public function execute()
{
$count = $this->getConfig()->getOption('photos_per_page');
$padding_count = 2;
$direction = waRequest::get('direction', 1, waRequest::TYPE_INT);
$album = waRequest::param('album');
$hash = waRequest::param('hash');
$url = waRequest::param('url');
$album = waRequest::param('album');
if (!$url) {
throw new waException(_w('Page not found', 404));
}
if ($album && $album['status'] <= 0) {
$album['full_url'] = photosCollection::frontendAlbumHashToUrl($hash);
}
$photo_model = new photosPhotoModel();
$photo = $photo_model->getByField('url', $url);
$real_count = $count;
if ($photo) {
$c = new photosCollection($hash);
$offset = $c->getPhotoOffset($photo);
if ($direction > 0) {
$offset += 1;
// next photos
} else {
$offset -= $real_count;
// prev photos
if ($offset < 0) {
$real_count += $offset;
$offset = 0;
}
}
$photo_stream = $c->getPhotos('*,thumb,thumb_crop,tags', $offset, $real_count);
$photo_stream = photosCollection::extendPhotos($photo_stream);
foreach ($photo_stream as &$item) {
$item['thumb_custom'] = array('url' => photosPhoto::getPhotoUrlTemplate($item));
$item['full_url'] = photosFrontendPhoto::getLink(array('url' => $item['url']), $album ? $album : $hash);
}
unset($item);
$real_count = count($photo_stream);
if ($real_count < $count) {
if ($direction > 0) {
$photo_stream = array_merge($photo_stream, array_pad(array(), $padding_count, null));
} else {
$photo_stream = array_merge(array_pad(array(), $padding_count, null), $photo_stream);
}
}
$renderer = new photosPhotoHtmlRenderer($this->getTheme());
echo $renderer->getPhotoStream($photo_stream, null);
}
exit;
}
protected function workupPhotos(&$photos)
{
$renderer = new photosPhotoHtmlRenderer($this->getTheme());
$photo_model = new photosPhotoModel();
// parent of current photo (that stacked, i.e. in stack)
$parent_id = null;
if ($this->photo_url) {
$stacked_photo = $photo_model->getByField('url', $this->photo_url);
if (!$stacked_photo) {
throw new waException(_w('Page not found', 404));
}
$parent_id = $photo_model->getStackParentId($stacked_photo);
}
// During going over all photos we also look if some photo is a parent of current stacked photo
foreach ($photos as &$photo) {
$photo['stack_nav'] = '';
$stack = (array) $photo_model->getStack($photo['id'], array('tags' => true));
if ($stack) {
foreach ($stack as &$item) {
$item['thumb_custom'] = array('url' => photosPhoto::getPhotoUrlTemplate($item));
$item['full_url'] = photosFrontendAlbum::getLink($this->album) . $item['url'] . '/';
}
unset($item);
// iterable photo is parent of current stacked photo - replace
if ($parent_id == $photo['id']) {
$photo = $stacked_photo;
$photo['full_url'] = photosFrontendAlbum::getLink($this->album) . $photo['url'] . '/';
$photo['stack_nav'] = $renderer->getStackNavigationPanel($stack, $photo);
} else {
$photo['stack_nav'] = $renderer->getStackNavigationPanel($stack, $photo);
}
}
$photo['frontend_link'] = photosFrontendPhoto::getLink($photo, array('full_url' => $this->album_url));
}
unset($photo);
}
private function _formPhotoStream($photo)
{
$middle_pos = round(wa()->getConfig()->getOption('photos_per_page') / 2);
$middle_pos = max(10, $middle_pos);
$padding_count = 2;
$collection = new photosCollection($this->hash);
$current_offset = $collection->getPhotoOffset($photo);
$total_count = $collection->count();
// offset-bounds of stream-frame
$left_bound = $current_offset - $middle_pos;
$right_bound = $current_offset + $middle_pos;
$head_padding_count = 0;
if ($left_bound < 0) {
$head_padding_count = $padding_count;
}
$tail_padding_count = 0;
if ($right_bound > $total_count - 1) {
$tail_padding_count = $padding_count;
}
if (!$head_padding_count) {
// recalc padding count for head if need
if ($left_bound < 0) {
$head_padding_count = $padding_count;
}
}
if (!$tail_padding_count) {
// recalc padding count for tail if need
if ($right_bound > $total_count - 1) {
$tail_padding_count = $padding_count;
}
}
$left_bound = max($left_bound, 0);
$right_bound = min($right_bound, $total_count - 1);
$count = $right_bound - $left_bound + 1;
$contain = false;
$photo_stream = $collection->getPhotos('*,thumb,thumb_crop,tags', $left_bound, $count);
foreach ($photo_stream as &$item) {
$item['thumb_custom'] = array('url' => photosPhoto::getPhotoUrlTemplate($item));
$item['full_url'] = photosFrontendPhoto::getLink(array('url' => $item['url']), $this->album ? $this->album : $this->hash);
if (!$contain && $item['id'] == $photo['id']) {
$next = current($photo_stream);
if ($next) {
$this->next_photo_url = photosFrontendPhoto::getLink($next, $this->album ? $this->album : $this->hash);
}
$contain = true;
}
}
unset($item);
if (!$contain) {
throw new waException(_w('Page not found', 404));
}
// padding with null head of list if need
if ($head_padding_count) {
$photo_stream = array_merge(array_pad(array(), $head_padding_count, null), $photo_stream);
}
// padding tail if need
if ($tail_padding_count) {
$photo_stream = array_merge($photo_stream, array_pad(array(), $tail_padding_count, null));
}
return $photo_stream;
}
