFileInfo $file, $extension = null)
{
$config = Grav::instance()['config'];
$this->initialized = true;
// some extension logic
if (empty($extension)) {
$this->extension('.' . $file->getExtension());
} else {
$this->extension($extension);
}
// extract page language from page extension
$language = trim(Utils::basename($this->extension(), 'md'), '.') ?: null;
$this->language($language);
$this->hide_home_route = $config->get('system.home.hide_in_urls', false);
$this->home_route = $this->adjustRouteCase($config->get('system.home.alias'));
$this->filePath($file->getPathname());
$this->modified($file->getMTime());
$this->id($this->modified() . md5($this->filePath()));
$this->routable(true);
$this->header();
$this->date();
$this->metadata();
$this->url();
$this->visible();
$this->modularTwig(strpos($this->slug(), '_') === 0);
$this->setPublishState();
$this->published();
$this->urlExtension();
return $this;
}
#[\ReturnTypeWillChange]
public function __clone()
{
$this->initialized = false;
$this->header = $this->header ? clone $this->header : null;
}
/**
* @return void
*/
public function initialize(): void
{
if (!$this->initialized) {
$this->initialized = true;
$this->route = null;
$this->raw_route = null;
$this->_forms = null;
}
}
/**
* @return void
*/
protected function processFrontmatter()
{
// Quick check for twig output tags in frontmatter if enabled
$process_fields = (array)$this->header();
if (Utils::contains(json_encode(array_values($process_fields)), '{{')) {
$ignored_fields = [];
foreach ((array)Grav::instance()['config']->get('system.pages.frontmatter.ignore_fields') as $field) {
if (isset($process_fields[$field])) {
$ignored_fields[$field] = $process_fields[$field];
unset($process_fields[$field]);
}
}
$text_header = Grav::instance()['twig']->processString(json_encode($process_fields, JSON_UNESCAPED_UNICODE), ['page' => $this]);
$this->header((object)(json_decode($text_header, true) + $ignored_fields));
}
}
/**
* Return an array with the routes of other translated languages
*
* @param bool $onlyPublished only return published translations
* @return array the page translated languages
*/
public function translatedLanguages($onlyPublished = false)
{
$grav = Grav::instance();
/** @var Language $language */
$language = $grav['language'];
$languages = $language->getLanguages();
$defaultCode = $language->getDefault();
$name = substr($this->name, 0, -strlen($this->extension()));
$translatedLanguages = [];
foreach ($languages as $languageCode) {
$languageExtension = ".{$languageCode}.md";
$path = $this->path . DS . $this->folder . DS . $name . $languageExtension;
$exists = file_exists($path);
// Default language may be saved without language file location.
if (!$exists && $languageCode === $defaultCode) {
$languageExtension = '.md';
$path = $this->path . DS . $this->folder . DS . $name . $languageExtension;
$exists = file_exists($path);
}
if ($exists) {
$aPage = new Page();
$aPage->init(new SplFileInfo($path), $languageExtension);
$aPage->route($this->route());
$aPage->rawRoute($this->rawRoute());
$route = $aPage->header()->routes['default'] ?? $aPage->rawRoute();
if (!$route) {
$route = $aPage->route();
}
if ($onlyPublished && !$aPage->published()) {
continue;
}
$translatedLanguages[$languageCode] = $route;
}
}
return $translatedLanguages;
}
/**
* Return an array listing untranslated languages available
*
* @param bool $includeUnpublished also list unpublished translations
* @return array the page untranslated languages
*/
public function untranslatedLanguages($includeUnpublished = false)
{
$grav = Grav::instance();
/** @var Language $language */
$language = $grav['language'];
$languages = $language->getLanguages();
$translated = array_keys($this->translatedLanguages(!$includeUnpublished));
return array_values(array_diff($languages, $translated));
}
/**
* Gets and Sets the raw data
*
* @param string|null $var Raw content string
* @return string Raw content string
*/
public function raw($var = null)
{
$file = $this->file();
if ($var) {
// First update file object.
if ($file) {
$file->raw($var);
}
// Reset header and content.
$this->modified = time();
$this->id($this->modified() . md5($this->filePath()));
$this->header = null;
$this->content = null;
$this->summary = null;
}
return $file ? $file->raw() : '';
}
/**
* Gets and Sets the page frontmatter
*
* @param string|null $var
*
* @return string
*/
public function frontmatter($var = null)
{
if ($var) {
$this->frontmatter = (string)$var;
// Update also file object.
$file = $this->file();
if ($file) {
$file->frontmatter((string)$var);
}
// Force content re-processing.
$this->id(time() . md5($this->filePath()));
}
if (!$this->frontmatter) {
$this->header();
}
return $this->frontmatter;
}
/**
* Gets and Sets the header based on the YAML configuration at the top of the .md file
*
* @param object|array|null $var a YAML object representing the configuration for the file
* @return \stdClass the current YAML configuration
*/
public function header($var = null)
{
if ($var) {
$this->header = (object)$var;
// Update also file object.
$file = $this->file();
if ($file) {
$file->header((array)$var);
}
// Force content re-processing.
$this->id(time() . md5($this->filePath()));
}
if (!$this->header) {
$file = $this->file();
if ($file) {
try {
$this->raw_content = $file->markdown();
$this->frontmatter = $file->frontmatter();
$this->header = (object)$file->header();
if (!Utils::isAdminPlugin()) {
// If there's a `frontmatter.yaml` file merge that in with the page header
// note page's own frontmatter has precedence and will overwrite any defaults
$frontmatter_filename = $this->path . '/' . $this->folder . '/frontmatter.yaml';
if (file_exists($frontmatter_filename)) {
$frontmatter_file = CompiledYamlFile::instance($frontmatter_filename);
$frontmatter_data = $frontmatter_file->content();
$this->header = (object)array_replace_recursive(
$frontmatter_data,
(array)$this->header
);
$frontmatter_file->free();
}
// Process frontmatter with Twig if enabled
if (Grav::instance()['config']->get('system.pages.frontmatter.process_twig') === true) {
$this->processFrontmatter();
}
}
} catch (Exception $e) {
$file->raw(Grav::instance()['language']->translate([
'GRAV.FRONTMATTER_ERROR_PAGE',
$this->slug(),
$file->filename(),
$e->getMessage(),
$file->raw()
]));
$this->raw_content = $file->markdown();
$this->frontmatter = $file->frontmatter();
$this->header = (object)$file->header();
}
$var = true;
}
}
if ($var) {
if (isset($this->header->modified)) {
$this->modified($this->header->modified);
}
if (isset($this->header->slug)) {
$this->slug($this->header->slug);
}
if (isset($this->header->routes)) {
$this->routes = (array)$this->header->routes;
}
if (isset($this->header->title)) {
$this->title = trim($this->header->title);
}
