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<?php namespace flow\social;

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if ( ! defined( 'WPINC' ) ) die;

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/**

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* Flow-Flow.

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* @package FlowFlow

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* @author Looks Awesome <email@looks-awesome.com>

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* @link http://looks-awesome.com

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class FFFlickr extends FFRss {

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private static $authors = array();

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private $user_id;

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public function __construct() {

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parent::__construct( 'flickr' );

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}

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public function deferredInit( $feed ) {

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parent::deferredInit( $feed );

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$content = $feed->content;

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switch ($feed->{'timeline-type'}) {

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case 'user_timeline':

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$this->user_id = $content;

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$this->prepareAuthorData($content);

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break;

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case 'tag':

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$this->url = "https://api.flickr.com/services/feeds/photos_public.gne?tags={$content}&format=rss_200";

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// $num = $this->getCount();

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// $tags = str_replace(',', '+', $content);

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// $this->url = "http://www.degraeve.com/flickr-rss/rss.php?tags={$tags}brasilia+architecture&tagmode=all&sort=relevance&num={$num}";

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break;

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}

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}

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protected function prepare($item) {

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$tm = parent::prepare($item);

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$this->prepareAuthorData($this->getNickname($item));

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$this->prepareMediaData($item);

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return $tm;

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}

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protected function getHeader( $item ) {

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return '';

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}

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protected function getUserlink( $item ) {

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$id = $this->getNickname($item);

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return "https://www.flickr.com/photos/{$id}/";

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}

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protected function getContent( $item ) {

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$text = FFFeedUtils::wrapLinks(strip_tags($item->title));

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if ($text == 'Untitled') return '';

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return $text;

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}

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protected function showImage( $item ) {

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return true;

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}

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protected function isSuitablePost($post){

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if (true === parent::isSuitablePost($post)){

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if (strpos($post->img['url'], '.swf') > 0){

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return false;

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}

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return true;

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}

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return false;

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}

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private function prepareAuthorData($user_name){

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if (array_key_exists($user_name, self::$authors)){

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$this->profileImage = self::$authors[$user_name][0];

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$this->screenName = self::$authors[$user_name][1];

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$this->url = self::$authors[$user_name][2];

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}

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else {

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$content = $this->getFeedData("https://www.flickr.com/photos/{$user_name}/");

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libxml_use_internal_errors(true);

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$doc = new \DOMDocument();

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@$doc->loadHTML($content['response']);

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$finder = new \DOMXPath($doc);

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$result = $finder->query('//div[contains(@class, "avatar")]/@style');

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preg_match_all('/background(-image)??\s*?:.*?url$["|\']??(.+)["|\']??$/', $result->item( 0 )->textContent, $matches, PREG_SET_ORDER);

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$avatar_url = 'http:' . $matches[0][2];

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$this->profileImage = ($result->length > 0) ? $avatar_url : $this->context['plugin_url'] . '/' . $this->context['slug'] . '/assets/avatar_default.png';

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$result = $finder->query("//meta[@name = 'title']/@content");

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$this->screenName = ($result->length > 0) ? trim(strip_tags($result->item( 0 )->textContent)) : $user_name;

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$id = substr($avatar_url, strpos($avatar_url, '#') + 1);

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$this->url = "https://api.flickr.com/services/feeds/photos_public.gne?id={$id}&format=rss_200";

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self::$authors[$user_name] = array($this->profileImage, $this->screenName, $this->url);

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}

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}

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/**

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* @param SimpleXMLElement $item

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* @return void

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private function prepareMediaData( $item ) {

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$media = $item->children('media', true);

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foreach($media->content as $thumbnail) {

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$attributes = $thumbnail[0]->attributes();

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$url = (string)$attributes->url;

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$height = (string)$attributes->height;

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$width = (string)$attributes->width;

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}

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$this->image = $this->createImage($url, $width, $height);

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$this->media = $this->createMedia($url, $width, $height);

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}

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/**

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* @param SimpleXMLElement $item

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* @return string

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private function getNickname($item){

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if (isset($this->user_id))

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return $this->user_id;

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$result = explode('/', $item->author->attributes('flickr', true)->profile);

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return $result[4];

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}

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}

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