/**
* Get the children of this gallery.
*
* @param integer $perm The permissions to limit to.
* @param integer $from The child to start at.
* @param integer $to The child to end with.
* @param boolean $noauto Whether or not to automatically drill down to the
* first grouping with more then one group.
*
* @return array A mixed array of Ansel_Gallery_Decorator_Date and
* Ansel_Image objects.
*/
public function getGalleryChildren($perm = Horde_Perms::SHOW, $from = 0, $to = 0, $noauto = false)
{
// Cache the results
static $children = array();
$fullkey = md5($noauto . $perm . $this->_gallery->id . serialize($this->_date) . 0 . 0);
$cache_key = md5($noauto . $perm . $this->_gallery->id . serialize($this->_date) . $from . $to);
if (!empty($children[$cache_key])) {
return $children[$cache_key];
} elseif (!empty($children[$fullkey])) {
return $this->_getArraySlice($children[$fullkey], $from, $to, true);
}
$ansel_storage = $GLOBALS['injector']->getInstance('Ansel_Storage');
// Get a list of all the subgalleries
$this->_loadSubGalleries();
$params = array('fields' => array('image_id', 'image_original_date'));
if (count($this->_subGalleries)) {
$params['gallery_id'] = array_merge($this->_subGalleries, array($this->_gallery->id));
} else {
$params['gallery_id'] = $this->_gallery->id;
}
$sorted_dates = array();
// See how specific the date is
if (!count($this->_date) || empty($this->_date['year'])) {
// All available images - grouped by year
$images = $ansel_storage->listImages($params);
$dates = array();
foreach ($images as $key => $image) {
$dates[date('Y', $image['image_original_date'])][] = $key;
}
$keys = array_keys($dates);
// Drill down further if we only have a single group
if (!$noauto && count($keys) == 1) {
$this->_date['year'] = array_pop($keys);
return $this->getGalleryChildren($perm, $from, $to, $noauto);
}
sort($keys, SORT_NUMERIC);
foreach ($keys as $key) {
$sorted_dates[$key] = $dates[$key];
}
$display_unit = 'year';
} elseif (empty($this->_date['month'])) {
// Specific year - grouped by month
$start = new Horde_Date(array('year' => $this->_date['year'], 'month' => 1, 'day' => 1));
// Last second of the year
$end = new Horde_Date($start);
$end->mday = 31;
$end->month = 12;
$end->hour = 23;
$end->min = 59;
$end->sec = 59;
// Get the image ids and dates
$params['filter'] = array(array('property' => 'originalDate', 'op' => '<=', 'value' => (int) $end->timestamp()), array('property' => 'originalDate', 'op' => '>=', 'value' => (int) $start->timestamp()));
$images = $ansel_storage->listImages($params);
$dates = array();
foreach ($images as $key => $image) {
$dates[date('n', $image['image_original_date'])][] = $key;
}
$keys = array_keys($dates);
// Only 1 date grouping here, automatically drill down
if (!$noauto && count($keys) == 1) {
$this->_date['month'] = array_pop($keys);
return $this->getGalleryChildren($perm, $from, $to, $noauto);
}
sort($keys, SORT_NUMERIC);
foreach ($keys as $key) {
$sorted_dates[$key] = $dates[$key];
}
$display_unit = 'month';
} elseif (empty($this->_date['day'])) {
// A single month - group by day
$start = new Horde_Date(array('year' => $this->_date['year'], 'month' => $this->_date['month'], 'day' => 1));
// Last second of the month
$end = new Horde_Date($start);
$end->mday = Horde_Date_Utils::daysInMonth($end->month, $end->year);
$end->hour = 23;
$end->min = 59;
$end->sec = 59;
$params['filter'] = array(array('property' => 'originalDate', 'op' => '<=', 'value' => (int) $end->timestamp()), array('property' => 'originalDate', 'op' => '>=', 'value' => (int) $start->timestamp()));
$images = $ansel_storage->listImages($params);
$dates = array();
foreach ($images as $key => $image) {
$dates[date('d', $image['image_original_date'])][] = $key;
}
$keys = array_keys($dates);
// Only a single grouping, go deeper
if (!$noauto && count($keys) == 1) {
$this->_date['day'] = array_pop($keys);
return $this->getGalleryChildren($perm, $from, $to, $noauto);
}
sort($keys, SORT_NUMERIC);
foreach ($keys as $key) {
$sorted_dates[$key] = $dates[$key];
}
$dates = $sorted_dates;
$display_unit = 'day';
} else {
// We are down to a specific day
$start = new Horde_Date($this->_date);
// Last second of this day
$end = new Horde_Date($start->timestamp());
$end->hour = 23;
$end->min = 59;
$end->sec = 59;
// Filter for this day
$params['filter'] = array(array('property' => 'originalDate', 'op' => '<=', 'value' => (int) $end->timestamp()), array('property' => 'originalDate', 'op' => '>=', 'value' => (int) $start->timestamp()));
// Only get what we need
$params['offset'] = $from;
$params['limit'] = $to;
// Default to asking for just image_ids
unset($params['fields']);
// Get the image list
$images = $ansel_storage->listImages($params);
if ($images) {
$results = $ansel_storage->getImages(array('ids' => $images, 'preserve' => true));
} else {
$results = array();
}
if ($this->_gallery->get('has_subgalleries')) {
$images = array();
foreach ($results as $id => $image) {
$image->gallery = $this->_gallery->id;
$images[$id] = $image;
}
$children[$cache_key] = $images;
} else {
$children[$cache_key] = $results;
}
return $children[$cache_key];
}
$results = array();
foreach ($sorted_dates as $key => $images) {
/* Get the new date parameter */
switch ($display_unit) {
case 'year':
$date = array('year' => $key);
break;
case 'month':
$date = array('year' => $this->_date['year'], 'month' => (int) $key);
break;
case 'day':
$date = array('year' => (int) $this->_date['year'], 'month' => (int) $this->_date['month'], 'day' => (int) $key);
}
$obj = new Ansel_Gallery_Decorator_Date($this->_gallery, $images);
$obj->setDate($date);
$results[$key] = $obj;
}
$children[$cache_key] = $results;
if ($from > 0 || $to > 0) {
return $this->_getArraySlice($results, $from, $to, true);
}
return $results;
}
