* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
-require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
+if (!defined('GNUSOCIAL')) { exit(1); }
/**
* Table Definition for file_thumbnail
class File_thumbnail extends Managed_DataObject
{
- ###START_AUTOCODE
- /* the code below is auto generated do not remove the above tag */
-
public $__table = 'file_thumbnail'; // table name
public $file_id; // int(4) primary_key not_null
- public $url; // varchar(255) unique_key
- public $width; // int(4)
- public $height; // int(4)
+ public $urlhash; // varchar(64) indexed
+ public $url; // text
+ public $filename; // text
+ public $width; // int(4) primary_key
+ public $height; // int(4) primary_key
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
- /* Static get */
- function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('File_thumbnail',$k,$v); }
-
- /* the code above is auto generated do not remove the tag below */
- ###END_AUTOCODE
+ const URLHASH_ALG = 'sha256';
public static function schemaDef()
{
return array(
'fields' => array(
'file_id' => array('type' => 'int', 'not null' => true, 'description' => 'thumbnail for what URL/file'),
- 'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'URL of thumbnail'),
+ 'urlhash' => array('type' => 'varchar', 'length' => 64, 'description' => 'sha256 of url field if non-empty'),
+ 'url' => array('type' => 'text', 'description' => 'URL of thumbnail'),
+ 'filename' => array('type' => 'text', 'description' => 'if stored locally, filename is put here'),
'width' => array('type' => 'int', 'description' => 'width of thumbnail'),
'height' => array('type' => 'int', 'description' => 'height of thumbnail'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
- 'primary key' => array('file_id'),
+ 'primary key' => array('file_id', 'width', 'height'),
+ 'indexes' => array(
+ 'file_thumbnail_file_id_idx' => array('file_id'),
+ 'file_thumbnail_urlhash_idx' => array('urlhash'),
+ ),
'foreign keys' => array(
'file_thumbnail_file_id_fkey' => array('file', array('file_id' => 'id')),
- ),
- 'unique keys' => array(
- 'file_thumbnail_url_key' => array('url'),
- ),
+ )
);
}
}
}
+ /**
+ * Fetch an entry by using a File's id
+ *
+ * @param File $file The File object we're getting a thumbnail for.
+ * @param boolean $notNullUrl Originally remote thumbnails have a URL stored, we use this to find the "original"
+ *
+ * @return File_thumbnail
+ * @throws NoResultException if no File_thumbnail matched the criteria
+ */
+ static function byFile(File $file, $notNullUrl=true) {
+ $thumb = new File_thumbnail();
+ $thumb->file_id = $file->getID();
+ if ($notNullUrl) {
+ $thumb->whereAdd('url IS NOT NULL');
+ }
+ $thumb->limit(1);
+ if (!$thumb->find(true)) {
+ throw new NoResultException($thumb);
+ }
+ return $thumb;
+ }
+
/**
* Save a thumbnail record for the referenced file record.
*
+ * FIXME: Add error handling
+ *
* @param int $file_id
* @param string $url
* @param int $width
* @param int $height
*/
- static function saveThumbnail($file_id, $url, $width, $height)
+ static function saveThumbnail($file_id, $url, $width, $height, $filename=null)
{
$tn = new File_thumbnail;
$tn->file_id = $file_id;
$tn->url = $url;
+ $tn->filename = $filename;
$tn->width = intval($width);
$tn->height = intval($height);
$tn->insert();
+ return $tn;
+ }
+
+ static function path($filename)
+ {
+ // TODO: Store thumbnails in their own directory and don't use File::path here
+ return File::path($filename);
+ }
+
+ static function url($filename)
+ {
+ // TODO: Store thumbnails in their own directory and don't use File::url here
+ return File::url($filename);
+ }
+
+ public function getPath()
+ {
+ $filepath = self::path($this->filename);
+ if (!file_exists($filepath)) {
+ throw new FileNotFoundException($filepath);
+ }
+ return $filepath;
+ }
+
+ public function getUrl()
+ {
+ if (!empty($this->filename) || $this->getFile()->isLocal()) {
+ // A locally stored File, so we can dynamically generate a URL.
+ $url = common_local_url('attachment_thumbnail', array('attachment'=>$this->file_id));
+ if (strpos($url, '?') === false) {
+ $url .= '?';
+ }
+ return $url . http_build_query(array('w'=>$this->width, 'h'=>$this->height));
+ }
+
+ // No local filename available, return the remote URL we have stored
+ return $this->url;
+ }
+
+ public function getHeight()
+ {
+ return $this->height;
+ }
+
+ public function getWidth()
+ {
+ return $this->width;
+ }
+
+ /**
+ * @throws UseFileAsThumbnailException from File_thumbnail->getUrl() for stuff like animated GIFs
+ */
+ public function getHtmlAttrs(array $orig=array(), $overwrite=true)
+ {
+ $attrs = [
+ 'height' => $this->getHeight(),
+ 'width' => $this->getWidth(),
+ 'src' => $this->getUrl(),
+ ];
+ return $overwrite ? array_merge($orig, $attrs) : array_merge($attrs, $orig);
+ }
+
+ public function delete($useWhere=false)
+ {
+ if (!empty($this->filename) && file_exists(File_thumbnail::path($this->filename))) {
+ $deleted = @unlink(self::path($this->filename));
+ if (!$deleted) {
+ common_log(LOG_ERR, sprintf('Could not unlink existing file: "%s"', self::path($this->filename)));
+ }
+ }
+
+ return parent::delete($useWhere);
+ }
+
+ public function getFile()
+ {
+ return File::getByID($this->file_id);
+ }
+
+
+ static public function hashurl($url)
+ {
+ if (!mb_strlen($url)) {
+ throw new Exception('No URL provided to hash algorithm.');
+ }
+ return hash(self::URLHASH_ALG, $url);
+ }
+
+ public function onInsert()
+ {
+ $this->setUrlhash();
+ }
+
+ public function onUpdate($dataObject=false)
+ {
+ // if we have nothing to compare with OR it has changed from previous entry
+ if (!$dataObject instanceof Managed_DataObject || $this->url !== $dataObject->url) {
+ $this->setUrlhash();
+ }
+ }
+
+ public function setUrlhash()
+ {
+ $this->urlhash = mb_strlen($this->url)>0 ? self::hashurl($this->url) : null;
}
}
projects / quix0rs-gnu-social.git / blobdiff