if (isset($this->header->language)) {
$this->language = trim($this->header->language);
}
if (isset($this->header->template)) {
$this->template = trim($this->header->template);
}
if (isset($this->header->menu)) {
$this->menu = trim($this->header->menu);
}
if (isset($this->header->routable)) {
$this->routable = (bool)$this->header->routable;
}
if (isset($this->header->visible)) {
$this->visible = (bool)$this->header->visible;
}
if (isset($this->header->redirect)) {
$this->redirect = trim($this->header->redirect);
}
if (isset($this->header->external_url)) {
$this->external_url = trim($this->header->external_url);
}
if (isset($this->header->order_dir)) {
$this->order_dir = trim($this->header->order_dir);
}
if (isset($this->header->order_by)) {
$this->order_by = trim($this->header->order_by);
}
if (isset($this->header->order_manual)) {
$this->order_manual = (array)$this->header->order_manual;
}
if (isset($this->header->dateformat)) {
$this->dateformat($this->header->dateformat);
}
if (isset($this->header->date)) {
$this->date($this->header->date);
}
if (isset($this->header->markdown_extra)) {
$this->markdown_extra = (bool)$this->header->markdown_extra;
}
if (isset($this->header->taxonomy)) {
$this->taxonomy($this->header->taxonomy);
}
if (isset($this->header->max_count)) {
$this->max_count = (int)$this->header->max_count;
}
if (isset($this->header->process)) {
foreach ((array)$this->header->process as $process => $status) {
$this->process[$process] = (bool)$status;
}
}
if (isset($this->header->published)) {
$this->published = (bool)$this->header->published;
}
if (isset($this->header->publish_date)) {
$this->publishDate($this->header->publish_date);
}
if (isset($this->header->unpublish_date)) {
$this->unpublishDate($this->header->unpublish_date);
}
if (isset($this->header->expires)) {
$this->expires = (int)$this->header->expires;
}
if (isset($this->header->cache_control)) {
$this->cache_control = $this->header->cache_control;
}
if (isset($this->header->etag)) {
$this->etag = (bool)$this->header->etag;
}
if (isset($this->header->last_modified)) {
$this->last_modified = (bool)$this->header->last_modified;
}
if (isset($this->header->ssl)) {
$this->ssl = (bool)$this->header->ssl;
}
if (isset($this->header->template_format)) {
$this->template_format = $this->header->template_format;
}
if (isset($this->header->debugger)) {
$this->debugger = (bool)$this->header->debugger;
}
if (isset($this->header->append_url_extension)) {
$this->url_extension = $this->header->append_url_extension;
}
}
return $this->header;
}
/**
* Get page language
*
* @param string|null $var
* @return mixed
*/
public function language($var = null)
{
if ($var !== null) {
$this->language = $var;
}
return $this->language;
}
/**
* Modify a header value directly
*
* @param string $key
* @param mixed $value
*/
public function modifyHeader($key, $value)
{
$this->header->{$key} = $value;
}
/**
* @return int
*/
public function httpResponseCode()
{
return (int)($this->header()->http_response_code ?? 200);
}
/**
* @return array
*/
public function httpHeaders()
{
$headers = [];
$grav = Grav::instance();
$format = $this->templateFormat();
$cache_control = $this->cacheControl();
$expires = $this->expires();
// Set Content-Type header
$headers['Content-Type'] = Utils::getMimeByExtension($format, 'text/html');
// Calculate Expires Headers if set to > 0
if ($expires > 0) {
$expires_date = gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT';
if (!$cache_control) {
$headers['Cache-Control'] = 'max-age=' . $expires;
}
$headers['Expires'] = $expires_date;
}
// Set Cache-Control header
if ($cache_control) {
$headers['Cache-Control'] = strtolower($cache_control);
}
// Set Last-Modified header
if ($this->lastModified()) {
$last_modified = $this->modified();
foreach ($this->children()->modular() as $cpage) {
$modular_mtime = $cpage->modified();
if ($modular_mtime > $last_modified) {
$last_modified = $modular_mtime;
}
}
$last_modified_date = gmdate('D, d M Y H:i:s', $last_modified) . ' GMT';
$headers['Last-Modified'] = $last_modified_date;
}
// Ask Grav to calculate ETag from the final content.
if ($this->eTag()) {
$headers['ETag'] = '1';
}
// Set Vary: Accept-Encoding header
if ($grav['config']->get('system.pages.vary_accept_encoding', false)) {
$headers['Vary'] = 'Accept-Encoding';
}
// Added new Headers event
$headers_obj = (object) $headers;
Grav::instance()->fireEvent('onPageHeaders', new Event(['headers' => $headers_obj]));
return (array)$headers_obj;
}
/**
* Get the summary.
*
* @param int|null $size Max summary size.
* @param bool $textOnly Only count text size.
* @return string
*/
public function summary($size = null, $textOnly = false)
{
$config = (array)Grav::instance()['config']->get('site.summary');
if (isset($this->header->summary)) {
$config = array_merge($config, $this->header->summary);
}
// Return summary based on settings in site config file
if (!$config['enabled']) {
return $this->content();
}
// Set up variables to process summary from page or from custom summary
if ($this->summary === null) {
$content = $textOnly ? strip_tags($this->content()) : $this->content();
$summary_size = $this->summary_size;
} else {
$content = $textOnly ? strip_tags($this->summary) : $this->summary;
$summary_size = mb_strwidth($content, 'utf-8');
}
// Return calculated summary based on summary divider's position
$format = $config['format'];
// Return entire page content on wrong/ unknown format
if (!in_array($format, ['short', 'long'])) {
return $content;
}
if (($format === 'short') && isset($summary_size)) {
// Slice the string
if (mb_strwidth($content, 'utf8') > $summary_size) {
return mb_substr($content, 0, $summary_size);
}
return $content;
}
// Get summary size from site config's file
if ($size === null) {
$size = $config['size'];
}
// If the size is zero, return the entire page content
if ($size === 0) {
return $content;
// Return calculated summary based on defaults
}
if (!is_numeric($size) || ($size < 0)) {
$size = 300;
}
// Only return string but not html, wrap whatever html tag you want when using
if ($textOnly) {
if (mb_strwidth($content, 'utf-8') <= $size) {
return $content;
}
return mb_strimwidth($content, 0, $size, '…', 'UTF-8');
}
$summary = Utils::truncateHtml($content, $size);
return html_entity_decode($summary, ENT_COMPAT | ENT_HTML401, 'UTF-8');
}
/**
* Sets the summary of the page
*
* @param string $summary Summary
*/
public function setSummary($summary)
{
$this->summary = $summary;
}
/**
* Gets and Sets the content based on content portion of the .md file
*
* @param string|null $var Content
* @return string Content
*/
public function content($var = null)
{
if ($var !== null) {
$this->raw_content = $var;
// Update file object.
$file = $this->file();
if ($file) {
$file->markdown($var);
}
// Force re-processing.
