egroupware_official/resources/inc/class.bo_resources.inc.php
2005-02-15 16:26:21 +00:00

239 lines
7.4 KiB
PHP
Executable File

<?php
/**************************************************************************\
* eGroupWare - resources - Resource Management System *
* http://www.egroupware.org *
* Written by Lukas Weiss [ichLukas@gmx.net] and *
* Cornelius Weiss [nelius@gmx.net] *
* ----------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
class bo_resources
{
/*var $public_functions = array
(
'get_rows' => True
);*/
var $vfs_basedir = '/resources/';
var $pictures_dir = '/resources/pictures/';
var $thumbs_dir = '/resources/pictures/thumbs/';
function bo_resources()
{
$this->so = CreateObject('resources.so_resources');
$this->acl = CreateObject('resources.bo_acl');
$this->vfs = CreateObject('phpgwapi.vfs');
}
/*!
@function get_rows
@abstract get rows for resources list
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
*/
function get_rows($query,&$rows,&$readonlys)
{
$query['search'] = $query['search'] ? $query['search'] : '*';
$criteria = array( 'name' => $query['search'],
'short_description' => $query['search']
);
$cats = $query['filter'] ? array($query['filter'] => '') : $this->acl->get_cats(PHPGW_ACL_READ);
$rows = array( 0 => array( 'id' => '',
'name' => '',
'short_description' => '',
'useable' => '',
'bookable' => '',
'cat_id' => '',
'location' => '',
'picture_src' => ''
));
$order_by = $query['order'] ? $query['order'].' '. $query['sort'] : '';
$nr = $this->so->search($criteria,$cats,&$rows,$order_by,$offset=$query['start'],$num_rows=0);
// print_r($rows);die();
foreach($rows as $num => $resource)
{
if (!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_EDIT))
{
$readonlys["edit[$resource[id]]"] = true;
}
if (!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_DELETE))
{
$readonlys["delete[$resource[id]]"] = true;
}
if (!$resource['bookable'] /* && calender-acl viewable */)
{
$readonlys["bookable[$resource[id]]"] = true;
}
// if($resource['picture_src'] == 'own_src')
// {
$rows[$num]['picture_thumb'] = 'generic.png';
// }
}
return $nr;
}
/*!
@function read
@abstract reads a resource exept binary datas
@param int $id resource id
@return array with key => value or false if not found or allowed
*/
function read($id)
{
if(!$this->acl->is_permitted($this->so->get_value('cat_id',$id),PHPGW_ACL_READ))
{
echo lang('You are not permitted to get information about this resource!') . '<br>';
echo lang('Notify your administrator to correct this situation') . '<br>';
return false;
}
return /* all exept pictures(blobs) */$this->so->read($id);
}
/*!
@function save
@abstract saves a resource. pictures are saved in vfs
@param array $resource array with key => value of all needed datas
@return string msg if somthing went wrong
TODO make thumb an picture sizes choosable by preferences
TODO better handling for not 4:3 images
*/
function save($resource)
{
if(!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_EDIT))
{
return lang('You are not permitted to edit this reource!');
}
if(!$resource['id'])
{
$resource['id'] = $this->so->save($resource);
}
if($resource['own_file']['size']>0 && ($resource['picture_src']=='own_src' || sizeof($resource['picture_src'])<1))
{
$resource['picture_src'] = 'own_src';
// test upload dir
$vfs_data = array('string'=>$this->vfs_basedir,'relatives'=>array(RELATIVE_ROOT));
if (!($this->vfs->file_exists($vfs_data)))
{
$this->vfs->override_acl = 1;
$this->vfs->mkdir($vfs_data);
$vfs_data['string'] = $this->pictures_dir;
$this->vfs->mkdir($vfs_data);
$vfs_data['string'] = $this->thumbs_dir;
$this->vfs->mkdir($vfs_data);
$this->vfs->override_acl = 0;
}
switch($resource['own_file']['type'])
{
case 'image/gif':
$src_img = imagecreatefromgif($resource['own_file']['tmp_name']);
break;
case 'image/jpeg':
case 'image/pjpeg':
$src_img = imagecreatefromjpeg($resource['own_file']['tmp_name']);
break;
case 'image/png':
case 'image/x-png':
$src_img = imagecreatefrompng($resource['own_file']['tmp_name']);
break;
default:
return lang('Picture type is not supported, sorry!');
}
$img_size = getimagesize($resource['own_file']['tmp_name']);
$tmp_dir = $GLOBALS['phpgw_info']['server']['temp_dir'].'/';
if($img_size[0] > 64 || $img_size[1] > 48)
{
$dst_img = imagecreatetruecolor(64, 48);
imagecopyresized($dst_img,$src_img,0,0,0,0,64,48,$img_size[0],$img_size[1]);
imagejpeg($dst_img,$tmp_dir.$resource['id'].'.thumb.jpg');
if($img_size[0] > 320 || $img_size[1] > 240)
{
$dst_img = imagecreatetruecolor(320, 240);
imagecopyresized($dst_img,$src_img,0,0,0,0,320,240,$img_size[0],$img_size[1]);
imagejpeg($dst_img,$tmp_dir.$resource['id'].'.jpg');
}
else
{
imagejpeg($src_img,$tmp_dir.$resource['id'].'.jpg');
}
imagedestroy($dst_img);
}
else
{
imagejpeg($src_img,$tmp_dir.$resource['id'].'.jpg');
imagejpeg($src_img,$tmp_dir.$resource['id'].'.thumb.jpg');
}
imagedestroy($src_img);
$this->vfs->override_acl = 1;
$this->vfs->mv(array(
'from' => $tmp_dir.$resource['id'].'.jpg',
'to' => $this->pictures_dir.$resource['id'].'.jpg',
'relatives' => array(RELATIVE_NONE|VFS_REAL,RELATIVE_ROOT)
));
$this->vfs->set_attributes(array(
'string' => $this->pictures_dir.$resource['id'].'.jpg',
'relatives' => array (RELATIVE_ROOT),
'attributes' => array (
'mime_type' => 'image/jpeg',
'comment' => 'picture of resource no.'.$resource['id'],
'app' => $GLOBALS['phpgw_info']['flags']['currentapp']
)));
$this->vfs->mv(array(
'from' => $tmp_dir.$resource['id'].'.thumb.jpg',
'to' => $this->thumbs_dir.$resource['id'].'.jpg',
'relatives' => array(RELATIVE_NONE|VFS_REAL,RELATIVE_ROOT)
));
$this->vfs->set_attributes(array(
'string' => $this->thumbs_dir.$resource['id'].'.jpg',
'relatives' => array (RELATIVE_ROOT),
'attributes' => array (
'mime_type' => 'image/jpeg',
'comment' => 'thumbnail of resource no.'.$resource['id'],
'app' => $GLOBALS['phpgw_info']['flags']['currentapp']
)));
$this->vfs->override_acl = 0;
}
if($resource['picture_src'] == 'gen_src')
{
// welches bild? --> picture_src = dateiname
}
return $this->so->save($resource) ? false : lang('Something went wrong by saving resource');
}
function delete($id)
{
return $this->so->delete(array('id'=>$id)) ? false : lang('Something went wrong by saving resource');
}
function get_images($params)
{
$id = implode($params);
$picture = $this->so->get_value('picture_thumb',$id);
if($picture)
{
// $picture = GD($picture);
header('Content-type: image/png');
echo $picture;
}
header('Content-type: image/png');
echo file_get_contents(PHPGW_INCLUDE_ROOT.'/resources/templates/default/images/generic.png');
return;
}
}