array(),
'By keyword' => array(
'q' => array(
'name' => 'Keyword',
'type' => 'text',
'required' => true,
'title' => 'Insert keyword',
'exampleValue' => 'bird'
),
'media' => array(
'name' => 'Media',
'type' => 'list',
'values' => array(
'All (Photos & videos)' => 'all',
'Photos' => 'photos',
'Videos' => 'videos',
),
'defaultValue' => 'all',
),
'sort' => array(
'name' => 'Sort By',
'type' => 'list',
'values' => array(
'Relevance' => 'relevance',
'Date uploaded' => 'date-posted-desc',
'Date taken' => 'date-taken-desc',
'Interesting' => 'interestingness-desc',
),
'defaultValue' => 'relevance',
)
),
'By username' => array(
'u' => array(
'name' => 'Username',
'type' => 'text',
'required' => true,
'title' => 'Insert username (as shown in the address bar)',
'exampleValue' => 'flickr'
),
'content' => array(
'name' => 'Content',
'type' => 'list',
'values' => array(
'Uploads' => 'uploads',
'Favorites' => 'faves',
),
'defaultValue' => 'uploads',
),
'media' => array(
'name' => 'Media',
'type' => 'list',
'values' => array(
'All (Photos & videos)' => 'all',
'Photos' => 'photos',
'Videos' => 'videos',
),
'defaultValue' => 'all',
),
'sort' => array(
'name' => 'Sort By',
'type' => 'list',
'values' => array(
'Relevance' => 'relevance',
'Date uploaded' => 'date-posted-desc',
'Date taken' => 'date-taken-desc',
'Interesting' => 'interestingness-desc',
),
'defaultValue' => 'date-posted-desc',
)
)
);
private $username = '';
public function collectData() {
switch($this->queriedContext) {
case 'Explore':
$filter = 'photo-lite-models';
$html = getSimpleHTMLDOM($this->getURI());
break;
case 'By keyword':
$filter = 'photo-lite-models';
$html = getSimpleHTMLDOM($this->getURI());
break;
case 'By username':
//$filter = 'photo-models';
$filter = 'photo-lite-models';
$html = getSimpleHTMLDOM($this->getURI());
$this->username = $this->getInput('u');
if ($html->find('span.search-pill-name', 0)) {
$this->username = $html->find('span.search-pill-name', 0)->plaintext;
}
break;
default:
returnClientError('Invalid context: ' . $this->queriedContext);
}
$model_json = $this->extractJsonModel($html);
$photo_models = $this->getPhotoModels($model_json, $filter);
foreach($photo_models as $model) {
$item = array();
/* Author name depends on scope. On a keyword search the
* author is part of the picture data. On a username search
* the author is part of the owner data.
*/
if(array_key_exists('username', $model)) {
$item['author'] = urldecode($model['username']);
} elseif (array_key_exists('owner', reset($model_json)[0])) {
$item['author'] = urldecode(reset($model_json)[0]['owner']['username']);
}
$item['title'] = urldecode((array_key_exists('title', $model) ? $model['title'] : 'Untitled'));
$item['uri'] = self::URI . 'photo.gne?id=' . $model['id'];
$description = (array_key_exists('description', $model) ? $model['description'] : '');
$item['content'] = '
' . urldecode($description) . '
'; $item['enclosures'] = $this->extractEnclosures($model); $this->items[] = $item; } } public function getURI() { switch($this->queriedContext) { case 'Explore': return self::URI . 'explore'; break; case 'By keyword': return self::URI . 'search/?q=' . urlencode($this->getInput('q')) . '&sort=' . $this->getInput('sort') . '&media=' . $this->getInput('media'); break; case 'By username': $uri = self::URI . 'search/?user_id=' . urlencode($this->getInput('u')) . '&sort=date-posted-desc&media=' . $this->getInput('media'); if ($this->getInput('content') === 'faves') { return $uri . '&faves=1'; } return $uri; break; default: return parent::getURI(); } } public function getName() { switch($this->queriedContext) { case 'Explore': return 'Explore - ' . self::NAME; break; case 'By keyword': return $this->getInput('q') . ' - keyword - ' . self::NAME; break; case 'By username': if ($this->getInput('content') === 'faves') { return $this->username . ' - favorites - ' . self::NAME; } return $this->username . ' - ' . self::NAME; break; default: return parent::getName(); } return parent::getName(); } private function extractJsonModel($html) { // Find SCRIPT containing JSON data $model = $html->find('.modelExport', 0); $model_text = $model->innertext; // Find start and end of JSON data $start = strpos($model_text, 'modelExport:') + strlen('modelExport:'); $end = strpos($model_text, 'auth:') - strlen('auth:'); // Extract JSON data, remove trailing comma $model_text = trim(substr($model_text, $start, $end - $start)); $model_text = substr($model_text, 0, strlen($model_text) - 1); return json_decode($model_text, true); } private function getPhotoModels($json, $filter) { // The JSON model contains a "legend" array, where each element contains // the path to an element in the "main" object $photo_models = array(); foreach($json['legend'] as $legend) { $photo_model = $json['main']; foreach($legend as $element) { // Traverse tree $photo_model = $photo_model[$element]; } // We are only interested in content if($photo_model['_flickrModelRegistry'] === $filter) { $photo_models[] = $photo_model; } } return $photo_models; } private function extractEnclosures($model) { $areas = array(); foreach($model['sizes'] as $size) { $areas[$size['width'] * $size['height']] = $size['url']; } return array($this->fixURL(max($areas))); } private function extractContentImage($model) { $areas = array(); $limit = 320 * 240; foreach($model['sizes'] as $size) { $image_area = $size['width'] * $size['height']; if($image_area >= $limit) { $areas[$image_area] = $size['url']; } } return $this->fixURL(min($areas)); } private function fixURL($url) { // For some reason the image URLs don't include the protocol (https) if(strpos($url, '//') === 0) { $url = 'https:' . $url; } return $url; } }