MyShaarli/application/formatter/BookmarkFormatter.php

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2023-05-24 11:35:15 +02:00
<?php
namespace Shaarli\Formatter;
use DateTimeInterface;
use Shaarli\Bookmark\Bookmark;
use Shaarli\Config\ConfigManager;
/**
* Class BookmarkFormatter
*
* Abstract class processing all bookmark attributes through methods designed to be overridden.
*
* List of available formatted fields:
* - id ID
* - shorturl Unique identifier, used in permalinks
* - url URL, can be altered in some way, e.g. passing through an HTTP reverse proxy
* - real_url (legacy) same as `url`
* - url_html URL to be displayed in HTML content (it can contain HTML tags)
* - title Title
* - title_html Title to be displayed in HTML content (it can contain HTML tags)
* - description Description content. It most likely contains HTML tags
* - thumbnail Thumbnail: path to local cache file, false if there is none, null if hasn't been retrieved
* - taglist List of tags (array)
* - taglist_urlencoded List of tags (array) URL encoded: it must be used to create a link to a URL containing a tag
* - taglist_html List of tags (array) to be displayed in HTML content (it can contain HTML tags)
* - tags Tags separated by a single whitespace
* - tags_urlencoded Tags separated by a single whitespace, URL encoded: must be used to create a link
* - sticky Is sticky (bool)
* - private Is private (bool)
* - class Additional CSS class
* - created Creation DateTime
* - updated Last edit DateTime
* - timestamp Creation timestamp
* - updated_timestamp Last edit timestamp
*
* @package Shaarli\Formatter
*/
abstract class BookmarkFormatter
{
/**
* @var ConfigManager
*/
protected $conf;
/** @var bool */
protected $isLoggedIn;
/**
* @var array Additional parameters than can be used for specific formatting
* e.g. index_url for Feed formatting
*/
protected $contextData = [];
/**
* LinkDefaultFormatter constructor.
* @param ConfigManager $conf
*/
public function __construct(ConfigManager $conf, bool $isLoggedIn)
{
$this->conf = $conf;
$this->isLoggedIn = $isLoggedIn;
}
/**
* Convert a Bookmark into an array usable by templates and plugins.
*
* All Bookmark attributes are formatted through a format method
* that can be overridden in a formatter extending this class.
*
* @param Bookmark $bookmark instance
*
* @return array formatted representation of a Bookmark
*/
public function format($bookmark)
{
$out['id'] = $this->formatId($bookmark);
$out['shorturl'] = $this->formatShortUrl($bookmark);
$out['url'] = $this->formatUrl($bookmark);
$out['real_url'] = $this->formatRealUrl($bookmark);
$out['url_html'] = $this->formatUrlHtml($bookmark);
$out['title'] = $this->formatTitle($bookmark);
$out['title_html'] = $this->formatTitleHtml($bookmark);
$out['description'] = $this->formatDescription($bookmark);
$out['thumbnail'] = $this->formatThumbnail($bookmark);
$out['taglist'] = $this->formatTagList($bookmark);
$out['taglist_urlencoded'] = $this->formatTagListUrlEncoded($bookmark);
$out['taglist_html'] = $this->formatTagListHtml($bookmark);
$out['tags'] = $this->formatTagString($bookmark);
$out['tags_urlencoded'] = $this->formatTagStringUrlEncoded($bookmark);
$out['sticky'] = $bookmark->isSticky();
$out['private'] = $bookmark->isPrivate();
$out['class'] = $this->formatClass($bookmark);
$out['created'] = $this->formatCreated($bookmark);
$out['updated'] = $this->formatUpdated($bookmark);
$out['timestamp'] = $this->formatCreatedTimestamp($bookmark);
$out['updated_timestamp'] = $this->formatUpdatedTimestamp($bookmark);
$out['additional_content'] = $this->formatAdditionalContent($bookmark);
return $out;
}
/**
* Add additional data available to formatters.
* This is used for example to add `index_url` in description's links.
*
* @param string $key Context data key
* @param string $value Context data value
*/
public function addContextData($key, $value)
{
$this->contextData[$key] = $value;
return $this;
}
/**
* Format ID
*
* @param Bookmark $bookmark instance
*
* @return int formatted ID
*/
protected function formatId($bookmark)
{
return $bookmark->getId();
}
/**
* Format ShortUrl
*
* @param Bookmark $bookmark instance
*
* @return string formatted ShortUrl
*/
protected function formatShortUrl($bookmark)
{
return $bookmark->getShortUrl();
}
/**
* Format Url
*
* @param Bookmark $bookmark instance
*
* @return string formatted Url
*/
protected function formatUrl($bookmark)
{
return $bookmark->getUrl();
}
/**
* Format RealUrl
* Legacy: identical to Url
*
* @param Bookmark $bookmark instance
*
* @return string formatted RealUrl
*/
protected function formatRealUrl($bookmark)
{
return $this->formatUrl($bookmark);
}
/**
* Format Url Html: to be displayed in HTML content, it can contains HTML tags.