$this->id(time() . md5($this->filePath()));
$this->content = null;
}
// If no content, process it
if ($this->content === null) {
// Get media
$this->media();
/** @var Config $config */
$config = Grav::instance()['config'];
// Load cached content
/** @var Cache $cache */
$cache = Grav::instance()['cache'];
$cache_id = md5('page' . $this->getCacheKey());
$content_obj = $cache->fetch($cache_id);
if (is_array($content_obj)) {
$this->content = $content_obj['content'];
$this->content_meta = $content_obj['content_meta'];
} else {
$this->content = $content_obj;
}
$process_markdown = $this->shouldProcess('markdown');
$process_twig = $this->shouldProcess('twig') || $this->modularTwig();
$cache_enable = $this->header->cache_enable ?? $config->get(
'system.cache.enabled',
true
);
$twig_first = $this->header->twig_first ?? $config->get(
'system.pages.twig_first',
false
);
// never cache twig means it's always run after content
$never_cache_twig = $this->header->never_cache_twig ?? $config->get(
'system.pages.never_cache_twig',
true
);
// if no cached-content run everything
if ($never_cache_twig) {
if ($this->content === false || $cache_enable === false) {
$this->content = $this->raw_content;
Grav::instance()->fireEvent('onPageContentRaw', new Event(['page' => $this]));
if ($process_markdown) {
$this->processMarkdown();
}
// Content Processed but not cached yet
Grav::instance()->fireEvent('onPageContentProcessed', new Event(['page' => $this]));
if ($cache_enable) {
$this->cachePageContent();
}
}
if ($process_twig) {
$this->processTwig();
}
} else {
if ($this->content === false || $cache_enable === false) {
$this->content = $this->raw_content;
Grav::instance()->fireEvent('onPageContentRaw', new Event(['page' => $this]));
if ($twig_first) {
if ($process_twig) {
$this->processTwig();
}
if ($process_markdown) {
$this->processMarkdown();
}
// Content Processed but not cached yet
Grav::instance()->fireEvent('onPageContentProcessed', new Event(['page' => $this]));
} else {
if ($process_markdown) {
$this->processMarkdown($process_twig);
}
// Content Processed but not cached yet
Grav::instance()->fireEvent('onPageContentProcessed', new Event(['page' => $this]));
if ($process_twig) {
$this->processTwig();
}
}
if ($cache_enable) {
$this->cachePageContent();
}
}
}
// Handle summary divider
$delimiter = $config->get('site.summary.delimiter', '===');
$divider_pos = mb_strpos($this->content, "<p>{$delimiter}</p>");
if ($divider_pos !== false) {
$this->summary_size = $divider_pos;
$this->content = str_replace("<p>{$delimiter}</p>", '', $this->content);
}
// Fire event when Page::content() is called
Grav::instance()->fireEvent('onPageContent', new Event(['page' => $this]));
}
return $this->content;
}
/**
* Get the contentMeta array and initialize content first if it's not already
*
* @return mixed
*/
public function contentMeta()
{
if ($this->content === null) {
$this->content();
}
return $this->getContentMeta();
}
/**
* Add an entry to the page's contentMeta array
*
* @param string $name
* @param mixed $value
*/
public function addContentMeta($name, $value)
{
$this->content_meta[$name] = $value;
}
/**
* Return the whole contentMeta array as it currently stands
*
* @param string|null $name
*
* @return mixed|null
*/
public function getContentMeta($name = null)
{
if ($name) {
return $this->content_meta[$name] ?? null;
}
return $this->content_meta;
}
/**
* Sets the whole content meta array in one shot
*
* @param array $content_meta
*
* @return array
*/
public function setContentMeta($content_meta)
{
return $this->content_meta = $content_meta;
}
/**
* Process the Markdown content. Uses Parsedown or Parsedown Extra depending on configuration
*
* @param bool $keepTwig If true, content between twig tags will not be processed.
* @return void
*/
protected function processMarkdown(bool $keepTwig = false)
{
/** @var Config $config */
$config = Grav::instance()['config'];
$markdownDefaults = (array)$config->get('system.pages.markdown');
if (isset($this->header()->markdown)) {
$markdownDefaults = array_merge($markdownDefaults, $this->header()->markdown);
}
// pages.markdown_extra is deprecated, but still check it...
if (!isset($markdownDefaults['extra']) && (isset($this->markdown_extra) || $config->get('system.pages.markdown_extra') !== null)) {
user_error('Configuration option \'system.pages.markdown_extra\' is deprecated since Grav 1.5, use \'system.pages.markdown.extra\' instead', E_USER_DEPRECATED);
$markdownDefaults['extra'] = $this->markdown_extra ?: $config->get('system.pages.markdown_extra');
}
$extra = $markdownDefaults['extra'] ?? false;
$defaults = [
'markdown' => $markdownDefaults,
'images' => $config->get('system.images', [])
];
$excerpts = new Excerpts($this, $defaults);
// Initialize the preferred variant of Parsedown
if ($extra) {
$parsedown = new ParsedownExtra($excerpts);
} else {
$parsedown = new Parsedown($excerpts);
}
$content = $this->content;
if ($keepTwig) {
$token = [
'/' . Utils::generateRandomString(3),
Utils::generateRandomString(3) . '/'
];
// Base64 encode any twig.
$content = preg_replace_callback(
['/({#.*?#})/mu', '/({{.*?}})/mu', '/({%.*?%})/mu'],
static function ($matches) use ($token) { return $token[0] . base64_encode($matches[1]) . $token[1]; },
$content
);
}
$content = $parsedown->text($content);
if ($keepTwig) {
// Base64 decode the encoded twig.
$content = preg_replace_callback(
['`' . $token[0] . '([A-Za-z0-9+/]+={0,2})' . $token[1] . '`mu'],
static function ($matches) { return base64_decode($matches[1]); },
$content
);
}
$this->content = $content;
}
/**
* Process the Twig page content.
*
* @return void
*/
private function processTwig()
{
/** @var Twig $twig */
$twig = Grav::instance()['twig'];
$this->content = $twig->processPage($this, $this->content);
}
/**
* Fires the onPageContentProcessed event, and caches the page content using a unique ID for the page
*
* @return void
*/
public function cachePageContent()
{
/** @var Cache $cache */
$cache = Grav::instance()['cache'];
$cache_id = md5('page' . $this->getCacheKey());
$cache->save($cache_id, ['content' => $this->content, 'content_meta' => $this->content_meta]);
}
/**
* Needed by the onPageContentProcessed event to get the raw page content
*
* @return string the current page content
*/
public function getRawContent()
{
return $this->content;
}
/**
* Needed by the onPageContentProcessed event to set the raw page content
*
* @param string|null $content
* @return void
*/
public function setRawContent($content)
{
$this->content = $content ?? '';
}
/**
* Get value from a page variable (used mostly for creating edit forms).
*
* @param string $name Variable name.
* @param mixed $default
* @return mixed
*/
public function value($name, $default = null)
{
if ($name === 'content') {
return $this->raw_content;
}
if ($name === 'route') {
$parent = $this->parent();
return $parent ? $parent->rawRoute() : '';
}
if ($name === 'order') {
$order = $this->order();
return $order ? (int)$this->order() : '';
}
if ($name === 'ordering') {
return (bool)$this->order();
}
if ($name === 'folder') {
return preg_replace(PAGE_ORDER_PREFIX_REGEX, '', $this->folder);
}
if ($name === 'slug') {
return $this->slug();
}
if ($name === 'name') {
$name = $this->name();
$language = $this->language() ? '.' . $this->language() : '';
$pattern = '%(' . preg_quote($language, '%') . ')?\.md$%';
$name = preg_replace($pattern, '', $name);
if ($this->isModule()) {
return 'modular/' . $name;
}
return $name;
}
if ($name === 'media') {
return $this->media()->all();
}
if ($name === 'media.file') {
return $this->media()->files();
}
if ($name === 'media.video') {
return $this->media()->videos();
}
if ($name === 'media.image') {
return $this->media()->images();
}
if ($name === 'media.audio') {
return $this->media()->audios();
}
$path = explode('.', $name);
$scope = array_shift($path);
if ($name === 'frontmatter') {
return $this->frontmatter;
}
if ($scope === 'header') {
$current = $this->header();
foreach ($path as $field) {
if (is_object($current) && isset($current->{$field})) {
$current = $current->{$field};
} elseif (is_array($current) && isset($current[$field])) {
$current = $current[$field];
} else {
return $default;
}
}
return $current;
}
return $default;
}
/**
* Gets and Sets the Page raw content
*
* @param string|null $var
* @return string
*/
public function rawMarkdown($var = null)
{
if ($var !== null) {
$this->raw_content = $var;
}
return $this->raw_content;
}
/**
* @return bool
* @internal
*/
public function translated(): bool
{
return $this->initialized;
}
/**
* Get file object to the page.
*
* @return MarkdownFile|null
*/
public function file()
{
if ($this->name) {
return MarkdownFile::instance($this->filePath());
}
return null;
}
/**
* Save page if there's a file assigned to it.
