linkDB = $linkDB; $this->feedType = $feedType; $this->serverInfo = $serverInfo; $this->userInput = $userInput; $this->isLoggedIn = $isLoggedIn; } /** * Build data for feed templates. * * @return array Formatted data for feeds templates. */ public function buildData() { // Search for untagged links if (isset($this->userInput['searchtags']) && empty($this->userInput['searchtags'])) { $this->userInput['searchtags'] = false; } // Optionally filter the results: $linksToDisplay = $this->linkDB->filterSearch($this->userInput); $nblinksToDisplay = $this->getNbLinks(count($linksToDisplay)); // Can't use array_keys() because $link is a LinkDB instance and not a real array. $keys = array(); foreach ($linksToDisplay as $key => $value) { $keys[] = $key; } $pageaddr = escape(index_url($this->serverInfo)); $linkDisplayed = array(); for ($i = 0; $i < $nblinksToDisplay && $i < count($keys); $i++) { $linkDisplayed[$keys[$i]] = $this->buildItem($linksToDisplay[$keys[$i]], $pageaddr); } $data['language'] = $this->getTypeLanguage(); $data['last_update'] = $this->getLatestDateFormatted(); $data['show_dates'] = !$this->hideDates || $this->isLoggedIn; // Remove leading slash from REQUEST_URI. $data['self_link'] = escape(server_url($this->serverInfo)) . escape($this->serverInfo['REQUEST_URI']); $data['index_url'] = $pageaddr; $data['usepermalinks'] = $this->usePermalinks === true; $data['links'] = $linkDisplayed; return $data; } /** * Build a feed item (one per shaare). * * @param array $link Single link array extracted from LinkDB. * @param string $pageaddr Index URL. * * @return array Link array with feed attributes. */ protected function buildItem($link, $pageaddr) { $link['guid'] = $pageaddr .'?'. $link['shorturl']; // Check for both signs of a note: starting with ? and 7 chars long. if ($link['url'][0] === '?' && strlen($link['url']) === 7) { $link['url'] = $pageaddr . $link['url']; } if ($this->usePermalinks === true) { $permalink = ''. t('Direct link') .''; } else { $permalink = ''. t('Permalink') .''; } $link['description'] = format_description($link['description'], '', false, $pageaddr); $link['permalink'] = PHP_EOL .'
— '. $permalink; $pubDate = $link['created']; $link['pub_iso_date'] = $this->getIsoDate($pubDate); // atom:entry elements MUST contain exactly one atom:updated element. if (!empty($link['updated'])) { $upDate = $link['updated']; $link['up_iso_date'] = $this->getIsoDate($upDate, DateTime::ATOM); } else { $link['up_iso_date'] = $this->getIsoDate($pubDate, DateTime::ATOM); ; } // Save the more recent item. if (empty($this->latestDate) || $this->latestDate < $pubDate) { $this->latestDate = $pubDate; } if (!empty($upDate) && $this->latestDate < $upDate) { $this->latestDate = $upDate; } $taglist = array_filter(explode(' ', $link['tags']), 'strlen'); uasort($taglist, 'strcasecmp'); $link['taglist'] = $taglist; return $link; } /** * Set this to true to use permalinks instead of direct links. * * @param boolean $usePermalinks true to force permalinks. */ public function setUsePermalinks($usePermalinks) { $this->usePermalinks = $usePermalinks; } /** * Set this to true to hide timestamps in feeds. * * @param boolean $hideDates true to enable. */ public function setHideDates($hideDates) { $this->hideDates = $hideDates; } /** * Set the locale. Used to show feed language. * * @param string $locale The locale (eg. 'fr_FR.UTF8'). */ public function setLocale($locale) { $this->locale = strtolower($locale); } /** * Get the language according to the feed type, based on the locale: * * - RSS format: en-us (default: 'en-en'). * - ATOM format: fr (default: 'en'). * * @return string The language. */ public function getTypeLanguage() { // Use the locale do define the language, if available. if (! empty($this->locale) && preg_match('/^\w{2}[_\-]\w{2}/', $this->locale)) { $length = ($this->feedType == self::$FEED_RSS) ? 5 : 2; return str_replace('_', '-', substr($this->locale, 0, $length)); } return ($this->feedType == self::$FEED_RSS) ? 'en-en' : 'en'; } /** * Format the latest item date found according to the feed type. * * Return an empty string if invalid DateTime is passed. * * @return string Formatted date. */ protected function getLatestDateFormatted() { if (empty($this->latestDate) || !$this->latestDate instanceof DateTime) { return ''; } $type = ($this->feedType == self::$FEED_RSS) ? DateTime::RSS : DateTime::ATOM; return $this->latestDate->format($type); } /** * Get ISO date from DateTime according to feed type. * * @param DateTime $date Date to format. * @param string|bool $format Force format. * * @return string Formatted date. */ protected function getIsoDate(DateTime $date, $format = false) { if ($format !== false) { return $date->format($format); } if ($this->feedType == self::$FEED_RSS) { return $date->format(DateTime::RSS); } return $date->format(DateTime::ATOM); } /** * Returns the number of link to display according to 'nb' user input parameter. * * If 'nb' not set or invalid, default value: $DEFAULT_NB_LINKS. * If 'nb' is set to 'all', display all filtered links (max parameter). * * @param int $max maximum number of links to display. * * @return int number of links to display. */ public function getNbLinks($max) { if (empty($this->userInput['nb'])) { return self::$DEFAULT_NB_LINKS; } if ($this->userInput['nb'] == 'all') { return $max; } $intNb = intval($this->userInput['nb']); if (! is_int($intNb) || $intNb == 0) { return self::$DEFAULT_NB_LINKS; } return $intNb; } }