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