*
* @param bool|array $reorder Internal use.
*/
public function save($reorder = true)
{
// Perform move, copy [or reordering] if needed.
$this->doRelocation();
$file = $this->file();
if ($file) {
$file->filename($this->filePath());
$file->header((array)$this->header());
$file->markdown($this->raw_content);
$file->save();
}
// Perform reorder if required
if ($reorder && is_array($reorder)) {
$this->doReorder($reorder);
}
// We need to signal Flex Pages about the change.
/** @var Flex|null $flex */
$flex = Grav::instance()['flex'] ?? null;
$directory = $flex ? $flex->getDirectory('pages') : null;
if (null !== $directory) {
$directory->clearCache();
}
$this->_original = null;
}
/**
* Prepare move page to new location. Moves also everything that's under the current page.
*
* You need to call $this->save() in order to perform the move.
*
* @param PageInterface $parent New parent page.
* @return $this
*/
public function move(PageInterface $parent)
{
if (!$this->_original) {
$clone = clone $this;
$this->_original = $clone;
}
$this->_action = 'move';
if ($this->route() === $parent->route()) {
throw new RuntimeException('Failed: Cannot set page parent to self');
}
if (Utils::startsWith($parent->rawRoute(), $this->rawRoute())) {
throw new RuntimeException('Failed: Cannot set page parent to a child of current page');
}
$this->parent($parent);
$this->id(time() . md5($this->filePath()));
if ($parent->path()) {
$this->path($parent->path() . '/' . $this->folder());
}
if ($parent->route()) {
$this->route($parent->route() . '/' . $this->slug());
} else {
$this->route(Grav::instance()['pages']->root()->route() . '/' . $this->slug());
}
$this->raw_route = null;
return $this;
}
/**
* Prepare a copy from the page. Copies also everything that's under the current page.
*
* Returns a new Page object for the copy.
* You need to call $this->save() in order to perform the move.
*
* @param PageInterface $parent New parent page.
* @return $this
*/
public function copy(PageInterface $parent)
{
$this->move($parent);
$this->_action = 'copy';
return $this;
}
/**
* Get blueprints for the page.
*
* @return Blueprint
*/
public function blueprints()
{
$grav = Grav::instance();
/** @var Pages $pages */
$pages = $grav['pages'];
$blueprint = $pages->blueprints($this->blueprintName());
$fields = $blueprint->fields();
$edit_mode = isset($grav['admin']) ? $grav['config']->get('plugins.admin.edit_mode') : null;
// override if you only want 'normal' mode
if (empty($fields) && ($edit_mode === 'auto' || $edit_mode === 'normal')) {
$blueprint = $pages->blueprints('default');
}
// override if you only want 'expert' mode
if (!empty($fields) && $edit_mode === 'expert') {
$blueprint = $pages->blueprints('');
}
return $blueprint;
}
/**
* Returns the blueprint from the page.
*
* @param string $name Not used.
* @return Blueprint Returns a Blueprint.
*/
public function getBlueprint(string $name = '')
{
return $this->blueprints();
}
/**
* Get the blueprint name for this page. Use the blueprint form field if set
*
* @return string
*/
public function blueprintName()
{
if (!isset($_POST['blueprint'])) {
return $this->template();
}
$post_value = $_POST['blueprint'];
$sanitized_value = htmlspecialchars(strip_tags($post_value), ENT_QUOTES, 'UTF-8');
return $sanitized_value ?: $this->template();
}
/**
* Validate page header.
*
* @return void
* @throws Exception
*/
public function validate()
{
$blueprints = $this->blueprints();
$blueprints->validate($this->toArray());
}
/**
* Filter page header from illegal contents.
*
* @return void
*/
public function filter()
{
$blueprints = $this->blueprints();
$values = $blueprints->filter($this->toArray());
if ($values && isset($values['header'])) {
$this->header($values['header']);
}
}
/**
* Get unknown header variables.
*
* @return array
*/
public function extra()
{
$blueprints = $this->blueprints();
return $blueprints->extra($this->toArray()['header'], 'header.');
}
/**
* Convert page to an array.
*
* @return array
*/
public function toArray()
{
return [
'header' => (array)$this->header(),
'content' => (string)$this->value('content')
];
}
/**
* Convert page to YAML encoded string.
*
* @return string
*/
public function toYaml()
{
return Yaml::dump($this->toArray(), 20);
}
/**
* Convert page to JSON encoded string.
*
* @return string
*/
public function toJson()
{
return json_encode($this->toArray());
}
/**
* @return string
*/
public function getCacheKey(): string
{
return $this->id();
}
/**
* Gets and sets the associated media as found in the page folder.
*
* @param Media|null $var Representation of associated media.
* @return Media Representation of associated media.
*/
public function media($var = null)
{
if ($var) {
$this->setMedia($var);
}
/** @var Media $media */
$media = $this->getMedia();
return $media;
}
/**
* Get filesystem path to the associated media.
*
* @return string|null
*/
public function getMediaFolder()
{
return $this->path();
}
/**
* Get display order for the associated media.
*
* @return array Empty array means default ordering.
*/
public function getMediaOrder()
{
$header = $this->header();
return isset($header->media_order) ? array_map('trim', explode(',', (string)$header->media_order)) : [];
}
/**
* Gets and sets the name field. If no name field is set, it will return 'default.md'.
*
* @param string|null $var The name of this page.
* @return string The name of this page.
*/
public function name($var = null)
{
if ($var !== null) {
$this->name = $var;
}
return $this->name ?: 'default.md';
}
/**
* Returns child page type.
*
* @return string
*/
public function childType()
{
return isset($this->header->child_type) ? (string)$this->header->child_type : '';
}
/**
* Gets and sets the template field. This is used to find the correct Twig template file to render.
* If no field is set, it will return the name without the .md extension
*
* @param string|null $var the template name
* @return string the template name
*/
public function template($var = null)
{
if ($var !== null) {
$this->template = $var;
}
if (empty($this->template)) {
$this->template = ($this->isModule() ? 'modular/' : '') . str_replace($this->extension(), '', $this->name());
}
return $this->template;
}
/**
* Allows a page to override the output render format, usually the extension provided in the URL.
* (e.g. `html`, `json`, `xml`, etc).
*
* @param string|null $var
* @return string
*/
public function templateFormat($var = null)
{
if (null !== $var) {
$this->template_format = is_string($var) ? $var : null;
}
if (!isset($this->template_format)) {
$this->template_format = ltrim($this->header->append_url_extension ?? Utils::getPageFormat(), '.');
}
return $this->template_format;
}
/**
* Gets and sets the extension field.
*
* @param string|null $var
* @return string
*/
public function extension($var = null)
{
if ($var !== null) {
$this->extension = $var;
}
if (empty($this->extension)) {
$this->extension = '.' . Utils::pathinfo($this->name(), PATHINFO_EXTENSION);
}
return $this->extension;
}
/**
* Returns the page extension, got from the page `url_extension` config and falls back to the
* system config `system.pages.append_url_extension`.
*
* @return string The extension of this page. For example `.html`
*/
public function urlExtension()
{
if ($this->home()) {
return '';
}
// if not set in the page get the value from system config
if (null === $this->url_extension) {
$this->url_extension = Grav::instance()['config']->get('system.pages.append_url_extension', '');
}
return $this->url_extension;
}
/**
* Gets and sets the expires field. If not set will return the default
*
* @param int|null $var The new expires value.
