3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
22 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
25 * Table Definition for file_thumbnail
28 class File_thumbnail extends Managed_DataObject
30 public $__table = 'file_thumbnail'; // table name
31 public $file_id; // int(4) primary_key not_null
32 public $url; // varchar(255) unique_key
33 public $filename; // varchar(255)
34 public $width; // int(4) primary_key
35 public $height; // int(4) primary_key
36 public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
38 public static function schemaDef()
42 'file_id' => array('type' => 'int', 'not null' => true, 'description' => 'thumbnail for what URL/file'),
43 'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'URL of thumbnail'),
44 'filename' => array('type' => 'varchar', 'length' => 255, 'description' => 'if stored locally, filename is put here'),
45 'width' => array('type' => 'int', 'description' => 'width of thumbnail'),
46 'height' => array('type' => 'int', 'description' => 'height of thumbnail'),
47 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
49 'primary key' => array('file_id', 'width', 'height'),
51 'file_thumbnail_file_id_idx' => array('file_id'),
53 'foreign keys' => array(
54 'file_thumbnail_file_id_fkey' => array('file', array('file_id' => 'id')),
60 * Save oEmbed-provided thumbnail data
65 public static function saveNew($data, $file_id) {
66 if (!empty($data->thumbnail_url)) {
67 // Non-photo types such as video will usually
68 // show us a thumbnail, though it's not required.
69 self::saveThumbnail($file_id,
71 $data->thumbnail_width,
72 $data->thumbnail_height);
73 } else if ($data->type == 'photo') {
74 // The inline photo URL given should also fit within
75 // our requested thumbnail size, per oEmbed spec.
76 self::saveThumbnail($file_id,
84 * Save a thumbnail record for the referenced file record.
86 * FIXME: Add error handling
93 static function saveThumbnail($file_id, $url, $width, $height, $filename=null)
95 $tn = new File_thumbnail;
96 $tn->file_id = $file_id;
98 $tn->filename = $filename;
99 $tn->width = intval($width);
100 $tn->height = intval($height);
105 static function path($filename)
107 // TODO: Store thumbnails in their own directory and don't use File::path here
108 return File::path($filename);
111 public function getUrl()
113 if (!empty($this->filename)) {
114 // A locally stored file, so let's generate a URL for our instance.
115 $url = File::url($this->filename);
116 if ($url != $this->url) {
117 // For indexing purposes, in case we do a lookup on the 'url' field.
118 // also we're fixing possible changes from http to https, or paths
119 $this->updateUrl($url);
124 // No local filename available, return the URL we have stored
128 public function updateUrl($url)
130 $file = File_thumbnail::getKV('url', $url);
131 if ($file instanceof File_thumbnail) {
132 throw new ServerException('URL already exists in DB');
134 $sql = 'UPDATE %1$s SET url=%2$s WHERE url=%3$s;';
135 $result = $this->query(sprintf($sql, $this->__table,
136 $this->_quote((string)$url),
137 $this->_quote((string)$this->url)));
138 if ($result === false) {
139 common_log_db_error($this, 'UPDATE', __FILE__);
140 throw new ServerException("Could not UPDATE {$this->__table}.url");
146 public function delete($useWhere=false)
148 if (!empty($this->filename) && file_exists(File_thumbnail::path($this->filename))) {
149 $deleted = @unlink(self::path($this->filename));
151 common_log(LOG_ERR, sprintf('Could not unlink existing file: "%s"', self::path($this->filename)));
155 return parent::delete($useWhere);
158 public function getFile()
161 $file->id = $this->file_id;
162 if (!$file->find(true)) {
163 throw new NoResultException($file);