*
* @param Bookmark $bookmark instance
*
* @return string formatted Url HTML
*/
protected function formatUrlHtml($bookmark)
{
return $this->formatUrl($bookmark);
}
/**
* Format Title
*
* @param Bookmark $bookmark instance
*
* @return string formatted Title
*/
protected function formatTitle($bookmark)
{
return $bookmark->getTitle();
}
/**
* Format Title HTML: to be displayed in HTML content, it can contains HTML tags.
*
* @param Bookmark $bookmark instance
*
* @return string formatted Title
*/
protected function formatTitleHtml($bookmark)
{
return $bookmark->getTitle();
}
/**
* Format Description
*
* @param Bookmark $bookmark instance
*
* @return string formatted Description
*/
protected function formatDescription($bookmark)
{
return $bookmark->getDescription();
}
/**
* Format Thumbnail
*
* @param Bookmark $bookmark instance
*
* @return string formatted Thumbnail
*/
protected function formatThumbnail($bookmark)
{
return $bookmark->getThumbnail();
}
/**
* Format Tags
*
* @param Bookmark $bookmark instance
*
* @return array formatted Tags
*/
protected function formatTagList($bookmark)
{
return $this->filterTagList($bookmark->getTags());
}
/**
* Format Url Encoded Tags
*
* @param Bookmark $bookmark instance
*
* @return array formatted Tags
*/
protected function formatTagListUrlEncoded($bookmark)
{
return array_map('urlencode', $this->filterTagList($bookmark->getTags()));
}
/**
* Format Tags HTML: to be displayed in HTML content, it can contains HTML tags.
*
* @param Bookmark $bookmark instance
*
* @return array formatted Tags
*/
protected function formatTagListHtml($bookmark)
{
return $this->formatTagList($bookmark);
}
/**
* Format TagString
*
* @param Bookmark $bookmark instance
*
* @return string formatted TagString
*/
protected function formatTagString($bookmark)
{
return implode($this->conf->get('general.tags_separator', ' '), $this->formatTagList($bookmark));
}
/**
* Format TagString
*
* @param Bookmark $bookmark instance
*
* @return string formatted TagString
*/
protected function formatTagStringUrlEncoded($bookmark)
{
return implode(' ', $this->formatTagListUrlEncoded($bookmark));
}
/**
* Format Class
* Used to add specific CSS class for a link
*
* @param Bookmark $bookmark instance
*
* @return string formatted Class
*/
protected function formatClass($bookmark)
{
return $bookmark->isPrivate() ? 'private' : '';
}
/**
* Format Created
*
* @param Bookmark $bookmark instance
*
* @return DateTimeInterface instance
*/
protected function formatCreated(Bookmark $bookmark)
{
return $bookmark->getCreated();
}
/**
* Format Updated
*
* @param Bookmark $bookmark instance
*
* @return DateTimeInterface instance
*/
protected function formatUpdated(Bookmark $bookmark)
{
return $bookmark->getUpdated();
}
/**
* Format CreatedTimestamp
*
* @param Bookmark $bookmark instance
*
* @return int formatted CreatedTimestamp
*/
protected function formatCreatedTimestamp(Bookmark $bookmark)
{
if (! empty($bookmark->getCreated())) {
return $bookmark->getCreated()->getTimestamp();
}
return 0;
}
/**
* Format UpdatedTimestamp
*
* @param Bookmark $bookmark instance
*
* @return int formatted UpdatedTimestamp
*/
protected function formatUpdatedTimestamp(Bookmark $bookmark)
{
if (! empty($bookmark->getUpdated())) {
return $bookmark->getUpdated()->getTimestamp();
}
return 0;
}
/**
* Format bookmark's additional content
*
* @param Bookmark $bookmark instance
*
* @return mixed[]
*/
protected function formatAdditionalContent(Bookmark $bookmark): array
{
return $bookmark->getAdditionalContent();
}
/**
* Format tag list, e.g. remove private tags if the user is not logged in.
* TODO: this method is called multiple time to format tags, the result should be cached.
*
* @param array $tags
*
* @return array
*/
protected function filterTagList(array $tags): array
{
if ($this->isLoggedIn === true) {
return $tags;
}
$out = [];
foreach ($tags as $tag) {
if (strpos($tag, '.') === 0) {
continue;
}
$out[] = $tag;
}
return $out;
}
}