/**
* Pre-import settings
*
* Allows the selection of a particular gallery
*/
public static function preImport(Main $main)
{
if (isset($_REQUEST['flickr_photoset']) && !empty($_REQUEST['flickr_photoset'])) {
return;
}
// A photoset has been selected
$flickr = new FlickrApi($main);
$vars = array();
$tokens = false;
// Domain
$domain = '';
if (preg_match('#^http[s]?:\\/\\/.+?(?=\\/|$)#i', get_site_url(), $matches)) {
list($domain) = $matches;
}
// Callback URL
$importer = is_array($class = explode('\\', get_class())) ? $class[count($class) - 1] : 'Flickr';
$callback_url = $domain . add_query_arg(array('logout' => false, 'importer' => $importer, '_nonce' => wp_create_nonce('onImportMenu')));
// Logout URL
$vars['logout_url'] = add_query_arg(array('logout' => true), $callback_url);
// Perform logout, if requested
if (isset($_REQUEST['logout'])) {
$flickr->deleteAccessTokens();
}
// If we do not have valid access tokens, ask the user what to do.
if (!$flickr->hasValidAccessTokens()) {
if (!isset($_REQUEST['do_login'])) {
// We have not been authorized to access Flickr, except public side. Ask the user what to do.
$vars['ask_auth'] = true;
} else {
if ($do_login = $_REQUEST['do_login'] == 'yes') {
// User has decided to login to Flickr
$url = $flickr->getAuthorizeUrl($callback_url);
if ($url) {
$vars['auth_redir'] = $url;
} else {
// Something went wrong, repeat the process (asking what the user wants to do)
$vars['errors'] = __('Unable to obtain a Flickr authorization URL. Please try again later.', $main->getName());
$vars['ask_auth'] = true;
}
} else {
// User has decided to continue anonymously, clear any invalid tokens if present
$flickr->deleteAccessTokens();
}
}
} else {
// Valid access tokens, we grab the tokens, which contains a username
$tokens = $flickr->getAccessTokens();
if ($tokens) {
$vars['username'] = $tokens['username'];
}
}
// Set anonymous flag
$vars['anonymous'] = $tokens === false;
// Set a username from whom we obtain the photoset
$flickr_username = isset($_REQUEST['flickr_username']) ? $_REQUEST['flickr_username'] : '';
$vars['flickr_username'] = $flickr_username;
// If we have a username specified, or are using our authorized tokens...
if ($tokens || $flickr_username) {
$photoset_list = false;
if ($tokens && (empty($flickr_username) || strcasecmp($flickr_username, $tokens['username']) == 0)) {
// Obtain photoset list from authenticated user
$photoset_list = $flickr->call('photosets.getList');
} else {
// Obtain photoset list from another user
$flickr_id = false;
if (!strpos($flickr_username, '@')) {
// @ cannot be the first match, so safe to use a "!"
// Obtain NSID by Username
$flickr_id_result = $flickr->call('people.findByUsername', array('username' => $flickr_username));
if ($flickr->isValid($flickr_id_result) && isset($flickr_id_result['user']['nsid'])) {
$flickr_id = $flickr_id_result['user']['nsid'];
}
} else {
// Obtain NSID by ID
$flickr_id_result = $flickr->call('people.getInfo', array('user_id' => $flickr_username));
if ($flickr->isValid($flickr_id_result) && isset($flickr_id_result['person']['nsid'])) {
$flickr_id = $flickr_id_result['person']['nsid'];
}
// This is redundant, I know
}
if ($flickr_id) {
$photoset_list = $flickr->call('photosets.getList', array('user_id' => $flickr_id));
} else {
$vars['errors'] = sprintf(__('"%s" is not a valid Flickr user.', $main->getName()), $flickr_username);
}
}
if ($flickr->isValid($photoset_list) && isset($photoset_list['photosets'])) {
// Flickr reserves the option to return paginated results.
if (isset($photoset_list['photosets']['photoset']) && is_array($photoset_list['photosets']['photoset'])) {
foreach ($photoset_list['photosets']['photoset'] as $photoset) {
$vars['photosets'][$photoset['id']] = sprintf('%s (%d)', $photoset['title']['_content'], $photoset['photos']);
}
}
// Sort the array
if (isset($vars['photosets'])) {
asort($vars['photosets']);
}
}
}
return $main->template->render('importer_flickr.html.twig', $vars);
}