* @return int The expires value
*/
public function expires($var = null)
{
if ($var !== null) {
$this->expires = $var;
}
return $this->expires ?? Grav::instance()['config']->get('system.pages.expires');
}
/**
* Gets and sets the cache-control property. If not set it will return the default value (null)
* https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control for more details on valid options
*
* @param string|null $var
* @return string|null
*/
public function cacheControl($var = null)
{
if ($var !== null) {
$this->cache_control = $var;
}
return $this->cache_control ?? Grav::instance()['config']->get('system.pages.cache_control');
}
/**
* Gets and sets the title for this Page. If no title is set, it will use the slug() to get a name
*
* @param string|null $var the title of the Page
* @return string the title of the Page
*/
public function title($var = null)
{
if ($var !== null) {
$this->title = $var;
}
if (empty($this->title)) {
$this->title = ucfirst($this->slug());
}
return $this->title;
}
/**
* Gets and sets the menu name for this Page. This is the text that can be used specifically for navigation.
* If no menu field is set, it will use the title()
*
* @param string|null $var the menu field for the page
* @return string the menu field for the page
*/
public function menu($var = null)
{
if ($var !== null) {
$this->menu = $var;
}
if (empty($this->menu)) {
$this->menu = $this->title();
}
return $this->menu;
}
/**
* Gets and Sets whether or not this Page is visible for navigation
*
* @param bool|null $var true if the page is visible
* @return bool true if the page is visible
*/
public function visible($var = null)
{
if ($var !== null) {
$this->visible = (bool)$var;
}
if ($this->visible === null) {
// Set item visibility in menu if folder is different from slug
// eg folder = 01.Home and slug = Home
if (preg_match(PAGE_ORDER_PREFIX_REGEX, $this->folder)) {
$this->visible = true;
} else {
$this->visible = false;
}
}
return $this->visible;
}
/**
* Gets and Sets whether or not this Page is considered published
*
* @param bool|null $var true if the page is published
* @return bool true if the page is published
*/
public function published($var = null)
{
if ($var !== null) {
$this->published = (bool)$var;
}
// If not published, should not be visible in menus either
if ($this->published === false) {
$this->visible = false;
}
return $this->published;
}
/**
* Gets and Sets the Page publish date
*
* @param string|null $var string representation of a date
* @return int unix timestamp representation of the date
*/
public function publishDate($var = null)
{
if ($var !== null) {
$this->publish_date = Utils::date2timestamp($var, $this->dateformat);
}
return $this->publish_date;
}
/**
* Gets and Sets the Page unpublish date
*
* @param string|null $var string representation of a date
* @return int|null unix timestamp representation of the date
*/
public function unpublishDate($var = null)
{
if ($var !== null) {
$this->unpublish_date = Utils::date2timestamp($var, $this->dateformat);
}
return $this->unpublish_date;
}
/**
* Gets and Sets whether or not this Page is routable, ie you can reach it
* via a URL.
* The page must be *routable* and *published*
*
* @param bool|null $var true if the page is routable
* @return bool true if the page is routable
*/
public function routable($var = null)
{
if ($var !== null) {
$this->routable = (bool)$var;
}
return $this->routable && $this->published();
}
/**
* @param bool|null $var
* @return bool
*/
public function ssl($var = null)
{
if ($var !== null) {
$this->ssl = (bool)$var;
}
return $this->ssl;
}
/**
* Gets and Sets the process setup for this Page. This is multi-dimensional array that consists of
* a simple array of arrays with the form array("markdown"=>true) for example
*
* @param array|null $var an Array of name value pairs where the name is the process and value is true or false
* @return array an Array of name value pairs where the name is the process and value is true or false
*/
public function process($var = null)
{
if ($var !== null) {
$this->process = (array)$var;
}
return $this->process;
}
/**
* Returns the state of the debugger override setting for this page
*
* @return bool
*/
public function debugger()
{
return !(isset($this->debugger) && $this->debugger === false);
}
/**
* Function to merge page metadata tags and build an array of Metadata objects
* that can then be rendered in the page.
*
* @param array|null $var an Array of metadata values to set
* @return array an Array of metadata values for the page
*/
public function metadata($var = null)
{
if ($var !== null) {
$this->metadata = (array)$var;
}
// if not metadata yet, process it.
if (null === $this->metadata) {
$header_tag_http_equivs = ['content-type', 'default-style', 'refresh', 'x-ua-compatible', 'content-security-policy'];
$this->metadata = [];
// Set the Generator tag
$metadata = [
'generator' => 'GravCMS'
];
$config = Grav::instance()['config'];
$escape = !$config->get('system.strict_mode.twig_compat', false) || $config->get('system.twig.autoescape', true);
// Get initial metadata for the page
$metadata = array_merge($metadata, $config->get('site.metadata', []));
if (isset($this->header->metadata) && is_array($this->header->metadata)) {
// Merge any site.metadata settings in with page metadata
$metadata = array_merge($metadata, $this->header->metadata);
}
// Build an array of meta objects..
foreach ((array)$metadata as $key => $value) {
// Lowercase the key
$key = strtolower($key);
// If this is a property type metadata: "og", "twitter", "facebook" etc
// Backward compatibility for nested arrays in metas
if (is_array($value)) {
foreach ($value as $property => $prop_value) {
$prop_key = $key . ':' . $property;
$this->metadata[$prop_key] = [
'name' => $prop_key,
'property' => $prop_key,
'content' => $escape ? htmlspecialchars($prop_value, ENT_QUOTES | ENT_HTML5, 'UTF-8') : $prop_value
];
}
} else {
// If it this is a standard meta data type
if ($value) {
if (in_array($key, $header_tag_http_equivs, true)) {
$this->metadata[$key] = [
'http_equiv' => $key,
'content' => $escape ? htmlspecialchars($value, ENT_COMPAT, 'UTF-8') : $value
];
} elseif ($key === 'charset') {
$this->metadata[$key] = ['charset' => $escape ? htmlspecialchars($value, ENT_QUOTES | ENT_HTML5, 'UTF-8') : $value];
} else {
// if it's a social metadata with separator, render as property
$separator = strpos($key, ':');
$hasSeparator = $separator && $separator < strlen($key) - 1;
$entry = [
'content' => $escape ? htmlspecialchars($value, ENT_QUOTES | ENT_HTML5, 'UTF-8') : $value
];
if ($hasSeparator && !Utils::startsWith($key, ['twitter', 'flattr','fediverse'])) {
$entry['property'] = $key;
} else {
$entry['name'] = $key;
}
$this->metadata[$key] = $entry;
}
}
}
}
}
return $this->metadata;
}
/**
* Reset the metadata and pull from header again
*/
public function resetMetadata()
{
$this->metadata = null;
}
/**
* Gets and Sets the slug for the Page. The slug is used in the URL routing. If not set it uses
* the parent folder from the path
*
* @param string|null $var the slug, e.g. 'my-blog'
* @return string the slug
*/
public function slug($var = null)
{
if ($var !== null && $var !== '') {
$this->slug = $var;
}
if (empty($this->slug)) {
$this->slug = $this->adjustRouteCase(preg_replace(PAGE_ORDER_PREFIX_REGEX, '', (string) $this->folder)) ?: null;
}
return $this->slug;
}
/**
* Get/set order number of this page.
*
* @param int|null $var
* @return string|bool
*/
public function order($var = null)
{
if ($var !== null) {
$order = $var ? sprintf('%02d.', (int)$var) : '';
$this->folder($order . preg_replace(PAGE_ORDER_PREFIX_REGEX, '', $this->folder));
return $order;
}
preg_match(PAGE_ORDER_PREFIX_REGEX, $this->folder, $order);
return $order[0] ?? false;
}
/**
* Gets the URL for a page - alias of url().
