array(),
'By keyword' => array(
'q' => array(
'name' => 'Keyword',
'type' => 'text',
'required' => true,
'title' => 'Insert keyword',
'exampleValue' => 'bird'
)
),
'By username' => array(
'u' => array(
'name' => 'Username',
'type' => 'text',
'required' => true,
'title' => 'Insert username (as shown in the address bar)',
'exampleValue' => 'flickr'
)
),
);
public function collectData(){
switch($this->queriedContext) {
case 'Explore':
$key = 'photos';
$html = getSimpleHTMLDOM(self::URI . 'explore')
or returnServerError('Could not request Flickr.');
break;
case 'By keyword':
$key = 'photos';
$html = getSimpleHTMLDOM(self::URI . 'search/?q=' . urlencode($this->getInput('q')) . '&s=rec')
or returnServerError('No results for this query.');
break;
case 'By username':
$key = 'photoPageList';
$html = getSimpleHTMLDOM(self::URI . 'photos/' . urlencode($this->getInput('u')))
or returnServerError('Requested username can\'t be found.');
break;
default:
returnClientError('Invalid context: ' . $this->queriedContext);
}
// 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:');
// Dissect JSON data and remove trailing comma
$model_text = trim(substr($model_text, $start, $end - $start));
$model_text = substr($model_text, 0, strlen($model_text) - 1);
$model_json = json_decode($model_text, true);
foreach($html->find('.photo-list-photo-view') as $element) {
// Get the styles
$style = explode(';', $element->style);
// Get the background-image style
$backgroundImage = explode(':', end($style));
// URI type : url(//cX.staticflickr.com/X/XXXXX/XXXXXXXXX.jpg)
$imageURI = trim(str_replace(['url(', ')'], '', end($backgroundImage)));
// Get the image ID
$imageURIs = explode('_', basename($imageURI));
$imageID = reset($imageURIs);
// Use JSON data to build items
foreach(reset($model_json)[0][$key]['_data'] as $element) {
if($element['id'] === $imageID) {
$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', $element)) {
$item['author'] = $element['username'];
} elseif (array_key_exists('owner', reset($model_json)[0])) {
$item['author'] = reset($model_json)[0]['owner']['username'];
}
$item['title'] = (array_key_exists('title', $element) ? $element['title'] : 'Untitled');
$item['uri'] = self::URI . 'photo.gne?id=' . $imageID;
$description = (array_key_exists('description', $element) ? $element['description'] : '');
$item['content'] = '
'
. $description
. '
';
$this->items[] = $item;
break;
}
}
}
}
}