/**
* Handler for the `instagram` Shortcode.
*
* @return string|null
*/
public static function instagramShortcodeHandler($args, $content = null, $parser = null, $tag)
{
if (!array_key_exists('username', $args)) {
return null;
}
$instagramAccount = InstagramAccount::get()->filter('Title', $args['username'])->First();
// Make sure the InstagramAccount is valid and has been authorised.
if (!$instagramAccount || !$instagramAccount->getField('AccessToken')) {
return null;
}
$controller = Controller::curr();
$link = $controller->Link();
// Valid IDs only have digits and an underscore.
$maxID = preg_replace('/[^\\d_]/', '', $controller->getRequest()->getVar('start'));
$media = self::getMedia($instagramAccount, $maxID);
if (!$media) {
return null;
}
// If there are less items returned than the maximum allowed per page,
// we're on the last page, so don't include a 'next' button.
//
// TODO:
// Handle edge case where it's the last page and exactly "items_per_page" are returned.
$loadMoreLink = count($media) < Config::inst()->get('InstagramAccount', 'items_per_page') ? null : $link . '?start=' . array_pop(array_slice($media, -1))['id'];
// Make tags iterable in the template.
foreach ($media as &$item) {
$item['tags'] = ArrayList::create(array_map(function ($tag) {
return ArrayData::create(['name' => $tag]);
}, $item['tags']));
}
$data = ArrayData::create(['loadMoreLink' => $loadMoreLink, 'instagramLink' => "https://www.instagram.com/{$args['username']}"]);
$data->setField('media', ArrayList::create($media));
return $data->renderWith('InstagramPage');
}
/**
* OAuth callback handler.
*
* @param SS_HTTPRequest $request
*/
public function OAuth($request)
{
$code = $request->getVar('code');
$state = $request->getVar('state');
if (!$code || !$state) {
return Controller::curr()->redirect($this->Link());
}
$client = InstagramAccount::getNewInstagramClient();
$form = $this->getEditForm();
try {
$token = $client->getAccessToken($code);
$instagramAccountID = $this->getInstagramAccountIDFromSession($state);
// Find the matching InstagramAccount.
if (!$instagramAccountID || !($instagramAccount = InstagramAccount::get()->byId($instagramAccountID))) {
return $this->handleOAuthError($form);
}
try {
$instagramAccount->updateAccessToken(Convert::raw2json($token), $state);
$instagramAccount->write();
$form->sessionMessage(_t('Instagram.MessageOAuthSuccess', 'Successfully authorised your account.'), 'good');
return Controller::curr()->redirect($this->Link());
} catch (Exception $e) {
return $this->handleOAuthError($form, _t('Instagram.MessageOAuthErrorUserConflict', 'Unable to authorise account. Make sure you are logged out of Instagram and ' . 'your username is spelled correctly.'));
}
} catch (InstagramIdentityProviderException $e) {
return $this->handleOAuthError($form);
}
}