*
* @param bool $include_host
* @return string the permalink
*/
public function link($include_host = false)
{
return $this->url($include_host);
}
/**
* Gets the URL with host information, aka Permalink.
* @return string The permalink.
*/
public function permalink()
{
return $this->url(true, false, true, true);
}
/**
* Returns the canonical URL for a page
*
* @param bool $include_lang
* @return string
*/
public function canonical($include_lang = true)
{
return $this->url(true, true, $include_lang);
}
/**
* Gets the url for the Page.
*
* @param bool $include_host Defaults false, but true would include http://yourhost.com
* @param bool $canonical True to return the canonical URL
* @param bool $include_base Include base url on multisite as well as language code
* @param bool $raw_route
* @return string The url.
*/
public function url($include_host = false, $canonical = false, $include_base = true, $raw_route = false)
{
// Override any URL when external_url is set
if (isset($this->external_url)) {
return $this->external_url;
}
$grav = Grav::instance();
/** @var Pages $pages */
$pages = $grav['pages'];
/** @var Config $config */
$config = $grav['config'];
// get base route (multi-site base and language)
$route = $include_base ? $pages->baseRoute() : '';
// add full route if configured to do so
if (!$include_host && $config->get('system.absolute_urls', false)) {
$include_host = true;
}
if ($canonical) {
$route .= $this->routeCanonical();
} elseif ($raw_route) {
$route .= $this->rawRoute();
} else {
$route .= $this->route();
}
/** @var Uri $uri */
$uri = $grav['uri'];
$url = $uri->rootUrl($include_host) . '/' . trim($route, '/') . $this->urlExtension();
return Uri::filterPath($url);
}
/**
* Gets the route for the page based on the route headers if available, else from
* the parents route and the current Page's slug.
*
* @param string|null $var Set new default route.
* @return string|null The route for the Page.
*/
public function route($var = null)
{
if ($var !== null) {
$this->route = $var;
}
if (empty($this->route)) {
$baseRoute = null;
// calculate route based on parent slugs
$parent = $this->parent();
if (isset($parent)) {
if ($this->hide_home_route && $parent->route() === $this->home_route) {
$baseRoute = '';
} else {
$baseRoute = (string)$parent->route();
}
}
$this->route = isset($baseRoute) ? $baseRoute . '/' . $this->slug() : null;
if (!empty($this->routes) && isset($this->routes['default'])) {
$this->routes['aliases'][] = $this->route;
$this->route = $this->routes['default'];
return $this->route;
}
}
return $this->route;
}
/**
* Helper method to clear the route out so it regenerates next time you use it
*/
public function unsetRouteSlug()
{
unset($this->route, $this->slug);
}
/**
* Gets and Sets the page raw route
*
* @param string|null $var
* @return null|string
*/
public function rawRoute($var = null)
{
if ($var !== null) {
$this->raw_route = $var;
}
if (empty($this->raw_route)) {
$parent = $this->parent();
$baseRoute = $parent ? (string)$parent->rawRoute() : null;
$slug = $this->adjustRouteCase(preg_replace(PAGE_ORDER_PREFIX_REGEX, '', $this->folder));
$this->raw_route = isset($baseRoute) ? $baseRoute . '/' . $slug : null;
}
return $this->raw_route;
}
/**
* Gets the route aliases for the page based on page headers.
*
* @param array|null $var list of route aliases
* @return array The route aliases for the Page.
*/
public function routeAliases($var = null)
{
if ($var !== null) {
$this->routes['aliases'] = (array)$var;
}
if (!empty($this->routes) && isset($this->routes['aliases'])) {
return $this->routes['aliases'];
}
return [];
}
/**
* Gets the canonical route for this page if its set. If provided it will use
* that value, else if it's `true` it will use the default route.
*
* @param string|null $var
* @return bool|string
*/
public function routeCanonical($var = null)
{
if ($var !== null) {
$this->routes['canonical'] = $var;
}
if (!empty($this->routes) && isset($this->routes['canonical'])) {
return $this->routes['canonical'];
}
return $this->route();
}
/**
* Gets and sets the identifier for this Page object.
*
* @param string|null $var the identifier
* @return string the identifier
*/
public function id($var = null)
{
if (null === $this->id) {
// We need to set unique id to avoid potential cache conflicts between pages.
$var = time() . md5($this->filePath());
}
if ($var !== null) {
// store unique per language
$active_lang = Grav::instance()['language']->getLanguage() ?: '';
$id = $active_lang . $var;
$this->id = $id;
}
return $this->id;
}
/**
* Gets and sets the modified timestamp.
*
* @param int|null $var modified unix timestamp
* @return int modified unix timestamp
*/
public function modified($var = null)
{
if ($var !== null) {
$this->modified = $var;
}
return $this->modified;
}
/**
* Gets the redirect set in the header.
*
* @param string|null $var redirect url
* @return string|null
*/
public function redirect($var = null)
{
if ($var !== null) {
$this->redirect = $var;
}
return $this->redirect ?: null;
}
/**
* Gets and sets the option to show the etag header for the page.
*
* @param bool|null $var show etag header
* @return bool show etag header
*/
public function eTag($var = null): bool
{
if ($var !== null) {
$this->etag = $var;
}
if (!isset($this->etag)) {
$this->etag = (bool)Grav::instance()['config']->get('system.pages.etag');
}
return $this->etag ?? false;
}
/**
* Gets and sets the option to show the last_modified header for the page.
*
* @param bool|null $var show last_modified header
* @return bool show last_modified header
*/
public function lastModified($var = null)
{
if ($var !== null) {
$this->last_modified = $var;
}
if (!isset($this->last_modified)) {
$this->last_modified = (bool)Grav::instance()['config']->get('system.pages.last_modified');
}
return $this->last_modified;
}
/**
* Gets and sets the path to the .md file for this Page object.
*
* @param string|null $var the file path
* @return string|null the file path
*/
public function filePath($var = null)
{
if ($var !== null) {
// Filename of the page.
$this->name = Utils::basename($var);
// Folder of the page.
$this->folder = Utils::basename(dirname($var));
// Path to the page.
$this->path = dirname($var, 2);
}
return rtrim($this->path . '/' . $this->folder . '/' . ($this->name() ?: ''), '/');
}
/**
* Gets the relative path to the .md file
*
* @return string The relative file path
*/
public function filePathClean()
{
return str_replace(GRAV_ROOT . DS, '', $this->filePath());
}
/**
* Returns the clean path to the page file
*
* @return string
*/
public function relativePagePath()
{
return str_replace('/' . $this->name(), '', $this->filePathClean());
}
/**
* Gets and sets the path to the folder where the .md for this Page object resides.
* This is equivalent to the filePath but without the filename.
*
* @param string|null $var the path
* @return string|null the path
*/
public function path($var = null)
{
if ($var !== null) {
// Folder of the page.
$this->folder = Utils::basename($var);
// Path to the page.
$this->path = dirname($var);
}
return $this->path ? $this->path . '/' . $this->folder : null;
}
/**
* Get/set the folder.
