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profilephoto.php
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profilephoto.php
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<?php
/**
* Profile photo class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* 0.1 2010-01-03 21:00 Autogenerated by Pluton Scaffolding
* 0.2 2010-02-02 00:52 Thumbnail ImageMagick generation code
*
* @package Zed
* @subpackage Model
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
/**
* Profile photo class
*
* This class maps the profile_photos table.
*
* It also provides helper methods to handle avatars or get all the photos
* from a specified perso.
*/
class ProfilePhoto {
public $id;
public $perso_id;
public $name;
public $description;
public $avatar;
/**
* Initializes a new instance of the ProfilePhoto class
*/
function __construct ($id = '') {
if ($id) {
$this->id = $id;
$this->load_from_database();
}
}
/**
* Loads the object photo (ie fill the properties) from the $_POST array
*
* @param bool $readBoolean if false, don't read the bool avatar field to avoid to set by error false if the field weren't in the form.
*/
function load_from_form ($readBoolean = true) {
if (array_key_exists('perso_id', $_POST)) $this->perso_id = $_POST['perso_id'];
if (array_key_exists('name', $_POST)) $this->name = $_POST['name'];
if (array_key_exists('description', $_POST)) $this->description = $_POST['description'];
if ($readBoolean) {
$this->avatar = $_POST['avatar'] ? true : false;
}
}
/**
* Loads the object photo (ie fill the properties) from the database
*/
function load_from_database () {
global $db;
$id = $db->sql_escape($this->id);
$sql = "SELECT * FROM " . TABLE_PROFILES_PHOTOS . " WHERE photo_id = '" . $id . "'";
if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query azhar_profiles_photos", '', __LINE__, __FILE__, $sql);
if (!$row = $db->sql_fetchrow($result)) {
$this->lastError = "photo unkwown: " . $this->id;
return false;
}
$this->perso_id = $row['perso_id'];
$this->name = $row['photo_name'];
$this->description = $row['photo_description'];
$this->avatar = $row['photo_avatar'];
return true;
}
/**
* Promotes the photo to avatar
*/
function promote_to_avatar () {
global $db;
//1 - locally
$sql = "UPDATE " . TABLE_PROFILES_PHOTOS . " SET photo_avatar = 0 WHERE perso_id = " . $this->perso_id;
$db->sql_query_express($sql);
$this->avatar = true;
//2 - in perso table
$perso = Perso::get($this->perso_id);
$perso->avatar = $this->name;
$perso->saveToDatabase();
}
/**
* Saves the object to the database
*/
function save_to_database () {
global $db;
//Escapes fields
$id = $this->id ? "'" . $db->sql_escape($this->id) . "'" : 'NULL';
$perso_id = $db->sql_escape($this->perso_id);
$name = $db->sql_escape($this->name);
$description = $db->sql_escape($this->description);
$avatar = $this->avatar ? 1 : 0;
//Saves
$sql = "REPLACE INTO " . TABLE_PROFILES_PHOTOS . " (`photo_id`, `perso_id`, `photo_name`, `photo_description`, `photo_avatar`) VALUES ($id, '$perso_id', '$name', '$description', $avatar)";
if (!$db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to save", '', __LINE__, __FILE__, $sql);
}
if (!$id) {
//Gets new record id value
$this->id = $db->sql_nextid();
}
}
/**
* Deletes the photo
*/
function delete () {
global $db;
//Deletes from disk
$pic_tn = PHOTOS_DIR . '/' . $this->name;
$pic_genuine = PHOTOS_DIR . '/tn/' . $this->name;
unlink($pic_tn);
unlink($pic_genuine);
//Deletes from database
$id = $db->sql_escape($this->id);
$sql = "DELETE FROM " . TABLE_PROFILES_PHOTOS . " WHERE photo_id = '$id' LIMIT 1";
if (!$db->sql_query($sql)) {
message_die(SQL_ERROR, "Can't delete photo", '', __LINE__, __FILE__, $sql);
}
}
/**
* Generates a thumbnail using ImageMagick binary
*
* @return boolean true if the thumbnail command returns 0 as program exit code ; otherwise, false
*/
function generate_thumbnail () {
global $Config;
$sourceFile = PHOTOS_DIR . DIRECTORY_SEPARATOR . $this->name;
$thumbnailFile = PHOTOS_DIR . DIRECTORY_SEPARATOR . 'tn' . DIRECTORY_SEPARATOR . $this->name;
$command = $Config['ImageMagick']['convert'] . " $sourceFile -resize 1000x80 $thumbnailFile";
@system($command, $code);
return ($code == 0);
}
/**
* Gets photos from the specified perso
*
* @param int $perso_id the perso ID
* @param bool $allowUnsafe if false, don't include not safe for work photos
*/
static function get_photos ($perso_id, $allowUnsafe = true) {
global $db;
$sql = "SELECT photo_id FROM " . TABLE_PROFILES_PHOTOS . " WHERE perso_id = " . $db->sql_escape($perso_id);
if (!$allowUnsafe) $sql .= " AND photo_safe = 0";
if (!$result = $db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to get photos", '', __LINE__, __FILE__, $sql);
}
while ($row = $db->sql_fetchrow($result)) {
$photos[] = new ProfilePhoto($row[0]);
}
return $photos;
}
/**
* Gets perso avatar
*
* @param integer $perso_id the perso to get the avatar ID
* @param string $username the username to put in title tag
*/
static function get_avatar ($perso_id, $username = '') {
global $db;
$perso_id = $db->sql_escape($perso_id);
$sql = "SELECT photo_description, photo_name FROM " . TABLE_PROFILES_PHOTOS . " WHERE perso_id = '$perso_id' and photo_avatar = 1";
if (!$result = $db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to get avatar", '', __LINE__, __FILE__, $sql);
}
if ($row = $db->sql_fetchrow($result)) {
if (!$username) $username = get_name($perso_id);
$description = $row['photo_description'] ? "$row[photo_description] ($username's avatar)" : "$username's avatar";
$url = PHOTOS_URL . '/tn/' . $row['photo_name'];
return "<img src=\"$url\" title=\"$username\" alt=\"$description\" />";
} else {
return null;
}
}
}
?>

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