{

public $url = '';

function getItem()

{

$item = new Dase_DBO_Item($this->db);

$item->load($this->item_id);

return $item;

}

function getCollection()

{

$coll = new Dase_DBO_Collection($this->db);

$coll->load($this->getItem()->collection_id);

return $coll;

}

public function moveFileToDeleted($path_to_media) {

$c = $this->getCollection();

$dest = $path_to_media.'/'.$c->ascii_id.'/deleted/'.$this->filename;

$src = $this->getLocalPath($path_to_media);

//don't delete if it is a media icon

$icon_path = BASE_PATH.'/www/images/thumb_icons/'.$this->filename;

if (file_exists($icon_path)) { return; }

if (file_exists($src) && copy($src,$dest)) {

@unlink($src);

}

}

public function getLocalPath($path_to_media)

{

$c = $this->getCollection();

$subdir = Dase_Util::getSubdir($this->p_serial_number);

$path = $path_to_media.'/'.

$c->ascii_id.'/'.

$this->size.'/'.

$subdir.'/'.

$this->filename;

if (file_exists($path)) {

return $path;

} else {

$path = $path_to_media.'/'.

$c->ascii_id.'/'.

$this->size.'/'.

$this->filename;

return $path;

}

}

function getLink($app_root) {

return "$app_root/media/{$this->p_collection_ascii_id}/$this->size/$this->filename";

}

function getRelativeLink() {

return "media/{$this->p_collection_ascii_id}/$this->size/$this->filename";

}

public static function getUniqueBaseIdent($db,$title,$collection_ascii_id)

{

$check_ident = Dase_Util::dirify($title);

$mf = new Dase_DBO_MediaFile($db);

$mf->p_serial_number = $check_ident;

$mf->p_collection_ascii_id = $collection_ascii_id;

if (!$mf->findOne()) {

return $check_ident;

} else {

$check_ident = $check_ident.time();

return Dase_DBO_MediaFile::getUniqueBaseIdent($db,$check_ident,$collection_ascii_id);

}

}

function asAtom($app_root)

{

$entry = new Dase_Atom_Entry;

//may need to add edit links here

return $this->injectAtomEntryData($entry,$app_root);

}

function getDerivatives()

{

$m = new Dase_DBO_MediaFile($this->db);

$m->p_collection_ascii_id = $this->p_collection_ascii_id;

$m->p_serial_number = $this->p_serial_number;

$m->orderBy('width');

$m->addWhere('size',$this->size,'!=');

return $m->find();

}

function injectAtomEntryData(Dase_Atom_Entry $entry,$app_root)

{

$d = "http://daseproject.org/ns/1.0";

//this function assumes p_collection_ascii_id & p_serial_number are set

$entry->setId($this->getLink($app_root));

$entry->setTitle($this->filename);

$entry->addAuthor();

$entry->setUpdated($this->updated);

$entry->setSummary('');

//for AtomPub

$entry->setEdited($this->updated);

$edit_url = $app_root.'/media/'.$this->p_collection_ascii_id.'/'.$this->p_serial_number;

$entry->addLink($edit_url,'edit');

$ext = Dase_File::$types_map[$this->mime_type]['ext'];

$edit_media_url = $app_root.'/media/'.$this->p_collection_ascii_id.'/'.$this->p_serial_number;

$entry->addLink($edit_media_url,'edit-media');

//to which we can post form-encoded or json metadata pairs:

$entry->addLink(

$app_root.'/item/'.$this->p_collection_ascii_id.'/'.$this->p_serial_number.'/metadata',

'http://daseproject.org/relation/edit-metadata');

//link to the owning dase item using iana registered 'up' rel value

$entry->addLink(

$app_root.'/item/'.$this->p_collection_ascii_id.'/'.$this->p_serial_number.'.atom',

'up');

$entry->setMediaContent($this->getLink($app_root),$this->mime_type);

$media_group = $entry->addElement('media:group',null,Dase_Atom::$ns['media']);

//todo: beef up w/ bitrate, samplingrate, etc.

foreach ($this->getDerivatives() as $med) {

if ($med->size == 'thumbnail') {

//$media_thumbnail = $entry->addElement('media:thumbnail',null,Dase_Atom::$ns['media']);

$media_thumbnail = $media_group->appendChild($entry->dom->createElementNS(Dase_Atom::$ns['media'],'thumbnail'));

$media_thumbnail->setAttribute('url',$med->getLink($app_root));

$media_thumbnail->setAttribute('width',$med->width);

$media_thumbnail->setAttribute('height',$med->height);

}

if ($med->size == 'viewitem') {

//$media_viewitem = $entry->addElement('media:content',null,Dase_Atom::$ns['media']);

$media_viewitem = $media_group->appendChild($entry->dom->createElementNS(Dase_Atom::$ns['media'],'content'));

$media_viewitem->setAttribute('url',$med->getLink($app_root));

$media_viewitem->setAttribute('width',$med->width);

$media_viewitem->setAttribute('height',$med->height);

$media_viewitem->setAttribute('fileSize',$med->file_size);

$media_viewitem->setAttribute('type',$med->mime_type);

$media_category = $media_viewitem->appendChild($entry->dom->createElement('media:category'));

$media_category->appendChild($entry->dom->createTextNode($med->size));

}

if ($med->size != 'thumbnail' && $med->size != 'viewitem') {

$media_content = $media_group->appendChild($entry->dom->createElementNS(Dase_Atom::$ns['media'],'content'));

$media_content->setAttribute('url',$med->getLink($app_root));

$media_content->setAttribute('width',$med->width);

$media_content->setAttribute('height',$med->height);

$media_content->setAttribute('fileSize',$med->file_size);

$media_content->setAttribute('type',$med->mime_type);

$media_category = $media_content->appendChild($entry->dom->createElement('media:category'));

$media_category->appendChild($entry->dom->createTextNode($med->size));

}

}

return $entry->asXml();

}