*
* @param string|null $var Optional path
* @return string|null
*/
public function folder($var = null)
{
if ($var !== null) {
$this->folder = $var;
}
return $this->folder;
}
/**
* Gets and sets the date for this Page object. This is typically passed in via the page headers
*
* @param string|null $var string representation of a date
* @return int unix timestamp representation of the date
*/
public function date($var = null)
{
if ($var !== null) {
$this->date = Utils::date2timestamp($var, $this->dateformat);
}
if (!$this->date) {
$this->date = $this->modified;
}
return $this->date;
}
/**
* Gets and sets the date format for this Page object. This is typically passed in via the page headers
* using typical PHP date string structure - http://php.net/manual/en/function.date.php
*
* @param string|null $var string representation of a date format
* @return string string representation of a date format
*/
public function dateformat($var = null)
{
if ($var !== null) {
$this->dateformat = $var;
}
return $this->dateformat;
}
/**
* Gets and sets the order by which any sub-pages should be sorted.
*
* @param string|null $var the order, either "asc" or "desc"
* @return string the order, either "asc" or "desc"
* @deprecated 1.6
*/
public function orderDir($var = null)
{
//user_error(__CLASS__ . '::' . __FUNCTION__ . '() is deprecated since Grav 1.6', E_USER_DEPRECATED);
if ($var !== null) {
$this->order_dir = $var;
}
if (empty($this->order_dir)) {
$this->order_dir = 'asc';
}
return $this->order_dir;
}
/**
* Gets and sets the order by which the sub-pages should be sorted.
*
* default - is the order based on the file system, ie 01.Home before 02.Advark
* title - is the order based on the title set in the pages
* date - is the order based on the date set in the pages
* folder - is the order based on the name of the folder with any numerics omitted
*
* @param string|null $var supported options include "default", "title", "date", and "folder"
* @return string supported options include "default", "title", "date", and "folder"
* @deprecated 1.6
*/
public function orderBy($var = null)
{
//user_error(__CLASS__ . '::' . __FUNCTION__ . '() is deprecated since Grav 1.6', E_USER_DEPRECATED);
if ($var !== null) {
$this->order_by = $var;
}
return $this->order_by;
}
/**
* Gets the manual order set in the header.
*
* @param string|null $var supported options include "default", "title", "date", and "folder"
* @return array
* @deprecated 1.6
*/
public function orderManual($var = null)
{
//user_error(__CLASS__ . '::' . __FUNCTION__ . '() is deprecated since Grav 1.6', E_USER_DEPRECATED);
if ($var !== null) {
$this->order_manual = $var;
}
return (array)$this->order_manual;
}
/**
* Gets and sets the maxCount field which describes how many sub-pages should be displayed if the
* sub_pages header property is set for this page object.
*
* @param int|null $var the maximum number of sub-pages
* @return int the maximum number of sub-pages
* @deprecated 1.6
*/
public function maxCount($var = null)
{
//user_error(__CLASS__ . '::' . __FUNCTION__ . '() is deprecated since Grav 1.6', E_USER_DEPRECATED);
if ($var !== null) {
$this->max_count = (int)$var;
}
if (empty($this->max_count)) {
/** @var Config $config */
$config = Grav::instance()['config'];
$this->max_count = (int)$config->get('system.pages.list.count');
}
return $this->max_count;
}
/**
* Gets and sets the taxonomy array which defines which taxonomies this page identifies itself with.
*
* @param array|null $var an array of taxonomies
* @return array an array of taxonomies
*/
public function taxonomy($var = null)
{
if ($var !== null) {
// make sure first level are arrays
array_walk($var, static function (&$value) {
$value = (array) $value;
});
// make sure all values are strings
array_walk_recursive($var, static function (&$value) {
$value = (string) $value;
});
$this->taxonomy = $var;
}
return $this->taxonomy;
}
/**
* Gets and sets the modular var that helps identify this page is a modular child
*
* @param bool|null $var true if modular_twig
* @return bool true if modular_twig
* @deprecated 1.7 Use ->isModule() or ->modularTwig() method instead.
*/
public function modular($var = null)
{
user_error(__METHOD__ . '() is deprecated since Grav 1.7, use ->isModule() or ->modularTwig() method instead', E_USER_DEPRECATED);
return $this->modularTwig($var);
}
/**
* Gets and sets the modular_twig var that helps identify this page as a modular child page that will need
* twig processing handled differently from a regular page.
*
* @param bool|null $var true if modular_twig
* @return bool true if modular_twig
*/
public function modularTwig($var = null)
{
if ($var !== null) {
$this->modular_twig = (bool)$var;
if ($var) {
$this->visible(false);
// some routable logic
if (empty($this->header->routable)) {
$this->routable = false;
}
}
}
return $this->modular_twig ?? false;
}
/**
* Gets the configured state of the processing method.
*
* @param string $process the process, eg "twig" or "markdown"
* @return bool whether or not the processing method is enabled for this Page
*/
public function shouldProcess($process)
{
return (bool)($this->process[$process] ?? false);
}
/**
* Gets and Sets the parent object for this page
*
* @param PageInterface|null $var the parent page object
* @return PageInterface|null the parent page object if it exists.
*/
public function parent(PageInterface $var = null)
{
if ($var) {
$this->parent = $var->path();
return $var;
}
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->get($this->parent);
}
/**
* Gets the top parent object for this page. Can return page itself.
*
* @return PageInterface The top parent page object.
*/
public function topParent()
{
$topParent = $this;
while (true) {
$theParent = $topParent->parent();
if ($theParent !== null && $theParent->parent() !== null) {
$topParent = $theParent;
} else {
break;
}
}
return $topParent;
}
/**
* Returns children of this page.
*
* @return PageCollectionInterface|Collection
*/
public function children()
{
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->children($this->path());
}
/**
* Check to see if this item is the first in an array of sub-pages.
*
* @return bool True if item is first.
*/
public function isFirst()
{
$parent = $this->parent();
$collection = $parent ? $parent->collection('content', false) : null;
if ($collection instanceof Collection) {
return $collection->isFirst($this->path());
}
return true;
}
/**
* Check to see if this item is the last in an array of sub-pages.
*
* @return bool True if item is last
*/
public function isLast()
{
$parent = $this->parent();
$collection = $parent ? $parent->collection('content', false) : null;
if ($collection instanceof Collection) {
return $collection->isLast($this->path());
}
return true;
}
/**
* Gets the previous sibling based on current position.
*
* @return PageInterface the previous Page item
*/
public function prevSibling()
{
return $this->adjacentSibling(-1);
}
/**
* Gets the next sibling based on current position.
*
* @return PageInterface the next Page item
*/
public function nextSibling()
{
return $this->adjacentSibling(1);
}
/**
* Returns the adjacent sibling based on a direction.
*
* @param int $direction either -1 or +1
* @return PageInterface|false the sibling page
*/
public function adjacentSibling($direction = 1)
{
$parent = $this->parent();
$collection = $parent ? $parent->collection('content', false) : null;
if ($collection instanceof Collection) {
return $collection->adjacentSibling($this->path(), $direction);
}
return false;
}
/**
* Returns the item in the current position.
*
* @return int|null The index of the current page.
*/
public function currentPosition()
{
$parent = $this->parent();
$collection = $parent ? $parent->collection('content', false) : null;
if ($collection instanceof Collection) {
return $collection->currentPosition($this->path());
}
return 1;
}
/**
* Returns whether or not this page is the currently active page requested via the URL.
*
* @return bool True if it is active
*/
public function active()
{
$uri_path = rtrim(urldecode(Grav::instance()['uri']->path()), '/') ?: '/';
$routes = Grav::instance()['pages']->routes();
return isset($routes[$uri_path]) && $routes[$uri_path] === $this->path();
}
/**
* Returns whether or not this URI's URL contains the URL of the active page.
