gnu-social/classes/Avatar.php
2014-04-21 19:32:08 +02:00

267 lines
9.2 KiB
PHP

<?php
/**
* Table Definition for avatar
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Avatar extends Managed_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'avatar'; // table name
public $profile_id; // int(4) primary_key not_null
public $original; // tinyint(1)
public $width; // int(4) primary_key not_null
public $height; // int(4) primary_key not_null
public $mediatype; // varchar(32) not_null
public $filename; // varchar(255)
public $url; // varchar(255) unique_key
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
public static function schemaDef()
{
return array(
'fields' => array(
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'),
'original' => array('type' => 'int', 'size' => 'tiny', 'default' => 0, 'description' => 'uploaded by user or generated?'),
'width' => array('type' => 'int', 'not null' => true, 'description' => 'image width'),
'height' => array('type' => 'int', 'not null' => true, 'description' => 'image height'),
'mediatype' => array('type' => 'varchar', 'length' => 32, 'not null' => true, 'description' => 'file type'),
'filename' => array('type' => 'varchar', 'length' => 255, 'description' => 'local filename, if local'),
'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'avatar location'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
'primary key' => array('profile_id', 'width', 'height'),
'unique keys' => array(
'avatar_url_key' => array('url'),
),
'foreign keys' => array(
'avatar_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
),
'indexes' => array(
'avatar_profile_id_idx' => array('profile_id'),
),
);
}
// We clean up the file, too
function delete($useWhere=false)
{
$filename = $this->filename;
if (file_exists(Avatar::path($filename))) {
@unlink(Avatar::path($filename));
}
return parent::delete($useWhere);
}
/*
* Deletes all avatars (but may spare the original) from a profile.
*
* @param Profile $target The profile we're deleting avatars of.
* @param boolean $original Whether original should be removed or not.
*/
public static function deleteFromProfile(Profile $target, $original=true) {
try {
$avatars = self::getProfileAvatars($target);
foreach ($avatars as $avatar) {
if ($avatar->original && !$original) {
continue;
}
$avatar->delete();
}
} catch (NoAvatarException $e) {
// There are no avatars to delete, a sort of success.
}
return true;
}
static protected $_avatars = array();
/*
* Get an avatar by profile. Currently can't call newSize with $height
*/
public static function byProfile(Profile $target, $width=null, $height=null)
{
$width = intval($width);
$height = !is_null($height) ? intval($height) : null;
if (is_null($height)) {
$height = $width;
}
$size = "{$width}x{$height}";
if (!isset(self::$_avatars[$target->id])) {
self::$_avatars[$target->id] = array();
} elseif (isset(self::$_avatars[$target->id][$size])){
return self::$_avatars[$target->id][$size];
}
$avatar = null;
if (Event::handle('StartProfileGetAvatar', array($target, $width, &$avatar))) {
$avatar = self::pkeyGet(
array(
'profile_id' => $target->id,
'width' => $width,
'height' => $height,
)
);
Event::handle('EndProfileGetAvatar', array($target, $width, &$avatar));
}
if (is_null($avatar)) {
// Obviously we can't find an avatar, so let's resize the original!
$avatar = Avatar::newSize($target, $width);
} elseif (!($avatar instanceof Avatar)) {
throw new NoAvatarException($target, $avatar);
}
self::$_avatars[$target->id]["{$avatar->width}x{$avatar->height}"] = $avatar;
return $avatar;
}
public static function getUploaded(Profile $target)
{
$avatar = new Avatar();
$avatar->profile_id = $target->id;
$avatar->original = true;
if (!$avatar->find(true)) {
throw new NoAvatarException($target, $avatar);
}
if (!file_exists(Avatar::path($avatar->filename))) {
// The delete call may be odd for, say, unmounted filesystems
// that cause a file to currently not exist, but actually it does...
$avatar->delete();
throw new NoAvatarException($target, $avatar);
}
return $avatar;
}
public static function getProfileAvatars(Profile $target) {
$avatar = new Avatar();
$avatar->profile_id = $target->id;
if (!$avatar->find()) {
throw new NoAvatarException($target, $avatar);
}
return $avatar->fetchAll();
}
/**
* Where should the avatar go for this user?
*/
static function filename($id, $extension, $size=null, $extra=null)
{
if ($size) {
return $id . '-' . $size . (($extra) ? ('-' . $extra) : '') . $extension;
} else {
return $id . '-original' . (($extra) ? ('-' . $extra) : '') . $extension;
}
}
static function path($filename)
{
$dir = common_config('avatar', 'dir');
if ($dir[strlen($dir)-1] != '/') {
$dir .= '/';
}
return $dir . $filename;
}
static function url($filename)
{
$path = common_config('avatar', 'path');
if ($path[strlen($path)-1] != '/') {
$path .= '/';
}
if ($path[0] != '/') {
$path = '/'.$path;
}
$server = common_config('avatar', 'server');
if (empty($server)) {
$server = common_config('site', 'server');
}
$ssl = common_config('avatar', 'ssl');
if (is_null($ssl)) { // null -> guess
if (common_config('site', 'ssl') == 'always' &&
!common_config('avatar', 'server')) {
$ssl = true;
} else {
$ssl = false;
}
}
$protocol = ($ssl) ? 'https' : 'http';
return $protocol.'://'.$server.$path.$filename;
}
function displayUrl()
{
$server = common_config('avatar', 'server');
if ($server && !empty($this->filename)) {
return Avatar::url($this->filename);
} else {
return $this->url;
}
}
static function urlByProfile(Profile $target, $width=null, $height=null) {
try {
return self::byProfile($target, $width, $height)->displayUrl();
} catch (Exception $e) {
return self::defaultImage($width);
}
}
static function defaultImage($size)
{
static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
AVATAR_STREAM_SIZE => 'stream',
AVATAR_MINI_SIZE => 'mini');
return Theme::path('default-avatar-'.$sizenames[$size].'.png');
}
static function newSize(Profile $target, $width) {
$width = intval($width);
if ($width < 1 || $width > common_config('avatar', 'maxsize')) {
// TRANS: An error message when avatar size is unreasonable
throw new Exception(_m('Avatar size too large'));
}
$original = Avatar::getUploaded($target);
$imagefile = new ImageFile($target->id, Avatar::path($original->filename));
$filename = $imagefile->resize($width);
$scaled = clone($original);
$scaled->original = false;
$scaled->width = $width;
$scaled->height = $width;
$scaled->url = Avatar::url($filename);
$scaled->filename = $filename;
$scaled->created = common_sql_now();
if (!$scaled->insert()) {
// TRANS: An error message when unable to insert avatar data into the db
throw new Exception(_m('Could not insert new avatar data to database'));
}
// Return the new avatar object
return $scaled;
}
}