* Or in other words, is this page's URL in the current URL
*
* @return bool True if active child exists
*/
public function activeChild()
{
$grav = Grav::instance();
/** @var Uri $uri */
$uri = $grav['uri'];
/** @var Pages $pages */
$pages = $grav['pages'];
$uri_path = rtrim(urldecode($uri->path()), '/');
$routes = $pages->routes();
if (isset($routes[$uri_path])) {
$page = $pages->find($uri->route());
/** @var PageInterface|null $child_page */
$child_page = $page ? $page->parent() : null;
while ($child_page && !$child_page->root()) {
if ($this->path() === $child_page->path()) {
return true;
}
$child_page = $child_page->parent();
}
}
return false;
}
/**
* Returns whether or not this page is the currently configured home page.
*
* @return bool True if it is the homepage
*/
public function home()
{
$home = Grav::instance()['config']->get('system.home.alias');
return $this->route() === $home || $this->rawRoute() === $home;
}
/**
* Returns whether or not this page is the root node of the pages tree.
*
* @return bool True if it is the root
*/
public function root()
{
return !$this->parent && !$this->name && !$this->visible;
}
/**
* Helper method to return an ancestor page.
*
* @param bool|null $lookup Name of the parent folder
* @return PageInterface page you were looking for if it exists
*/
public function ancestor($lookup = null)
{
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->ancestor($this->route, $lookup);
}
/**
* Helper method to return an ancestor page to inherit from. The current
* page object is returned.
*
* @param string $field Name of the parent folder
* @return PageInterface
*/
public function inherited($field)
{
[$inherited, $currentParams] = $this->getInheritedParams($field);
$this->modifyHeader($field, $currentParams);
return $inherited;
}
/**
* Helper method to return an ancestor field only to inherit from. The
* first occurrence of an ancestor field will be returned if at all.
*
* @param string $field Name of the parent folder
*
* @return array
*/
public function inheritedField($field)
{
[$inherited, $currentParams] = $this->getInheritedParams($field);
return $currentParams;
}
/**
* Method that contains shared logic for inherited() and inheritedField()
*
* @param string $field Name of the parent folder
* @return array
*/
protected function getInheritedParams($field)
{
$pages = Grav::instance()['pages'];
/** @var Pages $pages */
$inherited = $pages->inherited($this->route, $field);
$inheritedParams = $inherited ? (array)$inherited->value('header.' . $field) : [];
$currentParams = (array)$this->value('header.' . $field);
if ($inheritedParams && is_array($inheritedParams)) {
$currentParams = array_replace_recursive($inheritedParams, $currentParams);
}
return [$inherited, $currentParams];
}
/**
* Helper method to return a page.
*
* @param string $url the url of the page
* @param bool $all
*
* @return PageInterface page you were looking for if it exists
*/
public function find($url, $all = false)
{
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->find($url, $all);
}
/**
* Get a collection of pages in the current context.
*
* @param string|array $params
* @param bool $pagination
*
* @return PageCollectionInterface|Collection
* @throws InvalidArgumentException
*/
public function collection($params = 'content', $pagination = true)
{
if (is_string($params)) {
// Look into a page header field.
$params = (array)$this->value('header.' . $params);
} elseif (!is_array($params)) {
throw new InvalidArgumentException('Argument should be either header variable name or array of parameters');
}
$params['filter'] = ($params['filter'] ?? []) + ['translated' => true];
$context = [
'pagination' => $pagination,
'self' => $this
];
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->getCollection($params, $context);
}
/**
* @param string|array $value
* @param bool $only_published
* @return PageCollectionInterface|Collection
*/
public function evaluate($value, $only_published = true)
{
$params = [
'items' => $value,
'published' => $only_published
];
$context = [
'event' => false,
'pagination' => false,
'url_taxonomy_filters' => false,
'self' => $this
];
/** @var Pages $pages */
$pages = Grav::instance()['pages'];
return $pages->getCollection($params, $context);
}
/**
* Returns whether or not this Page object has a .md file associated with it or if its just a directory.
*
* @return bool True if its a page with a .md file associated
*/
public function isPage()
{
if ($this->name) {
return true;
}
return false;
}
/**
* Returns whether or not this Page object is a directory or a page.
*
* @return bool True if its a directory
*/
public function isDir()
{
return !$this->isPage();
}
/**
* @return bool
*/
public function isModule(): bool
{
return $this->modularTwig();
}
/**
* Returns whether the page exists in the filesystem.
*
* @return bool
*/
public function exists()
{
$file = $this->file();
return $file && $file->exists();
}
/**
* Returns whether or not the current folder exists
*
* @return bool
*/
public function folderExists()
{
return file_exists($this->path());
}
/**
* Cleans the path.
*
* @param string $path the path
* @return string the path
*/
protected function cleanPath($path)
{
$lastchunk = strrchr($path, DS);
if (strpos($lastchunk, ':') !== false) {
$path = str_replace($lastchunk, '', $path);
}
return $path;
}
/**
* Reorders all siblings according to a defined order
*
* @param array|null $new_order
*/
protected function doReorder($new_order)
{
if (!$this->_original) {
return;
}
$pages = Grav::instance()['pages'];
$pages->init();
$this->_original->path($this->path());
$parent = $this->parent();
$siblings = $parent ? $parent->children() : null;
if ($siblings) {
$siblings->order('slug', 'asc', $new_order);
$counter = 0;
// Reorder all moved pages.
foreach ($siblings as $slug => $page) {
$order = (int)trim($page->order(), '.');
$counter++;
if ($order) {
if ($page->path() === $this->path() && $this->folderExists()) {
// Handle current page; we do want to change ordering number, but nothing else.
$this->order($counter);
$this->save(false);
} else {
// Handle all the other pages.
$page = $pages->get($page->path());
if ($page && $page->folderExists() && !$page->_action) {
$page = $page->move($this->parent());
$page->order($counter);
$page->save(false);
}
}
}
}
}
}
/**
* Moves or copies the page in filesystem.
*
* @internal
* @return void
* @throws Exception
*/
protected function doRelocation()
{
if (!$this->_original) {
return;
}
if (is_dir($this->_original->path())) {
if ($this->_action === 'move') {
Folder::move($this->_original->path(), $this->path());
} elseif ($this->_action === 'copy') {
Folder::copy($this->_original->path(), $this->path());
}
}
if ($this->name() !== $this->_original->name()) {
$path = $this->path();
if (is_file($path . '/' . $this->_original->name())) {
rename($path . '/' . $this->_original->name(), $path . '/' . $this->name());
}
}
}
/**
* @return void
*/
protected function setPublishState()
{
// Handle publishing dates if no explicit published option set
if (Grav::instance()['config']->get('system.pages.publish_dates') && !isset($this->header->published)) {
// unpublish if required, if not clear cache right before page should be unpublished
if ($this->unpublishDate()) {
if ($this->unpublishDate() < time()) {
$this->published(false);
} else {
$this->published();
Grav::instance()['cache']->setLifeTime($this->unpublishDate());
}
}
// publish if required, if not clear cache right before page is published
if ($this->publishDate() && $this->publishDate() > time()) {
$this->published(false);
Grav::instance()['cache']->setLifeTime($this->publishDate());
}
}
}
/**
* @param string $route
* @return string
*/
protected function adjustRouteCase($route)
{
$case_insensitive = Grav::instance()['config']->get('system.force_lowercase_urls');
return $case_insensitive ? mb_strtolower($route) : $route;
}
/**
* Gets the Page Unmodified (original) version of the page.
*
* @return PageInterface The original version of the page.
*/
public function getOriginal()
{
return $this->_original;
}
/**
* Gets the action.
*
* @return string|null The Action string.
*/
public function getAction()
{
return $this->_action;
}
}